kernel panic after 5.2 RELEASE --> 5.2.1, DELL PE2650, SCSI

[Scott Long]

Jason M. Leonard wrote:
> On Tue, 17 Feb 2004, Jason M. Leonard wrote:
> 
> 
>>On Tue, 17 Feb 2004, Scott Long wrote:
>>
>>
>>>Lachlan O'Dea wrote:
>>>
>>>>-----BEGIN PGP SIGNED MESSAGE-----
>>>>Hash: SHA1
>>>>
>>>>On 18 Feb 2004, at 10:41, Scott Long wrote:
>>>>
>>>>
>>>>>Jason M. Leonard wrote:
>>>>>
>>>>>
>>>>>>Without seeing the actual SCSI errors it is hard to say, but I was
>>>>>>experiencing a very similar issue with my PE2650.  Disabling write
>>>>>>caching
>>>>>>on the RAID 1 container cleared it up.  I do not know if that is the
>>>>>>best
>>>>>>way to go about it, but this server had to be in production pronto, so I
>>>>>>was happy.
>>>>>>:Fuzz
>>>>>
>>>>>
>>>>>If there is any way that you could send me the errors that you were
>>>>>getting, I would appreciate it.
> 
> 
> cvsup'd last night...
> 
> lorax.ldc.upenn.edu 5.2-CURRENT FreeBSD 5.2-CURRENT #0: Sun Feb 22
> 01:58:58 EST 2004     fuzz at lorax.ldc.upenn.edu:/usr/obj/usr/src/sys/LORAX
> i386
> 
> Today while doing a portupgrade the machine crashed.  This is what was on
> the console when I got there (copied by hand):
> 
> command 0xc5e280f8 not in queue, flags = 0x5, bit = 0x80
> 
> panic: command not in queue at line 534 in file
> /usr/src/sys/dev/aac/aacvar.h

Thanks for the feedback.  Yeah, I'm aware of this but not having much
luck in fixing it yet (severe lack of time at the moment).  Bumping
AAC_MAX_FIBS back down to 504 again will avoid the problem.

Scott