On Tue, Jan 31 2006, Dave Jones wrote:
> On Tue, Jan 31, 2006 at 10:09:45AM +0100, Jens Axboe wrote:
> > On Tue, Jan 31 2006, Dave Jones wrote:
> > > Not seen this break for a while, but I just hit it again in 2.6.16rc1-git4.
> > >
> > > Dave
> > >
> > > BUG: spinlock bad magic on CPU#0, pdflush/1128
> > > lock: ffff81003a219000, .magic: 00000000, .owner: <none>/-1, .owner_cpu: 0
> > >
> > > Call Trace: <ffffffff80206edc>{spin_bug+177} <ffffffff80207045>{_raw_spin_lock+25}
> > > <ffffffff801fea4a>{cfq_exit_single_io_context+85} <ffffffff801ff9a6>{cfq_exit_io_context+24}
> > > <ffffffff801f79b0>{exit_io_context+137} <ffffffff80135fbc>{do_exit+182}
> > > <ffffffff8010ba49>{child_rip+15} <ffffffff80146087>{keventd_create_kthread+0}
> > > <ffffffff8014629c>{kthread+0} <ffffffff8010ba3a>{child_rip+0}
> > > Kernel panic - not syncing: bad locking
> >
> > Again, which devices have you used?
>
> nothing special (Ie, no usb bits, just the onboard ata_piix SATA)
>
> > Did it happen at shutdown, or?
>
> whislt starting up a bunch of gnome panel applets.
>
> > Did the ub bug get fixed
>
> yes
>
> > if you are using that? The bug above has in the
> > past always been able to be explained by a driver destroying a structure
> > embedding the queue lock before the queue is dead.
>
> as there were no ub devices plugged in at the time, I think
> Pete is off the hook for this one.
The ub fix hasn't been merged yet. Just trying to be absolutely certain
that you didn't have that loaded?
--
Jens Axboe
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