Here a similar portion from the ovs log and gdb trace running openvswitch 2.11.0-0ubuntu2:
Thu Oct 31 18:20:23 2019-2019-10-31T17:20:23.521Z|00001|ovs_rcu(urcu4)|WARN|blocked 1000 ms waiting for revalidator124 to quiesce
Thu Oct 31 18:20:24 2019-2019-10-31T17:20:24.521Z|00002|ovs_rcu(urcu4)|WARN|blocked 2000 ms waiting for revalidator124 to quiesce
Thu Oct 31 18:20:59 2019-2019-10-31T17:20:26.520Z|00003|ovs_rcu(urcu4)|WARN|blocked 4000 ms waiting for revalidator124 to quiesce
In the trace:
29 Thread 0x7f72f97fa700 (LWP 26608) "revalidator124" 0x00007f734aee237b in futex_abstimed_wait (private=<optimized out>, abstime=0x0, expected=10, futex_word=0x5577bab397c0 <rwlock>) at ../sysdeps/unix/sysv/linux/futex-internal.h:172
Full trace attached in gdbwrap.1572542426.log.gz
The traces are a bit hocus to me, I really don't have a clue whats going on there but I guess it might help you make sense of whats going on here.
Here a similar portion from the ovs log and gdb trace running openvswitch 2.11.0-0ubuntu2: 10-31T17: 20:23.521Z| 00001|ovs_ rcu(urcu4) |WARN|blocked 1000 ms waiting for revalidator124 to quiesce 10-31T17: 20:24.521Z| 00002|ovs_ rcu(urcu4) |WARN|blocked 2000 ms waiting for revalidator124 to quiesce 10-31T17: 20:26.520Z| 00003|ovs_ rcu(urcu4) |WARN|blocked 4000 ms waiting for revalidator124 to quiesce
Thu Oct 31 18:20:23 2019-2019-
Thu Oct 31 18:20:24 2019-2019-
Thu Oct 31 18:20:59 2019-2019-
In the trace: 0x5577bab397c0 <rwlock>) at ../sysdeps/ unix/sysv/ linux/futex- internal. h:172
29 Thread 0x7f72f97fa700 (LWP 26608) "revalidator124" 0x00007f734aee237b in futex_abstimed_wait (private=<optimized out>, abstime=0x0, expected=10, futex_word=
Full trace attached in gdbwrap. 1572542426. log.gz
The traces are a bit hocus to me, I really don't have a clue whats going on there but I guess it might help you make sense of whats going on here.