[bug report] blktests nvme/061 hang with rdma transport and siw driver

[Shinichiro Kawasaki]

On Apr 15, 2025 / 15:18, Bernard Metzler wrote:
[...]

Hi Bernard, thank you very much for taking actions.

> 
> I was running 'USE_SIW=1 NVMET_TRTYPES=rdma ./check nvme/061'
> 
> ...hundreds of times in a row w/o problems so far. KASAN checks
> are enabled. Did you do something differently?

The command is same as mine. To be precise, "USE_SIW=1" is not required since
now the default driver is not rxe but siw. My mere guess is that the kconfig
difference might be the reason you do not see the failure. FYI, I attach the
kconfig which I observed the failure with.

> 
> At first glance, to me it looks like a problem in the iwcm code,
> where a cmid's work queue handling might be broken.
> 
> Do you have access to real iWarp hardware to test? I tested
> with iw_cxgb4 w/o problems.

Unfortunately, no.
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