https://bugzilla.kernel.org/show_bug.cgi?id=204293 Bug ID: 204293 Summary: When destroying guests, hypervisor freezes for some seconds and get BUG: soft lockup - CPU* stuck for Xs Product: Virtualization Version: unspecified Kernel Version: 5.2.0 Hardware: x86-64 OS: Linux Tree: Mainline Status: NEW Severity: normal Priority: P1 Component: kvm Assignee: virtualization_kvm@xxxxxxxxxxxxxxxxxxxx Reporter: hilld@xxxxxxxxxxxxxxx Regression: No When destroying guests, hypervisor freezes for some seconds and get BUG: soft lockup - CPU* stuck for Xs: [root@zappa ~]# virsh list | grep runn | awk '{ print $1 }' | xargs -I% virsh destroy % Message from syslogd@zappa at Jul 24 08:56:34 ... kernel:[5519315.215069] watchdog: BUG: soft lockup - CPU#4 stuck for 22s! [worker:2540] Message from syslogd@zappa at Jul 24 08:56:34 ... kernel:watchdog: BUG: soft lockup - CPU#4 stuck for 22s! [worker:2540] error: Disconnected from qemu:///system due to keepalive timeout error: Failed to destroy domain 43 error: internal error: connection closed due to keepalive timeout Message from syslogd@zappa at Jul 24 08:57:10 ... kernel:[5519351.240533] watchdog: BUG: soft lockup - CPU#12 stuck for 22s! [worker:2540] Message from syslogd@zappa at Jul 24 08:57:10 ... kernel:watchdog: BUG: soft lockup - CPU#12 stuck for 22s! [worker:2540] error: Failed to destroy domain 44 error: Failed to terminate process 19480 with SIGKILL: Device or resource busy Domain 45 destroyed Domain 46 destroyed Domain 47 destroyed Domain 48 destroyed Message from syslogd@zappa at Jul 24 08:58:06 ... kernel:[5519407.261656] watchdog: BUG: soft lockup - CPU#21 stuck for 22s! [worker:8228] Message from syslogd@zappa at Jul 24 08:58:06 ... kernel:watchdog: BUG: soft lockup - CPU#21 stuck for 22s! [worker:8228] error: Disconnected from qemu:///system due to keepalive timeout error: Failed to destroy domain 49 error: internal error: connection closed due to keepalive timeout Message from syslogd@zappa at Jul 24 08:59:02 ... kernel:[5519463.135812] watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [worker:8190] Message from syslogd@zappa at Jul 24 08:59:02 ... kernel:watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [worker:8190] error: Disconnected from qemu:///system due to keepalive timeout error: Failed to destroy domain 50 error: internal error: connection closed due to keepalive timeout -- You are receiving this mail because: You are watching the assignee of the bug.
