From: bugzilla-daemon@bugzilla.kernel.org
Subject: [Bug 23772] New: oops after mounting ext4 fs in 2.6.36.1 (failed to
parse options in superblock)
Date: Thu, 25 Nov 2010 21:23:12 GMT
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Summary: oops after mounting ext4 fs in 2.6.36.1 (failed to
parse options in superblock)
Product: File System
Version: 2.5
Kernel Version: 2.6.36.1
Platform: All
OS/Version: Linux
Tree: Mainline
Status: NEW
Severity: high
Priority: P1
Component: ext4
AssignedTo: fs_ext4@kernel-bugs.osdl.org
ReportedBy: fdziarmagowski@gmail.com
Regression: No
Created an attachment (id=3D38222)
--> (https://bugzilla.kernel.org/attachment.cgi?id=3D38222)
output of tune2fs -l
I've just upgraded kernel to 2.6.36.1 and unfortunately some new featur=
es in
ext4 are deadly for my setup.
Mounting an external usb WD disk causes at first some dmesg activity:
Nov 25 21:10:01 aquarius kernel: EXT4-fs (sdb1): Unrecognized mount opt=
ion
"=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=
=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=
=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=
=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=
=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=
=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=
=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=
=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=
=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF."
or missing value
Nov 25 21:10:01 aquarius kernel: EXT4-fs (sdb1): failed to parse option=
s in
superblock:
=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=
=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=
=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=
=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=
=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=
=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF
=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=
=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=
=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF.
Nov 25 21:10:01 aquarius kernel: EXT4-fs (sdb1): mounted filesystem wit=
h
ordered data mode. Opts:
=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=
=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=
=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=
=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=
=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=
=C3=BF
=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=
=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=
=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=
=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF=C3=BF.; (null)
And this is how it looks like with 2.6.35.x:
Nov 17 06:43:28 aquarius kernel: EXT4-fs (sdb1): recovery complete
Nov 17 06:43:28 aquarius kernel: EXT4-fs (sdb1): mounted filesystem wit=
h
ordered data mode. Opts: data=3Dordered
Just after mounting kernel is generating an oops, locking my system com=
pletely
(sysrq does not work!).
There are no special options passed to mount at mount time:
/dev/disk/by-label/MyBook /mnt/mybook ext4 noauto 0 0
--=20
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