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SubjectRe: 3.4.4-rt13: btrfs + xfstests 006 = BOOM.. and a bonus rt_mutex deadlock report for absolutely free!
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On Thu, 2012-07-12 at 15:43 +0200, Thomas Gleixner wrote: 
> On Thu, 12 Jul 2012, Mike Galbraith wrote:
> > On Thu, 2012-07-12 at 15:31 +0200, Thomas Gleixner wrote:
> > > A quick check for memcpy finds that __btrfs_close_devices() does a
> > > memcpy of btrfs_device structs w/o initializing the lock in the new
> > > copy, but I have no idea whether that's the place we are looking for.
> >
> >
> > Cool, you found one, thanks! I'm setting boobytraps.
> >
> > Um, correction, box says I'm setting _buggy_ boobytraps :)
> >
> > Tomorrow-man will test this and frob traps anew.
>
> What kind of test setup do you have? i.e. raid, single disk ...

Yeah, megaraid sas.. x3550 M3.

-Mike



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