NetBSD Problem Report #49678

From www@NetBSD.org  Wed Feb 18 20:11:11 2015
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Date: Wed, 18 Feb 2015 20:11:10 +0000 (UTC)
From: mlh@goathill.org
Reply-To: mlh@goathill.org
To: gnats-bugs@NetBSD.org
Subject: DRM errors with i386 i915drmkms on 82915GM (eeepc 900)
X-Send-Pr-Version: www-1.0

>Number:         49678
>Category:       port-i386
>Synopsis:       DRM errors with i386 i915drmkms on 82915GM (eeepc 900)
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    riastradh
>State:          closed
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Wed Feb 18 20:15:00 +0000 2015
>Closed-Date:    Mon Apr 06 13:02:23 +0000 2015
>Last-Modified:  Mon Apr 06 13:25:01 +0000 2015
>Originator:     MLH
>Release:        7.99.5 (GENERIC) Sat Feb 14 17:41:04 EST 2015
>Organization:
>Environment:
NetBSD lokibo.goathill.org 7.99.5 NetBSD 7.99.5 (GENERIC) #1: Sat Feb 14 17:41:04 EST 2015  {}/src/sys/arch/i386/compile/GENERIC
>Description:
During startup, the LVDS display works fine until about the time
the startup messages reach "i915drmkms0".  I currently also have the VGA output connected to an external monitor. At this time, the external
monitor console display switches to a higher resolution and the
LVDS goes blank. I can start X on the external monitor but only at
low resolutions. I can't get the LVDS monitor to work after bootup.

$ xrandr
Screen 0: minimum 320 x 200, current 640 x 480, maximum 4096 x 4096
LVDS1 connected 640x480+0+0 (normal left inverted right x axis y axis) 0mm x 0mm
   640x480       72.81    75.00    59.94* 
VGA1 connected 640x480+0+0 (normal left inverted right x axis y axis) 518mm x 324mm
   1024x768      60.00  
   800x600       60.32    56.25  
   848x480       60.00  
   640x480       59.94* 
TV1 unknown connection (normal left inverted right x axis y axis)
   848x480       59.94 +
   640x480       59.94 +
   1024x768      59.94  
   800x600       59.94  


NetBSD 7.99.5 (GENERIC) #1: Sat Feb 14 17:41:04 EST 2015
        {}/src/sys/arch/i386/compile/GENERIC
total memory = 1015 MB
avail memory = 980 MB
timecounter: Timecounters tick every 10.000 msec
timecounter: Timecounter "i8254" frequency 1193182 Hz quality 100
ASUSTeK Computer INC. 900 (0802)
mainbus0 (root)
ACPI: RSDP 0x000FBE60 000014 (v00 ACPIAM)
ACPI: RSDT 0x3F780000 000034 (v01 A M I  OEMRSDT  07000807 MSFT 00000097)
ACPI: FACP 0x3F780200 000081 (v01 A M I  OEMFACP  07000807 MSFT 00000097)
ACPI: DSDT 0x3F780400 006105 (v01 A0979  A0979029 00000029 INTL 20060113)
ACPI: FACS 0x3F790000 000040
ACPI: APIC 0x3F780390 000068 (v01 A M I  OEMAPIC  07000807 MSFT 00000097)
ACPI: OEMB 0x3F790040 000046 (v01 A M I  AMI_OEM  07000807 MSFT 00000097)
ACPI: MCFG 0x3F786510 00003C (v01 A M I  OEMMCFG  07000807 MSFT 00000097)
ACPI: All ACPI Tables successfully acquired
cpu0 at mainbus0 apid 0
cpu0: Intel(R) Celeron(R) M processor          900MHz, id 0x6d8
ioapic0 at mainbus0 apid 1: pa 0xfec00000, version 0x20, 24 pins
acpi0 at mainbus0: Intel ACPICA 20140926
acpi0: X/RSDT: OemId <A M I ,OEMRSDT ,07000807>, AslId <MSFT,00000097>
acpi0: SCI interrupting at int 9
...
acpiec0 at acpi0 (EC0, PNP0C09)
: io 0x62,0x66
MCH (PNP0C01) at acpi0 not configured
attimer1 at acpi0 (TMR, PNP0100): io 0x40-0x43 irq 0
pckbc1 at acpi0 (PS2K, PNP0303) (kbd port): io 0x60,0x64 irq 1
pckbc2 at acpi0 (PS2M, SYN0A00) (aux port): irq 12
pcppi1 at acpi0 (SPKR, PNP0800): io 0x61
midi0 at pcppi1: PC speaker
sysbeep0 at pcppi1
COPR (PNP0C04) at acpi0 not configured
RMSC (PNP0C02) at acpi0 not configured
OMSC (PNP0C02) at acpi0 not configured
PCIE (PNP0C02) at acpi0 not configured
acpibat0 at acpi0 (BAT0, PNP0C0A-0): ACPI Battery
acpibat0: ASUS LION rechargeable battery
acpibat0: granularity: low->warn 0.052 Ah, warn->full 0.052 Ah
acpiacad0 at acpi0 (AC0, ACPI0003): ACPI AC Adapter
acpivga0 at acpi0 (VGA): ACPI Display Adapter
acpiout0 at acpivga0 (CRTD, 0x0100): ACPI Display Output Device
acpiout1 at acpivga0 (TVOD, 0x0200): ACPI Display Output Device
acpiout2 at acpivga0 (LCDD, 0x0400): ACPI Display Output Device
acpivga0: connected output devices:
acpivga0:   0x0100 (acpiout0): Ext. Monitor, head 0, bios detect
acpivga0:   0x0200 (acpiout1): TV, head 0, bios detect
acpivga0:   0x0400 (acpiout2): Unknown Output Device, head 0, bios detect
...
pci0 at mainbus0 bus 0: configuration mode 1
pci0: i/o space, memory space enabled, rd/line, rd/mult, wr/inv ok
pchb0 at pci0 dev 0 function 0: vendor 8086 product 2590 (rev. 0x04)
agp0 at pchb0: i915-family chipset
agp0: detected 7932k stolen memory
agp0: aperture at 0xd0000000, size 0x10000000
i915drmkms0 at pci0 dev 2 function 0: vendor 8086 product 2592 (rev. 0x04)
drm: Memory usable by graphics device = 256M
drm: Supports vblank timestamp caching Rev 2 (21.10.2013).
drm: Driver supports precise vblank timestamp query.
drm: failed to find VBIOS tables
i915drmkms0: interrupting at ioapic0 pin 16 (i915)
drm: initialized overlay support
intelfb0 at i915drmkms0
intelfb0: framebuffer at 0xda0b0000, size 1920x1200, depth 32, stride 7680
DRM error in intel_pipe_config_compare: mismatch in adjusted_mode.flags(DRM_MODE_FLAG_NHSYNC) (expected 2, found 0)
warning: /iopt/src/sys/external/bsd/drm2/dist/drm/i915/intel_display.c:9894: pipe state doesn't match!
DRM error in intel_pipe_config_compare: mismatch in adjusted_mode.flags(DRM_MODE_FLAG_PHSYNC) (expected 0, found 1)
warning: /iopt/src/sys/external/bsd/drm2/dist/drm/i915/intel_display.c:9894: pipe state doesn't match!
wsdisplay0 at intelfb0 kbdmux 1: console (default, vt100 emulation), using wskbd0
wsmux1: connecting to wsdisplay0
vendor 8086 product 2792 (miscellaneous display, revision 0x04) at pci0 dev 2 function 1 not configured
...
wsdisplay0: screen 1 added (default, vt100 emulation)
wsdisplay0: screen 2 added (default, vt100 emulation)
wsdisplay0: screen 3 added (default, vt100 emulation)
wsdisplay0: screen 4 added (default, vt100 emulation)

on X startup:

drm: GMBUS [i915 gmbus vga] timed out, falling back to bit banging on pin 2
DRM error in intel_pipe_config_compare: mismatch in adjusted_mode.flags(DRM_MODE_FLAG_PHSYNC) (expected 0, found 1)
warning: /iopt/src/sys/external/bsd/drm2/dist/drm/i915/intel_display.c:9894: pipe state doesn't match!
DRM error in intel_pipe_config_compare: mismatch in adjusted_mode.flags(DRM_MODE_FLAG_PHSYNC) (expected 0, found 1)
warning: /iopt/src/sys/external/bsd/drm2/dist/drm/i915/intel_display.c:9894: pipe state doesn't match!

$ pcictl pci0 list
000:00:0: Intel 82915PM/GM/GMS,82910GML Host Bridge (host bridge, revision 0x04)
000:02:0: Intel 82915GM/GMS,82910GML Integrated Graphics Device (VGA display, revision 0x04)
000:02:1: Intel 82915GM/GMS IGD Companion (miscellaneous display, revision 0x04)
...
>How-To-Repeat:
Boot Generic on an EEEPC 900
>Fix:

>Release-Note:

>Audit-Trail:

Responsible-Changed-From-To: port-i386-maintainer->riastradh
Responsible-Changed-By: riastradh@NetBSD.org
Responsible-Changed-When: Sat, 28 Feb 2015 15:19:01 +0000
Responsible-Changed-Why:
mine


State-Changed-From-To: open->feedback
State-Changed-By: riastradh@NetBSD.org
State-Changed-When: Sat, 28 Feb 2015 15:19:01 +0000
State-Changed-Why:
Can you please try again from HEAD?
(See https://mail-index.netbsd.org/current-users/2015/02/28/msg026783.html)


From: mlh@goathill.org (MLH)
To: gnats-bugs@NetBSD.org
Cc: 
Subject: Re: port-i386/49678 (DRM errors with i386 i915drmkms on 82915GM (eeepc
 900))
Date: Sat, 28 Feb 2015 11:17:01 -0500 (EST)

 riastradh@NetBSD.org wrote:
 > Synopsis: DRM errors with i386 i915drmkms on 82915GM (eeepc 900)
 > 
 > Responsible-Changed-From-To: port-i386-maintainer->riastradh
 > Responsible-Changed-By: riastradh@NetBSD.org
 > Responsible-Changed-When: Sat, 28 Feb 2015 15:19:01 +0000
 > Responsible-Changed-Why:
 > mine
 > 
 > 
 > State-Changed-From-To: open->feedback
 > State-Changed-By: riastradh@NetBSD.org
 > State-Changed-When: Sat, 28 Feb 2015 15:19:01 +0000
 > State-Changed-Why:
 > Can you please try again from HEAD?

 NetBSD 7.99.5 (GENERIC) #0: Sat Feb 28 08:28:33 EST 2015 GENERIC i386


 total memory = 1015 MB
 avail memory = 980 MB
 timecounter: Timecounters tick every 10.000 msec
 timecounter: Timecounter "i8254" frequency 1193182 Hz quality 100
 ASUSTeK Computer INC. 900 (0802)
 ...
 acpivga0 at acpi0 (VGA): ACPI Display Adapter
 acpiout0 at acpivga0 (CRTD, 0x0100): ACPI Display Output Device
 acpiout1 at acpivga0 (TVOD, 0x0200): ACPI Display Output Device
 acpiout2 at acpivga0 (LCDD, 0x0400): ACPI Display Output Device
 acpivga0: connected output devices:
 acpivga0:   0x0100 (acpiout0): Ext. Monitor, head 0, bios detect
 acpivga0:   0x0200 (acpiout1): TV, head 0, bios detect
 acpivga0:   0x0400 (acpiout2): Unknown Output Device, head 0, bios detect
 ...
 agp0 at pchb0: i915-family chipset
 agp0: detected 7932k stolen memory
 agp0: aperture at 0xd0000000, size 0x10000000
 i915drmkms0 at pci0 dev 2 function 0: vendor 8086 product 2592 (rev. 0x04)
 drm: Memory usable by graphics device = 256M
 drm: Supports vblank timestamp caching Rev 2 (21.10.2013).
 drm: Driver supports precise vblank timestamp query.
 drm: failed to find VBIOS tables
 i915drmkms0: interrupting at ioapic0 pin 16 (i915)
 drm: initialized overlay support
 intelfb0 at i915drmkms0
 i915drmkms0: info: registered panic notifier
 intelfb0: framebuffer at 0xda0b0000, size 1920x1200, depth 32, stride 7680
 DRM error in intel_pipe_config_compare: mismatch in adjusted_mode.flags(DRM_MODE_FLAG_NHSYNC) (expected 2, found 0)
 warning: /iopt/src/sys/external/bsd/drm2/dist/drm/i915/intel_display.c:9891: pipe state doesn't match!
 DRM error in intel_pipe_config_compare: mismatch in adjusted_mode.flags(DRM_MODE_FLAG_PHSYNC) (expected 0, found 1)
 warning: /iopt/src/sys/external/bsd/drm2/dist/drm/i915/intel_display.c:9891: pipe state doesn't match!
 wsdisplay0 at intelfb0 kbdmux 1: console (default, vt100 emulation), using wskbd0
 wsmux1: connecting to wsdisplay0

 -----------------
 LVDS screen still blanks but VGA picks up full monitor modes, which
 is a big improvement
 -----------------

 Screen 0: minimum 320 x 200, current 1920 x 1200, maximum 4096 x 4096
 LVDS1 connected 640x480+0+0 (normal left inverted right x axis y axis) 0mm x 0mm
    640x480      118.95*+  85.01    72.81    75.00    59.94  
    640x400       85.08  
    640x350       85.08  
 VGA1 connected 1920x1200+0+0 (normal left inverted right x axis y axis) 518mm x 324mm
    1920x1200     59.95*+
    1600x1200     60.00  
    1280x1024     75.02    60.02  
    1280x960      60.00  
    1152x864      75.00  
    1024x768      75.08    70.07    60.00  
    832x624       74.55  
    800x600       72.19    75.00    60.32    56.25  
    640x480       75.00    72.81    66.67    60.00  
    720x400       70.08  
 TV1 unknown connection (normal left inverted right x axis y axis)
    848x480       59.94 +
    640x480       59.94 +
    1024x768      59.94  
    800x600       59.94  

 External monitor display still gets very trashed running twm. Also,
 there is an offset to the window locations. When I move a widow to
 the far right of the screen, it yanks back to about half of the
 distance it should have moved.

 Errors: when running X:
 DRM debug in drm_framebuffer_reference: FB ID: 51
 DRM debug in drm_framebuffer_unreference: FB ID: 51
 ...
 DRM debug in drm_framebuffer_reference: FB ID: 51
 DRM debug in drm_framebuffer_unreference: FB ID: 51
 DRM debug in drm_framebuffer_reference: FB ID: 56
 DRM debug in drm_framebuffer_reference: FB ID: 56
 DRM debug in drm_calc_vbltimestamp_from_scanoutpos: crtc 0 : v 5 p(1354,353)@ 593.686347 -> 593.681571 [e 1 us, 0 rep]
 DRM debug in drm_calc_timestamping_constants: crtc 5: hwmode: htotal 800, vtotal 525, vdisplay 480
 DRM debug in drm_calc_timestamping_constants: crtc 5: clock 25200 kHz framedur 16666666 linedur 31746, pixeldur 39
 DRM debug in drm_vblank_get: enabling vblank on crtc 0, ret: -22
 DRM error in intel_pipe_config_compare: mismatch in adjusted_mode.flags(DRM_MODE_FLAG_PHSYNC) (expected 0, found 1)
 warning: /iopt/src/sys/external/bsd/drm2/dist/drm/i915/intel_display.c:9891: pipe state doesn't match!
 DRM debug in drm_framebuffer_reference: FB ID: 56
 DRM debug in drm_framebuffer_unreference: FB ID: 51
 DRM debug in drm_framebuffer_reference: FB ID: 51
 DRM debug in drm_framebuffer_unreference: FB ID: 51
 DRM debug in drm_framebuffer_unreference: FB ID: 56
 DRM debug in drm_framebuffer_reference: FB ID: 56
 DRM debug in drm_framebuffer_reference: FB ID: 56
 DRM debug in drm_framebuffer_unreference: FB ID: 56
 DRM debug in drm_framebuffer_reference: FB ID: 56
 DRM debug in drm_framebuffer_unreference: FB ID: 51
 DRM debug in drm_framebuffer_unreference: FB ID: 56
 DRM debug in drm_framebuffer_reference: FB ID: 51
 DRM debug in drm_framebuffer_unreference: FB ID: 51
 DRM debug in drm_framebuffer_reference: FB ID: 57
 DRM debug in drm_framebuffer_reference: FB ID: 57
 DRM debug in drm_framebuffer_reference: FB ID: 57
 DRM debug in drm_framebuffer_unreference: FB ID: 56
 DRM debug in drm_framebuffer_reference: FB ID: 56
 DRM debug in drm_framebuffer_unreference: FB ID: 56
 DRM debug in drm_framebuffer_unreference: FB ID: 57
 DRM debug in drm_framebuffer_reference: FB ID: 57
 DRM debug in drm_framebuffer_reference: FB ID: 57
 DRM debug in drm_framebuffer_unreference: FB ID: 57
 DRM debug in drm_framebuffer_reference: FB ID: 57
 DRM debug in drm_framebuffer_unreference: FB ID: 56
 DRM debug in drm_framebuffer_unreference: FB ID: 57
 DRM debug in __drm_framebuffer_unreference: FB ID: 0
 DRM debug in drm_framebuffer_unreference: FB ID: 0
 DRM debug in drm_framebuffer_reference: FB ID: 57
 DRM debug in drm_calc_vbltimestamp_from_scanoutpos: crtc 0 : v 5 p(23,301)@ 910.651160 -> 910.641603 [e 2 us, 0 rep]
 DRM debug in drm_calc_timestamping_constants: crtc 5: hwmode: htotal 2080, vtotal 1235, vdisplay 1200
 DRM debug in drm_calc_timestamping_constants: crtc 5: clock 154000 kHz framedur 16680519 linedur 13506, pixeldur 6
 DRM debug in drm_vblank_get: enabling vblank on crtc 0, ret: -22
 DRM error in intel_pipe_config_compare: mismatch in adjusted_mode.flags(DRM_MODE_FLAG_PHSYNC) (expected 0, found 1)
 warning: /iopt/src/sys/external/bsd/drm2/dist/drm/i915/intel_display.c:9891: pipe state doesn't match!
 DRM debug in drm_framebuffer_reference: FB ID: 57
 DRM debug in drm_framebuffer_unreference: FB ID: 57
 DRM debug in drm_framebuffer_reference: FB ID: 57
 DRM debug in drm_framebuffer_unreference: FB ID: 57
 DRM debug in drm_framebuffer_unreference: FB ID: 57

From: Taylor R Campbell <riastradh@NetBSD.org>
To: gnats-bugs@NetBSD.org
Cc: gnats-admin@netbsd.org, netbsd-bugs@netbsd.org, mlh@goathill.org
Subject: Re: port-i386/49678 (DRM errors with i386 i915drmkms on 82915GM (eeepc 900))
Date: Sat, 28 Feb 2015 18:39:16 +0000

 If the previous changes didn't fix it, this probably won't either, but
 just in case -- could you try once more from HEAD after this commit?

 https://mail-index.netbsd.org/source-changes/2015/02/28/msg063552.html

From: mlh@goathill.org (MLH)
To: gnats-bugs@NetBSD.org
Cc: 
Subject: Re: port-i386/49678 (DRM errors with i386 i915drmkms on 82915GM (eeepc
 900))
Date: Sat, 28 Feb 2015 17:25:14 -0500 (EST)

 Taylor R Campbell wrote:
 > The following reply was made to PR port-i386/49678; it has been noted by GNATS.
 > 
 >  If the previous changes didn't fix it, this probably won't either, but
 >  just in case -- could you try once more from HEAD after this commit?
 >  
 >  https://mail-index.netbsd.org/source-changes/2015/02/28/msg063552.html

 This change doesn't appear to improve the eeepc LVDS display on
 i386 i915drmkms any, however it did appear to fix the problem with
 amd64/radeondrmkms xdm crashing I posted earlier.


 NetBSD 7.99.5 (GENERIC) #1: Sat Feb 28 16:39:14 EST 2015

 cpu0 at mainbus0 apid 0
 cpu0: Intel(R) Celeron(R) M processor          900MHz, id 0x6d8
 ioapic0 at mainbus0 apid 1: pa 0xfec00000, version 0x20, 24 pins
 acpi0 at mainbus0: Intel ACPICA 20140926
 acpi0: X/RSDT: OemId <A M I ,OEMRSDT ,07000807>, AslId <MSFT,00000097>
 acpi0: SCI interrupting at int 9

 agp0 at pchb0: i915-family chipset
 agp0: detected 7932k stolen memory
 agp0: aperture at 0xd0000000, size 0x10000000
 i915drmkms0 at pci0 dev 2 function 0: vendor 8086 product 2592 (rev. 0x04)
 drm: Memory usable by graphics device = 256M
 drm: Supports vblank timestamp caching Rev 2 (21.10.2013).
 drm: Driver supports precise vblank timestamp query.
 drm: failed to find VBIOS tables
 i915drmkms0: interrupting at ioapic0 pin 16 (i915)
 drm: initialized overlay support
 intelfb0 at i915drmkms0
 i915drmkms0: info: registered panic notifier
 intelfb0: framebuffer at 0xda0b0000, size 1920x1200, depth 32, stride 7680
 DRM error in intel_pipe_config_compare: mismatch in adjusted_mode.flags(DRM_MODE_FLAG_NHSYNC) (expected 2, found 0)
 warning: /iopt/src/sys/external/bsd/drm2/dist/drm/i915/intel_display.c:9891: pipe state doesn't match!
 DRM error in intel_pipe_config_compare: mismatch in adjusted_mode.flags(DRM_MODE_FLAG_PHSYNC) (expected 0, found 1)
 warning: /iopt/src/sys/external/bsd/drm2/dist/drm/i915/intel_display.c:9891: pipe state doesn't match!
 wsdisplay0 at intelfb0 kbdmux 1: console (default, vt100 emulation), using wskbd0
 wsmux1: connecting to wsdisplay0

 DRM debug in drm_framebuffer_reference: FB ID: 56
 DRM debug in drm_framebuffer_reference: FB ID: 56
 DRM debug in drm_calc_vbltimestamp_from_scanoutpos: crtc 0 : v 5 p(119,592)@ 2968.199227 -> 2968.191231 [e 1 us, 0 rep]
 DRM debug in drm_calc_timestamping_constants: crtc 5: hwmode: htotal 800, vtotal 525, vdisplay 480
 DRM debug in drm_calc_timestamping_constants: crtc 5: clock 25200 kHz framedur 16666666 linedur 31746, pixeldur 39
 DRM debug in drm_vblank_get: enabling vblank on crtc 0, ret: -22
 DRM error in intel_pipe_config_compare: mismatch in adjusted_mode.flags(DRM_MODE_FLAG_PHSYNC) (expected 0, found 1)
 warning: /iopt/src/sys/external/bsd/drm2/dist/drm/i915/intel_display.c:9891: pipe state doesn't match!

 ...

From: David Holland <dholland-bugs@netbsd.org>
To: gnats-bugs@netbsd.org
Cc: 
Subject: Re: port-i386/49678: DRM errors with i386 i915drmkms on 82915GM
 (eeepc 900)
Date: Mon, 23 Mar 2015 07:26:56 +0000

 Not sent to gnats (use gnats-bugs@, not gnats@ to file PR comments)

    ------
 From: MLH <mlh@goathill.org
 To: NetBSD Problem Report DB Administrator <gnats@NetBSD.org>,
 Subject: Re: Reminder of 1 NetBSD Problem Report awaiting feedback
 Date: Thu, 12 Mar 2015 14:42:15 -0400 (EDT)

 NetBSD Problem Report DB Administrator wrote:
 > 
 > port-i386/49678 - serious medium priority sw-bug
 > 	DRM errors with i386 i915drmkms on 82915GM (eeepc 900)
 > 	http://gnats.NetBSD.org/cgi-bin/query-pr-single.pl?number=49678

 No progress on this up to and including 
 NetBSD 7.99.6 (GENERIC) #7: Tue Mar 10 17:04:14 EDT 2015 GENERIC i386

 The LVDS display goes black when the switch to gfx console occurs.

 xrandr:
 Screen 0: minimum 320 x 200, current 1920 x 1200, maximum 4096 x 4096
 LVDS1 connected 640x480+0+0 (normal left inverted right x axis y axis) 0mm x 0mm
    640x480      118.95*+  85.01    72.81    75.00    59.94  
    640x400       85.08  
    640x350       85.08  
 VGA1 connected 1920x1200+0+0 (normal left inverted right x axis y axis) 518mm x 324mm
    1920x1200     59.95*+
    1600x1200     60.00  
    1280x1024     75.02    60.02  
    1280x960      60.00  
    1152x864      75.00  
    1024x768      75.08    70.07    60.00  
    832x624       74.55  
    800x600       72.19    75.00    60.32    56.25  
    640x480       75.00    72.81    66.67    60.00  
    720x400       70.08  
 TV1 unknown connection (normal left inverted right x axis y axis)
    848x480       59.94 +
    640x480       59.94 +
    1024x768      59.94  
    800x600       59.94  

From: Taylor R Campbell <riastradh@NetBSD.org>
To: gnats-bugs@NetBSD.org
Cc: gnats-admin@netbsd.org, netbsd-bugs@netbsd.org, mlh@goathill.org
Subject: Re: port-i386/49678: DRM errors with i386 i915drmkms on 82915GM (eeepc 900)
Date: Mon, 23 Mar 2015 07:40:30 +0000

 This is a multi-part message in MIME format.
 --=_iiItKPkuYhG/pwpT3B7eMLAZoWanfXWP

    Date: Thu, 12 Mar 2015 14:42:15 -0400 (EDT)
    From: MLH <mlh@goathill.org>

    No progress on this up to and including 
    NetBSD 7.99.6 (GENERIC) #7: Tue Mar 10 17:04:14 EDT 2015 GENERIC i386

    The LVDS display goes black when the switch to gfx console occurs.

 If you can get xrandr output, you can presumably get dmesg output too.
 Can you apply the attached patch, and send me the dmesg output?

 --=_iiItKPkuYhG/pwpT3B7eMLAZoWanfXWP
 Content-Type: text/plain; charset="ISO-8859-1"; name="bus_space"
 Content-Transfer-Encoding: quoted-printable
 Content-Disposition: attachment; filename="bus_space.patch"

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 =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
 =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
 RCS file: /cvsroot/src/sys/arch/x86/x86/bus_space.c,v
 retrieving revision 1.38
 diff -p -u -r1.38 bus_space.c
 --- sys/arch/x86/x86/bus_space.c	27 Jan 2012 18:53:07 -0000	1.38
 +++ sys/arch/x86/x86/bus_space.c	18 Mar 2015 13:20:58 -0000
 @@ -153,6 +153,8 @@ x86_bus_space_mallocok(void)
  	ioport_malloc_safe =3D 1;
  }
 =20
 +#include <ddb/ddb.h>
 +
  int
  bus_space_map(bus_space_tag_t t, bus_addr_t bpa, bus_size_t size,
  		int flags, bus_space_handle_t *bshp)
 @@ -161,6 +163,12 @@ bus_space_map(bus_space_tag_t t, bus_add
  	bus_space_tag_t it;
  	int error;
 =20
 +	if (bpa <=3D 0xc0000 && 0xc0000 - bpa < size) {
 +		printf("%s: mapping vga rom\n", __func__);
 +		db_stack_trace_print((db_expr_t)(intptr_t)
 +		    __builtin_frame_address(0), true, 65536, "", printf);
 +	}
 +
  	if ((t->bst_exists & BUS_SPACE_OVERRIDE_MAP) =3D=3D 0)
  		;	/* skip override */
  	else for (it =3D t; it !=3D NULL; it =3D it->bst_super) {

 --=_iiItKPkuYhG/pwpT3B7eMLAZoWanfXWP--

From: mlh@goathill.org (MLH)
To: Taylor R Campbell <riastradh@NetBSD.org>
Cc: gnats-bugs@NetBSD.org
Subject: Re: port-i386/49678: DRM errors with i386 i915drmkms on 82915GM (eeepc
 900)
Date: Mon, 23 Mar 2015 13:32:40 -0400 (EDT)

 Taylor R Campbell wrote:
 >    Date: Thu, 12 Mar 2015 14:42:15 -0400 (EDT)
 >    From: MLH <mlh@goathill.org>
 > 
 >    No progress on this up to and including 
 >    NetBSD 7.99.6 (GENERIC) #7: Tue Mar 10 17:04:14 EDT 2015 GENERIC i386
 > 
 >    The LVDS display goes black when the switch to gfx console occurs.
 > 
 > If you can get xrandr output, you can presumably get dmesg output too.
 > Can you apply the attached patch, and send me the dmesg output?

 I cleaned src and xsrc, did a cvs up on both, applied the patch
 and rebuilt the entire distribution.

 The LVDS screen still goes blank, however a bright horizontal line
 appears across the display for an instant accompanied by an audible
 pop, both of which are new.


 NetBSD 7.99.7 (GENERIC) #0: Mon Mar 23 12:36:58 EDT 2015
         :/iopt/src/sys/arch/i386/compile/GENERIC
 total memory = 1015 MB
 avail memory = 980 MB
 timecounter: Timecounters tick every 10.000 msec
 timecounter: Timecounter "i8254" frequency 1193182 Hz quality 100
 ASUSTeK Computer INC. 900 (0802)
 mainbus0 (root)
 ACPI: RSDP 0x000FBE60 000014 (v00 ACPIAM)
 ACPI: RSDT 0x3F780000 000034 (v01 A M I  OEMRSDT  07000807 MSFT 00000097)
 ACPI: FACP 0x3F780200 000081 (v01 A M I  OEMFACP  07000807 MSFT 00000097)
 ACPI: DSDT 0x3F780400 006105 (v01 A0979  A0979029 00000029 INTL 20060113)
 ACPI: FACS 0x3F790000 000040
 ACPI: APIC 0x3F780390 000068 (v01 A M I  OEMAPIC  07000807 MSFT 00000097)
 ACPI: OEMB 0x3F790040 000046 (v01 A M I  AMI_OEM  07000807 MSFT 00000097)
 ACPI: MCFG 0x3F786510 00003C (v01 A M I  OEMMCFG  07000807 MSFT 00000097)
 ACPI: All ACPI Tables successfully acquired
 cpu0 at mainbus0 apid 0
 cpu0: Intel(R) Celeron(R) M processor          900MHz, id 0x6d8
 ioapic0 at mainbus0 apid 1: pa 0xfec00000, version 0x20, 24 pins
 acpi0 at mainbus0: Intel ACPICA 20140926
 acpi0: X/RSDT: OemId <A M I ,OEMRSDT ,07000807>, AslId <MSFT,00000097>
 acpi0: SCI interrupting at int 9
 timecounter: Timecounter "ACPI-Safe" frequency 3579545 Hz quality 900
 acpiec0 at acpi0 (EC0, PNP0C09)
 : io 0x62,0x66
 MCH (PNP0C01) at acpi0 not configured
 attimer1 at acpi0 (TMR, PNP0100): io 0x40-0x43 irq 0
 pckbc1 at acpi0 (PS2K, PNP0303) (kbd port): io 0x60,0x64 irq 1
 pckbc2 at acpi0 (PS2M, SYN0A00) (aux port): irq 12
 pcppi1 at acpi0 (SPKR, PNP0800): io 0x61
 midi0 at pcppi1: PC speaker
 sysbeep0 at pcppi1
 COPR (PNP0C04) at acpi0 not configured
 RMSC (PNP0C02) at acpi0 not configured
 OMSC (PNP0C02) at acpi0 not configured
 PCIE (PNP0C02) at acpi0 not configured
 acpibat0 at acpi0 (BAT0, PNP0C0A-0): ACPI Battery
 acpibat0: ASUS LION rechargeable battery
 acpibat0: granularity: low->warn 0.052 Ah, warn->full 0.052 Ah
 acpiacad0 at acpi0 (AC0, ACPI0003): ACPI AC Adapter
 acpivga0 at acpi0 (VGA): ACPI Display Adapter
 acpiout0 at acpivga0 (CRTD, 0x0100): ACPI Display Output Device
 acpiout1 at acpivga0 (TVOD, 0x0200): ACPI Display Output Device
 acpiout2 at acpivga0 (LCDD, 0x0400): ACPI Display Output Device
 acpivga0: connected output devices:
 acpivga0:   0x0100 (acpiout0): Ext. Monitor, head 0, bios detect
 acpivga0:   0x0200 (acpiout1): TV, head 0, bios detect
 acpivga0:   0x0400 (acpiout2): Unknown Output Device, head 0, bios detect
 PCIE (PNP0C02) at acpi0 not configured
 RMEM (PNP0C01) at acpi0 not configured
 asus0 at acpi0 (ATKD, ASUS010-16843008)
 acpilid0 at acpi0 (LID, PNP0C0D): ACPI Lid Switch
 acpibut0 at acpi0 (SLPB, PNP0C0E): ACPI Sleep Button
 acpibut1 at acpi0 (PWRB, PNP0C0C-170): ACPI Power Button
 acpitz0 at acpi0 (TZ00)
 acpitz0: levels: critical 90.0 C, passive cooling
 apm0 at acpi0: Power Management spec V1.2
 ACPI Exception: AE_NOT_FOUND, While evaluating Sleep State [\_S1_] (20140926/hwxface-646)
 ACPI Exception: AE_NOT_FOUND, While evaluating Sleep State [\_S2_] (20140926/hwxface-646)
 pckbd0 at pckbc1 (kbd slot)
 pckbc1: using irq 1 for kbd slot
 wskbd0 at pckbd0: console keyboard
 pms0 at pckbc1 (aux slot)
 pms0: Elantech touchpad version 2.48 (020030)
 pckbc1: using irq 12 for aux slot
 wsmouse0 at pms0 mux 0
 attimer1: attached to pcppi1
 pci0 at mainbus0 bus 0: configuration mode 1
 pci0: i/o space, memory space enabled, rd/line, rd/mult, wr/inv ok
 pchb0 at pci0 dev 0 function 0: vendor 8086 product 2590 (rev. 0x04)
 agp0 at pchb0: i915-family chipset
 agp0: detected 7932k stolen memory
 agp0: aperture at 0xd0000000, size 0x10000000
 i915drmkms0 at pci0 dev 2 function 0: vendor 8086 product 2592 (rev. 0x04)
 drm: Memory usable by graphics device = 256M
 drm: Supports vblank timestamp caching Rev 2 (21.10.2013).
 drm: Driver supports precise vblank timestamp query.
 bus_space_map: mapping vga rom
 intel_parse_bios(c248b00c,2,54,90000019,4000,0,0,c24ab7b0,c24ab7c4,c245ae00) at netbsd:intel_parse_bios+0x1758
 i915_driver_load(c248b00c,c0bf7dc0,c12a3cc0,c248b00c,c277bd28,c12a3c00,c02f8380,c248b00c,c0bf7dc0,5) at netbsd:i915_driver_load+0xbae
 drm_dev_register(c248b00c,c0bf7dc0,5,c277bd34,c277bd28,c277bd2c,c277bd34,c248b00c,24,c279ae48) at netbsd:drm_dev_register+0x7f
 drm_pci_attach(c279ae48,c12a3cc0,c248b31c,c1019e80,c0bf7dc0,c248b318,c262d460,c0bf7dc0,c12a3cc0,c1001578) at netbsd:drm_pci_attach+0x30b
 i915drmkms_attach(c278d388,c279ae48,c12a3cc0,c12a3cb8,c12a3cc0,c279ae48,c27b7af0,0,c27b7000,c12a3d08) at netbsd:i915drmkms_attach+0xc0
 config_attach_loc(c278d388,c0ffffe8,c12a3cb8,c12a3cc0,c07da774,c0961506,c27b7b5c,3000004,25928086,8086) at netbsd:config_attach_loc+0x181
 pci_probe_device(c27b7000,80001000,0,0,0,c12a3d4e,2,0,0,0) at netbsd:pci_probe_device+0x437
 pci_enumerate_bus(c27b7000,c0d589a8,0,0,10,c12a3e64,10,c27b7000,c12a3dd4,c07dba1c) at netbsd:pci_enumerate_bus+0x1a7
 pcirescan(c278d388,c0ddca7f,c0d589a8,c10bb8c4,2,4,c278d388,c1001578,c278d388,c0ddca7f) at netbsd:pcirescan+0x51
 pciattach(c2635d88,c278d388,c12a3e64,0,c12a3e64,c278d388,0,c0ddca83,c0ddca83,c12a3e20) at netbsd:pciattach+0x17d
 config_attach_loc(c2635d88,c0fff538,0,c12a3e64,c07e3c64,0,c12a3e4c,c073cbc8,c2635d88,c0dbde86) at netbsd:config_attach_loc+0x181
 config_found_ia(c2635d88,c0dbde86,c12a3e64,c07e3c64,c2633c08,0,c0dbde86,c24802b0,c2635d88,c12a3ea0) at netbsd:config_found_ia+0x36
 mp_pci_scan(c2635d88,c12a3e64,c07e3c64,0,c1012f60,c1012f60,c1012f40,c1077100,0,0) at netbsd:mp_pci_scan+0x84
 mainbus_rescan(c2635d88,c0dbde86,0,c2635d88,1,c262ddc0,c2631d5c,c0dee846,c2631d5c,c262ddc0) at netbsd:mainbus_rescan+0x23b
 mainbus_attach(0,c2635d88,0,0,c0fff520,c2635d88,0,c0dbd054,12aa000,c12a3f48) at netbsd:mainbus_attach+0xfc
 config_attach_loc(0,c0fff520,0,0,0,cb06,16800000,c12a3f5c,c0210976,c0dbd054) at netbsd:config_attach_loc+0x181
 config_rootfound(c0dbd054,0,cb06,c12a3fa0,c0b414d8,c0e1aac0,6,3,0,0) at netbsd:config_rootfound+0x4a
 cpu_configure(c0e1aac0,6,3,0,0,0,0,0,0,0) at netbsd:cpu_configure+0x2a
 main(0,0,0,0,0,0,0,0,0,0) at netbsd:main+0x2c8
 drm: failed to find VBIOS tables
 i915drmkms0: interrupting at ioapic0 pin 16 (i915)
 drm: initialized overlay support
 intelfb0 at i915drmkms0
 i915drmkms0: info: registered panic notifier
 intelfb0: framebuffer at 0xda0b0000, size 1920x1200, depth 32, stride 7680
 DRM error in intel_pipe_config_compare: mismatch in adjusted_mode.flags(DRM_MODE_FLAG_NHSYNC) (expected 2, found 0)
 warning: /iopt/src/sys/external/bsd/drm2/dist/drm/i915/intel_display.c:9891: pipe state doesn't match!
 DRM error in intel_pipe_config_compare: mismatch in adjusted_mode.flags(DRM_MODE_FLAG_PHSYNC) (expected 0, found 1)
 warning: /iopt/src/sys/external/bsd/drm2/dist/drm/i915/intel_display.c:9891: pipe state doesn't match!
 wsdisplay0 at intelfb0 kbdmux 1: console (default, vt100 emulation), using wskbd0
 wsmux1: connecting to wsdisplay0
 intelfb0: failed to register shutdown handler
 vendor 8086 product 2792 (miscellaneous display, revision 0x04) at pci0 dev 2 function 1 not configured
 hdaudio0 at pci0 dev 27 function 0: HD Audio Controller
 hdaudio0: interrupting at ioapic0 pin 16
 hdafg0 at hdaudio0: vendor 10ec product 0662
 hdafg0: DAC00 2ch: Speaker [Built-In], HP Out [Jack]
 hdafg0: ADC01 2ch: Mic In [Jack] [Built-In]
 hdafg0: 2ch/2ch 44100Hz 48000Hz 96000Hz PCM16 PCM20 PCM24 AC3
 audio0 at hdafg0: full duplex, playback, capture, mmap, independent
 ppb0 at pci0 dev 28 function 0: vendor 8086 product 2660 (rev. 0x04)
 ppb0: PCI Express capability version 1 <Root Port of PCI-E Root Complex> x1 @ 2.5GT/s
 pci1 at ppb0 bus 4
 pci1: i/o space, memory space enabled, rd/line, wr/inv ok
 ppb1 at pci0 dev 28 function 1: vendor 8086 product 2662 (rev. 0x04)
 ppb1: PCI Express capability version 1 <Root Port of PCI-E Root Complex> x1 @ 2.5GT/s
 pci2 at ppb1 bus 3
 pci2: i/o space, memory space enabled, rd/line, wr/inv ok
 ...
 kern.module.path=/stand/i386/7.99.7/modules
 uhidev1 at uhub1 port 2 configuration 1 interface 0
 uhidev1: USB USB Keykoard, rev 1.10/1.10, addr 3, iclass 3/1
 ukbd0 at uhidev1: 8 modifier keys, 6 key codes
 wskbd1 at ukbd0 mux 1
 wskbd1: connecting to wsdisplay0
 uhidev2 at uhub1 port 2 configuration 1 interface 1
 uhidev2: USB USB Keykoard, rev 1.10/1.10, addr 3, iclass 3/0
 uhidev2: 2 report ids
 uhid0 at uhidev2 reportid 1: input=2, output=0, feature=0
 uhid1 at uhidev2 reportid 2: input=1, output=0, feature=0
 wsdisplay0: screen 1 added (default, vt100 emulation)
 wsdisplay0: screen 2 added (default, vt100 emulation)
 wsdisplay0: screen 3 added (default, vt100 emulation)
 wsdisplay0: screen 4 added (default, vt100 emulation)
 acpibat0: state changed on 'charge state' to 'WARNING'


 Xrandr:

 Screen 0: minimum 320 x 200, current 1920 x 1200, maximum 4096 x 4096
 LVDS1 connected 640x480+0+0 (normal left inverted right x axis y axis) 0mm x 0mm
    640x480      118.95*+  85.01    72.81    75.00    59.94  
    640x400       85.08  
    640x350       85.08  
 VGA1 connected 1920x1200+0+0 (normal left inverted right x axis y axis) 518mm x 324mm
    1920x1200     59.95*+
    1600x1200     60.00  
    1280x1024     75.02    60.02  
    1280x960      60.00  
    1152x864      75.00  
    1024x768      75.08    70.07    60.00  
    832x624       74.55  
    800x600       72.19    75.00    60.32    56.25  
    640x480       75.00    72.81    66.67    60.00  
    720x400       70.08  
 TV1 unknown connection (normal left inverted right x axis y axis)
    848x480       59.94 +
    640x480       59.94 +
    1024x768      59.94  
    800x600       59.94  

From: Taylor R Campbell <riastradh@NetBSD.org>
To: mlh@goathill.org (MLH)
Cc: gnats-bugs@NetBSD.org
Subject: Re: port-i386/49678: DRM errors with i386 i915drmkms on 82915GM (eeepc 900)
Date: Sun, 5 Apr 2015 12:56:46 +0000

 Can you please CVS update to sys/dev/pci/agp_i810.c 1.118 and try
 again?

From: mlh@goathill.org (MLH)
To: gnats-bugs@NetBSD.org
Cc: riastradh@NetBSD.org, gnats-admin@netbsd.org, netbsd-bugs@netbsd.org, 
 mlh@goathill.org
Subject: Re: port-i386/49678: DRM errors with i386 i915drmkms on 82915GM (eeepc
 900)
Date: Sun, 5 Apr 2015 16:20:12 -0400 (EDT)

 Taylor R Campbell wrote:
 > The following reply was made to PR port-i386/49678; it has been noted by GNATS.
 > 
 > From: Taylor R Campbell <riastradh@NetBSD.org>
 > To: mlh@goathill.org (MLH)
 > Cc: gnats-bugs@NetBSD.org
 > Subject: Re: port-i386/49678: DRM errors with i386 i915drmkms on 82915GM (eeepc 900)
 > Date: Sun, 5 Apr 2015 12:56:46 +0000
 > 
 >  Can you please CVS update to sys/dev/pci/agp_i810.c 1.118 and try
 >  again?

 No change that I can see.

 NetBSD 7.99.9 (GENERIC) #0: Sun Apr  5 12:51:10 EDT 2015
         ()/i386/iopt/src/sys/arch/i386/compile/GENERIC
 total memory = 1015 MB
 avail memory = 980 MB
 timecounter: Timecounters tick every 10.000 msec
 timecounter: Timecounter "i8254" frequency 1193182 Hz quality 100
 ASUSTeK Computer INC. 900 (0802)
 mainbus0 (root)
 ACPI: RSDP 0x000FBE60 000014 (v00 ACPIAM)
 ACPI: RSDT 0x3F780000 000034 (v01 A M I  OEMRSDT  07000807 MSFT 00000097)
 ACPI: FACP 0x3F780200 000081 (v01 A M I  OEMFACP  07000807 MSFT 00000097)
 ACPI: DSDT 0x3F780400 006105 (v01 A0979  A0979029 00000029 INTL 20060113)
 ACPI: FACS 0x3F790000 000040
 ACPI: APIC 0x3F780390 000068 (v01 A M I  OEMAPIC  07000807 MSFT 00000097)
 ACPI: OEMB 0x3F790040 000046 (v01 A M I  AMI_OEM  07000807 MSFT 00000097)
 ACPI: MCFG 0x3F786510 00003C (v01 A M I  OEMMCFG  07000807 MSFT 00000097)
 ACPI: All ACPI Tables successfully acquired
 cpu0 at mainbus0 apid 0
 cpu0: Intel(R) Celeron(R) M processor          900MHz, id 0x6d8
 ioapic0 at mainbus0 apid 1: pa 0xfec00000, version 0x20, 24 pins
 acpi0 at mainbus0: Intel ACPICA 20140926
 acpi0: X/RSDT: OemId <A M I ,OEMRSDT ,07000807>, AslId <MSFT,00000097>
 acpi0: SCI interrupting at int 9
 timecounter: Timecounter "ACPI-Safe" frequency 3579545 Hz quality 900
 acpiec0 at acpi0 (EC0, PNP0C09)
 : io 0x62,0x66
 MCH (PNP0C01) at acpi0 not configured
 attimer1 at acpi0 (TMR, PNP0100): io 0x40-0x43 irq 0
 pckbc1 at acpi0 (PS2K, PNP0303) (kbd port): io 0x60,0x64 irq 1
 pckbc2 at acpi0 (PS2M, SYN0A00) (aux port): irq 12
 pcppi1 at acpi0 (SPKR, PNP0800): io 0x61
 midi0 at pcppi1: PC speaker
 sysbeep0 at pcppi1
 COPR (PNP0C04) at acpi0 not configured
 RMSC (PNP0C02) at acpi0 not configured
 OMSC (PNP0C02) at acpi0 not configured
 PCIE (PNP0C02) at acpi0 not configured
 acpibat0 at acpi0 (BAT0, PNP0C0A-0): ACPI Battery
 acpibat0: ASUS LION rechargeable battery
 acpibat0: granularity: low->warn 0.052 Ah, warn->full 0.052 Ah
 acpiacad0 at acpi0 (AC0, ACPI0003): ACPI AC Adapter
 acpivga0 at acpi0 (VGA): ACPI Display Adapter
 acpiout0 at acpivga0 (CRTD, 0x0100): ACPI Display Output Device
 acpiout1 at acpivga0 (TVOD, 0x0200): ACPI Display Output Device
 acpiout2 at acpivga0 (LCDD, 0x0400): ACPI Display Output Device
 acpivga0: connected output devices:
 acpivga0:   0x0100 (acpiout0): Ext. Monitor, head 0, bios detect
 acpivga0:   0x0200 (acpiout1): TV, head 0, bios detect
 acpivga0:   0x0400 (acpiout2): Unknown Output Device, head 0, bios detect
 PCIE (PNP0C02) at acpi0 not configured
 RMEM (PNP0C01) at acpi0 not configured
 asus0 at acpi0 (ATKD, ASUS010-16843008)
 acpilid0 at acpi0 (LID, PNP0C0D): ACPI Lid Switch
 acpibut0 at acpi0 (SLPB, PNP0C0E): ACPI Sleep Button
 acpibut1 at acpi0 (PWRB, PNP0C0C-170): ACPI Power Button
 acpitz0 at acpi0 (TZ00)
 acpitz0: levels: critical 90.0 C, passive cooling
 apm0 at acpi0: Power Management spec V1.2
 ACPI Exception: AE_NOT_FOUND, While evaluating Sleep State [\_S1_] (20140926/hwxface-646)
 ACPI Exception: AE_NOT_FOUND, While evaluating Sleep State [\_S2_] (20140926/hwxface-646)
 pckbd0 at pckbc1 (kbd slot)
 pckbc1: using irq 1 for kbd slot
 wskbd0 at pckbd0: console keyboard
 pms0 at pckbc1 (aux slot)
 pms0: Elantech touchpad version 2.48 (020030)
 pckbc1: using irq 12 for aux slot
 wsmouse0 at pms0 mux 0
 attimer1: attached to pcppi1
 pci0 at mainbus0 bus 0: configuration mode 1
 pci0: i/o space, memory space enabled, rd/line, rd/mult, wr/inv ok
 pchb0 at pci0 dev 0 function 0: vendor 8086 product 2590 (rev. 0x04)
 agp0 at pchb0: i915-family chipset
 agp0: detected 7932k stolen memory
 agp0: aperture at 0xd0000000, size 0x10000000
 i915drmkms0 at pci0 dev 2 function 0: vendor 8086 product 2592 (rev. 0x04)
 drm: Memory usable by graphics device = 256M
 drm: Supports vblank timestamp caching Rev 2 (21.10.2013).
 drm: Driver supports precise vblank timestamp query.
 bus_space_map: mapping vga rom
 intel_parse_bios(c249000c,2,54,90000019,4000,0,0,c24b07b0,c24b07c4,c245fe00) at netbsd:intel_parse_bios+0x1758
 i915_driver_load(c249000c,c0bfc100,c12a8cc0,c249000c,c2779cb8,c12a8c00,c02f82f0,c249000c,c0bfc100,5) at netbsd:i915_driver_load+0xc25
 drm_dev_register(c249000c,c0bfc100,5,c2779cc4,c2779cb8,c2779cbc,c2779cc4,c249000c,24,c279fe48) at netbsd:drm_dev_register+0x7f
 drm_pci_attach(c279fe48,c12a8cc0,c249031c,c101ee80,c0bfc100,c2490318,c2632460,c0bfc100,c12a8cc0,c1006578) at netbsd:drm_pci_attach+0x30b
 i915drmkms_attach(c2792388,c279fe48,c12a8cc0,c12a8cb8,c12a8cc0,c279fe48,c27bcaf0,0,c27bc000,c12a8d08) at netbsd:i915drmkms_attach+0xc0
 config_attach_loc(c2792388,c1004fe8,c12a8cb8,c12a8cc0,c07ddf64,c0965126,c27bcb5c,3000004,25928086,8086) at netbsd:config_attach_loc+0x181
 pci_probe_device(c27bc000,80001000,0,0,0,c12a8d4e,2,0,0,0) at netbsd:pci_probe_device+0x437
 pci_enumerate_bus(c27bc000,c0d5cd48,0,0,10,c12a8e64,10,c27bc000,c12a8dd4,c07df20c) at netbsd:pci_enumerate_bus+0x1a7
 pcirescan(c2792388,c0de0e1f,c0d5cd48,c10c0904,2,4,c2792388,c1006578,c2792388,c0de0e1f) at netbsd:pcirescan+0x51
 pciattach(c263ad88,c2792388,c12a8e64,0,c12a8e64,c2792388,0,c0de0e23,c0de0e23,c12a8e20) at netbsd:pciattach+0x17d
 config_attach_loc(c263ad88,c1004568,0,c12a8e64,c07e7454,0,c12a8e4c,c07404e8,c263ad88,c0dc2226) at netbsd:config_attach_loc+0x181
 config_found_ia(c263ad88,c0dc2226,c12a8e64,c07e7454,c2638c08,0,c0dc2226,c24852b0,c263ad88,c12a8ea0) at netbsd:config_found_ia+0x36
 mp_pci_scan(c263ad88,c12a8e64,c07e7454,0,c1017f60,c1017f60,c1017f40,c107c120,0,0) at netbsd:mp_pci_scan+0x84
 mainbus_rescan(c263ad88,c0dc2226,0,c263ad88,1,c2632dc0,c2636d5c,c0df2cda,c2636d5c,c2632dc0) at netbsd:mainbus_rescan+0x23b
 mainbus_attach(0,c263ad88,0,0,c1004550,c263ad88,0,c0dc13fa,12af000,c12a8f48) at netbsd:mainbus_attach+0xfc
 config_attach_loc(0,c1004550,0,0,0,cb06,16800000,c12a8f5c,c0210976,c0dc13fa) at netbsd:config_attach_loc+0x181
 config_rootfound(c0dc13fa,0,cb06,c12a8fa0,c0b457f8,c0e1f08c,6,3,0,0) at netbsd:config_rootfound+0x4a
 cpu_configure(c0e1f08c,6,3,0,0,0,0,0,0,0) at netbsd:cpu_configure+0x2a
 main(0,0,0,0,0,0,0,0,0,0) at netbsd:main+0x2c8
 drm: failed to find VBIOS tables
 i915drmkms0: interrupting at ioapic0 pin 16 (i915)
 drm: initialized overlay support
 intelfb0 at i915drmkms0
 i915drmkms0: info: registered panic notifier
 intelfb0: framebuffer at 0xda0b0000, size 1920x1200, depth 32, stride 7680
 DRM error in intel_pipe_config_compare: mismatch in adjusted_mode.flags(DRM_MODE_FLAG_NHSYNC) (expected 2, found 0)
 warning: /iopt/src/sys/external/bsd/drm2/dist/drm/i915/intel_display.c:9891: pipe state doesn't match!
 DRM error in intel_pipe_config_compare: mismatch in adjusted_mode.flags(DRM_MODE_FLAG_PHSYNC) (expected 0, found 1)
 warning: /iopt/src/sys/external/bsd/drm2/dist/drm/i915/intel_display.c:9891: pipe state doesn't match!
 wsdisplay0 at intelfb0 kbdmux 1: console (default, vt100 emulation), using wskbd0
 wsmux1: connecting to wsdisplay0
 vendor 8086 product 2792 (miscellaneous display, revision 0x04) at pci0 dev 2 function 1 not configured
 hdaudio0 at pci0 dev 27 function 0: HD Audio Controller
 hdaudio0: interrupting at ioapic0 pin 16
 hdafg0 at hdaudio0: vendor 10ec product 0662
 hdafg0: DAC00 2ch: Speaker [Built-In], HP Out [Jack]
 hdafg0: ADC01 2ch: Mic In [Jack] [Built-In]
 hdafg0: 2ch/2ch 44100Hz 48000Hz 96000Hz PCM16 PCM20 PCM24 AC3
 audio0 at hdafg0: full duplex, playback, capture, mmap, independent
 ppb0 at pci0 dev 28 function 0: vendor 8086 product 2660 (rev. 0x04)
 ppb0: PCI Express capability version 1 <Root Port of PCI-E Root Complex> x1 @ 2.5GT/s
 pci1 at ppb0 bus 4
 pci1: i/o space, memory space enabled, rd/line, wr/inv ok
 ppb1 at pci0 dev 28 function 1: vendor 8086 product 2662 (rev. 0x04)
 ppb1: PCI Express capability version 1 <Root Port of PCI-E Root Complex> x1 @ 2.5GT/s
 pci2 at ppb1 bus 3
 pci2: i/o space, memory space enabled, rd/line, wr/inv ok
 lii0 at pci2 dev 0 function 0: Attansic/Atheros L2 Fast Ethernet
 lii0: Ethernet address 00:22:15:60:9b:80
 lii0: interrupting at ioapic0 pin 17
 atphy0 at lii0 phy 1: L2 10/100 PHY, rev. 2
 atphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
 ppb2 at pci0 dev 28 function 2: vendor 8086 product 2664 (rev. 0x04)
 ppb2: PCI Express capability version 1 <Root Port of PCI-E Root Complex> x1 @ 2.5GT/s
 pci3 at ppb2 bus 1
 pci3: i/o space, memory space enabled, rd/line, wr/inv ok
 ...
 kern.module.path=/stand/i386/7.99.9/modules
 uhidev1 at uhub1 port 2 configuration 1 interface 0
 uhidev1: USB USB Keykoard, rev 1.10/1.10, addr 3, iclass 3/1
 ukbd0 at uhidev1: 8 modifier keys, 6 key codes
 wskbd1 at ukbd0 mux 1
 wskbd1: connecting to wsdisplay0
 uhidev2 at uhub1 port 2 configuration 1 interface 1
 uhidev2: USB USB Keykoard, rev 1.10/1.10, addr 3, iclass 3/0
 uhidev2: 2 report ids
 uhid0 at uhidev2 reportid 1: input=2, output=0, feature=0
 uhid1 at uhidev2 reportid 2: input=1, output=0, feature=0
 wsdisplay0: screen 1 added (default, vt100 emulation)
 wsdisplay0: screen 2 added (default, vt100 emulation)
 wsdisplay0: screen 3 added (default, vt100 emulation)
 wsdisplay0: screen 4 added (default, vt100 emulation)
 acpibat0: state changed on 'charge state' to 'LOW'
 DRM debug in drm_framebuffer_reference: FB ID: 51
 DRM debug in drm_framebuffer_unreference: FB ID: 51
 DRM debug in drm_framebuffer_reference: FB ID: 51
 DRM debug in drm_framebuffer_unreference: FB ID: 51
 DRM debug in drm_framebuffer_reference: FB ID: 51
 DRM debug in drm_framebuffer_unreference: FB ID: 51
 DRM debug in drm_framebuffer_reference: FB ID: 51
 DRM debug in drm_framebuffer_unreference: FB ID: 51
 DRM debug in drm_framebuffer_reference: FB ID: 51
 DRM debug in drm_framebuffer_unreference: FB ID: 51
 DRM debug in drm_framebuffer_reference: FB ID: 51
 DRM debug in drm_framebuffer_unreference: FB ID: 51
 DRM debug in drm_framebuffer_reference: FB ID: 51
 DRM debug in drm_framebuffer_unreference: FB ID: 51
 DRM debug in drm_framebuffer_reference: FB ID: 51
 DRM debug in drm_framebuffer_unreference: FB ID: 51
 DRM debug in drm_framebuffer_reference: FB ID: 51
 DRM debug in drm_framebuffer_unreference: FB ID: 51
 DRM debug in drm_framebuffer_reference: FB ID: 51
 DRM debug in drm_framebuffer_unreference: FB ID: 51
 DRM debug in drm_framebuffer_reference: FB ID: 51
 DRM debug in drm_framebuffer_unreference: FB ID: 51
 DRM debug in drm_framebuffer_reference: FB ID: 51
 DRM debug in drm_framebuffer_unreference: FB ID: 51
 DRM debug in drm_framebuffer_reference: FB ID: 56
 DRM debug in drm_framebuffer_reference: FB ID: 56
 DRM debug in drm_calc_vbltimestamp_from_scanoutpos: crtc 0 : v 5 p(701,254)@ 1396.670388 -> 1396.666953 [e 1 us, 0 rep]
 DRM debug in drm_calc_timestamping_constants: crtc 5: hwmode: htotal 800, vtotal 525, vdisplay 480
 DRM debug in drm_calc_timestamping_constants: crtc 5: clock 25200 kHz framedur 16666666 linedur 31746, pixeldur 39
 DRM debug in drm_vblank_get: enabling vblank on crtc 0, ret: -22
 DRM error in intel_pipe_config_compare: mismatch in adjusted_mode.flags(DRM_MODE_FLAG_PHSYNC) (expected 0, found 1)
 warning: /iopt/src/sys/external/bsd/drm2/dist/drm/i915/intel_display.c:9891: pipe state doesn't match!
 DRM debug in drm_framebuffer_reference: FB ID: 56
 DRM debug in drm_framebuffer_unreference: FB ID: 51
 DRM debug in drm_framebuffer_reference: FB ID: 51
 DRM debug in drm_framebuffer_unreference: FB ID: 51
 DRM debug in drm_framebuffer_unreference: FB ID: 56
 DRM debug in drm_framebuffer_reference: FB ID: 56
 DRM debug in drm_framebuffer_reference: FB ID: 56
 DRM debug in drm_framebuffer_unreference: FB ID: 56
 DRM debug in drm_framebuffer_reference: FB ID: 56
 DRM debug in drm_framebuffer_unreference: FB ID: 51
 DRM debug in drm_framebuffer_unreference: FB ID: 56
 DRM debug in drm_framebuffer_reference: FB ID: 51
 DRM debug in drm_framebuffer_unreference: FB ID: 51
 DRM debug in drm_framebuffer_reference: FB ID: 57
 DRM debug in drm_framebuffer_reference: FB ID: 57
 DRM debug in drm_framebuffer_reference: FB ID: 57
 DRM debug in drm_framebuffer_unreference: FB ID: 56
 DRM debug in drm_framebuffer_reference: FB ID: 56
 DRM debug in drm_framebuffer_unreference: FB ID: 56
 DRM debug in drm_framebuffer_unreference: FB ID: 57
 DRM debug in drm_framebuffer_reference: FB ID: 57
 DRM debug in drm_framebuffer_reference: FB ID: 57
 DRM debug in drm_framebuffer_unreference: FB ID: 57
 DRM debug in drm_framebuffer_reference: FB ID: 57
 DRM debug in drm_framebuffer_unreference: FB ID: 56
 DRM debug in drm_framebuffer_unreference: FB ID: 57
 DRM debug in __drm_framebuffer_unreference: FB ID: 0
 DRM debug in drm_framebuffer_unreference: FB ID: 0
 DRM debug in drm_framebuffer_reference: FB ID: 57
 DRM debug in drm_calc_vbltimestamp_from_scanoutpos: crtc 0 : v 5 p(743,281)@ 1675.932084 -> 1675.923135 [e 2 us, 0 rep]
 DRM debug in drm_calc_timestamping_constants: crtc 5: hwmode: htotal 2080, vtotal 1235, vdisplay 1200
 DRM debug in drm_calc_timestamping_constants: crtc 5: clock 154000 kHz framedur 16680519 linedur 13506, pixeldur 6
 DRM debug in drm_vblank_get: enabling vblank on crtc 0, ret: -22
 DRM error in intel_pipe_config_compare: mismatch in adjusted_mode.flags(DRM_MODE_FLAG_PHSYNC) (expected 0, found 1)
 warning: /iopt/src/sys/external/bsd/drm2/dist/drm/i915/intel_display.c:9891: pipe state doesn't match!
 DRM debug in drm_framebuffer_reference: FB ID: 57
 DRM debug in drm_framebuffer_unreference: FB ID: 57
 DRM debug in drm_framebuffer_reference: FB ID: 57
 DRM debug in drm_framebuffer_unreference: FB ID: 57
 DRM debug in drm_framebuffer_unreference: FB ID: 57

 Screen 0: minimum 320 x 200, current 1920 x 1200, maximum 4096 x 4096
 LVDS1 connected 640x480+0+0 (normal left inverted right x axis y axis) 0mm x 0mm
    640x480      118.95*+  85.01    72.81    75.00    59.94  
    640x400       85.08  
    640x350       85.08  
 VGA1 connected 1920x1200+0+0 (normal left inverted right x axis y axis) 518mm x 324mm
    1920x1200     59.95*+
    1600x1200     60.00  
    1280x1024     75.02    60.02  
    1280x960      60.00  
    1152x864      75.00  
    1024x768      75.08    70.07    60.00  
    832x624       74.55  
    800x600       72.19    75.00    60.32    56.25  
    640x480       75.00    72.81    66.67    60.00  
    720x400       70.08  
 TV1 unknown connection (normal left inverted right x axis y axis)
    848x480       59.94 +
    640x480       59.94 +
    1024x768      59.94  

From: Taylor R Campbell <riastradh@NetBSD.org>
To: mlh@goathill.org (MLH)
Cc: gnats-bugs@NetBSD.org, gnats-admin@netbsd.org, netbsd-bugs@netbsd.org,
	mlh@goathill.org
Subject: Re: port-i386/49678: DRM errors with i386 i915drmkms on 82915GM (eeepc 900)
Date: Sun, 5 Apr 2015 21:45:00 +0000

 This is a multi-part message in MIME format.
 --=_119vVBc/1Z6lXS2SVLFhP1c+Ic8tZqKu

    Date: Sun, 5 Apr 2015 16:20:12 -0400 (EDT)
    From: mlh@goathill.org (MLH)

    Taylor R Campbell wrote:
    >  Can you please CVS update to sys/dev/pci/agp_i810.c 1.118 and try
    >  again?

    No change that I can see.

 In that case, can you try the attached patch and send me the dmesg
 output?  You can revert the earlier one changing bus_space_map.

 --=_119vVBc/1Z6lXS2SVLFhP1c+Ic8tZqKu
 Content-Type: text/plain; charset="ISO-8859-1"; name="debug-vbios"
 Content-Transfer-Encoding: quoted-printable
 Content-Disposition: attachment; filename="debug-vbios.patch"

 Index: sys/external/bsd/drm2/include/linux/pci.h
 =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
 =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
 =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
 RCS file: /cvsroot/src/sys/external/bsd/drm2/include/linux/pci.h,v
 retrieving revision 1.15
 diff -p -u -r1.15 pci.h
 --- sys/external/bsd/drm2/include/linux/pci.h	6 Mar 2015 01:43:07 -0000	1.15
 +++ sys/external/bsd/drm2/include/linux/pci.h	5 Apr 2015 21:44:22 -0000
 @@ -481,15 +481,21 @@ pci_map_rom_md(struct pci_dev *pdev)
  	bus_space_handle_t rom_bsh;
  	int error;
 =20
 -	if (PCI_CLASS(pdev->pd_pa.pa_class) !=3D PCI_CLASS_DISPLAY)
 +	if (PCI_CLASS(pdev->pd_pa.pa_class) !=3D PCI_CLASS_DISPLAY) {
 +		printf("pci_map_rom_md: not display class\n");
  		return ENXIO;
 -	if (PCI_SUBCLASS(pdev->pd_pa.pa_class) !=3D PCI_SUBCLASS_DISPLAY_VGA)
 +	}
 +	if (PCI_SUBCLASS(pdev->pd_pa.pa_class) !=3D PCI_SUBCLASS_DISPLAY_VGA) {
 +		printf("pci_map_rom_md: display class, not VGA subclass\n");
  		return ENXIO;
 +	}
  	/* XXX Check whether this is the primary VGA card?  */
  	error =3D bus_space_map(pdev->pd_pa.pa_memt, rom_base, rom_size,
  	    (BUS_SPACE_MAP_LINEAR | BUS_SPACE_MAP_PREFETCHABLE), &rom_bsh);
 -	if (error)
 +	if (error) {
 +		printf("pci_map_rom_md: failed to map 0x20000 @ 0xc0000\n");
  		return ENXIO;
 +	}
 =20
  	pdev->pd_rom_bst =3D pdev->pd_pa.pa_memt;
  	pdev->pd_rom_bsh =3D rom_bsh;
 @@ -513,13 +519,17 @@ pci_map_rom(struct pci_dev *pdev, size_t
  		(BUS_SPACE_MAP_PREFETCHABLE | BUS_SPACE_MAP_LINEAR),
  		&pdev->pd_rom_bst, &pdev->pd_rom_bsh, NULL, &pdev->pd_rom_size)
  	    !=3D 0 &&
 -	    pci_map_rom_md(pdev) !=3D 0)
 +	    pci_map_rom_md(pdev) !=3D 0) {
 +		printf("pci_map_rom: failed to map ROM BAR\n");
 +		printf("pci_map_rom: failed to map MD ROM\n");
  		return NULL;
 +	}
  	pdev->pd_kludges |=3D NBPCI_KLUDGE_MAP_ROM;
 =20
  	/* XXX This type is obviously wrong in general...  */
  	if (pci_find_rom(&pdev->pd_pa, pdev->pd_rom_bst, pdev->pd_rom_bsh,
  		pdev->pd_rom_size, PCI_ROM_CODE_TYPE_X86, &bsh, &size)) {
 +		printf("pci_map_rom: failed to find ROM\n");
  		pci_unmap_rom(pdev, NULL);
  		return NULL;
  	}
 Index: sys/kern/subr_extent.c
 =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
 =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
 =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
 RCS file: /cvsroot/src/sys/kern/subr_extent.c,v
 retrieving revision 1.76
 diff -p -u -r1.76 subr_extent.c
 --- sys/kern/subr_extent.c	10 Jul 2014 21:13:52 -0000	1.76
 +++ sys/kern/subr_extent.c	5 Apr 2015 21:44:22 -0000
 @@ -600,6 +600,7 @@ extent_alloc_region(struct extent *ex, u
   * The allocated region is aligned to "alignment", which must be
   * a power of 2.
   */
 +#include <ddb/ddb.h>
  int
  extent_alloc_subregion1(struct extent *ex, u_long substart, u_long subend,
      u_long size, u_long alignment, u_long skew, u_long boundary,
 @@ -968,6 +969,12 @@ skip:
  	 */
  	extent_insert_and_optimize(ex, newstart, size, flags, last, myrp);
  	mutex_exit(&ex->ex_lock);
 +	if (newstart <=3D 0xc0000 && 0xc0000 - newstart < size) {
 +		printf("%s: extent allocing vga rom: [%lu, %lu)",
 +		    __func__, newstart, newstart + size);
 +		db_stack_trace_print((db_expr_t)(intptr_t)
 +		    __builtin_frame_address(0), true, 65536, "", printf);
 +	}
  	*result =3D newstart;
  	return (0);
  }

 --=_119vVBc/1Z6lXS2SVLFhP1c+Ic8tZqKu--

From: mlh@goathill.org (MLH)
To: Taylor R Campbell <riastradh@NetBSD.org>
Cc: MLH <mlh@goathill.org>, gnats-bugs@NetBSD.org, gnats-admin@netbsd.org, 
 netbsd-bugs@netbsd.org
Subject: Re: port-i386/49678: DRM errors with i386 i915drmkms on 82915GM (eeepc
 900)
Date: Sun, 5 Apr 2015 21:05:47 -0400 (EDT)

 Taylor R Campbell wrote:
 >    Date: Sun, 5 Apr 2015 16:20:12 -0400 (EDT)
 >    From: mlh@goathill.org (MLH)
 > 
 >    Taylor R Campbell wrote:
 >    >  Can you please CVS update to sys/dev/pci/agp_i810.c 1.118 and try
 >    >  again?
 > 
 >    No change that I can see.
 > 
 > In that case, can you try the attached patch and send me the dmesg
 > output?  You can revert the earlier one changing bus_space_map.

 No visible change

 NetBSD 7.99.9 (GENERIC) #0: Sun Apr  5 20:50:18 EDT 2015
  ()src/sys/arch/i386/compile/GENERIC
 ...
 pchb0 at pci0 dev 0 function 0: vendor 8086 product 2590 (rev. 0x04)
 agp0 at pchb0: i915-family chipset
 agp0: detected 7932k stolen memory
 agp0: aperture at 0xd0000000, size 0x10000000
 i915drmkms0 at pci0 dev 2 function 0: vendor 8086 product 2592 (rev. 0x04)
 drm: Memory usable by graphics device = 256M
 extent_alloc_subregion1: extent allocing vga rom: [786432, 802816)extent_alloc_subregion(c1095980,0,ffffffff,4000,4000,0,12,c12a9a2c,cf8,0) at netbsd:extent_alloc_subregion+0x4a
 bus_space_reserve_subregion(c1018f40,0,ffffffff,4000,4000,0,0,c12a9a70,c1018f40,c12a9a84) at netbsd:bus_space_reserve_subregion+0xa1
 bus_space_alloc(c1018f40,0,ffffffff,4000,4000,0,0,c24b17b0,c24b17c4,c2460e00) at netbsd:bus_space_alloc+0x5a
 i915_driver_load(c249100c,c0bfc200,c12a9cc0,c249100c,c277acb8,c12a9c00,c02f8290,c249100c,c0bfc200,5) at netbsd:i915_driver_load+0xd5c
 drm_dev_register(c249100c,c0bfc200,5,c277acc4,c277acb8,c277acbc,c277acc4,c249100c,24,c27a0e48) at netbsd:drm_dev_register+0x7f
 drm_pci_attach(c27a0e48,c12a9cc0,c249131c,c101fe80,c0bfc200,c2491318,c2633460,c0bfc200,c12a9cc0,c1007578) at netbsd:drm_pci_attach+0x30b
 i915drmkms_attach(c2793388,c27a0e48,c12a9cc0,c12a9cb8,c12a9cc0,c27a0e48,c27bdaf0,0,c27bd000,c12a9d08) at netbsd:i915drmkms_attach+0xc0
 config_attach_loc(c2793388,c1005fe8,c12a9cb8,c12a9cc0,c07ddf54,c0965176,c27bdb5c,3000004,25928086,8086) at netbsd:config_attach_loc+0x181
 pci_probe_device(c27bd000,80001000,0,0,0,c12a9d4e,2,0,0,0) at netbsd:pci_probe_device+0x437
 pci_enumerate_bus(c27bd000,c0d5ce48,0,0,10,c12a9e64,10,c27bd000,c12a9dd4,c07df1fc) at netbsd:pci_enumerate_bus+0x1a7
 pcirescan(c2793388,c0de0f2b,c0d5ce48,c10c1904,2,4,c2793388,c1007578,c2793388,c0de0f2b) at netbsd:pcirescan+0x51
 pciattach(c263bd88,c2793388,c12a9e64,0,c12a9e64,c2793388,0,c0de0f2f,c0de0f2f,c12a9e20) at netbsd:pciattach+0x17d
 config_attach_loc(c263bd88,c1005568,0,c12a9e64,c07e7444,0,c12a9e4c,c07404d8,c263bd88,c0dc2346) at netbsd:config_attach_loc+0x181
 config_found_ia(c263bd88,c0dc2346,c12a9e64,c07e7444,c2639c08,0,c0dc2346,c24862b0,c263bd88,c12a9ea0) at netbsd:config_found_ia+0x36
 mp_pci_scan(c263bd88,c12a9e64,c07e7444,0,c1018f60,c1018f60,c1018f40,c107d120,0,0) at netbsd:mp_pci_scan+0x84
 mainbus_rescan(c263bd88,c0dc2346,0,c263bd88,1,c2633dc0,c2637d5c,c0df2de6,c2637d5c,c2633dc0) at netbsd:mainbus_rescan+0x23b
 mainbus_attach(0,c263bd88,0,0,c1005550,c263bd88,0,c0dc151a,12b0000,c12a9f48) at netbsd:mainbus_attach+0xfc
 config_attach_loc(0,c1005550,0,0,0,cb06,16800000,c12a9f5c,c0210976,c0dc151a) at netbsd:config_attach_loc+0x181
 config_rootfound(c0dc151a,0,cb06,c12a9fa0,c0b458a8,c0e1f198,6,3,0,0) at netbsd:config_rootfound+0x4a
 cpu_configure(c0e1f198,6,3,0,0,0,0,0,0,0) at netbsd:cpu_configure+0x2a
 main(0,0,0,0,0,0,0,0,0,0) at netbsd:main+0x2c8
 drm: Supports vblank timestamp caching Rev 2 (21.10.2013).
 drm: Driver supports precise vblank timestamp query.
 pci_map_rom_md: failed to map 0x20000 @ 0xc0000
 pci_map_rom: failed to map ROM BAR
 pci_map_rom: failed to map MD ROM
 drm: failed to find VBIOS tables
 i915drmkms0: interrupting at ioapic0 pin 16 (i915)
 drm: initialized overlay support
 intelfb0 at i915drmkms0
 i915drmkms0: info: registered panic notifier
 intelfb0: framebuffer at 0xda0b0000, size 1920x1200, depth 32, stride 7680
 DRM error in intel_pipe_config_compare: mismatch in adjusted_mode.flags(DRM_MODE_FLAG_NHSYNC) (expected 2, found 0)
 warning: /iopt/src/sys/external/bsd/drm2/dist/drm/i915/intel_display.c:9891: pipe state doesn't match!
 DRM error in intel_pipe_config_compare: mismatch in adjusted_mode.flags(DRM_MODE_FLAG_PHSYNC) (expected 0, found 1)
 warning: /iopt/src/sys/external/bsd/drm2/dist/drm/i915/intel_display.c:9891: pipe state doesn't match!
 wsdisplay0 at intelfb0 kbdmux 1: console (default, vt100 emulation), using wskbd0
 wsmux1: connecting to wsdisplay0
 ...

From: Taylor R Campbell <riastradh@NetBSD.org>
To: mlh@goathill.org (MLH)
Cc: MLH <mlh@goathill.org>, gnats-bugs@NetBSD.org, gnats-admin@netbsd.org, netbsd-bugs@netbsd.org
Subject: Re: port-i386/49678: DRM errors with i386 i915drmkms on 82915GM (eeepc 900)
Date: Mon, 6 Apr 2015 01:12:12 +0000

    Date: Sun, 5 Apr 2015 21:05:47 -0400 (EDT)
    From: mlh@goathill.org (MLH)

    Taylor R Campbell wrote:
    > In that case, can you try the attached patch and send me the dmesg
    > output?  You can revert the earlier one changing bus_space_map.

    No visible change

 Thanks!  Can you update sys/external/bsd/drm2/include/linux/pci.h to
 1.16 and try again?

From: mlh@goathill.org (MLH)
To: Taylor R Campbell <riastradh@NetBSD.org>
Cc: MLH <mlh@goathill.org>, gnats-bugs@NetBSD.org, gnats-admin@netbsd.org, 
 netbsd-bugs@netbsd.org
Subject: Re: port-i386/49678: DRM errors with i386 i915drmkms on 82915GM (eeepc
 900)
Date: Sun, 5 Apr 2015 22:00:19 -0400 (EDT)

 Taylor R Campbell wrote:
 >    Date: Sun, 5 Apr 2015 21:05:47 -0400 (EDT)
 >    From: mlh@goathill.org (MLH)
 > 
 >    Taylor R Campbell wrote:
 >    > In that case, can you try the attached patch and send me the dmesg
 >    > output?  You can revert the earlier one changing bus_space_map.
 > 
 >    No visible change
 > 
 > Thanks!  Can you update sys/external/bsd/drm2/include/linux/pci.h to
 > 1.16 and try again?

 No visible change either.

 NetBSD 7.99.9 (GENERIC) #1: Sun Apr  5 21:36:51 EDT 2015
 ...
 pci0: i/o space, memory space enabled, rd/line, rd/mult, wr/inv ok
 pchb0 at pci0 dev 0 function 0: vendor 8086 product 2590 (rev. 0x04)
 agp0 at pchb0: i915-family chipset
 agp0: detected 7932k stolen memory
 agp0: aperture at 0xd0000000, size 0x10000000
 i915drmkms0 at pci0 dev 2 function 0: vendor 8086 product 2592 (rev. 0x04)
 drm: Memory usable by graphics device = 256M
 extent_alloc_subregion1: extent allocing vga rom: [786432, 802816)extent_alloc_subregion(c1095980,10000,ffffffff,4000,4000,0,12,c12a9a2c,cf8,0) at netbsd:extent_alloc_subregion+0x4a
 bus_space_reserve_subregion(c1018f40,10000,ffffffff,4000,4000,0,0,c12a9a70,c1018f40,c12a9a84) at netbsd:bus_space_reserve_subregion+0xa1
 bus_space_alloc(c1018f40,10000,ffffffff,4000,4000,0,0,c24b17b0,c24b17c4,c2460e00) at netbsd:bus_space_alloc+0x5a
 i915_driver_load(c249100c,c0bfc200,c12a9cc0,c249100c,c277acb8,c12a9c00,c02f8290,c249100c,c0bfc200,5) at netbsd:i915_driver_load+0xd5c
 drm_dev_register(c249100c,c0bfc200,5,c277acc4,c277acb8,c277acbc,c277acc4,c249100c,24,c27a0e48) at netbsd:drm_dev_register+0x7f
 drm_pci_attach(c27a0e48,c12a9cc0,c249131c,c101fe80,c0bfc200,c2491318,c2633460,c0bfc200,c12a9cc0,c1007578) at netbsd:drm_pci_attach+0x30b
 i915drmkms_attach(c2793388,c27a0e48,c12a9cc0,c12a9cb8,c12a9cc0,c27a0e48,c27bdaf0,0,c27bd000,c12a9d08) at netbsd:i915drmkms_attach+0xc0
 config_attach_loc(c2793388,c1005fe8,c12a9cb8,c12a9cc0,c07ddf54,c0965176,c27bdb5c,3000004,25928086,8086) at netbsd:config_attach_loc+0x181
 pci_probe_device(c27bd000,80001000,0,0,0,c12a9d4e,2,0,0,0) at netbsd:pci_probe_device+0x437
 pci_enumerate_bus(c27bd000,c0d5ce48,0,0,10,c12a9e64,10,c27bd000,c12a9dd4,c07df1fc) at netbsd:pci_enumerate_bus+0x1a7
 pcirescan(c2793388,c0de0f2b,c0d5ce48,c10c1904,2,4,c2793388,c1007578,c2793388,c0de0f2b) at netbsd:pcirescan+0x51
 pciattach(c263bd88,c2793388,c12a9e64,0,c12a9e64,c2793388,0,c0de0f2f,c0de0f2f,c12a9e20) at netbsd:pciattach+0x17d
 config_attach_loc(c263bd88,c1005568,0,c12a9e64,c07e7444,0,c12a9e4c,c07404d8,c263bd88,c0dc2346) at netbsd:config_attach_loc+0x181
 config_found_ia(c263bd88,c0dc2346,c12a9e64,c07e7444,c2639c08,0,c0dc2346,c24862b0,c263bd88,c12a9ea0) at netbsd:config_found_ia+0x36
 mp_pci_scan(c263bd88,c12a9e64,c07e7444,0,c1018f60,c1018f60,c1018f40,c107d120,0,0) at netbsd:mp_pci_scan+0x84
 mainbus_rescan(c263bd88,c0dc2346,0,c263bd88,1,c2633dc0,c2637d5c,c0df2de6,c2637d5c,c2633dc0) at netbsd:mainbus_rescan+0x23b
 mainbus_attach(0,c263bd88,0,0,c1005550,c263bd88,0,c0dc151a,12b0000,c12a9f48) at netbsd:mainbus_attach+0xfc
 config_attach_loc(0,c1005550,0,0,0,cb06,16800000,c12a9f5c,c0210976,c0dc151a) at netbsd:config_attach_loc+0x181
 config_rootfound(c0dc151a,0,cb06,c12a9fa0,c0b458a8,c0e1f198,6,3,0,0) at netbsd:config_rootfound+0x4a
 cpu_configure(c0e1f198,6,3,0,0,0,0,0,0,0) at netbsd:cpu_configure+0x2a
 main(0,0,0,0,0,0,0,0,0,0) at netbsd:main+0x2c8
 drm: Supports vblank timestamp caching Rev 2 (21.10.2013).
 drm: Driver supports precise vblank timestamp query.
 pci_map_rom_md: failed to map 0x20000 @ 0xc0000
 pci_map_rom: failed to map ROM BAR
 pci_map_rom: failed to map MD ROM
 drm: failed to find VBIOS tables
 i915drmkms0: interrupting at ioapic0 pin 16 (i915)
 drm: initialized overlay support
 intelfb0 at i915drmkms0
 i915drmkms0: info: registered panic notifier
 intelfb0: framebuffer at 0xda0b0000, size 1920x1200, depth 32, stride 7680
 DRM error in intel_pipe_config_compare: mismatch in adjusted_mode.flags(DRM_MODE_FLAG_NHSYNC) (expected 2, found 0)
 warning: /iopt/src/sys/external/bsd/drm2/dist/drm/i915/intel_display.c:9891: pipe state doesn't match!
 DRM error in intel_pipe_config_compare: mismatch in adjusted_mode.flags(DRM_MODE_FLAG_PHSYNC) (expected 0, found 1)
 warning: /iopt/src/sys/external/bsd/drm2/dist/drm/i915/intel_display.c:9891: pipe state doesn't match!
 wsdisplay0 at intelfb0 kbdmux 1: console (default, vt100 emulation), using wskbd0
 wsmux1: connecting to wsdisplay0
 vendor 8086 product 2792 (miscellaneous display, revision 0x04) at pci0 dev 2 function 1 not configured

From: Taylor R Campbell <riastradh@NetBSD.org>
To: mlh@goathill.org (MLH)
Cc: MLH <mlh@goathill.org>, gnats-bugs@NetBSD.org, gnats-admin@netbsd.org, netbsd-bugs@netbsd.org
Subject: Re: port-i386/49678: DRM errors with i386 i915drmkms on 82915GM (eeepc
	900)
Date: Mon, 6 Apr 2015 02:29:43 +0000

    Date: Sun, 5 Apr 2015 22:00:19 -0400 (EDT)
    From: mlh@goathill.org (MLH)

    Taylor R Campbell wrote:
    > Thanks!  Can you update sys/external/bsd/drm2/include/linux/pci.h to
    > 1.16 and try again?

    No visible change either.

 I missed a zero in that commit.  Try 1.17?

From: mlh@goathill.org (MLH)
To: Taylor R Campbell <riastradh@NetBSD.org>
Cc: MLH <mlh@goathill.org>, gnats-bugs@NetBSD.org, gnats-admin@netbsd.org, 
 netbsd-bugs@netbsd.org
Subject: Re: port-i386/49678: DRM errors with i386 i915drmkms on 82915GM (eeepc
 900)
Date: Mon, 6 Apr 2015 08:10:23 -0400 (EDT)

 Taylor R Campbell wrote:
 >    Date: Sun, 5 Apr 2015 22:00:19 -0400 (EDT)
 >    From: mlh@goathill.org (MLH)
 > 
 >    Taylor R Campbell wrote:
 >    > Thanks!  Can you update sys/external/bsd/drm2/include/linux/pci.h to
 >    > 1.16 and try again?
 > 
 >    No visible change either.
 > 
 > I missed a zero in that commit.  Try 1.17?

 Yeah! The LVDS console is active with this one! With no external
 monitor connected, the console works great. With the external
 monitor, the graphical display is following the external monitor
 as only about the top half of the display is diplayed and is offset
 to the right about an inch. There are still some leftover trash
 lines under X such as when windows are resized but the having the
 LVDS display working again is great! Thanks!

 ...
 pci0: i/o space, memory space enabled, rd/line, rd/mult, wr/inv ok
 pchb0 at pci0 dev 0 function 0: vendor 8086 product 2590 (rev. 0x04)
 agp0 at pchb0: i915-family chipset
 agp0: detected 7932k stolen memory
 agp0: aperture at 0xd0000000, size 0x10000000
 i915drmkms0 at pci0 dev 2 function 0: vendor 8086 product 2592 (rev. 0x04)
 drm: Memory usable by graphics device = 256M
 drm: Supports vblank timestamp caching Rev 2 (21.10.2013).
 drm: Driver supports precise vblank timestamp query.
 i915drmkms0: interrupting at ioapic0 pin 16 (i915)
 drm: initialized overlay support
 intelfb0 at i915drmkms0
 i915drmkms0: info: registered panic notifier
 intelfb0: framebuffer at 0xda0b4000, size 1024x600, depth 32, stride 4096
 wsdisplay0 at intelfb0 kbdmux 1: console (default, vt100 emulation), using wskbd0
 wsmux1: connecting to wsdisplay0
 vendor 8086 product 2792 (miscellaneous display, revision 0x04) at pci0 dev 2 function 1 not configured
 ...
 DRM debug in drm_framebuffer_reference: FB ID: 31
 DRM debug in drm_framebuffer_unreference: FB ID: 31
 DRM debug in drm_framebuffer_reference: FB ID: 31
 DRM debug in drm_framebuffer_unreference: FB ID: 31
 DRM debug in drm_framebuffer_reference: FB ID: 31
 DRM debug in drm_framebuffer_unreference: FB ID: 31
 DRM debug in drm_framebuffer_reference: FB ID: 31
 DRM debug in drm_framebuffer_unreference: FB ID: 31
 DRM debug in drm_framebuffer_reference: FB ID: 31
 DRM debug in drm_framebuffer_unreference: FB ID: 31
 DRM debug in drm_framebuffer_reference: FB ID: 31
 DRM debug in drm_framebuffer_unreference: FB ID: 31
 DRM debug in drm_calc_timestamping_constants: crtc 5: hwmode: htotal 832, vtotal 520, vdisplay 480
 DRM debug in drm_calc_timestamping_constants: crtc 5: clock 31500 kHz framedur 13734603 linedur 26412, pixeldur 31
 DRM debug in drm_vblank_get: enabling vblank on crtc 0, ret: -22
 DRM debug in drm_calc_vbltimestamp_from_scanoutpos: crtc 0 : v 7 p(-521,-23)@ 189.119764 -> 189.120388 [e 1 us, 0 rep]
 DRM debug in drm_calc_timestamping_constants: crtc 5: hwmode: htotal 832, vtotal 520, vdisplay 480
 DRM debug in drm_calc_timestamping_constants: crtc 5: clock 31500 kHz framedur 13734603 linedur 26412, pixeldur 31
 DRM debug in drm_vblank_get: enabling vblank on crtc 0, ret: -22
 DRM debug in drm_calc_vbltimestamp_from_scanoutpos: crtc 0 : v 7 p(-681,-22)@ 189.209802 -> 189.210404 [e 1 us, 0 rep]
 DRM debug in drm_framebuffer_reference: FB ID: 32
 DRM debug in drm_calc_timestamping_constants: crtc 5: hwmode: htotal 1712, vtotal 1104, vdisplay 1024
 DRM debug in drm_calc_timestamping_constants: crtc 5: clock 108000 kHz framedur 17500444 linedur 15851, pixeldur 9
 DRM debug in drm_vblank_get: enabling vblank on crtc 0, ret: -22
 DRM debug in drm_calc_vbltimestamp_from_scanoutpos: crtc 0 : v 7 p(-1209,-71)@ 189.337703 -> 189.338839 [e 1 us, 0 rep]
 DRM debug in __drm_framebuffer_unreference: FB ID: 0
 DRM debug in drm_framebuffer_unreference: FB ID: 0
 DRM debug in drm_framebuffer_reference: FB ID: 32
 DRM debug in drm_calc_timestamping_constants: crtc 5: hwmode: htotal 1712, vtotal 1104, vdisplay 1024
 DRM debug in drm_calc_timestamping_constants: crtc 5: clock 108000 kHz framedur 17500444 linedur 15851, pixeldur 9
 DRM debug in drm_vblank_get: enabling vblank on crtc 0, ret: -22
 DRM debug in drm_calc_vbltimestamp_from_scanoutpos: crtc 0 : v 7 p(-1669,-74)@ 189.473953 -> 189.475141 [e 1 us, 0 rep]
 DRM debug in __drm_framebuffer_unreference: FB ID: 0
 DRM debug in drm_framebuffer_unreference: FB ID: 0
 DRM debug in drm_calc_timestamping_constants: crtc 5: hwmode: htotal 832, vtotal 520, vdisplay 480
 DRM debug in drm_calc_timestamping_constants: crtc 5: clock 31500 kHz framedur 13734603 linedur 26412, pixeldur 31
 DRM debug in drm_vblank_get: enabling vblank on crtc 0, ret: -22
 DRM debug in drm_calc_vbltimestamp_from_scanoutpos: crtc 0 : v 7 p(-442,-23)@ 189.569965 -> 189.570586 [e 1 us, 0 rep]
 DRM debug in drm_calc_timestamping_constants: crtc 5: hwmode: htotal 832, vtotal 520, vdisplay 480
 DRM debug in drm_calc_timestamping_constants: crtc 5: clock 31500 kHz framedur 13734603 linedur 26412, pixeldur 31
 DRM debug in drm_vblank_get: enabling vblank on crtc 0, ret: -22
 DRM debug in drm_calc_vbltimestamp_from_scanoutpos: crtc 0 : v 7 p(-808,-23)@ 189.660012 -> 189.660644 [e 1 us, 0 rep]
 DRM debug in drm_framebuffer_reference: FB ID: 32
 DRM debug in drm_calc_timestamping_constants: crtc 5: hwmode: htotal 1712, vtotal 1104, vdisplay 1024
 DRM debug in drm_calc_timestamping_constants: crtc 5: clock 108000 kHz framedur 17500444 linedur 15851, pixeldur 9
 DRM debug in drm_vblank_get: enabling vblank on crtc 0, ret: -22
 DRM debug in drm_calc_vbltimestamp_from_scanoutpos: crtc 0 : v 7 p(-1424,-71)@ 189.790196 -> 189.791334 [e 1 us, 0 rep]
 DRM debug in __drm_framebuffer_unreference: FB ID: 0
 DRM debug in drm_framebuffer_unreference: FB ID: 0
 DRM debug in drm_framebuffer_reference: FB ID: 32
 DRM debug in drm_calc_timestamping_constants: crtc 5: hwmode: htotal 1712, vtotal 1104, vdisplay 1024
 DRM debug in drm_calc_timestamping_constants: crtc 5: clock 108000 kHz framedur 17500444 linedur 15851, pixeldur 9
 DRM debug in drm_vblank_get: enabling vblank on crtc 0, ret: -22
 DRM debug in drm_calc_vbltimestamp_from_scanoutpos: crtc 0 : v 7 p(-1308,-70)@ 189.930656 -> 189.931778 [e 1 us, 0 rep]
 DRM debug in __drm_framebuffer_unreference: FB ID: 0
 DRM debug in drm_framebuffer_unreference: FB ID: 0
 DRM debug in drm_framebuffer_reference: FB ID: 32
 DRM debug in drm_framebuffer_reference: FB ID: 32
 DRM debug in drm_framebuffer_reference: FB ID: 32
 DRM debug in drm_framebuffer_unreference: FB ID: 31
 DRM debug in drm_framebuffer_unreference: FB ID: 32
 DRM debug in drm_framebuffer_reference: FB ID: 32
 DRM debug in drm_framebuffer_unreference: FB ID: 32
 DRM debug in drm_framebuffer_reference: FB ID: 31
 DRM debug in drm_framebuffer_unreference: FB ID: 31
 DRM debug in drm_calc_timestamping_constants: crtc 5: hwmode: htotal 832, vtotal 520, vdisplay 480
 DRM debug in drm_calc_timestamping_constants: crtc 5: clock 31500 kHz framedur 13734603 linedur 26412, pixeldur 31
 DRM debug in drm_vblank_get: enabling vblank on crtc 0, ret: -22
 DRM debug in drm_calc_vbltimestamp_from_scanoutpos: crtc 0 : v 7 p(-306,-23)@ 215.502502 -> 215.503119 [e 1 us, 0 rep]
 DRM debug in drm_calc_timestamping_constants: crtc 5: hwmode: htotal 832, vtotal 520, vdisplay 480
 DRM debug in drm_calc_timestamping_constants: crtc 5: clock 31500 kHz framedur 13734603 linedur 26412, pixeldur 31
 DRM debug in drm_vblank_get: enabling vblank on crtc 0, ret: -22
 DRM debug in drm_calc_vbltimestamp_from_scanoutpos: crtc 0 : v 7 p(-727,-20)@ 215.592537 -> 215.593088 [e 1 us, 0 rep]
 DRM debug in drm_framebuffer_reference: FB ID: 33
 DRM debug in drm_calc_timestamping_constants: crtc 5: hwmode: htotal 1712, vtotal 1104, vdisplay 1024
 DRM debug in drm_calc_timestamping_constants: crtc 5: clock 108000 kHz framedur 17500444 linedur 15851, pixeldur 9
 DRM debug in drm_vblank_get: enabling vblank on crtc 0, ret: -22
 DRM debug in drm_calc_vbltimestamp_from_scanoutpos: crtc 0 : v 7 p(-1264,-71)@ 215.726965 -> 215.728101 [e 2 us, 0 rep]
 DRM debug in __drm_framebuffer_unreference: FB ID: 0
 DRM debug in drm_framebuffer_unreference: FB ID: 0
 DRM debug in drm_framebuffer_reference: FB ID: 33
 DRM debug in drm_calc_timestamping_constants: crtc 5: hwmode: htotal 1712, vtotal 1104, vdisplay 1024
 DRM debug in drm_calc_timestamping_constants: crtc 5: clock 108000 kHz framedur 17500444 linedur 15851, pixeldur 9
 DRM debug in drm_vblank_get: enabling vblank on crtc 0, ret: -22
 DRM debug in drm_calc_vbltimestamp_from_scanoutpos: crtc 0 : v 7 p(-1045,-52)@ 219.158681 -> 219.159514 [e 2 us, 0 rep]
 DRM debug in __drm_framebuffer_unreference: FB ID: 0
 DRM debug in drm_framebuffer_unreference: FB ID: 0

 Screen 0: minimum 320 x 200, current 1024 x 600, maximum 4096 x 4096
 LVDS1 connected 1024x600+0+0 (normal left inverted right x axis y axis) 0mm x 0mm
    1024x600      59.52*+
    800x600       60.32    56.25  
    640x480       59.94  
 VGA1 disconnected (normal left inverted right x axis y axis)
 TV1 disconnected (normal left inverted right x axis y axis)

State-Changed-From-To: feedback->closed
State-Changed-By: riastradh@NetBSD.org
State-Changed-When: Mon, 06 Apr 2015 13:02:23 +0000
State-Changed-Why:
fixed

(Please file another PR for the other issues.)


From: mlh@goathill.org (MLH)
To: gnats-bugs@NetBSD.org
Cc: netbsd-bugs@netbsd.org, gnats-admin@netbsd.org, mlh@goathill.org
Subject: Re: port-i386/49678 (DRM errors with i386 i915drmkms on 82915GM (eeepc
 900))
Date: Mon, 6 Apr 2015 09:23:23 -0400 (EDT)

 riastradh@NetBSD.org wrote:
 > Synopsis: DRM errors with i386 i915drmkms on 82915GM (eeepc 900)
 > 
 > State-Changed-From-To: feedback->closed
 > State-Changed-By: riastradh@NetBSD.org
 > State-Changed-When: Mon, 06 Apr 2015 13:02:23 +0000
 > State-Changed-Why:
 > fixed

 Please close this PR. Thanks

>Unformatted:

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