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Then I ran the test case added > > by this blktests series and observed the failurea below: > > > > nvme/070 (tr=fc) (test nvme-fc marginal path handling) [failed] > > runtime 33.581s ... 33.028s > > --- tests/nvme/070.out 2026-08-14 12:03:21.338000000 +0900 > > +++ /home/shin/Blktests/blktests/results/nodev_tr_fc/nvme/070.out.bad 2026-08-14 20:17:04.731000000 +0900 > > @@ -2,7 +2,8 @@ > > Starting background I/O > > Testing iopolicy: numa > > Changing FC links to online > > -Set all online: pass > > +No FC ports are being used, expected atleast one in use when all are online in numa mode. > > +Set all online: fail > > One host marginal: pass > > ... > > (Run 'diff -u tests/nvme/070.out /home/shin/Blktests/blktests/results/nodev_tr_fc/nvme/070.out.bad' to see the entire diff) > > > > Is this failure expected? > > No. I can't reproduce the issue either. > Does this happen consistently? Yes, it happnes always I run the test case. After I rebased to v7.2 kernel, it shows a bit different message: nvme/070 (tr=fc) (test nvme-fc marginal path handling) [failed] runtime 37.200s ... 38.926s --- tests/nvme/070.out 2026-08-17 11:13:53.073000000 +0900 +++ /home/shin/Blktests/blktests/results/nodev_tr_fc/nvme/070.out.bad 2026-08-17 16:34:17.997000000 +0900 @@ -3,10 +3,14 @@ Testing iopolicy: numa Changing FC links to online Set all online: pass -One host marginal: pass +FC port on (/sys/class/nvme-subsystem/nvme-subsys6/nvme6) is being used, expected no use. +One host marginal: fail All marginal: pass ... (Run 'diff -u tests/nvme/070.out /home/shin/Blktests/blktests/results/nodev_tr_fc/nvme/070.out.bad' to see the entire diff) > Maybe the links are still connecting? Should I try to add some sleeps in the test script? If so, could you suggest where to put the sleeps? If it helps, I will share the kernel config I use. If you want it, please let me know.