Re: [libvirt] seg fault when running snapshot-create

On Wed, Apr 21, 2010 at 05:16:21PM -0400, Chris Lalancette wrote: > On 04/21/2010 04:34 PM, Stephen Shaw wrote: >> I'm getting a seg fault when running virsh snapshot-create 1, but only >> when virt-manager is open and connected. >> >> Here is some of the debug info I was able to come up with - >> http://fpaste.org/9GO6/ (bt) >> http://fpaste.org/7gkH/ ('thread apply all bt) >> >> * After the crash >> (gdb) p mon->msg >> $1 = (qemuMonitorMessagePtr) 0x0 >> >> >> nibbler:~ # libvirtd --version >> libvirtd (libvirt) 0.8.0 >> >> >> Please let me know if there is any other information you need. >> Stephen > > Thanks for the report. To be perfectly honest, I can't see how what > happened could happen :). But I'll take a closer look at it and see > if I can reproduce and see what is going on with it. I see thread locking problems in the code - qemuDomainSnapshotCreateXML() is calling monitor commands, but has not run qemuDomainObjBeginJobWithDriver() to ensure exclusive access to the monitor - qemuDomainSnapshotDiscard has same problem