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xen-devel
Re: [Xen-devel] [Xen-dev] kernel BUG at arch/x86/xen/mmu.c:1860!
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.
Those patches have been in xen/stable-2.6.32.x branch for around 5 months..
-- Pasi
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