On Wed, 21 Nov 2018 14:16:05 +0100, Martin Svec wrote: > >> 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. > > Thanks for your response, I'll try to capture it tomorrow. Also, the target has two multipathed NPs > now, so I can try to utilize only one to see if it makes a difference. Thanks. FWIW, given your preliminary analysis it looks as though concurrent MPIO PR requests will be needed to trigger the race. Cheers, David
