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Re: scratch filesystem corruptions

To: alexander.tsvetkov@xxxxxxxxxx
Subject: Re: scratch filesystem corruptions
From: Dave Chinner <david@xxxxxxxxxxxxx>
Date: Fri, 7 Nov 2014 08:49:34 +1100
Cc: xfs@xxxxxxxxxxx
Delivered-to: xfs@xxxxxxxxxxx
In-reply-to: <545B541A.60800@xxxxxxxxxx>
References: <545B541A.60800@xxxxxxxxxx>
User-agent: Mutt/1.5.21 (2010-09-15)
On Thu, Nov 06, 2014 at 01:57:30PM +0300, alexander.tsvetkov@xxxxxxxxxx wrote:
> Hello,
> 
> I've noted that the enabling of scratch device post checks after
> xfstests commit
> "common: Check the file system consistency on SCRATCH_DEV" has
> started to show
> the scratch filesystem corruptions for the following tests runs:
> xfs/050,134,187,244,287.
> I have these corruptions reproduced with upstream linux kernel of
> version 3.15 and
> the latest xfsprogs/xfstests. Are these known issues?

# ./check xfs/050 xfs/134 xfs/187 xfs/244 xfs/287
FSTYP         -- xfs (non-debug)
PLATFORM      -- Linux/x86_64 test2 3.18.0-rc2-dgc+
MKFS_OPTIONS  -- -f -bsize=4096 /dev/vdb
MOUNT_OPTIONS -- /dev/vdb /mnt/scratch

xfs/050 3s ... 4s
xfs/134 0s ... 0s
xfs/187 1s ... 1s
_check_xfs_filesystem: filesystem on /dev/vdb is inconsistent (c) (see 
/home/dave/src/xfstests-dev/results//xfs/187.full)
_check_xfs_filesystem: filesystem on /dev/vdb is inconsistent (r) (see 
/home/dave/src/xfstests-dev/results//xfs/187.full)
xfs/244 0s ... 1s
xfs/287 1s ... 0s
Ran: xfs/050 xfs/134 xfs/187 xfs/244 xfs/287
Passed all 5 tests

# cat  ~/results/xfs/187.full
....
_check_xfs_filesystem: filesystem on /dev/vdb is inconsistent
*** xfs_check output ***
sb_features2 (0x2) not same as sb_bad_features2 (0xa)
*** end xfs_check output
.....

The xfs/187 failure needs investigation - that's a bad_features2
mismatch, but it's been way down my list of priorities...

Cheers,

Dave.
-- 
Dave Chinner
david@xxxxxxxxxxxxx

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