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Date:   Tue, 28 May 2019 10:58:03 +0500
From:   Mikhail Gavrilov <mikhail.v.gavrilov@...il.com>
To:     Linux List Kernel Mailing <linux-kernel@...r.kernel.org>,
        linux-ext4@...r.kernel.org
Subject: Re: [bugreport] kernel 5.2 pblk bad header/extent: invalid extent entries

On Mon, 27 May 2019 at 21:16, Mikhail Gavrilov
<mikhail.v.gavrilov@...il.com> wrote:
>
> I am bisected issue. I hope it help understand what is happened on my computer.
>
> $ git bisect log
> git bisect start
> # good: [e93c9c99a629c61837d5a7fc2120cd2b6c70dbdd] Linux 5.1
> git bisect good e93c9c99a629c61837d5a7fc2120cd2b6c70dbdd
> # bad: [7e9890a3500d95c01511a4c45b7e7192dfa47ae2] Merge tag
> 'ovl-update-5.2' of
> git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs
> git bisect bad 7e9890a3500d95c01511a4c45b7e7192dfa47ae2
> # good: [80f232121b69cc69a31ccb2b38c1665d770b0710] Merge
> git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next
> git bisect good 80f232121b69cc69a31ccb2b38c1665d770b0710
> # good: [a2d635decbfa9c1e4ae15cb05b68b2559f7f827c] Merge tag
> 'drm-next-2019-05-09' of git://anongit.freedesktop.org/drm/drm
> git bisect good a2d635decbfa9c1e4ae15cb05b68b2559f7f827c
> # good: [ea5aee6d97fd2d4499b1eebc233861c1def70f06] Merge tag
> 'clk-for-linus' of
> git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
> git bisect good ea5aee6d97fd2d4499b1eebc233861c1def70f06
> # good: [47782361aca21a32ad4198f1b72f1655a7c9f7e5] Merge tag
> 'tag-chrome-platform-for-v5.2' of
> ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux
> git bisect good 47782361aca21a32ad4198f1b72f1655a7c9f7e5
> # bad: [55472bae5331f33582d9f0e8919fed8bebcda0da] Merge tag
> 'linux-watchdog-5.2-rc1' of
> git://www.linux-watchdog.org/linux-watchdog
> git bisect bad 55472bae5331f33582d9f0e8919fed8bebcda0da
> # good: [4dbf09fea60d158e60a30c419e0cfa1ea138dd57] Merge tag
> 'mtd/for-5.2' of
> ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/mtd/linux
> git bisect good 4dbf09fea60d158e60a30c419e0cfa1ea138dd57
> # good: [44affc086e6d5ea868c1184cdc5e1159e90ffb71] watchdog:
> ts4800_wdt: Convert to use device managed functions and other
> improvements
> git bisect good 44affc086e6d5ea868c1184cdc5e1159e90ffb71
> # good: [5c09980d9f9de2dc6b255f4f0229aeff0eb2c723] watchdog:
> imx_sc_wdt: drop warning after calling watchdog_init_timeout
> git bisect good 5c09980d9f9de2dc6b255f4f0229aeff0eb2c723
> # good: [345f16251063bcef5828f17fe90aa7f7a5019aab] watchdog: Improve
> Kconfig entry ordering and dependencies
> git bisect good 345f16251063bcef5828f17fe90aa7f7a5019aab
> # good: [988bec41318f3fa897e2f8af271bd456936d6caf] ubifs: orphan:
> Handle xattrs like files
> git bisect good 988bec41318f3fa897e2f8af271bd456936d6caf
> # good: [a65d10f3ce657aa4542b5de78933053f6d1a9e97] ubifs: Drop
> unnecessary setting of zbr->znode
> git bisect good a65d10f3ce657aa4542b5de78933053f6d1a9e97
> # good: [a9f0bda567e32a2b44165b067adfc4a4f56d1815] watchdog: Enforce
> that at least one pretimeout governor is enabled
> git bisect good a9f0bda567e32a2b44165b067adfc4a4f56d1815
> # bad: [d7a02fa0a8f9ec1b81d57628ca9834563208ef33] Merge tag
> 'upstream-5.2-rc1' of
> ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/rw/ubifs
> git bisect bad d7a02fa0a8f9ec1b81d57628ca9834563208ef33
> # good: [04d37e5a8b1fad2d625727af3d738c6fd9491720] ubi: wl: Fix
> uninitialized variable
> git bisect good 04d37e5a8b1fad2d625727af3d738c6fd9491720
> # first bad commit: [d7a02fa0a8f9ec1b81d57628ca9834563208ef33] Merge
> tag 'upstream-5.2-rc1' of
> ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/rw/ubifs
>



Why no one answers?
Even if the problem is known and already fixed, I would be nice to
know that I spent 10 days for searching a problem commit not in vain
and someone reads my messages.


--
Best Regards,
Mike Gavrilov.

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