Re: [Xen-devel] [Xen-dev] kernel BUG at arch/x86/xen/mmu.c:1860!

[Ian Campbell <ijc@xxxxxxxxxxxxxx>]

On Mon, 2011-02-21 at 16:28 +0000, Pasi KÃrkkÃinen wrote:
> On Mon, Feb 21, 2011 at 11:15:39AM -0500, Konrad Rzeszutek Wilk wrote:
> > On Mon, Feb 21, 2011 at 02:58:53PM +0100, Guido Hecken wrote:
> > > Pasi,
> > > thanks for the quick response.
> > > 
> > > As mentioned in previous posts, creating and afterwards deleting 
> > > snapshots crashes the system.
> > > I can do the following commands only twice, max. three times, before the 
> > > server crashes.
> > 
> > You need these two patches:
> > 
> > b2464c422fb44275deeb5770b668351860f68e0e
> > "x86: hold mm->page_table_lock while doing vmalloc_sync"
> > a8bf92faf72dba6e0dd2130256cb81c3e68f672b
> > "vmalloc: eagerly clear ptes on vunmap".
> >
> 
> Sounds like someone should open a bugreport to debian 
> to add these patches to their kernel.

Yes please. Even if I remember I'll need a bug report to justify the
change for a stable update.

> Those patches have been in xen/stable-2.6.32.x branch for around 5 months..

5 months ago is post the xen.git snapshot used in Squeeze unfortunately
so it missed out.

Ian.

> -- Pasi
> 
> 
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-- 
Ian Campbell
Current Noise: Ludicra - Stagnant Pond

I never said all Democrats were saloonkeepers; what I said was all
saloonkeepers were Democrats.


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