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

from [Konrad Rzeszutek Wilk]

[Permanent Link][Original]

To:	Guido Hecken <guido.hecken@xxxxxxxxxxxxx>
Subject:	Re: [Xen-devel] [Xen-dev] kernel BUG at arch/x86/xen/mmu.c:1860!
From:	Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
Date:	Mon, 21 Feb 2011 11:15:39 -0500
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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] [Xen-dev] kernel BUG at arch/x86/xen/mmu.c:1860!, Guido Hecken Re: [Xen-devel] [Xen-dev] kernel BUG at arch/x86/xen/mmu.c:1860!, Pasi Kärkkäinen [Xen-devel] [Xen-dev] kernel BUG at arch/x86/xen/mmu.c:1860!, Guido Hecken Re: [Xen-devel] [Xen-dev] kernel BUG at arch/x86/xen/mmu.c:1860!, Konrad Rzeszutek Wilk <= Re: [Xen-devel] [Xen-dev] kernel BUG at arch/x86/xen/mmu.c:1860!, Pasi Kärkkäinen Re: [Xen-devel] [Xen-dev] kernel BUG at arch/x86/xen/mmu.c:1860!, Ian Campbell Re: [Xen-devel] [Xen-dev] kernel BUG at arch/x86/xen/mmu.c:1860!, Fajar A. Nugraha [Xen-devel] [Xen-dev] kernel BUG at arch/x86/xen/mmu.c:1860!, Guido Hecken [Xen-devel] [Xen-dev] kernel BUG at arch/x86/xen/mmu.c:1860!, Guido Hecken Re: [Xen-devel] [Xen-dev] kernel BUG at arch/x86/xen/mmu.c:1860!, Ian Campbell Re: [Xen-devel] [Xen-dev] kernel BUG at arch/x86/xen/mmu.c:1860!, Pasi Kärkkäinen [Xen-devel] [Xen-dev] kernel BUG at arch/x86/xen/mmu.c:1860!, Guido Hecken

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