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SubjectRe: 4.7.0-rc7 ext4 error in dx_probe
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On 2016-08-17 23:02, Johannes Stezenbach wrote:
> On Fri, Aug 05, 2016 at 08:11:36PM +0200, Johannes Stezenbach wrote:
>> On Fri, Aug 05, 2016 at 10:02:28AM -0700, Darrick J. Wong wrote:
>>>
>>> When you're back on 4.7, can you apply this patch[1] to see if it fixes
>>> the problem? I speculate that the new parallel dir lookup code enables
>>> multiple threads to be verifying the same directory block buffer at the
>>> same time.
>>>
>>> [1] https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/fs/ext4/inode.c?id=b47820edd1634dc1208f9212b7ecfb4230610a23
>>
>> I added the patch, rebuilt and rebooted. It will take some time
>> before I'll report back since the issue is so hard to reproduce.
>
> FWIW, so far the issue didn't appear again after I applied
> the patch to 4.7.0, and I stressed it a bit with repo syncs,
> AOSP builds, rsync backups etc.

Same here: I've been using 4.7.0+patch daily, and everything is working fine.

Best regards,
--Edwin

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