linux-ext4 - [Bug 14354] Bad corruption with 2.6.32-rc1 and upwards

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Date:	Sat, 10 Oct 2009 16:48:58 GMT
From:	bugzilla-daemon@...zilla.kernel.org
To:	linux-ext4@...r.kernel.org
Subject: [Bug 14354] Bad corruption with 2.6.32-rc1 and upwards

http://bugzilla.kernel.org/show_bug.cgi?id=14354





--- Comment #6 from Alexey Fisher <bug-track@...her-privat.net>  2009-10-10 16:48:58 ---
Ok, i think i know now how it's happed. I nneded some time to play to reproduce
it. There is _no_difference_ if you just boot 2.6.32 kernel run fsck and then
boot 2.6.31 kernel and run fsck again - nothing will happen.

here is the way i reproduced it:
1. crash (reset or poweroff) 2.6.32-rc3 kernel,
2. start again in 2.6.32-rc3
3. run fsck it well looks clean.. but some progrums will lost it setting.

4. reboot and start with 2.6.31 kernel
5. run fsck and this will find that ext4 is brocken.
6. after fsck fix it.. many fils will be lost.

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