Il 22/05/2013 14:24, Stefan Priebe - Profihost AG ha scritto: > Am 22.05.2013 um 10:41 schrieb Paolo Bonzini <pbonz...@redhat.com>: > >> Il 22/05/2013 08:26, Stefan Priebe - Profihost AG ha scritto: >>>> Hi, >>>> >>>> as i can't reproduce no ;-( i just saw the kernel segfault message and >>>> used addr2line and a qemu dbg package to get the code line. >>> >>> I've now seen this again for two or three times. It always happens >>> when we do an fstrim inside the guest. >> >> >>> And I've seen this first since josh async rbd patch. >> >> This one? >> >> commit dc7588c1eb3008bda53dde1d6b890cd299758155 > > Yes. But i'm not sure whether this is coincendence.
Ok. >> Do you see it even with "-drive discard=off"? > > I use discard / trim for thin provisioning and need it. This is a > production system so I can't test without it. > > I use scsi virtio with discard_granularity=512 Note that 1.5.0 won't need this anymore, but it will need "-drive discard=on". Any chance you can try to reproduce it in a different environment? Paolo
