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SubjectRe: [PATCH 4.19 000/105] 4.19.45-stable review
On Mon, May 20, 2019 at 02:13:06PM +0200, Greg Kroah-Hartman wrote:
> This is the start of the stable review cycle for the 4.19.45 release.
> There are 105 patches in this series, all will be posted as a response
> to this one. If anyone has any issues with these being applied, please
> let me know.
>
> Responses should be made by Wed 22 May 2019 11:50:49 AM UTC.
> Anything received after that time might be too late.

We're seeing an ext4 issue previously reported at
https://lore.kernel.org/lkml/20190514092054.GA6949@osiris.

[ 1916.032087] EXT4-fs error (device sda): ext4_find_extent:909: inode #8: comm jbd2/sda-8: pblk 121667583 bad header/extent: invalid extent entries - magic f30a, entries 8, max 340(340), depth 0(0)
[ 1916.073840] jbd2_journal_bmap: journal block not found at offset 4455 on sda-8
[ 1916.081071] Aborting journal on device sda-8.
[ 1916.348652] EXT4-fs error (device sda): ext4_journal_check_start:61: Detected aborted journal
[ 1916.357222] EXT4-fs (sda): Remounting filesystem read-only

This is seen on 4.19-rc, 5.0-rc, mainline, and next. We don't have data
for 5.1-rc yet, which is presumably also affected in this RC round.

We only see this on x86_64 and i386 devices - though our hardware setups
vary so it could be coincidence.

I have to run out now, but I'll come back and work on a reproducer and
bisection later tonight and tomorrow.

Here is an example test run; link goes to the spot in the ltp syscalls
test where the disk goes into read-only mode.
https://lkft.validation.linaro.org/scheduler/job/735468#L8081

Dan

--
Linaro - Kernel Validation

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