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