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Message-ID: <ZFqO3xVnmhL7zv1x@debian-BULLSEYE-live-builder-AMD64>
Date:   Tue, 9 May 2023 14:20:15 -0400
From:   Eric Whitney <enwlinux@...il.com>
To:     jack@...e.cz
Cc:     linux-ext4@...r.kernel.org
Subject: 6.4-rc1 xfstests-bld adv regressions

Hi Jan:

I'm seeing two test regressions on 6.4-rc1 while running the adv test case
with kvm-xfstests.  Both tests fail with 100% reliability in 100 trial runs,
and the failures appear to depend solely upon the fast commit mount option.

The first is generic/065, where the relevant info from 065.full is:

_check_generic_filesystem: filesystem on /dev/vdc is inconsistent
*** fsck.ext4 output ***
fsck from util-linux 2.36.1
e2fsck 1.47.0 (5-Feb-2023)
Pass 1: Checking inodes, blocks, and sizes
Pass 2: Checking directory structure
Pass 3: Checking directory connectivity
Pass 4: Checking reference counts
Pass 5: Checking group summary information
Directories count wrong for group #16 (4294967293, counted=0).


The second is generic/535, where the test output is:

     QA output created by 535
     Silence is golden
    +Before: 755
    +After : 777

Both test failures bisect to:  e360c6ed7274 ("ext4: Drop special handling of
journalled data from ext4_sync_file()").  Reverting this patch eliminates the
test failures.  So, I thought I'd bring these to your attention.

Eric

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