Is this machine running a RAID5 setup or something like that?
There is a known interaction with the new block layer plugging code
and MD. The "hung task" report in that bugzilla looks very much like
that issue. And you do have "root=/dev/md0", so clearly there's some
md thing going on.
And bisecting might not work all that well for it, because I suspect
it ends up being very much a matter of IO patterns how it triggers.
Neil supposedly has a patch for it, but I haven't seen it yet. Neil, Jens?
Linus
On Sun, Apr 17, 2011 at 5:57 AM, Rafael J. Wysocki <rjw@xxxxxxx> wrote:
> This message has been generated automatically as a part of a summary report
> of recent regressions.
>
> The following bug entry is on the current list of known regressions
> from 2.6.38. Please verify if it still should be listed and let the tracking team
> know (either way).
>
>
> Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=32982
> Subject : Kernel locks up a few minutes after boot
> Submitter : Bart Van Assche <bart.vanassche@xxxxxxxxx>
> Date : 2011-04-10 19:55 (8 days old)
>
>
>
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