[bug report] nvme/063 failure (tcp transport)

[Hannes Reinecke]

On 5/18/25 12:01, Sagi Grimberg wrote:
> 
> 
> On 16/05/2025 15:31, Shinichiro Kawasaki wrote:
>> Hello all,
>>
>> Using the kernel v6.15-rc6 and the latest blktests (git hash 
>> 613b8377e4d3), I
>> observe the test case nvme/063 fails with tcp transport. Kernel 
>> reported WARN in
>> blk_mq_unquiesce_queue and KASAN sauf in blk_mq_queue_tag_busy_iter 
>> [1]. The
>> failure is recreated in stable manner on my test nodes.
>>
>> The test case script had a bug then this failure was not found until 
>> the bug get
>> fixed. I tried the kernel v6.15-rc1, and observed the same failure 
>> symptom. This
>> test case cannot be run with the kernel v6.14, since it does not have 
>> secure
>> concatenation feature.
>>
>> Actions for fix will be appreciated.
> 
> Hannes, did you encounter this?
> 
No; I would think it's an artifact due to multipath not being enabled.
Shin'ichiro, can you reproduce it with CONFIG_NVME_MULTIPATH on?

Cheers,

Hannes
-- 
Dr. Hannes Reinecke                  Kernel Storage Architect
hare at suse.de                                +49 911 74053 688
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