linux-ext4 - Re: [PATCH 4.19 000/105] 4.19.45-stable review

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Message-ID: <20190521085956.GC31445@kroah.com>
Date:   Tue, 21 May 2019 10:59:56 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org, torvalds@...ux-foundation.org,
        akpm@...ux-foundation.org, linux@...ck-us.net, shuah@...nel.org,
        patches@...nelci.org, ben.hutchings@...ethink.co.uk,
        lkft-triage@...ts.linaro.org, stable@...r.kernel.org,
        linux-ext4@...r.kernel.org,
        Arthur Marsh <arthur.marsh@...ernode.on.net>,
        Richard Weinberger <richard.weinberger@...il.com>,
        Theodore Ts'o <tytso@....edu>
Subject: Re: [PATCH 4.19 000/105] 4.19.45-stable review

On Mon, May 20, 2019 at 05:23:42PM -0500, Dan Rue wrote:
> 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

Odd, I keep hearing rumors of ext4 issues right now, but nothing
actually solid that I can point to.  Any help you can provide here would
be great.

thanks,

greg k-h