[Bug 32982] Kernel locks up a few minutes after boot

bugzilla-daemon at bugzilla.kernel.org bugzilla-daemon at bugzilla.kernel.org
Sun Apr 17 11:20:47 PDT 2011


--- Comment #9 from Rafael J. Wysocki <rjw at sisk.pl>  2011-04-17 18:20:39 ---
On Sunday, April 17, 2011, Linus Torvalds wrote:
> 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

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