Date: Mon, 06 Oct 1997 15:31:49 -0700 From: kachun@zippo.com (Kachun Lee) To: freebsd-scsi@freebsd.org Cc: freebsd-stable@freebsd.org Subject: Re: AHC error messages with 2.2.5-BETA Message-ID: <199710062238.PAA25655@dopey.pathlink.com> In-Reply-To: <616rbe$758@news.pathlink.com> References: <616rbe$758@news.pathlink.com>
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In article <616rbe$758@news.pathlink.com>, you say...
>
>I has a P6 200mhz system running 2.2-releng to the latest 2.2.5-BETA that
>had 2 2740 controllers. I replaced 1 of 2740 with a 3740 when I added an
>extra drive to it and splitted 12 drives into 3 channels. The system has
>been generating the following errors about twice a day with different
>drives/ahc channel...
>
>Oct 4 16:16:39 clark /kernel: ahc1: WARNING no command for scb 99 (cmdcmplt)
>Oct 4 16:16:39 clark /kernel: QOUTCNT == 1
> [snip]
The above system crashed twice (same sd8, which was running for 1 yr with the 2740) during
the past couple days. I can't tell if it is specific to 2.2.5-BETA, since I exchanged a
2740 with a 3740 then upgraded to 2.2.5-BETA.
In the meantime, I am trying to do something by disabled SCBPAGING.
Any comment would be greately appreciated.
Best regards.
---------------------------------------------------------
sd8(ahc1:10:0): Target Busy
sd8(ahc1:10:0): Target Busy
sd8(ahc1:10:0): Target Busy
sd8(ahc1:10:0): Target Busy
sd8(ahc1:10:0): Target Busy
sd8(ahc1:10:0): Target Busy
sd8(ahc1:10:0): Target Busy
sd8(ahc1:10:0): Target Busy
sd8(ahc1:10:0): Target Busy
sd8(ahc1:10:0): Target Busy
sd8(ahc1:10:0): ABORTED COMMAND asc:4e,0 Overlapped commands attempted field rep
laceable unit: 1
, retries:4
sd8(ahc1:10:0): SCB 0x7 - timed out while idle, LASTPHASE == 0x1, SCSISIGI == 0xe6
SEQADDR = 0x5 SCSISEQ = 0x12 SSTAT0 = 0x27 SSTAT1 = 0xb
Ordered Tag queued
Ordered Tag sent
sd8(ahc1:10:0): SCB 0x7 - timed out while idle, LASTPHASE == 0x1, SCSISIGI == 0xe6
SEQADDR = 0x6 SCSISEQ = 0x12 SSTAT0 = 0x27 SSTAT1 = 0xb
sd8(ahc1:10:0): Queueing an Abort SCB
sd8(ahc1:10:0): Abort Message Sent
sd8(ahc1:10:0): SCB 7 - Abort Tag Completed.
sd8(ahc1:10:0): no longer in timeout
ahc1: WARNING no command for scb 0 (cmdcmplt)
QOUTCNT == 1
sd9(ahc1:11:0): SCB 0x5 - timed out while idle, LASTPHASE == 0x1, SCSISIGI == 0x0
SEQADDR = 0x6 SCSISEQ = 0x12 SSTAT0 = 0x5 SSTAT1 = 0xa
Ordered Tag queued
Ordered Tag sent
sd9(ahc1:11:0): SCB 0x5 - timed out while idle, LASTPHASE == 0x1, SCSISIGI == 0x0
SEQADDR = 0x7 SCSISEQ = 0x12 SSTAT0 = 0x5 SSTAT1 = 0xa
sd9(ahc1:11:0): Queueing an Abort SCB
sd9(ahc1:11:0): Abort Message Sent
sd9(ahc1:11:0): SCB 5 - Abort Tag Completed.
sd9(ahc1:11:0): no longer in timeout
sd8(ahc1:10:0): data overrun of 16736233 bytes detected in Data-In phase. Tag =
= 0x0. Forcing a retry.
sd8(ahc1:10:0): Have seen Data Phase. Length = 40960. NumSGs = 10.
sg[0] - Addr 0xc852000 : Length 4096
sg[1] - Addr 0xbad3000 : Length 4096
sg[2] - Addr 0x9ad4000 : Length 4096
sg[3] - Addr 0x995000 : Length 4096
sg[4] - Addr 0x8ad8000 : Length 4096
sg[5] - Addr 0x4357000 : Length 4096
sg[6] - Addr 0xbd8000 : Length 4096
sg[7] - Addr 0x64d9000 : Length 4096
sg[8] - Addr 0x7a9a000 : Length 4096
sg[9] - Addr 0xa89b000 : Length 4096
sd8(ahc1:10:0): data overrun of 16719337 bytes detected in Data-In phase. Tag =
= 0x0. Forcing a retry.
sd8(ahc1:10:0): Haven't seen Data Phase. Length = 40960. NumSGs = 10.
sg[0] - Addr 0xc852000 : Length 4096
sg[1] - Addr 0xbad3000 : Length 4096
sg[2] - Addr 0x9ad4000 : Length 4096
sg[3] - Addr 0x995000 : Length 4096
sg[4] - Addr 0x8ad8000 : Length 4096
sg[5] - Addr 0x4357000 : Length 4096
sg[6] - Addr 0xbd8000 : Length 4096
sg[7] - Addr 0x64d9000 : Length 4096
sg[8] - Addr 0x7a9a000 : Length 4096
sg[9] - Addr 0xa89b000 : Length 4096
Fatal trap 12: page fault while in kernel mode
fault virtual address = 0x513c4073
fault code = supervisor read, page not present
instruction pointer = 0x8:0xf019d510
stack pointer = 0x10:0xefbffac8
frame pointer = 0x10:0xefbffad4
code segment = base 0x0, limit 0xfffff, type 0x1b
= DPL 0, pres 1, def32 1, gran 1
processor eflags = interrupt enabled, resume, IOPL = 0
current process = 107 (nfsd)
interrupt mask =
panic: page fault
syncing disks...
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