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Date: Fri, 11 Nov 2005 08:55:59 -0200
From: "Ricardo A. Reis" <ricardo_bsd@yahoo.com.br>
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To: Niki Denev <nike_d@cytexbg.com>
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Cc: stable@freebsd.org
Subject: Re: ahd0: Invalid Sequencer interrupt occurred.
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Niki,

You read this ...  
http://lists.freebsd.org/pipermail/freebsd-stable/2005-April/013737.html

I'll try  on the weekend,

Ricardo A. Reis
UNIFESP
Unix and Network Admin

>Ricardo A. Reis wrote:
>  
>
>>Hi all,
>>
>>The University where i work recent  acquire a new server, i install
>>FreeBSD 6.0 and update for STABLE yestarday,
>>in dmesg i see this messages""
>>
>>
>>ahd0: Invalid Sequencer interrupt occurred.
>>
>>
>>    
>>
>
>I've had similar problems with Dual channel U320 adaptec
>controller (built in on supermicro board) and Seagate U320 drives.
>The solution was to force the drives to U160 speed from the BIOS,
>and split the drives equaly on the two channels to reduce the bottleneck.
>
>--niki
>  
>