NetBSD Problem Report #51021

From www@NetBSD.org  Tue Mar 29 13:44:38 2016
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	by mollari.NetBSD.org (Postfix) with ESMTPS id 69E287A0EB
	for <gnats-bugs@gnats.NetBSD.org>; Tue, 29 Mar 2016 13:44:38 +0000 (UTC)
Message-Id: <20160329134435.CD4FE7A489@mollari.NetBSD.org>
Date: Tue, 29 Mar 2016 13:44:35 +0000 (UTC)
From: schmonz-lists-netbsd-public-bugs-sendpr@schmonz.com
Reply-To: schmonz-lists-netbsd-public-bugs-sendpr@schmonz.com
To: gnats-bugs@NetBSD.org
Subject: YogaPad 11S screen blanks partway through boot
X-Send-Pr-Version: www-1.0

>Number:         51021
>Category:       port-amd64
>Synopsis:       YogaPad 11S screen blanks partway through boot
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    riastradh
>State:          feedback
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Tue Mar 29 13:45:00 +0000 2016
>Closed-Date:    
>Last-Modified:  Sun Aug 20 06:38:53 +0000 2023
>Originator:     Amitai Schlair
>Release:        7.0
>Organization:
Schmonz Enterprises
>Environment:
NetBSD edible-sandals.dyn.schmonz.com 7.0 NetBSD 7.0 (GENERIC.201509250726Z) amd64
>Description:
Partway through boot, the screen goes blank.

If I `boot -c` and `disable i915drmkms`, the screen does not go blank.

If I enable sshd and reboot, then I can SSH into the machine after the screen goes blank.

Here's `dmesg.boot`:

Copyright (c) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
    2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015
    The NetBSD Foundation, Inc.  All rights reserved.
Copyright (c) 1982, 1986, 1989, 1991, 1993
    The Regents of the University of California.  All rights reserved.

NetBSD 7.0 (GENERIC.201509250726Z)
total memory = 8074 MB
avail memory = 7822 MB
kern.module.path=/stand/amd64/7.0/modules
timecounter: Timecounters tick every 10.000 msec
RTC BIOS diagnostic error 0x80<clock_battery>
timecounter: Timecounter "i8254" frequency 1193182 Hz quality 100
LENOVO 20246 (Lenovo IdeaPad Yoga 11S)
mainbus0 (root)
ACPI: RSDP 0xfe020 000024 (v02 LENOVO)
ACPI: XSDT 0xcaffe210 0000D4 (v01 LENOVO CB-01    00000001      01000013)
ACPI: FACP 0xcaff5000 00010C (v05 LENOVO CB-01    00000001 ACPI 00040000)
ACPI: DSDT 0xcafe9000 008E09 (v01 LENOVO CB-01    00000001 ACPI 00040000)
ACPI: FACS 0xcafbb000 000040
ACPI: SLIC 0xcaffd000 000176 (v01 LENOVO CB-01    00000001 ACPI 00040000)
ACPI: UEFI 0xcaffc000 000236 (v01 LENOVO CB-01    00000001 ACPI 00040000)
ACPI: SSDT 0xcaffb000 000662 (v01 LENOVO CB-01    00000001 ACPI 00040000)
ACPI: SSDT 0xcaffa000 000A39 (v01 LENOVO CB-01    00000001 ACPI 00040000)
ACPI: SSDT 0xcaff9000 000098 (v01 LENOVO CB-01    00000001 ACPI 00040000)
ACPI: SSDT 0xcaff8000 000058 (v01 LENOVO CB-01    00000001 ACPI 00040000)
ACPI: SSDT 0xcaff7000 000757 (v01 LENOVO CB-01    00000001 ACPI 00040000)
ACPI: ASF! 0xcaff6000 0000A5 (v32 LENOVO CB-01    00000001 ACPI 00040000)
ACPI: HPET 0xcaff4000 000038 (v01 LENOVO CB-01    00000001 ACPI 00040000)
ACPI: APIC 0xcaff3000 00008C (v03 LENOVO CB-01    00000001 ACPI 00040000)
ACPI: MCFG 0xcaff2000 00003C (v01 LENOVO CB-01    00000001 ACPI 00040000)
ACPI: WDAT 0xcafe8000 000224 (v01 LENOVO CB-01    00000001 ACPI 00040000)
ACPI: SSDT 0xcafe6000 001068 (v01 LENOVO CB-01    00000001 ACPI 00040000)
ACPI: BOOT 0xcafe4000 000028 (v01 LENOVO CB-01    00000001 ACPI 00040000)
ACPI: ASPT 0xcafe2000 000034 (v07 LENOVO CB-01    00000001 ACPI 00040000)
ACPI: DBGP 0xcafe1000 000034 (v01 LENOVO CB-01    00000001 ACPI 00040000)
ACPI: FPDT 0xcafdf000 000044 (v01 LENOVO CB-01    00000001 ACPI 00040000)
ACPI: MSDM 0xcafde000 000055 (v03 LENOVO CB-01    00000001 ACPI 00040000)
ACPI: SSDT 0xcafdd000 0007DC (v01 LENOVO CB-01    00000001 ACPI 00040000)
ACPI: SSDT 0xcafdc000 000B22 (v01 LENOVO CB-01    00000001 ACPI 00040000)
ACPI: DMAR 0xcafdb000 0000B8 (v01 LENOVO CB-01    00000001 ACPI 00040000)
ACPI: All ACPI Tables successfully acquired
ioapic0 at mainbus0 apid 0: pa 0xfec00000, version 0x20, 24 pins
cpu0 at mainbus0 apid 0: Intel(R) Core(TM) i7-3689Y CPU @ 1.50GHz, id 0x306a9
cpu1 at mainbus0 apid 1: Intel(R) Core(TM) i7-3689Y CPU @ 1.50GHz, id 0x306a9
cpu2 at mainbus0 apid 2: Intel(R) Core(TM) i7-3689Y CPU @ 1.50GHz, id 0x306a9
cpu3 at mainbus0 apid 3: Intel(R) Core(TM) i7-3689Y CPU @ 1.50GHz, id 0x306a9
acpi0 at mainbus0: Intel ACPICA 20131218
acpi0: X/RSDT: OemId <LENOVO,CB-01   ,00000001>, AslId <    ,01000013>
ACPI: SSDT 0xcae17018 00083B (v01  PmRef  Cpu0Cst 00003001 INTL 20121220)
ACPI: SSDT 0x0 00083B (v01  PmRef  Cpu0Cst 00003001 INTL 20121220)
ACPI: SSDT 0xcae18a98 000303 (v01  PmRef    ApIst 00003000 INTL 20121220)
ACPI: SSDT 0x0 000303 (v01  PmRef    ApIst 00003000 INTL 20121220)
ACPI: SSDT 0xcae16d98 000119 (v01  PmRef    ApCst 00003000 INTL 20121220)
ACPI: SSDT 0x0 000119 (v01  PmRef    ApCst 00003000 INTL 20121220)
acpi0: SCI interrupting at int 9
timecounter: Timecounter "ACPI-Fast" frequency 3579545 Hz quality 1000
hpet0 at acpi0: high precision event timer (mem 0xfed00000-0xfed00400)
timecounter: Timecounter "hpet0" frequency 14318180 Hz quality 2000
acpiec0 at acpi0 (EC0, PNP0C09-1)
: io 0x62,0x66
ALSD (ACPI0008) at acpi0 not configured
CIND (CIND0C60) at acpi0 not configured
acpibat0 at acpi0 (BAT1, PNP0C0A-1): ACPI Battery
acpibat0: Lenovo IdeaPad Li Polymer rechargeable battery
acpibat0: granularity: low->warn 0.100 Wh, warn->full 0.000 Wh
VPC0 (VPC2004) at acpi0 not configured
acpiwmi0 at acpi0 (WMI0, PNP0C14-LOW0): ACPI WMI Interface
acpiwmibus at acpiwmi0 not configured
FWHD (INT0800) at acpi0 not configured
LDRC (PNP0C02) at acpi0 not configured
attimer1 at acpi0 (TIMR, PNP0100): io 0x40-0x43,0x50-0x53 irq 0
CWDT (INT3F0D) at acpi0 not configured
pckbc1 at acpi0 (PS2K, IDEA0104) (kbd port): io 0x60,0x64 irq 1
pckbc2 at acpi0 (PS2M, SYN2B10) (aux port): irq 12
PDRC (PNP0C02) at acpi0 not configured
acpivga0 at acpi0 (GFX0): ACPI Display Adapter
acpiout0 at acpivga0 (DD01, 0x0100): ACPI Display Output Device
acpiout1 at acpivga0 (DD02, 0x0410): ACPI Display Output Device
acpiout1: brightness levels: 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100
acpiout2 at acpivga0 (DD03, 0x0300): ACPI Display Output Device
acpiout3 at acpivga0 (DD04, 0x0301): ACPI Display Output Device
acpiout4 at acpivga0 (DD05, 0x0005): ACPI Display Output Device
acpiout5 at acpivga0 (DD06, 0x0006): ACPI Display Output Device
acpiout6 at acpivga0 (DD07, 0x0007): ACPI Display Output Device
acpiout7 at acpivga0 (DD08, 0x0008): ACPI Display Output Device
acpivga0: unknown output device acpiout0
acpivga0: unknown output device acpiout1
acpivga0: unknown output device acpiout2
acpivga0: unknown output device acpiout3
acpivga0: unknown output device acpiout4
acpivga0: unknown output device acpiout5
acpivga0: unknown output device acpiout6
acpivga0: unknown output device acpiout7
acpivga0: connected output devices:
acpivga0:   0x0400: Unknown Output Device, head 0
acpiacad0 at acpi0 (ADP1, ACPI0003): ACPI AC Adapter
acpilid0 at acpi0 (LID0, PNP0C0D): ACPI Lid Switch
acpibut0 at acpi0 (PWRB, PNP0C0C): ACPI Power Button
MEM2 (PNP0C01) at acpi0 not configured
IETM (INT3400) at acpi0 not configured
PTID (INT340E) at acpi0 not configured
acpitz0 at acpi0 (TZ01): cpu0 cpu1 cpu2 cpu3
acpitz0: levels: critical 110.0 C, passive 93.0 C, passive cooling
ACPI: Enabled 5 GPEs in block 00 to 3F
ACPI Exception: AE_NOT_FOUND, While evaluating Sleep State [\_S1_] (20131218/hwxface-646)
ACPI Exception: AE_NOT_FOUND, While evaluating Sleep State [\_S2_] (20131218/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: Synaptics touchpad version 8.1
pms0: Extended W mode, Palm detect, One button click pad, Multi-finger Report, Multi-finger
pckbc1: using irq 12 for aux slot
wsmouse0 at pms0 mux 0
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 0x8086 product 0x0154 (rev. 0x09)
i915drmkms0 at pci0 dev 2 function 0: vendor 0x8086 product 0x0166 (rev. 0x09)
drm: Memory usable by graphics device = 2048M
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: GMBUS [i915 gmbus vga] timed out, falling back to bit banging on pin 2
intelfb0 at i915drmkms0
i915drmkms0: info: registered panic notifier
intelfb0: framebuffer at 0xffff80008df5c000, size 1366x768, depth 32, stride 5504
DRM error in intel_dp_start_link_train: failed to enable link training
warning: /usr/src/sys/external/bsd/drm2/dist/drm/i915/intel_dp.c:2799: (I915_READ(intel_dp->output_reg) & DP_PORT_EN) == 0
warning: /usr/src/sys/external/bsd/drm2/dist/drm/i915/intel_dp.c:2799: (I915_READ(intel_dp->output_reg) & DP_PORT_EN) == 0
warning: /usr/src/sys/external/bsd/drm2/dist/drm/i915/intel_dp.c:2799: (I915_READ(intel_dp->output_reg) & DP_PORT_EN) == 0
warning: /usr/src/sys/external/bsd/drm2/dist/drm/i915/intel_dp.c:2799: (I915_READ(intel_dp->output_reg) & DP_PORT_EN) == 0
warning: /usr/src/sys/external/bsd/drm2/dist/drm/i915/intel_dp.c:2799: (I915_READ(intel_dp->output_reg) & DP_PORT_EN) == 0
warning: /usr/src/sys/external/bsd/drm2/dist/drm/i915/intel_dp.c:2799: (I915_READ(intel_dp->output_reg) & DP_PORT_EN) == 0
DRM error in intel_dp_complete_link_train: failed to train DP, aborting
DRM error in cpt_verify_modeset: mode set failed: pipe A stuck
warning: /usr/src/sys/external/bsd/drm2/dist/drm/i915/intel_display.c:9818: encoder's hw state doesn't match sw tracking (expected 1, found 0)
DRM error in intel_pipe_config_compare: mismatch in has_dp_encoder (expected 1, found 0)
warning: /usr/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 0x8086 product 0x0153 (miscellaneous DASP, revision 0x09) at pci0 dev 4 function 0 not configured
vendor 0x8086 product 0x1e31 (USB serial bus, xHCI, revision 0x04) at pci0 dev 20 function 0 not configured
vendor 0x8086 product 0x1e3a (miscellaneous communications, revision 0x04) at pci0 dev 22 function 0 not configured
ehci0 at pci0 dev 26 function 0: vendor 0x8086 product 0x1e2d (rev. 0x04)
ehci0: interrupting at ioapic0 pin 16
ehci0: BIOS has given up ownership
ehci0: EHCI version 1.0
usb0 at ehci0: USB revision 2.0
hdaudio0 at pci0 dev 27 function 0: HD Audio Controller
hdaudio0: interrupting at ioapic0 pin 22
hdafg0 at hdaudio0: Conexant CX20671
hdafg0: DAC00 2ch: Speaker [Built-In]
hdafg0: ADC01 2ch: Mic In [Jack]
hdafg0: DAC02 2ch: HP Out [Jack]
hdafg0: ADC03 2ch: Mic In [Built-In]
hdafg0: 2ch/2ch 44100Hz 48000Hz 96000Hz PCM16 PCM20 PCM24 AC3
audio0 at hdafg0: full duplex, playback, capture, mmap, independent
hdafg1 at hdaudio0: Intel product 0x2806
hdafg1: DP00 8ch: Digital Out [Jack]
hdafg1: 8ch/0ch 48000Hz PCM16*
ehci1 at pci0 dev 29 function 0: vendor 0x8086 product 0x1e26 (rev. 0x04)
ehci1: interrupting at ioapic0 pin 23
ehci1: BIOS has given up ownership
ehci1: EHCI version 1.0
usb1 at ehci1: USB revision 2.0
ichlpcib0 at pci0 dev 31 function 0: vendor 0x8086 product 0x1e56 (rev. 0x04)
timecounter: Timecounter "ichlpcib0" frequency 3579545 Hz quality 1000
ichlpcib0: 24-bit timer
ichlpcib0: TCO (watchdog) timer configured.
ahcisata0 at pci0 dev 31 function 2: vendor 0x8086 product 0x1e03 (rev. 0x04)
ahcisata0: interrupting at ioapic0 pin 19
ahcisata0: 64-bit DMA
ahcisata0: AHCI revision 1.30, 6 ports, 32 slots, CAP 0xc730ff45<EMS,PSC,SSC,PMD,ISS=0x3=Gen3,SCLO,SAL,SALP,SNCQ,S64A>
atabus0 at ahcisata0 channel 0
ichsmb0 at pci0 dev 31 function 3: vendor 0x8086 product 0x1e22 (rev. 0x04)
ichsmb0: interrupting at ioapic0 pin 19
iic0 at ichsmb0: I2C bus
vendor 0x8086 product 0x1e24 (miscellaneous DASP, revision 0x04) at pci0 dev 31 function 6 not configured
isa0 at ichlpcib0
pcppi0 at isa0 port 0x61
midi0 at pcppi0: PC speaker
sysbeep0 at pcppi0
attimer1: attached to pcppi0
acpicpu0 at cpu0: ACPI CPU
acpicpu0: C1: FFH, lat   1 us, pow  1000 mW
acpicpu0: C2: FFH, lat  80 us, pow   350 mW
acpicpu0: P0: FFH, lat  10 us, pow 13000 mW, 1501 MHz, turbo boost
acpicpu0: P1: FFH, lat  10 us, pow 13000 mW, 1500 MHz
acpicpu0: P2: FFH, lat  10 us, pow 11952 mW, 1400 MHz
acpicpu0: P3: FFH, lat  10 us, pow 10926 mW, 1300 MHz
acpicpu0: P4: FFH, lat  10 us, pow 10047 mW, 1200 MHz
acpicpu0: P5: FFH, lat  10 us, pow  9062 mW, 1100 MHz
acpicpu0: P6: FFH, lat  10 us, pow  8097 mW, 1000 MHz
acpicpu0: P7: FFH, lat  10 us, pow  7277 mW,  900 MHz
acpicpu0: P8: FFH, lat  10 us, pow  6352 mW,  800 MHz
acpicpu0: T0: I/O, lat   1 us, pow     0 mW, 100 %
acpicpu0: T1: I/O, lat   1 us, pow     0 mW,  88 %
acpicpu0: T2: I/O, lat   1 us, pow     0 mW,  76 %
acpicpu0: T3: I/O, lat   1 us, pow     0 mW,  64 %
acpicpu0: T4: I/O, lat   1 us, pow     0 mW,  52 %
acpicpu0: T5: I/O, lat   1 us, pow     0 mW,  40 %
acpicpu0: T6: I/O, lat   1 us, pow     0 mW,  28 %
acpicpu0: T7: I/O, lat   1 us, pow     0 mW,  16 %
coretemp0 at cpu0: thermal sensor, 1 C resolution, Tjmax=105
acpicpu1 at cpu1: ACPI CPU
acpicpu2 at cpu2: ACPI CPU
coretemp1 at cpu2: thermal sensor, 1 C resolution, Tjmax=105
acpicpu3 at cpu3: ACPI CPU
timecounter: Timecounter "clockinterrupt" frequency 100 Hz quality 0
ERROR: 327 cycle TSC drift observed
acpiacad0: AC adapter online.
IPsec: Initialized Security Association Processing.
uhub0 at usb1: vendor 0x8086 EHCI root hub, class 9/0, rev 2.00/1.00, addr 1
uhub0: 2 ports with 2 removable, self powered
uhub1 at usb0: vendor 0x8086 EHCI root hub, class 9/0, rev 2.00/1.00, addr 1
uhub1: 2 ports with 2 removable, self powered
ahcisata0 port 0: device present, speed: 6.0Gb/s
drm: Enabling RC6 states: RC6 on, RC6p on, RC6pp off
wd0 at atabus0 drive 0
wd0: <SAMSUNG MZMTD256HAGM-000L1>
wd0: drive supports 16-sector PIO transfers, LBA48 addressing
wd0: 238 GB, 496149 cyl, 16 head, 63 sec, 512 bytes/sect x 500118192 sectors
wd0: drive supports PIO mode 4, DMA mode 2, Ultra-DMA mode 6 (Ultra/133)
wd0(ahcisata0:0:0): using PIO mode 4, DMA mode 2, Ultra-DMA mode 6 (Ultra/133) (using DMA)
uhub2 at uhub0 port 1: vendor 0x8087 product 0x0024, class 9/0, rev 2.00/0.00, addr 2
uhub2: single transaction translator
uhub3 at uhub1 port 1: vendor 0x8087 product 0x0024, class 9/0, rev 2.00/0.00, addr 2
uhub3: single transaction translator
uhub2: 8 ports with 8 removable, self powered
uhub3: 6 ports with 6 removable, self powered
uhidev0 at uhub2 port 6 configuration 1 interface 0
uhidev0: Invensense Lenovo Yoga, rev 2.00/11.40, addr 3, iclass 3/0
urtw0 at uhub3 port 2: RTL8187 rev 0x04uhidev0: 7 report ids
uhid0 at uhidev0 reportid 1: input=8, output=0, feature=11
uhid1 at uhidev0 reportid 2: input=14, output=0, feature=11
uhid2 at uhidev0 reportid 3: input=11, output=0, feature=13
uhid3 at uhidev0 reportid 4: input=8, output=0, feature=11
uhid4 at uhidev0 reportid 5: input=18, output=0, feature=13
uhid5 at uhidev0 reportid 6: input=14, output=0, feature=11
uhid6 at uhidev0 reportid 7: input=26, output=0, feature=44
, RFv2ugen0 at uhub2 port 7
ugen0: Realtek 802.11n WLAN Adapter, rev 2.00/2.00, addr 4
, address 00:0f:12:77:12:cd
urtw0: 11b rates: 1Mbps 2Mbps 5.5Mbps 11Mbps
urtw0: 11g rates: 1Mbps 2Mbps 5.5Mbps 11Mbps 6Mbps 9Mbps 12Mbps 18Mbps 24Mbps 36Mbps 48Mbps 54Mbps
uvideo0 at uhub2 port 8 configuration 1 interface 0: Generic Lenovo EasyCamera, rev 2.00/14.48, addr 5
video0 at uvideo0: Generic Lenovo EasyCamera, rev 2.00/14.48, addr 5
ugen1 at uhub3 port 3
ugen1: Generic USB2.0-CRW, rev 2.00/39.60, addr 4
uhidev1 at uhub3 port 4 configuration 1 interface 0
uhidev1: Atmel Atmel maXTouch Digitizer, rev 2.00/20.33, addr 5, iclass 3/0
uhidev1: 5 report ids
uts0 at uhidev1 reportid 1uts0: touchscreen has no range report
uhid7 at uhidev1 reportid 2: input=0, output=0, feature=1
uhid8 at uhidev1 reportid 3: input=10, output=0, feature=0
uhid9 at uhidev1 reportid 5: input=0, output=0, feature=256
uhidev2 at uhub3 port 4 configuration 1 interface 1
uhidev2: Atmel Atmel maXTouch Digitizer, rev 2.00/20.33, addr 5, iclass 3/0
uhidev2: 2 report ids
uhid10 at uhidev2 reportid 1: input=63, output=63, feature=0
uhid11 at uhidev2 reportid 2: input=63, output=63, feature=0
Kernelized RAIDframe activated
pad0: outputs: 44100Hz, 16-bit, stereo
audio1 at pad0: half duplex, playback, capture
boot device: wd0
root on wd0a dumps on wd0b
root file system type: ffs
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)

And here's the output of `pcictl pci0 dump -d 2 -f 0`:

PCI configuration registers:
  Common header:
    0x00: 0x01668086 0x00900007 0x03000009 0x00000000

    Vendor Name: Intel (0x8086)
    Device Name: Ivy Bridge Integrated Graphics Device (0x0166)
    Command register: 0x0007
      I/O space accesses: on
      Memory space accesses: on
      Bus mastering: on
      Special cycles: off
      MWI transactions: off
      Palette snooping: off
      Parity error checking: off
      Address/data stepping: off
      System error (SERR): off
      Fast back-to-back transactions: off
      Interrupt disable: off
    Status register: 0x0090
      Interrupt status: inactive
      Capability List support: on
      66 MHz capable: off
      User Definable Features (UDF) support: off
      Fast back-to-back capable: on
      Data parity error detected: off
      DEVSEL timing: fast (0x0)
      Slave signaled Target Abort: off
      Master received Target Abort: off
      Master received Master Abort: off
      Asserted System Error (SERR): off
      Parity error detected: off
    Class Name: display (0x03)
    Subclass Name: VGA (0x00)
    Interface: 0x00
    Revision ID: 0x09
    BIST: 0x00
    Header Type: 0x00 (0x00)
    Latency Timer: 0x00
    Cache Line Size: 0bytes (0x00)

  Type 0 ("normal" device) header:
    0x10: 0xe0000004 0x00000000 0xd000000c 0x00000000
    0x20: 0x00002001 0x00000000 0x00000000 0x397717aa
    0x30: 0x00000000 0x00000090 0x00000000 0x00000107

    Base address register at 0x10
      type: 64-bit nonprefetchable memory
      base: 0x00000000e0000000, not sized
    Base address register at 0x18
      type: 64-bit prefetchable memory
      base: 0x00000000d0000000, not sized
    Base address register at 0x20
      type: i/o
      base: 0x00002000, not sized
    Base address register at 0x24
      not implemented(?)
    Cardbus CIS Pointer: 0x00000000
    Subsystem vendor ID: 0x17aa
    Subsystem ID: 0x3977
    Expansion ROM Base Address: 0x00000000
    Capability list pointer: 0x90
    Reserved @ 0x38: 0x00000000
    Maximum Latency: 0x00
    Minimum Grant: 0x00
    Interrupt pin: 0x01 (pin A)
    Interrupt line: 0x07

  Capability register at 0x90
    type: 0x05 (MSI)
  Capability register at 0xd0
    type: 0x01 (Power Management)
  Capability register at 0xa4
    type: 0x13 (Advanced Features)

  PCI Power Management Capabilities Register
    Capabilities register: 0x0022
      Version: 1.1
      PME# clock: off
      Device specific initialization: on
      3.3V auxiliary current: self-powered
      D1 power management state support: off
      D2 power management state support: off
      PME# support D0: off
      PME# support D1: off
      PME# support D2: off
      PME# support D3 hot: off
      PME# support D3 cold: off
    Control/status register: 0x0000
      Power state: D0
      PCI Express reserved: off
      No soft reset: off
      PME# assertion: disabled
      PME# status: off
    Bridge Support Extensions register: 0x00
      B2/B3 support: off
      Bus Power/Clock Control Enable: off
    Data register: 0x00

  PCI Message Signaled Interrupt
    Message Control register: 0x0000
      MSI Enabled: off
      Multiple Message Capable: no (1 vector)
      Multiple Message Enabled: off (1 vector)
      64 Bit Address Capable: off
      Per-Vector Masking Capable: off
    Message Address register: 0x00000000
    Message Data register: 0x00000000

  Advanced Features Capability Register
    AF Capabilities register: 0x03
      Transaction Pending: on
      Function Level Reset: on
    AF Control register: 0x00
    AF Status register: 0x00
      Transaction Pending: off

  Device-dependent header:
    0x40: 0x010c0009 0xf200619b 0x16f800d0 0x00000000
    0x50: 0x00000211 0x00000091 0x00000000 0xcba00001
    0x60: 0x00020000 0x00000000 0x00000000 0x00000000
    0x70: 0x00000000 0x00000000 0x00000000 0x00000000
    0x80: 0x00000000 0x00000000 0x00000000 0x00000000
    0x90: 0x0000d005 0x00000000 0x00000000 0x00000000
    0xa0: 0x00000000 0x03060013 0x00000000 0x00000000
    0xb0: 0x00000000 0x00000000 0x00000000 0x00000000
    0xc0: 0x00000000 0x00000000 0x00000000 0x00000000
    0xd0: 0x0022a401 0x00000000 0x00000000 0x00000000
    0xe0: 0x00000000 0x00000000 0x00008000 0x00000000
    0xf0: 0x00000000 0x00000000 0x00090000 0xcafb3018
>How-To-Repeat:
Boot NetBSD/amd64 7.0 on a Lenovo IdeaPad Yoga 11S.
>Fix:
None known.

>Release-Note:

>Audit-Trail:

Responsible-Changed-From-To: port-amd64-maintainer->riastradh
Responsible-Changed-By: schmonz@NetBSD.org
Responsible-Changed-When: Tue, 29 Mar 2016 14:01:18 +0000
Responsible-Changed-Why:
riastradh@ asked for this bug report.


State-Changed-From-To: open->feedback
State-Changed-By: riastradh@NetBSD.org
State-Changed-When: Sun, 20 Aug 2023 06:38:53 +0000
State-Changed-Why:
Lots of drm updates and fixes since this was filed, still reproducible?


>Unformatted:

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