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(2603-8081-140c-1a00-60f3-453f-de39-d85d.res6.spectrum.com. [2603:8081:140c:1a00:60f3:453f:de39:d85d]) by smtp.gmail.com with ESMTPSA id a23sm97408otp.44.2021.08.25.11.03.03 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 25 Aug 2021 11:03:04 -0700 (PDT) Subject: Re: v5.14 RXE driver broken? To: Jason Gunthorpe , Zhu Yanjun Cc: Bart Van Assche , "linux-rdma@vger.kernel.org" , "linux-block@vger.kernel.org" References: <20210825163219.GY543798@ziepe.ca> From: Bob Pearson Message-ID: <28714f52-9d9b-e733-8a4b-042cde022552@gmail.com> Date: Wed, 25 Aug 2021 13:03:03 -0500 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.11.0 MIME-Version: 1.0 In-Reply-To: <20210825163219.GY543798@ziepe.ca> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org On 8/25/21 11:32 AM, Jason Gunthorpe wrote: > On Wed, Aug 25, 2021 at 11:02:14AM +0800, Zhu Yanjun wrote: >> On Tue, Aug 24, 2021 at 11:02 AM Bart Van Assche wrote: >>> >>> Hi Bob, >>> >>> If I run the following test against Linus' master branch then that test >>> passes (commit d5ae8d7f85b7 ("Revert "media: dvb header files: move some >>> headers to staging"")): >>> >>> # export use_siw=1 && modprobe brd && (cd blktests && ./check -q srp/002) >>> srp/002 (File I/O on top of multipath concurrently with logout and login (mq)) [passed] >>> runtime ... 48.849s >>> >>> The following test fails: >>> >>> # export use_siw= && modprobe brd && (cd blktests && ./check -q srp/002) >>> srp/002 (File I/O on top of multipath concurrently with logout and login (mq)) [failed] >>> runtime 48.849s ... 15.024s >>> +++ /home/bart/software/blktests/results/nodev/srp/002.out.bad 2021-08-23 19:51:05.182958728 -0700 >>> @@ -1,2 +1 @@ >>> Configured SRP target driver >>> -Passed >> >> Can this commit "RDMA/rxe: Zero out index member of struct rxe_queue" >> in the link https://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma.git/commit/?h=wip/jgg-for-rc >> fix this problem? >> >> And the commit will be merged into linux upstream very soon. > > Please let me know Bart, if the rxe driver is still broken I will > definitely punt all the changes for RXE to the next cycle until it can > be fixed. > > Jason > Jason, I am (I think) able to reproduce Bart's issue. I wouldn't hold up the 'bug fix' patches they are all legitimate. Bob