[bug report] RIP: 0010:blk_flush_complete_seq+0x450/0x1060 observed during blktests nvme/tcp nvme/012

[Chaitanya Kulkarni]

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.


>> [  327.878095] nvme nvme0: creating 4 I/O queues.
>>   
>>
>> [  327.882741] nvme nvme0: mapped 4/0/0 default/read/poll queues.
>> [  327.886786] 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
>>

-ck