Hi Martin, On Tue, 13 Nov 2018 16:17:36 +0100, Martin Svec wrote: > Hello, > > during Hyper-V Cluster Validation tests, we hit a bug in SPC-3 persistent reservations > implementation where LIO iSCSI target started to loop indefinitely while freeing > a PR registration. Any chance you could capture and share a network trace for the specific test that triggers the deadlock. Having something to turn into a libiscsi regression test would be helpful here. Cheers, David