Re: [Qemu-devel] qemu : rbd block driver internal snapshot and vm_stop is hanging forever

lexandre DERUMIER" <aderum...@odiso.com> > To: "ceph-devel" <ceph-de...@vger.kernel.org> > Cc: "qemu-devel" <qemu-devel@nongnu.org>, jdur...@redhat.com > Sent: Monday, November 9, 2015 5:48:45 AM > Subject: Re: [Qemu-devel] qemu : rbd b

Re: [Qemu-devel] qemu : rbd block driver internal snapshot and vm_stop is hanging forever

(with rbd_cache=false) >> >> >> (@cc jdur...@redhat.com) +1 same to me. Stefan >> >> >> >> - Mail original - >> De: "Denis V. Lunev" <den-li...@parallels.com> >> À: "aderumier" <aderum...@odiso.com>

Re: [Qemu-devel] qemu : rbd block driver internal snapshot and vm_stop is hanging forever

vel@nongnu.org>, jdur...@redhat.com Envoyé: Lundi 9 Novembre 2015 14:42:42 Objet: Re: [Qemu-devel] qemu : rbd block driver internal snapshot and vm_stop is hanging forever Can you reproduce with Ceph debug logging enabled (i.e. debug rbd=20 in your ceph.conf)? If you could attach the log to th

Re: [Qemu-devel] qemu : rbd block driver internal snapshot and vm_stop is hanging forever

h-devel" <ceph-de...@vger.kernel.org>, "qemu-devel" <qemu-devel@nongnu.org> Envoyé: Lundi 9 Novembre 2015 08:22:34 Objet: Re: [Qemu-devel] qemu : rbd block driver internal snapshot and vm_stop is hanging forever On 11/09/2015 10:19 AM, Denis V. Lunev wr

Re: [Qemu-devel] qemu : rbd block driver internal snapshot and vm_stop is hanging forever

Also, this occur only with rbd_cache=false or qemu drive cache=none. If I use rbd_cache=true or qemu drive cache=writeback, I don't have this bug. - Mail original - De: "aderumier" À: "ceph-devel" , "qemu-devel"

[Qemu-devel] qemu : rbd block driver internal snapshot and vm_stop is hanging forever

Hi, with qemu (2.4.1), if I do an internal snapshot of an rbd device, then I pause the vm with vm_stop, the qemu process is hanging forever monitor commands to reproduce: # snapshot_blkdev_internal drive-virtio0 yoursnapname # stop I don't see this with qcow2 or sheepdog block driver for

Re: [Qemu-devel] qemu : rbd block driver internal snapshot and vm_stop is hanging forever

Some other infos: I can reproduce it too with manual snapshot with rbd command #rbd --image myrbdvolume snap create --snap snap1 qemu monitor: #stop This is with ceph hammer 0.94.5. in qemu vm_stop, the only thing related to block driver are bdrv_drain_all(); ret =

Re: [Qemu-devel] qemu : rbd block driver internal snapshot and vm_stop is hanging forever

On 11/09/2015 10:19 AM, Denis V. Lunev wrote: On 11/09/2015 06:10 AM, Alexandre DERUMIER wrote: Hi, with qemu (2.4.1), if I do an internal snapshot of an rbd device, then I pause the vm with vm_stop, the qemu process is hanging forever monitor commands to reproduce: #

Re: [Qemu-devel] qemu : rbd block driver internal snapshot and vm_stop is hanging forever

On 11/09/2015 06:10 AM, Alexandre DERUMIER wrote: Hi, with qemu (2.4.1), if I do an internal snapshot of an rbd device, then I pause the vm with vm_stop, the qemu process is hanging forever monitor commands to reproduce: # snapshot_blkdev_internal drive-virtio0 yoursnapname # stop I

Re: [Qemu-devel] qemu : rbd block driver internal snapshot and vm_stop is hanging forever

anymore. I have tested with last ceph internalis, same problem - Mail original - De: "aderumier" <aderum...@odiso.com> À: "ceph-devel" <ceph-de...@vger.kernel.org>, "qemu-devel" <qemu-devel@nongnu.org> Envoyé: Lundi 9 Novembre 2015 04:54:23