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From: Stefan Priebe - Profihost AG <s.priebe@profihost.ag>
To: Christoph Hellwig <hch@infradead.org>
Cc: "xfs-masters@oss.sgi.com" <xfs-masters@oss.sgi.com>,
	aelder@sgi.com, "xfs@oss.sgi.com" <xfs@oss.sgi.com>
Subject: Re: xfs deadlock in stable kernel 3.0.4
Date: Wed, 14 Sep 2011 09:26:18 +0200	[thread overview]
Message-ID: <4E70571A.80108@profihost.ag> (raw)
In-Reply-To: <20110913205018.GA8543@infradead.org>

Hi,

Am 13.09.2011 22:50, schrieb Christoph Hellwig:
> On Tue, Sep 13, 2011 at 08:04:36AM +0200, Stefan Priebe - Profihost AG wrote:
>> I just reported it to the scsi list as i didn't knew where the
>> problems is. But then some people told be it must be a XFS problem.
>>
>> Some more informations:
>> 1.) It's running with 2.6.32 and 2.6.38
>> 2.) I can also write to another ext2 part on the same disk
>> array(aacraid driver) while xfs stucks - so i think it must be an
>> xfs problem
>
> That points a bit more towards XFS, although we've seen storage setups
> create issues depending on the exact workload.  The prime culprit for
> used to be the md software RAID driver, though.
>
>> 3.) I've also tried running 3.1-rc5 but then i'm seeing this error:
>>
>> BUG: unable to handle kernel NULL pointer dereference at 000000000000012c
>> IP: [] inode_dio_done+0x4/0x25
>
> Oops, that's a bug that I actually introduced myself.  Fix below:

Thanks for the patch.

Now we have the following situation:

1.) Systems running fine with 2.6.32, 2.6.38 and with 3.1 rc-6 + patch
2.) Sadly it does not run with 3.0.4 for more than 1 hour. And 3.0.X 
will become the next long term stable. So there will be a lot of people 
using it.
3.) I have seen this deadlock on systems with aacraid and with intel 
ahci onboard. (that's all we're using)
4.) I still write to other devices / raids on the same controller while 
the XFS root filesystem hangs.

What can we do / try now / next?

Stefan

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  parent reply	other threads:[~2011-09-14  7:26 UTC|newest]

Thread overview: 49+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-09-10 12:23 xfs deadlock in stable kernel 3.0.4 Stefan Priebe
2011-09-12 15:21 ` Christoph Hellwig
2011-09-12 16:46   ` Stefan Priebe
2011-09-12 20:05     ` Christoph Hellwig
2011-09-13  6:04       ` Stefan Priebe - Profihost AG
2011-09-13 19:31         ` Stefan Priebe - Profihost AG
2011-09-13 20:50         ` Christoph Hellwig
2011-09-13 21:52           ` [xfs-masters] " Alex Elder
2011-09-13 21:58             ` Alex Elder
2011-09-13 22:26               ` Christoph Hellwig
2011-09-14  7:26           ` Stefan Priebe - Profihost AG [this message]
2011-09-14  7:48             ` Stefan Priebe - Profihost AG
2011-09-14  8:49               ` Stefan Priebe - Profihost AG
2011-09-14 14:30                 ` Christoph Hellwig
2011-09-14 14:30               ` Christoph Hellwig
2011-09-14 16:06                 ` Stefan Priebe - Profihost AG
2011-09-18  9:14                 ` Stefan Priebe - Profihost AG
2011-09-18 20:04                   ` Christoph Hellwig
2011-09-19 10:54                     ` Stefan Priebe - Profihost AG
2011-09-18 23:02                   ` Dave Chinner
2011-09-20  0:47                     ` Stefan Priebe
2011-09-20  1:01                       ` Stefan Priebe
2011-09-20 10:09                     ` Stefan Priebe - Profihost AG
2011-09-20 16:02                       ` Christoph Hellwig
2011-09-20 17:23                         ` Stefan Priebe - Profihost AG
2011-09-20 17:24                           ` Christoph Hellwig
2011-09-20 17:35                             ` Stefan Priebe - Profihost AG
2011-09-20 22:30                               ` Christoph Hellwig
2011-09-21  2:11                                 ` [xfs-masters] " Dave Chinner
2011-09-21  7:40                                   ` Stefan Priebe - Profihost AG
2011-09-21 11:42                                     ` Dave Chinner
2011-09-21 11:55                                       ` Stefan Priebe - Profihost AG
2011-09-21 12:26                                       ` Christoph Hellwig
2011-09-21 13:42                                         ` Stefan Priebe
2011-09-21 16:48                                         ` Stefan Priebe - Profihost AG
2011-09-21 17:26                                           ` Stefan Priebe - Profihost AG
2011-09-21 19:01                                         ` Stefan Priebe - Profihost AG
2011-09-21 23:07                                         ` Dave Chinner
2011-09-22 14:14                                           ` Christoph Hellwig
2011-09-22 21:49                                             ` Dave Chinner
2011-09-22 22:01                                               ` Christoph Hellwig
2011-09-23  5:28                                                 ` Stefan Priebe - Profihost AG
2011-09-22  0:53                                       ` Dave Chinner
2011-09-22  5:27                                         ` Stefan Priebe - Profihost AG
2011-09-22  7:52                                           ` Stefan Priebe - Profihost AG
2011-09-21  7:36                                 ` Stefan Priebe - Profihost AG
2011-09-21 11:39                                   ` Christoph Hellwig
2011-09-21 13:39                                     ` Stefan Priebe
2011-09-21 14:17                                       ` Christoph Hellwig

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