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Date:      Tue, 12 May 1998 04:12:25 +0100
From:      Adrian Wontroba <aw1@stade.co.uk>
To:        freebsd-stable@FreeBSD.ORG
Subject:   Re: SCSI problems?
Message-ID:  <19980512041225.A25178@stade.co.uk>
In-Reply-To: <19980511134321.19151@futuresouth.com>; from Tim Tsai on Mon, May 11, 1998 at 01:43:21PM -0500
References:  <199805101413.SAA01551@px.f1.ru> <9805111442.ZM18802@psv.oss.uswest.net> <35571882.43A9@terranova.net> <19980511134321.19151@futuresouth.com>

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On Mon, May 11, 1998 at 01:43:21PM -0500, Tim Tsai wrote:
>   We haven't seen any of the Adaptec problems since we turned off all
> the AHC_ options in the kernel configuration file.

Hmm. I'll try that and see what happens. I've a similar problem,
probably CD related, with AHC_TAGENABLE and AHC_ALLOW_MEMIO enabled.

I track stable, usually switching every weekend. This Sunday I did
two (relevant) things:

o Make buildworld, installworld, kernel rebuild from a CVSUP done
at circa 0500 GMT on 10 May.

o Replaced the permanently loaded 2.2.5 ports CD with the 2.2.6
equivalent.

Since then, I've had three system crashes. For the third I was
present at the time - the machine locked up, the SCSI access light
came on hard for a while, went out, and the machine only rebooted
when I tried switching consoles (same true of the previous two
crashes too, when I walked in to find the machine non-responsive).

/var/log/messages showed the same footprint for all three crashes:
May 11 06:55:09 titus /kernel: cd0(ahc0:4:0): 
MEDIUM ERROR info:0x98 asc:2,0 No seek complete
......
May 11 07:02:36 titus savecore: 
reboot after panic: vref used where vget required

With the CD unmounted, all seems well.

Larger chunk of the log below. In short, the configuration is a
year old 128 MB Pentium Pro 200, AHA2940AU, MATSHITA CD-ROM CR-506,
3 Fujitsu drives of varying ages, and until now has been, err,
very stable (8-)

Same problem, different symptoms?

May 11 06:55:09 titus /kernel: cd0(ahc0:4:0): MEDIUM ERROR info:0x98 asc:2,0 No seek complete
May 11 07:02:33 titus /kernel: Copyright (c) 1992-1998 FreeBSD Inc.
May 11 07:02:33 titus /kernel: Copyright (c) 1982, 1986, 1989, 1991, 1993
May 11 07:02:33 titus /kernel: 	The Regents of the University of California.  All rights reserved.
May 11 07:02:33 titus /kernel: 
May 11 07:02:33 titus /kernel: FreeBSD 2.2.6-STABLE #0: Sun May 10 11:41:36 BST 1998
May 11 07:02:33 titus /kernel:     koot@titus.stade.co.uk:/d1/FreeBSD-2.2/src/sys/compile/TITUS
May 11 07:02:33 titus /kernel: CPU: Pentium Pro (199.43-MHz 686-class CPU)
May 11 07:02:33 titus /kernel:   Origin = "GenuineIntel"  Id = 0x619  Stepping=9
May 11 07:02:33 titus /kernel:   Features=0xf9ff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,SEP,MTRR,PGE,MCA,CMOV>
May 11 07:02:33 titus /kernel: real memory  = 134217728 (131072K bytes)
May 11 07:02:33 titus /kernel: avail memory = 129372160 (126340K bytes)
May 11 07:02:33 titus /kernel: Probing for devices on PCI bus 0:
May 11 07:02:33 titus /kernel: chip0 <Intel 82440FX (Natoma) PCI and memory controller> rev 2 on pci0:0:0
May 11 07:02:34 titus /kernel: chip1 <Intel 82371SB PCI-ISA bridge> rev 1 on pci0:7:0
May 11 07:02:34 titus /kernel: chip2 <Intel 82371SB IDE interface> rev 0 on pci0:7:1
May 11 07:02:34 titus /kernel: vga0 <VGA-compatible display device> rev 1 int a irq 11 on pci0:11:0
May 11 07:02:34 titus /kernel: bktr0 <BrookTree 848> rev 18 int a irq 15 on pci0:15:0
May 11 07:02:34 titus /kernel: Hauppauge WinCast/TV, Philips FM1216 PAL FM tuner, msp3400c stereo.
May 11 07:02:34 titus /kernel: ahc0 <Adaptec 2940A Ultra SCSI host adapter> rev 1 int a irq 15 on pci0:17:0
May 11 07:02:34 titus /kernel: ahc0: aic7860 Single Channel, SCSI Id=7, 3 SCBs
May 11 07:02:34 titus /kernel: ahc0: target 0 Tagged Queuing Device
May 11 07:02:34 titus /kernel: (ahc0:0:0): "FUJITSU M2954S-512 0147" type 0 fixed SCSI 2
May 11 07:02:34 titus /kernel: sd0(ahc0:0:0): Direct-Access 4149MB (8498506 512 byte sectors)
May 11 07:02:34 titus /kernel: (ahc0:1:0): "FUJITSU M2694ES-512 8134" type 0 fixed SCSI 1
May 11 07:02:34 titus /kernel: sd1(ahc0:1:0): Direct-Access 1033MB (2117025 512 byte sectors)
May 11 07:02:34 titus /kernel: (ahc0:2:0): "HP C1533A 9406" type 1 removable SCSI 2
May 11 07:02:34 titus /kernel: st0(ahc0:2:0): Sequential-Access density code 0x24,  drive empty
May 11 07:02:34 titus /kernel: (ahc0:3:0): "FUJITSU M2622F-512 0405" type 0 fixed SCSI 1
May 11 07:02:34 titus /kernel: sd2(ahc0:3:0): Direct-Access 314MB (644868 512 byte sectors)
May 11 07:02:34 titus /kernel: (ahc0:4:0): "MATSHITA CD-ROM CR-506 8S05" type 5 removable SCSI 2
May 11 07:02:34 titus /kernel: cd0(ahc0:4:0): CD-ROM can't get the size
May 11 07:02:34 titus /kernel: Probing for PnP devices:
May 11 07:02:34 titus /kernel: CSN 1 Vendor ID: CTL00f0 [0xf0008c0e] Serial 0xffffffff
May 11 07:02:34 titus /kernel: PnP: override config for CSN 1 LDN 0 vend_id 0xf0008c0e
May 11 07:02:34 titus /kernel: PnP: override config for CSN 1 LDN 1 vend_id 0xf0008c0e
May 11 07:02:34 titus /kernel: pcm1 (SB16pnp <Vibra16X> sn 0xffffffff) at 0x220 irq 5 drq 0 flags 0x11 id 12
May 11 07:02:34 titus /kernel: Probing for devices on the ISA bus:
May 11 07:02:35 titus /kernel: sc0 at 0x60-0x6f irq 1 on motherboard
May 11 07:02:35 titus /kernel: sc0: VGA color <16 virtual consoles, flags=0x0>
May 11 07:02:35 titus /kernel: sio0 at 0x3f8-0x3ff irq 4 on isa
May 11 07:02:35 titus /kernel: sio0: type 16550A
May 11 07:02:35 titus /kernel: sio1 at 0x2f8-0x2ff irq 3 on isa
May 11 07:02:35 titus /kernel: sio1: type 16550A
May 11 07:02:35 titus /kernel: lpt0 at 0x378-0x37f irq 7 on isa
May 11 07:02:35 titus /kernel: lpt0: Interrupt-driven port
May 11 07:02:35 titus /kernel: lp0: TCP/IP capable interface
May 11 07:02:35 titus /kernel: psm0 at 0x60-0x64 irq 12 on motherboard
May 11 07:02:35 titus /kernel: psm0: model Generic PS/2 mouse, device ID 0
May 11 07:02:35 titus /kernel: pcm0 not found at 0xffffffff
May 11 07:02:35 titus /kernel: fdc0 at 0x3f0-0x3f7 irq 6 drq 2 on isa
May 11 07:02:35 titus /kernel: fdc0: FIFO enabled, 8 bytes threshold
May 11 07:02:35 titus /kernel: fd0: 1.44MB 3.5in
May 11 07:02:35 titus /kernel: 1 3C5x9 board(s) on ISA found at 0x340
May 11 07:02:35 titus /kernel: ep0 at 0x340-0x34f irq 10 on isa
May 11 07:02:35 titus /kernel: ep0: aui/utp/bnc[*UTP*] address 00:60:97:94:d0:e7
May 11 07:02:35 titus /kernel: npx0 on motherboard
May 11 07:02:35 titus /kernel: npx0: INT 16 interface
May 11 07:02:35 titus /kernel: WARNING: / was not properly dismounted.
May 11 07:02:36 titus savecore: reboot after panic: vref used where vget required
May 11 07:02:36 titus savecore: writing core to /var/crash/vmcore.2
May 11 07:03:28 titus savecore: writing kernel to /var/crash/kernel.2

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