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SubjectRe: [ANNOUNCE] 3.0.8-rt22
On Tue, Nov 08, 2011 at 05:44:52PM -0600, Clark Williams wrote:
> On Tue, 8 Nov 2011 22:02:32 +0100 (CET)
> Thomas Gleixner <tglx@linutronix.de> wrote:
>
> > On Tue, 8 Nov 2011, Clark Williams wrote:
> > > Got the following splat on boot (f15 64-bit laptop, quad-core i7):
> > >
> > > [ 146.609030]
> > > [ 146.609031] =======================================================
> > > [ 146.609033] [ INFO: possible circular locking dependency detected ]
> > > [ 146.609035] 3.0.8-rt22+ #27
> > > [ 146.609036] -------------------------------------------------------
> > > [ 146.609038] dconf-service/9046 is trying to acquire lock:
> > > [ 146.609040] (&sb->s_type->i_mutex_key#13){+.+.+.}, at: [<ffffffff811adcc4>] ext4_evict_inode+0x44/0x26f
> > > [ 146.609047]
> > > [ 146.609048] but task is already holding lock:
> > > [ 146.609049] (&mm->mmap_sem){++++++}, at: [<ffffffff81108ee6>] sys_munmap+0x36/0x5b
> > > [ 146.609053]
> >
> > That's an upstream problem which got pulled into 3.0 stable via commit
> > 2526f36894 (upstream 2581fdc810) but lacks the followup upstream fix
> > . The latter unfortunately has no Cc: stable tag ....
> >
> > Ted?
> >
> > Thanks,
> >
> > tglx
>
>
> Thanks Thomas. I cherry-picked 8c0bec2, rebuilt with the same config
> and have booted the resulting kernel with no lockdep splats.

Great, I've queued it up for the next 3.0-stable release.

greg k-h


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