From mboxrd@z Thu Jan 1 00:00:00 1970 From: Joerg Roedel Subject: Re: bugreport: guest crashes on reboot in KVM 65 on AMD Date: Mon, 14 Apr 2008 12:51:07 +0200 Message-ID: <20080414105107.GB6567@amd.com> References: <48020F57.9030907@logix.net.nz> <48032742.1040400@qumranet.com> <20080414102700.GA6567@amd.com> <4803321E.1080004@qumranet.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Cc: kvm-devel@lists.sourceforge.net, Marcelo Tosatti , Michal Ludvig To: Avi Kivity Return-path: Content-Disposition: inline In-Reply-To: <4803321E.1080004@qumranet.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: kvm-devel-bounces@lists.sourceforge.net Errors-To: kvm-devel-bounces@lists.sourceforge.net List-Id: kvm.vger.kernel.org On Mon, Apr 14, 2008 at 01:29:50PM +0300, Avi Kivity wrote: > Joerg Roedel wrote: > >Only the state saved in the VMCB is undefined after an intercepted > >shutdown event. > > The vmcb stores two types of states, guest state and control > information. Are both undefined? Only the guest state is undefined. > > >I am not sure if I understand your second question, what > >do you mean with "core melting down" vs. guest initiated shutdown? > > > > IIRC shutdown can occur not only as a result of triple faults, due to > other internal errors or inconsistent state. Not sure about that > though. No, there is no way to to differentiate between a shutdown caused by a triple fault and other shutdown situations. If the shutdown event is caused by a too hot processor it is not intercepted. This situation is handled like a normal cpu shutdown. -- | AMD Saxony Limited Liability Company & Co. KG Operating | Wilschdorfer Landstr. 101, 01109 Dresden, Germany System | Register Court Dresden: HRA 4896 Research | General Partner authorized to represent: Center | AMD Saxony LLC (Wilmington, Delaware, US) | General Manager of AMD Saxony LLC: Dr. Hans-R. Deppe, Thomas McCoy ------------------------------------------------------------------------- This SF.net email is sponsored by the 2008 JavaOne(SM) Conference Don't miss this year's exciting event. There's still time to save $100. Use priority code J8TL2D2. http://ad.doubleclick.net/clk;198757673;13503038;p?http://java.sun.com/javaone