NetBSD Problem Report #42736

From fair@digital.clock.org  Thu Feb  4 02:59:43 2010
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Message-Id: <20100204014709.0BE273AC9F@digital.clock.org>
Date: Wed,  3 Feb 2010 17:47:08 -0800 (PST)
From: fair@netbsd.org
Reply-To: fair@netbsd.org
To: gnats-bugs@gnats.NetBSD.org
Subject: spdmem(4) reports incorrect RAM type
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>Number:         42736
>Category:       kern
>Synopsis:       spdmem(4) reports incorrect RAM type
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    pgoyette
>State:          closed
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Thu Feb 04 03:00:00 +0000 2010
>Closed-Date:    Thu May 20 11:07:55 +0000 2010
>Last-Modified:  Thu May 20 11:07:55 +0000 2010
>Originator:     Erik E. Fair
>Release:        NetBSD 5.0_STABLE
>Organization:
International Organization of Internet Clock Watchers
>Environment:


System: NetBSD digital.clock.org 5.0_STABLE NetBSD 5.0_STABLE (FLAPJACK2) #3: Mon Oct 19 09:16:40 PDT 2009 root@fast.clock.org:/var/obj/sys/arch/sparc64/compile/FLAPJACK2 sparc64
Architecture: sparc64
Machine: sparc64

NetBSD 5.0_STABLE (FLAPJACK2) #3: Mon Oct 19 09:16:40 PDT 2009
	root@fast.clock.org:/var/obj/sys/arch/sparc64/compile/FLAPJACK2
total memory = 2048 MB
avail memory = 1998 MB
timecounter: Timecounters tick every 10.000 msec
mainbus0 (root): SUNW,UltraAX-i2 (Netra T1 200): hostid XXXXXXXX
cpu0 at mainbus0: SUNW,UltraSPARC-IIe @ 500 MHz, UPA id 0
cpu0: 32K instruction (32 b/l), 16K data (32 b/l), 1024K external (64 b/l)
psycho0 at mainbus0
psycho0: SUNW,sabre: impl 0, version 0: ign 7c0 bus range 0 to 2; PCI bus 0
psycho_alloc_extent: no "available" property
psycho_alloc_extent: no "available" property
DVMA map: c0000000 to e0000000
IOTSB: 238a000 to 240a000
pci0 at psycho0
pci0: i/o space, memory space enabled
ppb0 at pci0 dev 1 function 1: Sun Microsystems Simba PCI bridge (rev. 0x13)
pci1 at ppb0 bus 1
pci1: i/o space, memory space enabled
ebus0 at pci1 dev 12 function 0
ebus0: Sun Microsystems PCIO Ebus2 (US III), revision 0x01
flashprom at ebus0 addr 0-fffff not configured
clock0 at ebus0 addr 0-1fff: mk48t59
ebus_attach: idprom: incomplete
lom0 at ebus0 addr 200000-200003 ipl 42: SUNW,lomh: LOMlite2 rev 3.10
lom0: 4 fan(s), 1 PSU(s), 1 temp sensor(s)
lom0: Watchdog timer configured.
alipm0 at pci1 dev 3 function 0: 74KHz clock
iic0 at alipm0: I2C bus
spdmem0 at iic0 addr 0x54
spdmem0: SDRAM memory, data ECC, 133MHz (PC-1100)
spdmem0: 13 rows, 11 cols, 11 banks, 4 banks/chip, 7.5ns cycle time
spdmem0: tAA-tRCD-tRP-tRAS: 3-20-20-45
spdmem0: voltage LvTTL (not 5V tolerant), refresh time 7.8us (self-refreshing)
spdmem1 at iic0 addr 0x55
spdmem1: SDRAM memory, data ECC, 512MB, 133MHz (PC-1100)
spdmem1: 13 rows, 11 cols, 1 banks, 4 banks/chip, 7.5ns cycle time
spdmem1: tAA-tRCD-tRP-tRAS: 3-20-20-45
spdmem1: voltage LvTTL (not 5V tolerant), refresh time 7.8us (self-refreshing)
spdmem2 at iic0 addr 0x56
spdmem2: SDRAM memory, data ECC, 512MB, 133MHz (PC-1100)
spdmem2: 13 rows, 11 cols, 1 banks, 4 banks/chip, 7.5ns cycle time
spdmem2: tAA-tRCD-tRP-tRAS: 3-20-20-44
spdmem2: voltage LvTTL (not 5V tolerant), refresh time 7.8us (self-refreshing)
spdmem3 at iic0 addr 0x57
spdmem3: SDRAM memory, data ECC, 512MB, 133MHz (PC-1100)
spdmem3: 13 rows, 11 cols, 1 banks, 4 banks/chip, 7.5ns cycle time
spdmem3: tAA-tRCD-tRP-tRAS: 3-20-20-45
spdmem3: voltage LvTTL (not 5V tolerant), refresh time 7.8us (self-refreshing)
admtemp0 at iic0 addr 0x18: ADM1021 or compatible environmental sensor
ebus1 at pci1 dev 7 function 0
ebus1: Acer Labs M1533 PCI-ISA Bridge, revision 0x00
power at ebus1 addr 2000-2007 ipl 37 not configured
com0 at ebus1 addr 3f8-3ff ipl 43: ns16550a, working fifo
com0: console
com1 at ebus1 addr 2e8-2ef ipl 43: ns16550a, working fifo
gem0 at pci1 dev 12 function 1: Sun Microsystems ERI Ethernet (rev. 0x01)
gem0: interrupting at ivec 3006
ukphy0 at gem0 phy 1: Generic IEEE 802.3u media interface
ukphy0: OUI 0x0008bb, model 0x0002, rev. 1
ukphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
gem0: Ethernet address xx:xx:xx:xx:xx:xx, 2KB RX fifo, 2KB TX fifo
ohci0 at pci1 dev 12 function 3: Sun Microsystems USB controller (rev. 0x01)
ohci0: interrupting at ivec 24
ohci0: OHCI version 1.0, legacy support
usb0 at ohci0: USB revision 1.0
aceride0 at pci1 dev 13 function 0
aceride0: Acer Labs M5229 UDMA IDE Controller (rev. 0xc3)
aceride0: bus-master DMA support present
aceride0: primary channel configured to native-PCI mode
aceride0: using ivec 180c for native-PCI interrupt
atabus0 at aceride0 channel 0
aceride0: secondary channel configured to native-PCI mode
atabus1 at aceride0 channel 1
gem1 at pci1 dev 5 function 1: Sun Microsystems ERI Ethernet (rev. 0x01)
gem1: interrupting at ivec 301c
ukphy1 at gem1 phy 1: Generic IEEE 802.3u media interface
ukphy1: OUI 0x0008bb, model 0x0002, rev. 1
ukphy1: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
gem1: Ethernet address xx:xx:xx:xx:xx:xx, 2KB RX fifo, 2KB TX fifo
ohci1 at pci1 dev 5 function 3: Sun Microsystems USB controller (rev. 0x01)
ohci1: interrupting at ivec 26
ohci1: OHCI version 1.0, legacy support
usb1 at ohci1: USB revision 1.0
ppb1 at pci0 dev 1 function 0: Sun Microsystems Simba PCI bridge (rev. 0x13)
pci2 at ppb1 bus 2
pci2: i/o space, memory space enabled
esiop0 at pci2 dev 8 function 0: Symbios Logic 53c896 (ultra2-wide scsi)
esiop0: using on-board RAM
esiop0: interrupting at ivec 1820
scsibus0 at esiop0: 16 targets, 8 luns per target
esiop1 at pci2 dev 8 function 1: Symbios Logic 53c896 (ultra2-wide scsi)
esiop1: using on-board RAM
esiop1: interrupting at ivec 1820
scsibus1 at esiop1: 16 targets, 8 luns per target
bge0 at pci2 dev 5 function 0: Broadcom BCM5705 Gigabit Ethernet
bge0: interrupting at ivec 15
bge0: ASIC BCM5705 A1 (0x3001), Ethernet address xx:xx:xx:xx:xx:xx
bge0: setting short Tx thresholds
brgphy0 at bge0 phy 1: BCM5705 1000BASE-T media interface, rev. 1
brgphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, 1000baseT, 1000baseT-FDX, auto
pcons at mainbus0 not configured
timecounter: Timecounter "clockinterrupt" frequency 100 Hz quality 0
timecounter: Timecounter "tick-counter" frequency 500000000 Hz quality 100
No counter-timer -- using %tick at 500MHz as system clock.
scsibus0: waiting 2 seconds for devices to settle...
scsibus1: waiting 2 seconds for devices to settle...
atapibus0 at atabus0: 2 targets
uhub0 at usb0: Sun Microsystem OHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub0: 4 ports with 4 removable, self powered
uhub1 at usb1: Sun Microsystem OHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub1: 4 ports with 4 removable, self powered
cd0 at atapibus0 drive 0: <CD-224E, , 1.7A> cdrom removable
IPsec: Initialized Security Association Processing.
cd0: drive supports PIO mode 4, DMA mode 2, Ultra-DMA mode 2 (Ultra/33)
cd0(aceride0:0:0): using PIO mode 4, Ultra-DMA mode 2 (Ultra/33) (using DMA)
sd0 at scsibus0 target 0 lun 0: <SEAGATE, ST373405LC, 0003> disk fixed
sd0: 70007 MB, 29550 cyl, 8 head, 606 sec, 512 bytes/sect x 143374741 sectors
sd0: sync (25.00ns offset 31), 16-bit (80.000MB/s) transfers, tagged queueing
sd1 at scsibus0 target 1 lun 0: <ModusLnk, MXJ3300SC800600X, 5704> disk fixed
sd1: 279 GB, 78753 cyl, 8 head, 930 sec, 512 bytes/sect x 585937500 sectors
sd1: sync (25.00ns offset 31), 16-bit (80.000MB/s) transfers, tagged queueing
root on sd0a dumps on sd0b
root file system type: ffs

>Description:

	On a Sun Netra T1 model 200 (500 MHz UltraSPARC IIe),
	NetBSD 5's spdmem(4) driver reports the RAM as:

	spdmem0 at iic0 addr 0x54
	spdmem0: SDRAM memory, data ECC, 133MHz (PC-1100)
	spdmem0: 13 rows, 11 cols, 11 banks, 4 banks/chip, 7.5ns cycle time
	spdmem0: tAA-tRCD-tRP-tRAS: 3-20-20-45
	spdmem0: voltage LvTTL (not 5V tolerant), refresh time 7.8us (self-refreshing)

	This system in fact uses PC-133 SDRAM, not PC-1100.

	This problem also manifests on the Sun Fire V120 which is
	a speed-bumped version of the samee motherboard.

>How-To-Repeat:
	Boot a NetBSD 5 kernel
	read the autoconf output
	note the mismatch between NetBSD reported RAM type, and actual RAM type.
	file NetBSD problem report

>Fix:


>Release-Note:

>Audit-Trail:

Responsible-Changed-From-To: kern-bug-people->pgoyette
Responsible-Changed-By: pgoyette@NetBSD.org
Responsible-Changed-When: Mon, 22 Feb 2010 13:58:49 +0000
Responsible-Changed-Why:
This is mine.


From: Paul Goyette <paul@whooppee.com>
To: fair@netbsd.org, gnats-bugs@netbsd.org
Cc: 
Subject: Re: kern/42736
Date: Mon, 22 Feb 2010 05:57:43 -0800 (PST)

 Eric, can you provide the output of

  	sysctl -r hw.spdmem0.spd_data | hexdump


From: Paul Goyette <paul@whooppee.com>
To: fair@netbsd.org, gnats-bugs@netbsd.org
Cc: 
Subject: Re: kern/42736
Date: Mon, 22 Feb 2010 09:42:00 -0800 (PST)

   This message is in MIME format.  The first part should be readable text,
   while the remaining parts are likely unreadable without MIME-aware tools.

 --0-2007850013-1266860520=:20770
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 On Mon, 22 Feb 2010, Paul Goyette wrote:

 > Eric, can you provide the output of
 >
 > 	sysctl -r hw.spdmem0.spd_data | hexdump

 Actually, this is not necessary.  I found the resolution of this PR in 
 the OpenBSD version of code (they fixed it about two years ago).

 Please try the attached patch.



 -------------------------------------------------------------------------
 |   Paul Goyette   | PGP DSS Key fingerprint: |  E-mail addresses:      |
 | Customer Service | FA29 0E3B 35AF E8AE 6651 |  paul at whooppee.com   |
 | Network Engineer | 0786 F758 55DE 53BA 7731 | pgoyette at juniper.net |
 | Kernel Developer |                          | pgoyette at netbsd.org  |
 -------------------------------------------------------------------------
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 --0-2007850013-1266860520=:20770--

From: Erik Fair <fair@netbsd.org>
To: pgoyette@NetBSD.org
Cc: netbsd-bugs@netbsd.org,
 gnats-bugs@NetBSD.org
Subject: Re: kern/42736
Date: Mon, 22 Feb 2010 09:30:28 -0800

 root@digital 92} sysctl -r hw.spdmem0.spd_data | hexdump
 0000000 8008 040d 0b0b 4800 0175 5402 8204 0401
 0000010 0f04 0601 011f 0ea0 6000 0014 0f14 2d80
 0000020 1508 1508 0000 0000 0000 0000 0000 0000
 0000030 0000 0000 0000 0000 0000 0000 0000 02ac
 0000040 c149 4e46 494e 454f 5748 5953 3732 5636
 0000050 3433 3030 4752 2d37 2e35 0003 0901 1202
 0000060 0266 3800 0000 0000 0000 0000 0000 0000
 0000070 0000 0000 0000 0000 0000 0000 0000 648f
 0000080

From: Paul Goyette <pgoyette@netbsd.org>
To: gnats-bugs@gnats.NetBSD.org
Cc: 
Subject: PR/42736 CVS commit: src/sys/dev/i2c
Date: Tue, 23 Feb 2010 00:13:06 +0000

 Module Name:	src
 Committed By:	pgoyette
 Date:		Tue Feb 23 00:13:06 UTC 2010

 Modified Files:
 	src/sys/dev/i2c: spdmem.c

 Log Message:
 Correct calculation and display of SDR DRAM speed.  From OpenBSD.

 Fixes PR kern/42736


 To generate a diff of this commit:
 cvs rdiff -u -r1.15 -r1.16 src/sys/dev/i2c/spdmem.c

 Please note that diffs are not public domain; they are subject to the
 copyright notices on the relevant files.

State-Changed-From-To: open->feedback
State-Changed-By: pgoyette@NetBSD.org
State-Changed-When: Tue, 23 Feb 2010 00:15:58 +0000
State-Changed-Why:
Fix committed.  Waiting for confirmation from originator.


State-Changed-From-To: feedback->closed
State-Changed-By: pgoyette@NetBSD.org
State-Changed-When: Thu, 20 May 2010 11:07:55 +0000
State-Changed-Why:
Code was fixed.


>Unformatted:

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