On Tue, 04 Feb 2014 10:19:56 -0700 Eric Blake <eblake@xxxxxxxxxx> wrote: > On 02/04/2014 09:02 AM, Franky Van Liedekerke wrote: > > Hi, > > > > using libvirt 1.2.0 on a up-to-date Centos6.5 machine leads to > > occasional segmentation faults (see below). > > Sometimes it runs for 5 minutes, sometimes for an hour, but after > > that the result is always the same: segfault after some weird > > qom-list, that apparently the qemu version on centos doesn't know. > > Has 1.2.1 a known fix for this? > > > > Franky (debug log of last crash is below the dotted line) > > > > ------------------------------------------------- > > > > 2014-02-04 15:50:27.351+0000: 9082: error : > > qemuMonitorJSONCheckError:354 : internal error: unable to execute > > QEMU command 'qom-list': The command qom-list has not been found > > Caught Segmentation violation dumping internal log buffer: > > > > Sounds to me like poor fallback - a patch in libvirt was tested > against a newer version of qemu that provides qom-list, but doesn't > gracefully handle older qemu where it doesn't work. > > Are you in a position to bisect which libvirt patch introduced the > problem? It looks like our first use of qom-list was in 1.1.1, with > commit d76a897. Errr ... I don't really know what you mean with bisect ... but tell me what to do, and I'll try my best tomorrow. Franky -- libvir-list mailing list libvir-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/libvir-list