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Date: Thu, 12 Feb 2004 08:15:43 -0700
From: Scott Long <scottl@freebsd.org>
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To: Alexandr Kovalenko <never@nevermind.kiev.ua>
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Subject: Re: cvs commit: src/sys/dev/aac aac.c
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Alexandr Kovalenko wrote:
> Hello, Scott Long!
> 
> On Wed, Feb 11, 2004 at 02:34:24AM -0800, you wrote:
> 
> 
>>scottl      2004/02/11 02:34:24 PST
>>
>>  FreeBSD src repository
>>
>>  Modified files:        (Branch: RELENG_5_2)
>>    sys/dev/aac          aac.c 
>>  Log:
>>  MFC: If deferring a command due to lack of card resources, unmap it so that
>>  it will be marked appropriately the next time the queue is run.
> 
> 
> It still panics if stressed using bonnie++ with this wrapper script:
> 
> http://osuosl.org/benchmarks/bc/methodology/bc_bon.pl
> 
> it says:
> 
> command 0xc9028000 not in queue, flags = 0x20, bit=0x80
> panic: command not in queue
> 
> I've used RELENG_5_2 dirver, not current one...
> 
> Any suggestions?
> 

This is very troubling.  Can you change /sys/dev/aac/aacvar.h so that
AAC_MAX_FIBS is defined to 504 instead of 512?

Scott