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Date: Fri, 10 May 2013 09:42:17 +0200
From: Stefan Hajnoczi <stefanha@gmail.com>
Message-ID: <20130510074217.GB1500@stefanha-thinkpad.redhat.com>
References: <518C8FD7.9080201@profihost.ag>
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Subject: Re: [Qemu-devel] kvm process disappears
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To: Stefan Priebe - Profihost AG <s.priebe@profihost.ag>
Cc: qemu-devel <qemu-devel@nongnu.org>, "pve-devel@pve.proxmox.com" <pve-devel@pve.proxmox.com>

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.

2. Check libvirt or other management tool logs again.

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.

Stefan