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[204.195.120.218]) by smtp.gmail.com with ESMTPSA id r3-20020a654983000000b0041a615381d5sm400541pgs.4.2022.07.19.18.48.09 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 19 Jul 2022 18:48:09 -0700 (PDT) Date: Tue, 19 Jul 2022 18:48:08 -0700 From: Stephen Hemminger To: jesse.brandeburg@intel.com, anthony.l.nguyen@intel.com Message-ID: <20220719184808.7ba1d6e1@hermes.local> MIME-Version: 1.0 X-Mailman-Original-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=networkplumber-org.20210112.gappssmtp.com; s=20210112; h=date:from:to:cc:subject:message-id:mime-version :content-transfer-encoding; bh=PTzXbEmFEbq0B4TcIYumHmnI0rlcLmxQ4TbVKexf5YU=; b=A0rPtiKj0VuQSwxmKm7mKK527LgjGRmYUrksOhIuwRdbZLJqmZGq35iT4imFGgjhH5 aD8ZGcm7CvaXC0VzwuEwDwVBT/lhz30GP/uVPDBcwaMzD2I9rNgPmrjSv4lMOkn9g80i jwZQiHB2J5EQ0nghNcN6CIcAGaquNwkGOPquyUelOo0R8ZT94wdOgI8R5KtJLK9/AZU1 PdbiN9k0uB/AuDc5XAdIS0E96nVPxW9iLR1Lj4hViw8T8wg0gec4ehF/GfNlfPT0phaK iXrbsD+uOzMxDMlx8jo5Jbg32rcWLj3YdMf3afmO6KzkUOCKlKdfsVoL3Lkdd8t6Cobm Xyaw== X-Mailman-Original-Authentication-Results: smtp1.osuosl.org; dkim=pass (2048-bit key) header.d=networkplumber-org.20210112.gappssmtp.com header.i=@networkplumber-org.20210112.gappssmtp.com header.a=rsa-sha256 header.s=20210112 header.b=A0rPtiKj Subject: [Intel-wired-lan] Fw: [Bug 216261] New: Ethernet adapter i225_LM probe fail, return -1 X-BeenThere: intel-wired-lan@osuosl.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel Wired Ethernet Linux Kernel Driver Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: intel-wired-lan@lists.osuosl.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: intel-wired-lan-bounces@osuosl.org Sender: "Intel-wired-lan" Begin forwarded message: Date: Wed, 20 Jul 2022 01:19:08 +0000 From: bugzilla-daemon@kernel.org To: stephen@networkplumber.org Subject: [Bug 216261] New: Ethernet adapter i225_LM probe fail, return -1 https://bugzilla.kernel.org/show_bug.cgi?id=216261 Bug ID: 216261 Summary: Ethernet adapter i225_LM probe fail, return -1 Product: Networking Version: 2.5 Kernel Version: 5.4.y Hardware: Intel OS: Linux Tree: Mainline Status: NEW Severity: blocking Priority: P1 Component: IPV4 Assignee: stephen@networkplumber.org Reporter: joseph.bao@intel.com Regression: No Created attachment 301461 --> https://bugzilla.kernel.org/attachment.cgi?id=301461&action=edit This patch is based on 5.4.206, fix the i225 probe issue caused by unnecessary point check. Running kernel 5.4 with intel CPU alderlake-s and Ethernet adapter i225-LM, encounter probe failure, return err code -2. The root cause is that i225 devices have only one PHY vendor. There is no point checking _I_PHY_ID during the link establishment and auto-negotiation process. Refer to the link below. https://git.kernel.org/pub/scm/linux/kernel/git/tnguy/next-queue.git/commit/drivers/net/ethernet/intel/igc?h=dev-queue&id=7c496de538eebd8212dc2a3c9a468386b264d0d4 Attach the patch to clean up these pointless checkings. I tried another branch 5.15.y, it fixes this issue but has another issue related to PCIe switch & nvme SSD, so I have to stay kernel 5.4. -- You may reply to this email to add a comment. You are receiving this mail because: You are the assignee for the bug. _______________________________________________ Intel-wired-lan mailing list Intel-wired-lan@osuosl.org https://lists.osuosl.org/mailman/listinfo/intel-wired-lan