From: bugzilla-daemon@bugzilla.kernel.org
To: linux-ext4@vger.kernel.org
Subject: [Bug 201685] ext4 file system corruption
Date: Sun, 02 Dec 2018 16:57:57 +0000 [thread overview]
Message-ID: <bug-201685-13602-QKgx1M949K@https.bugzilla.kernel.org/> (raw)
In-Reply-To: <bug-201685-13602@https.bugzilla.kernel.org/>
https://bugzilla.kernel.org/show_bug.cgi?id=201685
Jukka Santala (donwulff@nic.fi) changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |donwulff@nic.fi
--- Comment #150 from Jukka Santala (donwulff@nic.fi) ---
Whole block corrupted at once with each inode/file returning "Structure needs
cleaning" and bad extra_isizes in syslog while three hours in doing plain cp
-ax from ext4 to BTRFS mdraid in Ubuntu 18.04.1 mainline kernel 4.19.6 in init
level 1 (Ubuntu rescue mode with almost nothing else running).
Saved the corrupted block via debugfs, filesystem mounts read-only, dropped
disk caches and block is fine again with files accessible. Seeing if I can find
the corrupted block contents anywhere else in the filesystem. Error first
happened for me in 4.19.5 after running cleanly for days, now it comes
constantly.
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2018-11-13 19:42 [Bug 201685] New: ext4 file system corruption bugzilla-daemon
2018-11-14 21:20 ` [Bug 201685] " bugzilla-daemon
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2018-12-05 10:03 ` bugzilla-daemon
2018-12-05 10:17 ` [Bug 201685] Incorrect disk writes caused by blk-mq lead to " bugzilla-daemon
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