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From: Mike McCarthy <mike@w1nr.net>
To: Bill Davidsen <davidsen@tmr.com>
Cc: Michael Bussmann <bus@mb-net.net>, linux-raid@vger.kernel.org
Subject: Re: Software RAID1 deadlock in 2.6.25 kernels
Date: Tue, 01 Jul 2008 13:00:01 -0400	[thread overview]
Message-ID: <486A6291.20207@w1nr.net> (raw)
In-Reply-To: <486A4E7B.50604@tmr.com>

Bill Davidsen wrote:
> Mike McCarthy wrote:
>> Bill Davidsen wrote:
>>>
>>> Wonder if hardware or software is happening, sounds like an 
>>> mishandled hardware error, but I'm guessing. I have a server with 
>>> RAID1 and Fedora 2.6.22.14-72.fc6PAE kernel, up 72 days, no problems.
>>>
>>
>> 2.6.22 is running fine.  The problems are in the 2.6.25 kernel (FC9 
>> and SUSE 11.0)
>
> Given heavy 2.6.25 use, my guess is still that the root cause of this 
> is hardware, and that the change in disk code either triggers the 
> hardware problem, or handles it differently. Are you by any chance 
> running NCQ on your system?
>
No.  This system and the drives pre-date NCQ.  I think NCQ is only 
implemented in SATA and these are IDE drives.  Sometime over the 
weekend, I am going to reload SUSE 11 and try to do some more debugging.

BTW: It's back to 10.3 (kernel 2.6.22) running happily with a VMware 
server thrashing away at the disks.

Mike


  reply	other threads:[~2008-07-01 17:00 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <48650567.3000501@w1nr.net>
2008-06-27 20:47 ` Software RAID1 deadlock in 2.6.25 kernels Neil Brown
2008-06-30  9:23   ` Gabor Gombas
2008-06-30 11:31     ` Mike McCarthy
2008-06-30 11:59       ` Michael Bussmann
2008-06-30 13:32         ` Bill Davidsen
2008-06-30 13:49           ` Mike McCarthy
2008-06-30 13:56             ` Justin Piszcz
2008-06-30 20:21             ` Richard Scobie
2008-06-30 20:19               ` michael
2008-07-01 19:00                 ` David Rees
2008-07-01 15:34             ` Bill Davidsen
2008-07-01 17:00               ` Mike McCarthy [this message]
2008-07-01 19:45                 ` Michael Bussmann
2008-07-02 10:37                   ` Gabor Gombas
2008-07-02 10:50                     ` Gabor Gombas
2008-07-07 16:07                 ` Bill Davidsen
2008-07-07 18:11                   ` Mike McCarthy
2008-07-08  3:24                     ` Bill Davidsen
2008-07-01 20:21 David Lethe
2008-07-01 21:24 ` michael
2008-07-01 21:42   ` David Rees

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