Hi, Can you please attach full engine and vdsm logs? *Regards,* *Shani Leviim* On Fri, Feb 23, 2018 at 6:05 PM, pengyixiang <yxpengi386@163.com> wrote:
hello I found if we retore snapshot, memory cannot be restored, I test it with ovirt-4.1.2、vdsm-4.17.0 and libvirt-3.0.0, and i get some errors in [1],it seems vm not paused in creating snapshot, but self._underlyingCont() called in vm starting, so error occurs, then vm is started in libvirt but shutdowned in vdsm, changes in [2], then it works well.
[1] 2018-02-12 19:39:23,830+0800 ERROR (vm/d7be0fde) [virt.vm] (vmId='d7be0fde-f9b9-4447-a250-2453482faef9') The vm start process failed (vm:662) Traceback (most recent call last): File "/usr/share/vdsm/virt/vm.py", line 607, in _startUnderlyingVm self._completeIncomingMigration() File "/usr/share/vdsm/virt/vm.py", line 3268, in _completeIncomingMigration self.cont() File "/usr/share/vdsm/virt/vm.py", line 1128, in cont self._underlyingCont() File "/usr/share/vdsm/virt/vm.py", line 3368, in _underlyingCont self._dom.resume() File "/usr/lib/python2.7/dist-packages/vdsm/virt/virdomain.py", line 69, in f ret = attr(*args, **kwargs) File "/usr/lib/python2.7/dist-packages/vdsm/libvirtconnection.py", line 123, in wrapper ret = f(*args, **kwargs) File "/usr/lib/python2.7/dist-packages/vdsm/utils.py", line 926, in wrapper return func(inst, *args, **kwargs) File "/usr/lib/python2.7/dist-packages/libvirt.py", line 1905, in resume if ret == -1: raise libvirtError ('virDomainResume() failed', dom=self) libvirtError: Requested operation is not valid: domain is already running
[2] --- a/Linx_Node/node_iso/install_script/py/vdsm/vdsm/virt/vm.py +++ b/Linx_Node/node_iso/install_script/py/vdsm/vdsm/virt/vm.py @@ -3677,6 +3677,8 @@ class Vm(object): else: snapFlags |= libvirt.VIR_DOMAIN_SNAPSHOT_CREATE_DISK_ONLY
+ self._underlyingPause() + # When creating memory snapshot libvirt will pause the vm should_freeze = not (memoryParams or frozen)
@@ -3734,6 +3736,8 @@ class Vm(object): if memoryParams: self.cif.teardownVolumePath(memoryVol)
+ self._underlyingCont() + # Returning quiesce to notify the manager whether the guest agent # froze and flushed the filesystems or not. quiesce = should_freeze and freezed["status"]["code"] == 0
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