Date: Mon, 14 Dec 1998 10:29:08 -0500 (EST) From: spork <spork@super-g.com> To: freebsd-scsi@FreeBSD.ORG Cc: freebsd-stable@FreeBSD.ORG Subject: Re: CAM and -stable Message-ID: <Pine.BSF.4.00.9812141026360.25881-100000@super-g.inch.com> In-Reply-To: <Pine.BSF.4.00.9812111450350.6967-100000@super-g.inch.com>
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Hi,
FWIW, I got the same message today, but the machine didn't lock up. Any
ideas? Anyone? I'm cc-ing stable this time in hopes of finding someone
running cam under -stable...
Here's the messages:
Dec 12 03:44:18 shell /kernel: (da1:ahc0:0:0:1): tagged openings now 31
Dec 13 02:01:04 shell /kernel: (da1:ahc0:0:0:1): tagged openings now 2
Dec 14 02:01:21 shell /kernel: (da0:ahc0:0:0:0): tagged openings now 30
Dec 14 10:07:42 shell /kernel: (da0:ahc0:0:0:0): SCB 0x1c - timed out
while idle, LASTPHASE == 0x1, SCSISIGI == 0x0
Dec 14 10:07:45 shell /kernel: SEQADDR == 0x8
Dec 14 10:07:45 shell /kernel: SSTAT1 == 0xa
Dec 14 10:07:45 shell /kernel: (da0:ahc0:0:0:0): Queuing a BDR SCB
Dec 14 10:07:45 shell /kernel: (da0:ahc0:0:0:0): Bus Device Reset Message
Sent
Dec 14 10:07:45 shell /kernel: (da0:ahc0:0:0:0): no longer in timeout,
status = 34b
Dec 14 10:07:45 shell /kernel: ahc0: Bus Device Reset Sent. 1 SCBs aborted
Charles
---
Charles Sprickman
spork@super-g.com
---
"...there's no idea that's so good you can't
ruin it with a few well-placed idiots."
On Fri, 11 Dec 1998, spork wrote:
> Hi,
>
> I'm about to put two new machines in production, and they're both "core"
> machines; main dns/auth/mail and a shell machine. Currently the machines
> we use in this capacity are 2.1.7.1, and it's been very stable.
>
> Now the new machines share a RAID array hung off of a CMD CRD-5440. I
> patched our usual build (980825 -stable) with the July CAM patchkit, as
> the existing AHC driver couldn't detect any LUNs beyond the first one.
>
> All has been well so far, I've tried to stress the machines as much as
> possible by running some disk benchmarks over and over, but yesterday one
> locked up (console frozen) with the following messages being the last
> thing on the console:
>
> Dec 10 18:13:15 shell /kernel: (da0:ahc0:0:0:0): SCB 0x1e - timed out while idle, LASTPHASE == 0x1, SCSISIGI == 0x0
> Dec 10 18:13:18 shell /kernel: SEQADDR == 0xa
> Dec 10 18:13:18 shell /kernel: SSTAT1 == 0xb
> Dec 10 18:13:18 shell /kernel: (da0:ahc0:0:0:0): Queuing a BDR SCB
> Dec 10 18:13:18 shell /kernel: (da0:ahc0:0:0:0): Bus Device Reset Message Sent
> Dec 10 18:13:18 shell /kernel: (da0:ahc0:0:0:0): no longer in timeout, status = 34b
> Dec 10 18:13:18 shell /kernel: ahc0: Bus Device Reset Sent. 2 SCBs aborted
>
> I had to give it a hard reset at this point.
>
> So my questions are: Is this a known issue? Does it point to a possible
> hardware problem? Will there be a newer cam patchkit for -stable?
>
> I don't think it's a cabling issue, as this is the first I've seen of any
> anomolies with the scsi subsystem, and the only cabling in question here
> is a high quality 2' external UW scsi cable from the back of this machine
> to the RAID array. The other machine that uses the other host port on the
> RAID array remained functional during this glitch...
>
> Any ideas? I was very comfortable with CAM before, but now I'm a little
> nervous about moving this into production. Would it be better to try and
> back out of the patches and use the ahc driver? Let me know if there's
> any other info needed.
>
> Following are the boot messages...
>
> Thanks,
>
> Charles
>
> Dec 10 19:27:32 shell /kernel: Copyright (c) 1992-1998 FreeBSD Inc.
> Dec 10 19:27:32 shell /kernel: Copyright (c) 1982, 1986, 1989, 1991, 1993
> Dec 10 19:27:32 shell /kernel: The Regents of the University of California. All rights reserved.
> Dec 10 19:27:32 shell /kernel:
> Dec 10 19:27:32 shell /kernel: FreeBSD 2.2.7-19980825-SNAP #0: Thu Dec 10 12:02:45 EST 1998
> Dec 10 19:27:32 shell /kernel: spork@shell.inch.com:/usr/src/sys/compile/SHELL
> Dec 10 19:27:32 shell /kernel: CPU: Pentium II (quarter-micron) (350.80-MHz 686-class CPU)
> Dec 10 19:27:32 shell /kernel: Origin = "GenuineIntel" Id = 0x651 Stepping=1
> Dec 10 19:27:32 shell /kernel: Features=0x183f9ff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,SEP,MTRR,PGE,MCA,CMOV,<b16>,<b17>,MMX,<b24>>
> Dec 10 19:27:32 shell /kernel: real memory = 268435456 (262144K bytes)
> Dec 10 19:27:32 shell /kernel: avail memory = 261144576 (255024K bytes)
> Dec 10 19:27:32 shell /kernel: Probing for devices on PCI bus 0:
> Dec 10 19:27:32 shell /kernel: chip0 <generic PCI bridge (vendor=8086 device=7190 subclass=0)> rev 2 on pci0:0:0
> Dec 10 19:27:32 shell /kernel: chip1 <generic PCI bridge (vendor=8086 device=7191 subclass=4)> rev 2 on pci0:1:0
> Dec 10 19:27:32 shell /kernel: chip2 <Intel 82371AB PCI-ISA bridge> rev 2 on pci0:4:0
> Dec 10 19:27:32 shell /kernel: chip3 <Intel 82371AB IDE interface> rev 1 on pci0:4:1
> Dec 10 19:27:32 shell /kernel: chip4 <Intel 82371AB USB interface> rev 1 int d irq 12 on pci0:4:2
> Dec 10 19:27:32 shell /kernel: chip5 <Intel 82371AB Power management controller> rev 2 on pci0:4:3
> Dec 10 19:27:32 shell /kernel: fxp0 <Intel EtherExpress P
> Dec 10 19:27:32 shell /kernel: ro 10/100B Ethernet> rev 5 int a irq 10 on pci0:7:0
> Dec 10 19:27:32 shell /kernel: fxp0: Ethernet address 00:e0:18:90:36:4d
> Dec 10 19:27:32 shell /kernel: ahc0 <Adaptec 2940 Ultra SCSI adapter> rev 1 int a irq 12 on pci0:9:0
> Dec 10 19:27:32 shell /kernel: ahc0: aic7880 Wide Channel A, SCSI Id=7, 16/255 SCBs
> Dec 10 19:27:32 shell /kernel: fxp1 <Intel EtherExpress Pro 10/100B Ethernet> rev 5 int a irq 10 on pci0:10:0
> Dec 10 19:27:32 shell /kernel: fxp1: Ethernet address 00:a0:c9:e7:ac:7d
> Dec 10 19:27:32 shell /kernel: vga0 <VGA-compatible display device> rev 211 int a irq 11 on pci0:11:0
> Dec 10 19:27:32 shell /kernel: Probing for devices on PCI bus 1:
> Dec 10 19:27:32 shell /kernel: Probing for devices on the ISA bus:
> Dec 10 19:27:32 shell /kernel: sc0 at 0x60-0x6f irq 1 on motherboard
> Dec 10 19:27:32 shell /kernel: sc0: VGA color <16 virtual consoles, flags=0x0>
> Dec 10 19:27:32 shell /kernel: sio0 at 0x3f8-0x3ff irq 4 on isa
> Dec 10 19:27:32 shell /kernel: sio0: type 16550A
> Dec 10 19:27:32 shell /kernel: sio1 at 0x2f8-0x2ff irq 3 on isa
> Dec 10 19:27:32 shell /kernel: sio1: type 16550A
> Dec 10 19:27:32 shell /kernel: lpt0 at 0x378-0x37f irq 7 on isa
> Dec 10 19:27:32 shell /kernel: lpt0: Interrupt-driven port
> Dec 10 19:27:32 shell /kernel: lp0: TCP/IP capable interface
> Dec 10 19:27:32 shell /kernel: fdc0 at 0x3f0-0x3f7 irq 6 drq 2 on isa
> Dec 10 19:27:32 shell /kernel: fdc0: FIFO enabled, 8 bytes threshold
> Dec 10 19:27:32 shell /kernel: fd0: 1.44MB 3.5in
> Dec 10 19:27:32 shell /kernel: npx0 flags 0x1 on motherboard
> Dec 10 19:27:32 shell /kernel: npx0: INT 16 interface
> Dec 10 19:27:32 shell /kernel: IP packet filtering initialized, divert enabled, logging limited to 200 packets/entry
> Dec 10 19:27:32 shell /kernel: da0 at ahc0 bus 0 target 0 lun 0
> Dec 10 19:27:32 shell /kernel: da0: <CMD TECH CRD-5440-1 C1-5> Fixed Direct Access SCSI2 device
> Dec 10 19:27:32 shell /kernel: da0: 40.0MB/s transfers (20.0MHz, offset 8, 16bit), Tagged Queueing Enabled
> Dec 10 19:27:32 shell /kernel: da0: 6999MB (14335872 512 byte sectors: 64H 32S/T 6999C)
> Dec 10 19:27:32 shell /kernel: da1 at ahc0 bus 0 target 0 lun 1
> Dec 10 19:27:32 shell /kernel: da1: <CMD TECH CRD-5440-1 C1-5> Fixed Direct Access SCSI2 device
> Dec 10 19:27:32 shell /kernel: da1: 40.0MB/s transfers (20.0MHz, offset 8, 16bit), Tagged Queueing Enabled
> Dec 10 19:27:32 shell /kernel: da1: 10431MB (21362688 512 byte sectors: 64H 32S/T 10431C)
> Dec 10 19:27:32 shell /kernel: WARNING: / was not properly dismounted.
> Dec 10 19:27:32 shell /kernel: nfs server 10.0.0.1:/var/mail: not responding
> Dec 10 19:27:32 shell savecore: no core dump
>
> ---
> Charles Sprickman
> spork@super-g.com
> ---
> "...there's no idea that's so good you can't
> ruin it with a few well-placed idiots."
>
>
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