Re: 2.6.22-rc4-mm2: GPF during suspend to RAM on HPC nx6325

From: Rafael J. Wysocki
Date: Tue Jun 12 2007 - 08:08:07 EST


On Monday, 11 June 2007 16:41, Rafael J. Wysocki wrote:
> On Monday, 11 June 2007 09:17, Tejun Heo wrote:
> > Hello, Rafael.
> >
> > Rafael J. Wysocki wrote:
> > > gregkh-driver-sysfs-use-singly-linked-list-for-sysfs_dirent-tree.patch breaks
> > > suspend to RAM on HPC nx6325 (x86_64).
> > >
> > > With this patch applied I get a general protection fault in mutex_lock+0x15
> > > (kernel/mutex.c:91), called by sysfs_hash_and_remove() (fs/sysfs/inode.c:298),
> > > called by threshold_cpu_callback(), called from _cpu_down().
> >
> > I'm not sure whether this is bug in sysfs or in sysfs handling code in
> > mce_amd and I can't test mce_amd here. Can you please apply the
> > attached patch and post the resulting dmesg including oops?
>
> I'd rather won't be able to get an oops from the affected machine (VGA console
> only), but I'll try it on another one.

Well, I can't reproduce it on any other machine. I'll try to get a camera and
take a picture of the screen from the first one.

Greetings,
Rafael


--
"Premature optimization is the root of all evil." - Donald Knuth
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