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Date: Fri, 23 Aug 2013 08:57:00 -0500
From: Mark Tinguely <tinguely@sgi.com>
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Subject: Re: XFS: Assertion failed: first <= last && last <
	BBTOB(bp->b_length), file: fs/xfs/xfs_trans_buf.c, line: 568
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To: Brian Foster <bfoster@redhat.com>
Cc: xfs@oss.sgi.com

On 08/23/13 08:30, Brian Foster wrote:
> On 08/23/2013 09:18 AM, Mark Tinguely wrote:
>> On 08/22/13 13:28, Brian Foster wrote:
>>> Hi all,
>>>
>>> I hit an assert on a debug kernel while beating on some finobt work and
>>> eventually reproduced it on unmodified/TOT xfs/xfsprogs as of today. I
>>> hit it through a couple different paths, first while running fsstress on
>>> a CRC enabled filesystem (with otherwise default mkfs options):
>>>
>>> (These tests are running on a 4p, 4GB VM against a 100GB virtio disk,
>>> hosted on a single spindle desktop box).
>>
>> Eeek.
>>
>> So both crashes are directory related. What is the top XFS kernel commit
>> for these tests?
>>
>
> Hi Mark,
>
> It was the latest from at some point yesterday. I don't think I've
> pulled since, so I'm at:
>
> 3e3c51ce xfs: add xfs sb v4 support for dirent filetype field
>
>> Have you seen this on earlier versions of the kernel?
>>
>
> Well I hit an issue first on my dev. branch for finobt hacking, which is
> currently based on a slightly older commit:
>
> 2c2bcc07 xfs: call roundup_64() to calculate the min_logblks
>
> Unfortunately I don't have the precise error/stack from that failure on
> hand to double check whether it's the exact same failure. I can try to
> regenerate it a bit later today.
>
> Brian
>
>> Thanks,
>>
>> --Mark.
>
Good, I just want to make sure the common directory mods for the file 
type patch was not the cause. I will try to recreate it too.

Thanks.

--Mark.


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