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Miller" , Tariq Toukan , Leon Romanovsky , Saeed Mahameed , netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Gal Pressman , linux-rdma@vger.kernel.org, Alexei Lazar References: <20250825143435.598584-1-mbloch@nvidia.com> <20250825143435.598584-11-mbloch@nvidia.com> <20250910170011.70528106@kernel.org> <20250911064732.2234b9fb@kernel.org> <20250911073630.14cd6764@kernel.org> Content-Language: en-US From: Tariq Toukan In-Reply-To: <20250911073630.14cd6764@kernel.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 11/09/2025 17:36, Jakub Kicinski wrote: > On Thu, 11 Sep 2025 17:25:22 +0300 Mark Bloch wrote: >> On 11/09/2025 16:47, Jakub Kicinski wrote: >>> On Wed, 10 Sep 2025 17:00:11 -0700 Jakub Kicinski wrote: >>>> Hi, this is breaking dual host CX7 w/ 28.45.1300 (but I think most >>>> older FW versions, too). Looks like the host is not receiving any >>>> mcast (ping within a subnet doesn't work because the host receives >>>> no ndisc), and most traffic slows down to a trickle. >>>> Lost of rx_prio0_buf_discard increments. >>>> >>>> Please TAL ASAP, this change went to LTS last week. >>> >>> Any news on this? I heard that it also breaks DCB/QoS configuration >>> on 6.12.45 LTS. >> >> We are looking into this, once we have anything I'll update. >> Just to make sure, reverting this is one commit solves the >> issue you are seeing? > > It did for me, but Daniel (who is working on the PSP series) > mentioned that he had reverted all three to get net-next working: > > net/mlx5e: Set local Xoff after FW update > net/mlx5e: Update and set Xon/Xoff upon port speed set > net/mlx5e: Update and set Xon/Xoff upon MTU set > Hi Jakub, Thanks for reporting. We're investigating and will update soon. Regards, Tariq