From mboxrd@z Thu Jan 1 00:00:00 1970 From: Konrad Rzeszutek Wilk Subject: Re: Xen 4.2.1, linux kernel 3.7.5 crashed while reboot Date: Wed, 27 Feb 2013 10:41:06 -0500 Message-ID: <20130227154106.GF24932@phenom.dumpdata.com> References: <512CC78B.4080606@mfiala.net> <512CEB5C02000078000C1272@nat28.tlf.novell.com> <512CE2C6.3040907@mfiala.net> <512CF1E702000078000C12C7@nat28.tlf.novell.com> <512CE581.7020308@mfiala.net> <512CF62C02000078000C12F1@nat28.tlf.novell.com> <20130226220100.GA22418@phenom.dumpdata.com> <512DD37102000078000C1569@nat28.tlf.novell.com> <512DDB13.5000105@mfiala.net> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Content-Disposition: inline In-Reply-To: <512DDB13.5000105@mfiala.net> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: Michal Fiala Cc: Jan Beulich , xen-devel@lists.xen.org List-Id: xen-devel@lists.xenproject.org On Wed, Feb 27, 2013 at 11:08:19AM +0100, Michal Fiala wrote: > On 02/27/2013 09:35 AM, Jan Beulich wrote: > >>>> On 26.02.13 at 23:01, Konrad Rzeszutek Wilk wrote: > >> The thing is is that native_machine_emergency_restart is not suppose > >> to be called. The baremetal machine_ops has that, but we over-write > >> it with our own and he should get: > >> > >> .emergency_restart = xen_emergency_restart, > >> > >> ! So how did his .emergency_restart value get over-written by > >> native_machine_emergency_restart? > > > > Indeed. So perhaps the -hardened tag indicates some patching > > having gone on that we're unaware of. Michal - without knowing > > what your kernel does, I don't think we can really help. And > > please remember that this is xen-devel, not xen-users, so we > > expect you to be able to do at least a minimal share of the work > > needed to find out what is going on. First step would probably > > be to try plain 3.7.5 (or subsequent 3.7.x). > > > > Jan > > > > We are using gentoo hardened sources (kernel). Hardened-sources is based > on the official Linux kernel and is targeted at our users running Gentoo > on server systems. It provides patches for the various subprojects of > Gentoo Hardened (such as support for LSM/SELinux and grsecurity), > together with stability/security-enhancements. > See http://www.gentoo.org/doc/en/gentoo-kernel.xml > > I will try gentoo-sources (lightly patched to fix security problems, > kernel bugs, and to increase compatibility with the more uncommon system > architectures) and vanilla-sources (official kernel sources released on > http://www.kernel.org/) Excellent. Thanks. > > Thanks > > Michal > > _______________________________________________ > Xen-devel mailing list > Xen-devel@lists.xen.org > http://lists.xen.org/xen-devel >