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[204.195.96.226]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-21de31ee73asm16264945ad.36.2025.01.30.09.11.12 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 30 Jan 2025 09:11:13 -0800 (PST) Date: Thu, 30 Jan 2025 09:11:11 -0800 From: Stephen Hemminger To: anthony.l.nguyen@intel.com, jesse.brandeburg@intel.com Cc: intel-wired-lan@lists.osuosl.org Message-ID: <20250130091111.46358882@hermes.local> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Mailman-Original-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=networkplumber-org.20230601.gappssmtp.com; s=20230601; t=1738257074; x=1738861874; darn=lists.osuosl.org; h=content-transfer-encoding:mime-version:message-id:subject:cc:to :from:date:from:to:cc:subject:date:message-id:reply-to; bh=5YUNcQuFjCdY2tr4tQy6ORB+JbZR3f+0yGhHMOkK28M=; b=GUcMTjih7DL/Qt23gOIbyYJzPUuKRUKM0eRcZ0wG84/yXrMJSyF2R3Duvn6NKbmGKG eAPq3z3yXpMEiW/7YfmbN+3V+4bZsfI2qwRuJvPCRV5ALqpwawE2rjTkM0GeqKfEOXro zqM1C4JehwJ3gO+dwKtHewm6YDHi4Rf+JVC94M2dYrTnfgnPoTElSDUyFGITytEwMM0L BDViAxq5awd5EWWHU6h5RJGTuhBx0QgnLkmGVISbti7nvl+sjafao8uXjq2cBxTInLBu tmIg4iVievbZ7y70OFZyVSDJwfi5dcQYl9QPxXuSDPpAp4YV3FqFSE8GwlsYk/ht1jWd It3g== X-Mailman-Original-Authentication-Results: smtp4.osuosl.org; dmarc=pass (p=quarantine dis=none) header.from=networkplumber.org X-Mailman-Original-Authentication-Results: smtp4.osuosl.org; dkim=pass (2048-bit key, unprotected) header.d=networkplumber-org.20230601.gappssmtp.com header.i=@networkplumber-org.20230601.gappssmtp.com header.a=rsa-sha256 header.s=20230601 header.b=GUcMTjih Subject: [Intel-wired-lan] suspend/resume broken of igc driver broken on 6.12 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" I am using: 5a:00.0 Ethernet controller: Intel Corporation Ethernet Controller I226-LM (rev 04) Subsystem: Intel Corporation Device 0000 Flags: bus master, fast devsel, latency 0, IRQ 19, IOMMU group 20 Memory at 6c500000 (32-bit, non-prefetchable) [size=1M] Memory at 6c600000 (32-bit, non-prefetchable) [size=16K] Capabilities: [40] Power Management version 3 Capabilities: [50] MSI: Enable- Count=1/1 Maskable+ 64bit+ Capabilities: [70] MSI-X: Enable+ Count=5 Masked- Capabilities: [a0] Express Endpoint, IntMsgNum 0 Capabilities: [100] Advanced Error Reporting Capabilities: [140] Device Serial Number 58-47-ca-ff-ff-7a-98-3d Capabilities: [1c0] Latency Tolerance Reporting Capabilities: [1f0] Precision Time Measurement Capabilities: [1e0] L1 PM Substates Kernel driver in use: igc Kernel modules: igc Using both Debian testing and my own kernel built from 6.12, the igc driver appears broken after resume. After resuming the device is down and no address present. Attempts to set link up manually fail. If I do rmmod/modprobe of igc it comes back. Doing a bit of bisectting but it is slow going.