From mboxrd@z Thu Jan 1 00:00:00 1970 From: Pasi =?iso-8859-1?Q?K=E4rkk=E4inen?= Subject: Re: [Xen-dev] kernel BUG at arch/x86/xen/mmu.c:1860! Date: Mon, 21 Feb 2011 19:00:43 +0200 Message-ID: <20110221170043.GI5345@reaktio.net> References: <20110221125804.GA5345@reaktio.net> <20110221161539.GA5041@dumpdata.com> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable Return-path: Content-Disposition: inline In-Reply-To: List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: Guido Hecken Cc: xen-devel@lists.xensource.com, Konrad Rzeszutek Wilk List-Id: xen-devel@lists.xenproject.org On Mon, Feb 21, 2011 at 05:55:41PM +0100, Guido Hecken wrote: > Konrad, >=20 > thanks for the fast response and your hint. > I suppose, I 'll have to recompile the debian standard kernel to integr= ate these patches or did I miss something? > If so, this drives me back to a non-standard system which I can't updat= e by normal system-tools without taking special care. > Is there any other way to integrate these patches? >=20 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 >=20 > -----Urspr=FCngliche Nachricht----- > Von: Konrad Rzeszutek Wilk [mailto:konrad.wilk@oracle.com]=20 > Gesendet: Montag, 21. Februar 2011 17:16 > An: Guido Hecken > Cc: Pasi K=E4rkk=E4inen; xen-devel@lists.xensource.com > Betreff: Re: [Xen-devel] [Xen-dev] kernel BUG at arch/x86/xen/mmu.c:186= 0! >=20 > On Mon, Feb 21, 2011 at 02:58:53PM +0100, Guido Hecken wrote: > > Pasi, > > thanks for the quick response. > >=20 > > As mentioned in previous posts, creating and afterwards deleting snap= shots crashes the system. > > I can do the following commands only twice, max. three times, before = the server crashes. >=20 > You need these two patches: >=20 > b2464c422fb44275deeb5770b668351860f68e0e > "x86: hold mm->page_table_lock while doing vmalloc_sync" > a8bf92faf72dba6e0dd2130256cb81c3e68f672b > "vmalloc: eagerly clear ptes on vunmap". >=20 >=20 > _______________________________________________ > Xen-devel mailing list > Xen-devel@lists.xensource.com > http://lists.xensource.com/xen-devel