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

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





--- Comment #45 from Holger Freyther <zecke@xxxxxxxxxxx>  2009-10-14 03:26:23 ---
My idea for reproducing this would be:

$ rm -rf *
$ git checkout .
$ make


and then power cycle/reset during the make. I will report later on this.

One other question (and I'm not familiar with extX code at all). If the
hypothesis would be that the allocated bitmap is corrupted. From where can this
happen?

     - In memory bitmap not written out, journal not claiming these blocks,
reassigning them during runtime?
       This would be a journal bug?

     - Block allocation at runtime forgetting to update the bit and block
allocation assigning the same block again?
       This would sound like a missing lock somewhere?

     - delayed allocation picking the same block?

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