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


  • To: Pasi Kärkkäinen <pasik@xxxxxx>
  • From: "Guido Hecken" <guido.hecken@xxxxxxxxxxxxx>
  • Date: Mon, 21 Feb 2011 20:44:49 +0100
  • Cc: xen-devel@xxxxxxxxxxxxxxxxxxx
  • Delivery-date: Mon, 21 Feb 2011 11:45:42 -0800
  • List-id: Xen developer discussion <xen-devel.lists.xensource.com>
  • Thread-index: AcvR6PfPxjYHj44oRQWQqKR60alJTwAFXsHQ
  • Thread-topic: [Xen-devel] [Xen-dev] kernel BUG at arch/x86/xen/mmu.c:1860!

I have opened a bug report at debian.org on this problem.
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=614400

Thanks for your time

regards,
Guido

-----Ursprüngliche Nachricht-----
Von: Pasi Kärkkäinen [mailto:pasik@xxxxxx] 
Gesendet: Montag, 21. Februar 2011 18:01
An: Guido Hecken
Cc: Konrad Rzeszutek Wilk; xen-devel@xxxxxxxxxxxxxxxxxxx
Betreff: Re: [Xen-devel] [Xen-dev] kernel BUG at arch/x86/xen/mmu.c:1860!

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".
> 
> 
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-devel


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