On Tue, Apr 30, 2024 at 2:17 PM Johannes Thumshirn <Johannes.Thumshirn@xxxxxxx> wrote: > > On 30.04.24 00:18, Chaitanya Kulkarni wrote: > > On 4/29/24 07:35, Johannes Thumshirn wrote: > >> On 23.04.24 15:18, Yi Zhang wrote: > >>> Hi > >>> I found this issue on the latest linux-block/for-next by blktests > >>> nvme/tcp nvme/012, please help check it and let me know if you need > >>> any info/testing for it, thanks. > >>> > >>> [ 1873.394323] run blktests nvme/012 at 2024-04-23 04:13:47 > >>> [ 1873.761900] loop0: detected capacity change from 0 to 2097152 > >>> [ 1873.846926] nvmet: adding nsid 1 to subsystem blktests-subsystem-1 > >>> [ 1873.987806] nvmet_tcp: enabling port 0 (127.0.0.1:4420) > >>> [ 1874.208883] nvmet: creating nvm controller 1 for subsystem > >>> blktests-subsystem-1 for NQN > >>> nqn.2014-08.org.nvmexpress:uuid:0f01fb42-9f7f-4856-b0b3-51e60b8de349. > >>> [ 1874.243423] nvme nvme0: creating 48 I/O queues. > >>> [ 1874.362383] nvme nvme0: mapped 48/0/0 default/read/poll queues. > >>> [ 1874.517677] nvme nvme0: new ctrl: NQN "blktests-subsystem-1", addr > >>> 127.0.0.1:4420, hostnqn: > >>> nqn.2014-08.org.nvmexpress:uuid:0f01fb42-9f7f-4856-b0b3-51e60b8de349 > > > > [...] > > > >>> > >>> [ 326.827260] run blktests nvme/012 at 2024-04-29 16:28:31 > >>> [ 327.475957] loop0: detected capacity change from 0 to 2097152 > >>> [ 327.538987] nvmet: adding nsid 1 to subsystem blktests-subsystem-1 > >>> > >>> [ 327.603405] nvmet_tcp: enabling port 0 (127.0.0.1:4420) > >>> > >>> > >>> [ 327.872343] nvmet: creating nvm controller 1 for subsystem > >>> blktests-subsystem-1 for NQN > >>> nqn.2014-08.org.nvmexpress:uuid:0f01fb42-9f7f-4856-b0b3-51e60b8de349. > >>> > >>> [ 327.877120] nvme nvme0: Please enable CONFIG_NVME_MULTIPATH for full > >>> support of multi-port devices. > > > > seems like you don't have multipath enabled that is one difference > > I can see in above log posted by Yi, and your log. > > > Yup, but even with multipath enabled I can't get the bug to trigger :( It's not one 100% reproduced issue, I tried on my another server and it cannot be reproduced. > > nvme/012 (run mkfs and data verification fio job on NVMeOF block > device-backed ns) > > [ 279.642826] run blktests nvme/012 at 2024-04-29 18:52:26 > > [ 280.296493] loop0: detected capacity change from 0 to 2097152 > [ 280.360139] nvmet: adding nsid 1 to subsystem blktests-subsystem-1 > > > [ 280.426171] nvmet_tcp: enabling port 0 (127.0.0.1:4420) > [ 280.712262] nvmet: creating nvm controller 1 for subsystem > blktests-subsystem-1 for NQN > nqn.2014-08.org.nvmexpress:uuid:0f01fb42-9f7f-4856-b0b3-51e60b8de349. > > [ 280.718259] nvme nvme0: creating 4 I/O queues. > > > [ 280.722258] nvme nvme0: mapped 4/0/0 default/read/poll queues. > > > [ 280.726088] nvme nvme0: new ctrl: NQN "blktests-subsystem-1", addr > 127.0.0.1:4420, hostnqn: > nqn.2014-08.org.nvmexpress:uuid:0f01fb42-9f7f-4856-b0b3-51e60b8de349 > [ 281.343044] XFS (nvme0n1): Mounting V5 Filesystem > 513881ee-db18-48c7-a2b0-3e4e3e41f38c > > [ 281.381925] XFS (nvme0n1): Ending clean mount > > > [ 281.390154] xfs filesystem being mounted at /mnt/blktests supports > timestamps until 2038-01-19 (0x7fffffff) > [ 309.958309] perf: interrupt took too long (2593 > 2500), lowering > kernel.perf_event_max_sample_rate to 77000 > > [ 377.847337] perf: interrupt took too long (3278 > 3241), lowering > kernel.perf_event_max_sample_rate to 61000 > > [ 471.964099] XFS (nvme0n1): Unmounting Filesystem > 513881ee-db18-48c7-a2b0-3e4e3e41f38c > > nvme/012 (run mkfs and data verification fio job on NVMeOF block > device-backed ns) [passed] > > runtime ... 192.747s > > > > Can you see if you can reproduce it on your side? > > Thanks, > Johannes -- Best Regards, Yi Zhang
