On 2015/3/3 17:12, Gerhard Wiesinger wrote: > 3b.) Still happened again at the nightly backup with same configuration as in > 3.) configuration 384MB, kvm_clock, 2VCPU, vm.overcommit_memory = 1, > pc-i440fx-2.2: no OOM problem, ping ok, no reaction, BUT CRASHED again > > SYSRQ: no reaction of the VM > virsh send-key vm KEY_LEFTALT KEY_SYSRQ KEY_T > > virsh dump vm file.core > error: Failed to core dump domain vm to file.core > error: internal error: unable to execute QEMU command 'migrate': State > blocked by non-migratable device '0000:00:09.0/ich9_ahci' > You can use '--memory-only' argument to dump vm's memory only. eg:
virsh dump vm file.core --memory-only > Removed the SATA controller, dump should work for the future. > > Any futher ideas? Regards, -Gonglei