Message-ID: <44209997.9010708@comcast.net>
Date: Tue, 21 Mar 2006 19:25:59 -0500
From: Ed Sweetman <safemode@comcast.net>
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To: Lee Revell <rlrevell@joe-job.com>
CC: linux-kernel@vger.kernel.org, alan@lxorguk.ukuu.org.uk
Subject: Re: 2.6.16-rc6-ide1 irq trap, io hang problem solved?
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Lee Revell wrote:

>On Tue, 2006-03-21 at 18:18 -0500, Ed Sweetman wrote:
>  
>
>>I've seen some traffic here to suggest that the problem was tracked 
>>down, but I saw nothing about it being solved completely.  Currently my 
>>system hangs whenever an irq trap message appears, usually after some 
>>sort of disk io on SATA drives. Is it fixed in the GIT patchset recently 
>>posted or is this still open?  
>>    
>>
>
>Are you referring to the "Losing ticks" bug?  What is the exact error
>message that you get?  Does the system hang momentarily or have to be
>rebooted?
>
>Lee
>
>
>  
>
No not the ticks bug.

ata3: irq trap
ata3: command 0x25 timeout, stat 0x50 host_stat 0x60
ata4: irq trap
ata4: command 0x25 timeout, stat 0x50 host_stat 0x20
ata4: irq trap
ata4: command 0x35 timeout, stat 0x50 host_stat 0x20
ata3: irq trap
ata3: command 0x35 timeout, stat 0x50 host_stat 0x60


Over and over in random orientations.   System hangs on io momentarily, 
usually a few seconds. No fs errors, no other errors given.   System 
also seems to have been kicked out of DMA mode at least for disks. 


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