From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([140.186.70.92]:34913) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QYu38-00035J-OB for qemu-devel@nongnu.org; Tue, 21 Jun 2011 02:02:59 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1QYu37-0002vK-UP for qemu-devel@nongnu.org; Tue, 21 Jun 2011 02:02:58 -0400 Received: from mx1.redhat.com ([209.132.183.28]:32344) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QYu37-0002vC-LT for qemu-devel@nongnu.org; Tue, 21 Jun 2011 02:02:57 -0400 Date: Tue, 21 Jun 2011 09:02:51 +0300 From: Gleb Natapov Message-ID: <20110621060251.GB491@redhat.com> References: <1308577094-17551-1-git-send-email-gollub@b1-systems.de> <20110620153825.GH13042@redhat.com> <4DFF6B20.7090107@redhat.com> <201106201826.32975.gollub@b1-systems.de> <4DFF76B1.8020509@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <4DFF76B1.8020509@redhat.com> Subject: Re: [Qemu-devel] [PATCH 0/2] Introduce panic hypercall List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Avi Kivity Cc: Daniel Gollub , qemu-devel , kvm@vger.kernel.org On Mon, Jun 20, 2011 at 07:34:57PM +0300, Avi Kivity wrote: > >The only two things which came to my mind are: > > > > * NMI (aka. ipmitool diag) - already available in qemu/kvm - but requires > > in-guest kexec/kdump > > * Hardware-Watchdog (also available in qemu/libvirt) > > A watchdog has the advantage that is also detects lockups. > And has disadvantage that all time base heuristics are bite us in the end. -- Gleb.