On Mon, Feb 21, 2011 at 05:55:41PM +0100, Guido Hecken wrote:
> Konrad,
>
> thanks for the fast response and your hint.
> I suppose, I 'll have to recompile the debian standard kernel to integrate
> these patches or did I miss something?
> If so, this drives me back to a non-standard system which I can't update by
> normal system-tools without taking special care.
> Is there any other way to integrate these patches?
>
That's why Debian needs to integrate those patches to their kernel.
They've been in xen/stable-2.6.32.x branch for around 5 months already.
-- Pasi
> regards,
> Guido
>
> -----Ursprüngliche Nachricht-----
> Von: Konrad Rzeszutek Wilk [mailto:konrad.wilk@xxxxxxxxxx]
> Gesendet: Montag, 21. Februar 2011 17:16
> An: Guido Hecken
> Cc: Pasi Kärkkäinen; xen-devel@xxxxxxxxxxxxxxxxxxx
> Betreff: Re: [Xen-devel] [Xen-dev] kernel BUG at arch/x86/xen/mmu.c:1860!
>
> 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".
>
>
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> Xen-devel@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-devel
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