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[142.68.128.5]) by smtp.gmail.com with ESMTPSA id d75a77b69052e-471fdf8ac21sm22421101cf.19.2025.02.19.05.38.47 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 19 Feb 2025 05:38:47 -0800 (PST) Received: from jgg by wakko with local (Exim 4.97) (envelope-from ) id 1tkkHn-0000000067m-05Qh; Wed, 19 Feb 2025 09:38:47 -0400 Date: Wed, 19 Feb 2025 09:38:47 -0400 From: Jason Gunthorpe To: "Daisuke Matsuda (Fujitsu)" Cc: "linux-rdma@vger.kernel.org" , "leon@kernel.org" , "zyjzyj2000@gmail.com" , "linux-kernel@vger.kernel.org" , "rpearsonhpe@gmail.com" , "Zhijian Li (Fujitsu)" , Joe Klein Subject: Re: [PATCH for-next v9 0/5] On-Demand Paging on SoftRoCE Message-ID: <20250219133847.GM3696814@ziepe.ca> References: <20241220100936.2193541-1-matsuda-daisuke@fujitsu.com> <20250103150546.GD26854@ziepe.ca> <20250113201611.GI26854@ziepe.ca> Precedence: bulk X-Mailing-List: linux-rdma@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: On Wed, Feb 19, 2025 at 10:48:25AM +0000, Daisuke Matsuda (Fujitsu) wrote: > On Thu, Jan 30, 2025 7:52 PM Daisuke Matsuda (Fujitsu): > > On Tue, Jan 14, 2025 5:16 AM Jason Gunthorpe: > > > On Mon, Jan 13, 2025 at 02:15:27PM +0100, Joe Klein wrote: > > > > > > > > > > Possibly, there was a regression in libibverbs between v39.0-1 and v50.0-2build2. > > > > > > > We need to take a closer look to resolve the malfunction of rxe on Ubuntu 24.04. > > > > > > > > > > > > That's distressing. > > > > I am going to start bisecting the root cause to fix it. > > It may take a while, so please stay patient. > > On Ubuntu 22.04.5, both v50.0 branch and master branch pass the pyverbs testcases, > so it is not a regression of libibverbs. However, on Ubuntu 24.04.1, the test causes > segmentation fault with both branches. The issue looks specific to Ubuntu 24.04. > > Could it be possible the update of python version leads to the > failure? Or a cython update? It certainly could.. So maybe there is nothing to worry about kernel side if the test case passes on older OS userspace Jason