[Bug 89621] EXT4-fs error (device dm-1): ext4_mb_release_inode_pa:3773: group 24089, free 34, pa_free 32

[bugzilla-daemon@bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=89621

--- Comment #3 from Theodore Tso <tytso@mit.edu> ---
Well, was this a one-time thing or can you easily reproduce this error?   The
problem is that almost anything can cause this --- bad memory, a wild pointer
derference coming from a proprietary video driver from Nvidia, etc.   And by
the time we get the ext4-error, basically what we have is the dead body lying
in the alley.   Where the bullet came from, and from what direction, and who
fired the gun, is not something that will be immediately evident; just that we
have a very specific kind of inconsistency between the allocation bitmap and
the block group summary statistics.  So in order to track it down, we need to
be able to try to isolate causes.   So for example, does the problem show up if
you use the latest bleeding edge kernel from mainline, etc.

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