From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([208.118.235.92]:47879) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UajIv-0008FT-25 for qemu-devel@nongnu.org; Fri, 10 May 2013 05:07:54 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1UajIr-0001wR-WF for qemu-devel@nongnu.org; Fri, 10 May 2013 05:07:52 -0400 Received: from mail-ph.de-nserver.de ([85.158.179.214]:41046) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UajIr-0001wH-Mx for qemu-devel@nongnu.org; Fri, 10 May 2013 05:07:49 -0400 Message-ID: <518CB8E4.5090305@profihost.ag> Date: Fri, 10 May 2013 11:07:48 +0200 From: Stefan Priebe - Profihost AG MIME-Version: 1.0 References: <518C8FD7.9080201@profihost.ag> <20130510074217.GB1500@stefanha-thinkpad.redhat.com> In-Reply-To: <20130510074217.GB1500@stefanha-thinkpad.redhat.com> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] kvm process disappears List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Stefan Hajnoczi Cc: qemu-devel , "pve-devel@pve.proxmox.com" Am 10.05.2013 09:42, schrieb Stefan Hajnoczi: > On Fri, May 10, 2013 at 08:12:39AM +0200, Stefan Priebe - Profihost AG wrote: >> i've now seen this several times. A VM is suddently down no segfault >> nothing the kvm process just disappears... >> >> Anybody any idea how to debug this? >> >> Sadly i can't reproduce. Qemu version is 1.4.1. > > 1. Double-check dmesg(1) for out-of-memory killer or segfaults. done => nothing in there also 120-140GB mem free. > 2. Check libvirt or other management tool logs again. kvm process was started via bash no management tool involved. > 3. Either use gdb or an LD_PRELOAD library that catches exit(3) and > _exit(2) and dumps core using abort(3). Make sure core dumps are > enabled. LD_PRELOAD sounds good can you point me to such a lib? Stefan