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Subject: Re: [Intel-wired-lan] The ice driver may rarely return incorrect statistics counter values X-BeenThere: intel-wired-lan@osuosl.org X-Mailman-Version: 2.1.30 Precedence: list List-Id: Intel Wired Ethernet Linux Kernel Driver Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-wired-lan-bounces@osuosl.org Sender: "Intel-wired-lan" On 7/2/25 10:01, Masakazu Asama wrote: > > The first step is to check if the linked patch fixes the issue at hand, > > could you please give it a try? > > Sorry for the long delay. > It took some time to complete the verification, as the environment I > used for testing is not something I can access freely. I apologize for > the inconvenience. > > I have confirmed that applying the patch 1a0f25a52e08 to the Ubuntu > 22.04 kernel (5.15) resolves the issue. > I’ve attached graphs showing the transmit/receive statistics before and > after applying the patch. > The data before May 30th is from before the patch was applied, and the > data after May 30th is from after the patch. thank you! it's great that this resolves the issue > > However, since kernel 5.15 still uses struct ice_ring instead of struct > ice_tx_ring, I was not able to apply the patch as-is. > I had to make two small modifications to replace struct ice_tx_ring with > struct ice_ring. for me it was just one place to change (but there was also conflict in need of manual resolution, so that makes it "two small modifications") > > As shown above, the patch 1a0f25a52e08 appears to be effective on 5.15 > as well, so I would greatly appreciate it if you could consider > backporting it. I will send this as a patch to stable kernel 5.15, CC'ing you; I think that Canonical will pick it up that way too