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Message-ID: <87jzz13v7i.wl-tiwai@suse.de> Date: Tue, 28 Mar 2023 14:40:33 +0200 From: Takashi Iwai <tiwai@...e.de> To: Jesse Brandeburg <jesse.brandeburg@...el.com>, Tony Nguyen <anthony.l.nguyen@...el.com> Cc: regressions@...ts.linux.dev, intel-wired-lan@...ts.osuosl.org, netdev@...r.kernel.org, linux-kernel@...r.kernel.org Subject: [REGRESSION] e1000e probe/link detection fails since 6.2 kernel Hi, we've got a regression report for e1000e device on Lenovo T460p since 6.2 kernel (with openSUSE Tumbleweed). The details are found in https://bugzilla.opensuse.org/show_bug.cgi?id=1209254 It seems that the driver can't detect the 1000Mbps but only 10/100Mbps link, eventually making the device unusable. On 6.1.12: [ 5.119117] e1000e: Intel(R) PRO/1000 Network Driver [ 5.119120] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. [ 5.121754] e1000e 0000:00:1f.6: Interrupt Throttling Rate (ints/sec) set to dynamic conservative mode [ 7.905526] e1000e 0000:00:1f.6 0000:00:1f.6 (uninitialized): Failed to disable ULP [ 7.988925] e1000e 0000:00:1f.6 0000:00:1f.6 (uninitialized): registered PHC clock [ 8.069935] e1000e 0000:00:1f.6 eth0: (PCI Express:2.5GT/s:Width x1) 50:7b:9d:cf:13:43 [ 8.069942] e1000e 0000:00:1f.6 eth0: Intel(R) PRO/1000 Network Connection [ 8.072691] e1000e 0000:00:1f.6 eth0: MAC: 12, PHY: 12, PBA No: 1000FF-0FF [ 11.643919] e1000e 0000:00:1f.6 eth0: NIC Link is Up 1000 Mbps Full Duplex, Flow Control: None [ 15.437437] e1000e 0000:00:1f.6 eth0: NIC Link is Up 1000 Mbps Full Duplex, Flow Control: None On 6.2.4: [ 4.344140] e1000e: Intel(R) PRO/1000 Network Driver [ 4.344143] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. [ 4.344933] e1000e 0000:00:1f.6: Interrupt Throttling Rate (ints/sec) set to dynamic conservative mode [ 7.113334] e1000e 0000:00:1f.6 0000:00:1f.6 (uninitialized): Failed to disable ULP [ 7.201715] e1000e 0000:00:1f.6 0000:00:1f.6 (uninitialized): registered PHC clock [ 7.284038] e1000e 0000:00:1f.6 eth0: (PCI Express:2.5GT/s:Width x1) 50:7b:9d:cf:13:43 [ 7.284044] e1000e 0000:00:1f.6 eth0: Intel(R) PRO/1000 Network Connection [ 7.284125] e1000e 0000:00:1f.6 eth0: MAC: 12, PHY: 12, PBA No: 1000FF-0FF [ 10.897973] e1000e 0000:00:1f.6 eth0: NIC Link is Up 10 Mbps Full Duplex, Flow Control: None [ 10.897977] e1000e 0000:00:1f.6 eth0: 10/100 speed: disabling TSO [ 14.710059] e1000e 0000:00:1f.6 eth0: NIC Link is Up 10 Mbps Full Duplex, Flow Control: None [ 14.710064] e1000e 0000:00:1f.6 eth0: 10/100 speed: disabling TSO [ 59.894807] e1000e 0000:00:1f.6 eth0: NIC Link is Up 10 Mbps Full Duplex, Flow Control: None [ 59.894812] e1000e 0000:00:1f.6 eth0: 10/100 speed: disabling TSO [ 63.808662] e1000e 0000:00:1f.6 eth0: NIC Link is Up 10 Mbps Full Duplex, Flow Control: None [ 63.808668] e1000e 0000:00:1f.6 eth0: 10/100 speed: disabling TSO The same problem persists with 6.3-rc3. Can you guys check what can go wrong, or if there is a fix? Thanks! Takashi
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