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Date: Wed, 18 Feb 2004 04:08:25 +0200
From: Alexandr Kovalenko <never@nevermind.kiev.ua>
To: "Lachlan O'Dea" <odela01@ca.com>
Message-ID: <20040218020825.GA98635@nevermind.kiev.ua>
References: <20040217102453.V59439@lorax.ldc.upenn.edu>
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cc: freebsd-current@freebsd.org
cc: "Jason M. Leonard" <fuzz@ldc.upenn.edu>
cc: Raphael.Becker@gmx.de
Subject: Re: kernel panic after 5.2 RELEASE --> 5.2.1, DELL PE2650, SCSI
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Hello, Lachlan O'Dea!

On Wed, Feb 18, 2004 at 11:03:07AM +1100, you 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.
> 
> Hi Scott,
> 
> This may be completely unrelated, but I just went from 5.2-RELEASE to 
> 5.2.1-RC2. After a while started seeing lots of these on the console:
> 
> aac0: command 0xXXXXXX timeout after 8597 seconds

Probably you should try to workaround this by changing 
#define AAC_MAX_FIBS            512
to
#define AAC_MAX_FIBS            504
in
/usr/src/sys/dev/aac/aacvar.h and recompiling kernel.

This helped me. (thanks to scottl@)

> and, less often:
> 
> swap_pager: indefinite wait buffer: device: aacd0s1e , blkno: 2, size: 
> 4096

Never seen this error.

-- 
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Ukrainian FreeBSD User Group
http://uafug.org.ua/