linux-ext4 - [Bug 201685] ext4 file system corruption

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Date:   Sat, 01 Dec 2018 19:49:48 +0000
From:   bugzilla-daemon@...zilla.kernel.org
To:     linux-ext4@...r.kernel.org
Subject: [Bug 201685] ext4 file system corruption

https://bugzilla.kernel.org/show_bug.cgi?id=201685

--- Comment #113 from Rainer Fiebig (jrf@...lbox.org) ---
(In reply to Néstor A. Marchesini from comment #112)
> $ zcat /proc/config.gz |grep DAX
> CONFIG_DAX=m
> # CONFIG_FS_DAX is not set
> 
> DAX I have it as a module, but I've never seen it loaded with lsmod.
> 
> $ cat /sys/block/sda/queue/scheduler
> [none]
> 
> Always use the mounting parameters in my partitions  barrier=1,data=ordered
> 
> $ cat /etc/fstab |grep LABEL
> LABEL=GentooBoot  /boot    ext4   noatime,noauto,barrier=1,data=ordered    0
> 2
> LABEL=GentooSwap  none     swap   swap  0 0
> LABEL=GentooRaiz  /        ext4   noatime,barrier=1,data=ordered   0 1
> LABEL=GentooHome  /home    ext4   noatime,barrier=1,data=ordered   0 2
> 
> Excellent point given by Guenter Roeck in comment 93
> I would have to try to create several trees 4.19.5 and be removed one or two
> at a time,
> to isolate the fault.
> I still use 4.19.5 with the ext4 folder of 4.18.20 and zero problems.
> 
> Regards

Have you given up on your plan to bisect this like suggested in comment 79? 

It would be only 5 steps for those 32 commits. And compile times should be
rather short.

If you know how to reproduce/provoke the errors it could be done within 2 hours
or less.

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