Re: hang in virtio-failover-test (s390 host)

2022-03-24 Thread Peter Maydell
On Thu, 24 Mar 2022 at 11:53, Laurent Vivier wrote: > > On 24/03/2022 12:11, Peter Maydell wrote: > > This is a backtrace from virtio-failover-test, which had hung > > on the s390 gitlab CI runner. Both processes were using CPU, > > so this is some kind of livelock, not a deadlock. > > > > Looking

Re: hang in virtio-failover-test (s390 host)

2022-03-24 Thread Laurent Vivier
On 24/03/2022 12:11, Peter Maydell wrote: This is a backtrace from virtio-failover-test, which had hung on the s390 gitlab CI runner. Both processes were using CPU, so this is some kind of livelock, not a deadlock. Looking more closely at the virtio-net-failover process, in the function test_mig

hang in virtio-failover-test (s390 host)

2022-03-24 Thread Peter Maydell
This is a backtrace from virtio-failover-test, which had hung on the s390 gitlab CI runner. Both processes were using CPU, so this is some kind of livelock, not a deadlock. Looking more closely at the virtio-net-failover process, in the function test_migrate_off_abort() we have executed 'migrate_c