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

[Bernard Metzler]

> -----Original Message-----
> From: Jason Gunthorpe <jgg at ziepe.ca>
> Sent: Thursday, May 8, 2025 2:26 PM
> To: Shinichiro Kawasaki <shinichiro.kawasaki at wdc.com>
> Cc: Bernard Metzler <BMT at zurich.ibm.com>; linux-nvme at lists.infradead.org;
> linux-rdma at vger.kernel.org; Daniel Wagner <wagi at kernel.org>
> Subject: [EXTERNAL] Re: [bug report] blktests nvme/061 hang with rdma
> transport and siw driver
> 
> On Thu, May 08, 2025 at 07:03:03AM +0000, Shinichiro Kawasaki wrote:
> > One left question is why the failure was not observed with rxe driver,
> but with
> > siw driver. My mere guess is that is because siw driver calls id-
> >add_ref() and
> > cm_id->rem_ref().
> 
> Only siw uses the code in iwcm.c, rxe does not.
> 
> Bernard? What do you think about this analysis? I've never really
> looked inside iwcm.c..
> 

lgtm!

Thanks,
Bernard.

> Thanks,
> Jason