On 06/07/2015 11:59, zhanghailiang wrote: > > > Besides, the follow is the cpus message got from host. > 80FF72F5-FF6D-E411-A8C8-000000821800:/home/fsp/hrg # virsh > qemu-monitor-command instance-0000000 > * CPU #0: pc=0x00007f64160c683d thread_id=68570 > CPU #1: pc=0xffffffff810301f1 (halted) thread_id=68573 > CPU #2: pc=0xffffffff810301e2 (halted) thread_id=68575 > CPU #3: pc=0xffffffff810301e2 (halted) thread_id=68576 > CPU #4: pc=0xffffffff810301e2 (halted) thread_id=68577 > CPU #5: pc=0xffffffff810301e2 (halted) thread_id=68578 > CPU #6: pc=0xffffffff810301e2 (halted) thread_id=68583 > CPU #7: pc=0xffffffff810301f1 (halted) thread_id=68584 > > Oh, i also forgot to mention in the above message that, we have bond > each vCPU to different physical CPU in > host. Can you capture a trace on the host (trace-cmd record -e kvm) and send it privately? Please note which CPUs get stuck, since I guess it's not always 1 and 7. Paolo -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html