From: "Arkadiusz Bubała" <arkadiusz.bubala@open-e.com>
To: xfs@oss.sgi.com
Subject: Re: [BUG] XFS: Assertion failed: atomic_read(&pag->pag_ref) == 0, file: fs/xfs/xfs_mount.c, line: 272
Date: Wed, 22 May 2013 10:11:03 +0200 [thread overview]
Message-ID: <519C7D97.50909@open-e.com> (raw)
In-Reply-To: <20130521233937.GX29466@dastard>
Hello,
> On Tue, May 21, 2013 at 02:23:20PM +0200, Arkadiusz Bubała wrote:
>
>> Hello,
>> I've got a call trace which should be fixed by "drop buffer io
>> reference when a bad bio is built" patch
>> (http://patchwork.xfs.org/patch/3956/). Error occured on already
>> patched Linux kernel 3.2.42.
>>
> That's an old kernel. Can you reproduce on a current TOT kernel?
> It's entirely possible that this problem has been fixed as we
> definitely mae some changes to the mount error handling path since
> 3.2....
>
>
Ok. I'll try.
>> Test environment consist two machines target and initiator.
>> First machine works as target with QLogic Corp. ISP2432-based 4Gb
>> Fibre Channel device. Storage is placed on two KINGSTON SNV425S SSD
>> working as RAID0 array. RAID is managed by LSI MegaRAID SAS 1068
>> controller.
>> Second machine works as initiator with the same QLogic card.
>>
>> After few days of running test script I got following call trace and
>> XFS stopped working.
>>
> Can you narrow this down from "takes several days" to the simplest
> possible reproducer? It happened due to IO errors during mount, so
> maybe you can did that part out of your script and give us a test
> case that reproduces on the first mount?
>
>
I 'll try. This errors occurs only on heavy load.
Is there any possibility to simulate I/O errors on XFS filesystem?
--
Best regards
Arkadiusz Bubała
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next prev parent reply other threads:[~2013-05-22 8:11 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-05-21 12:23 [BUG] XFS: Assertion failed: atomic_read(&pag->pag_ref) == 0, file: fs/xfs/xfs_mount.c, line: 272 Arkadiusz Bubała
2013-05-21 12:31 ` Arkadiusz Bubała
2013-05-21 18:26 ` Ben Myers
2013-05-22 8:06 ` Arkadiusz Bubała
2013-05-21 23:39 ` Dave Chinner
2013-05-22 8:11 ` Arkadiusz Bubała [this message]
2013-05-22 14:04 ` Eric Sandeen
2013-05-27 12:40 ` Arkadiusz Bubała
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