Hi Martin, There's a potential fix for this upstream, in v5.3-rc1 mainline build (thus not in v5.2), which is also applied to bionic-proposed (4.15.0-60.67).
Could you please test whether the issue is resolved with bionic-proposed [1] ? If that doesn't help, further regression/bisect test steps will be needed. Thank you! [1] https://wiki.ubuntu.com/Testing/EnableProposed The mentioned potential fix is: commit d17ba0f616a08f597d9348c372d89b8c0405ccf3 Author: Konstantin Khlebnikov <khlebni...@yandex-team.ru> Date: Wed Apr 17 11:13:20 2019 +0300 e1000e: start network tx queue only when link is up Driver does not want to keep packets in Tx queue when link is lost. But present code only reset NIC to flush them, but does not prevent queuing new packets. Moreover reset sequence itself could generate new packets via netconsole and NIC falls into endless reset loop. This patch wakes Tx queue only when NIC is ready to send packets. This is proper fix for problem addressed by commit 0f9e980bf5ee ("e1000e: fix cyclic resets at link up with active tx"). Signed-off-by: Konstantin Khlebnikov <khlebni...@yandex-team.ru> Suggested-by: Alexander Duyck <alexander.du...@gmail.com> Tested-by: Joseph Yasi <joe.y...@gmail.com> Tested-by: Aaron Brown <aaron.f.br...@intel.com> Tested-by: Oleksandr Natalenko <oleksa...@redhat.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirs...@intel.com> git/linux $ git describe --contains d17ba0f616a08f597d9348c372d89b8c0405ccf3 v5.3-rc1~140^2~410^2~2 git/ubuntu-bionic $ git log --oneline origin/master-next -- drivers/net/ethernet/intel/e1000e/ 02f5b7ea8c79 e1000e: start network tx queue only when link is up ... git/ubuntu-bionic $ git describe --contains 02f5b7ea8c79 Ubuntu-4.15.0-59.66~576 -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1841148 Title: Kernel 4.15.0-58 breaks Intel Ethernet Connection for I219-V and 82579V using e1000e driver Status in linux package in Ubuntu: Confirmed Bug description: Since linux-image-4.15.0-58-generic my ethernet connection fails to get a connection. The network connection constantly goes up and down. The issue has been reported by another user: https://bugzilla.kernel.org/show_bug.cgi?id=204591 Snippet from kern.log showing that the connection constantly goes up and down: Aug 20 10:06:00 martijn-ThinkPad-P50 kernel: [ 2427.134651] e1000e: enp0s31f6 NIC Link is Up 1000 Mbps Full Duplex, Flow Control: Rx/Tx Aug 20 10:06:00 martijn-ThinkPad-P50 kernel: [ 2427.134830] /dev/vmnet: open called by PID 5847 (vmnet-bridge) Aug 20 10:06:00 martijn-ThinkPad-P50 kernel: [ 2427.134836] /dev/vmnet: hub 0 does not exist, allocating memory. Aug 20 10:06:00 martijn-ThinkPad-P50 kernel: [ 2427.134858] /dev/vmnet: port on hub 0 successfully opened Aug 20 10:06:00 martijn-ThinkPad-P50 kernel: [ 2427.134868] bridge-enp0s31f6: up Aug 20 10:06:00 martijn-ThinkPad-P50 kernel: [ 2427.134872] bridge-enp0s31f6: attached Aug 20 10:06:00 martijn-ThinkPad-P50 kernel: [ 2427.334794] userif-2: sent link down event. Aug 20 10:06:00 martijn-ThinkPad-P50 kernel: [ 2427.334801] userif-2: sent link up event. Aug 20 10:06:01 martijn-ThinkPad-P50 kernel: [ 2428.156471] bridge-enp0s31f6: disabling the bridge on dev down Aug 20 10:06:01 martijn-ThinkPad-P50 kernel: [ 2428.158580] bridge-enp0s31f6: down Aug 20 10:06:01 martijn-ThinkPad-P50 kernel: [ 2428.158599] bridge-enp0s31f6: detached Aug 20 10:06:01 martijn-ThinkPad-P50 kernel: [ 2428.356790] userif-2: sent link down event. Aug 20 10:06:01 martijn-ThinkPad-P50 kernel: [ 2428.356795] userif-2: sent link up event. Aug 20 10:06:08 martijn-ThinkPad-P50 kernel: [ 2435.295365] e1000e: enp0s31f6 NIC Link is Up 1000 Mbps Full Duplex, Flow Control: Rx/Tx Aug 20 10:06:08 martijn-ThinkPad-P50 kernel: [ 2435.295729] /dev/vmnet: open called by PID 5847 (vmnet-bridge) Aug 20 10:06:08 martijn-ThinkPad-P50 kernel: [ 2435.295741] /dev/vmnet: hub 0 does not exist, allocating memory. Aug 20 10:06:08 martijn-ThinkPad-P50 kernel: [ 2435.295785] /dev/vmnet: port on hub 0 successfully opened Aug 20 10:06:08 martijn-ThinkPad-P50 kernel: [ 2435.295804] bridge-enp0s31f6: up Aug 20 10:06:08 martijn-ThinkPad-P50 kernel: [ 2435.295810] bridge-enp0s31f6: attached Aug 20 10:06:08 martijn-ThinkPad-P50 kernel: [ 2435.495615] userif-2: sent link down event. Aug 20 10:06:08 martijn-ThinkPad-P50 kernel: [ 2435.495620] userif-2: sent link up event. Aug 20 10:06:09 martijn-ThinkPad-P50 kernel: [ 2436.316505] bridge-enp0s31f6: disabling the bridge on dev down Aug 20 10:06:09 martijn-ThinkPad-P50 kernel: [ 2436.316593] bridge-enp0s31f6: down Aug 20 10:06:09 martijn-ThinkPad-P50 kernel: [ 2436.316607] bridge-enp0s31f6: detached Aug 20 10:06:09 martijn-ThinkPad-P50 kernel: [ 2436.516761] userif-2: sent link down event. Aug 20 10:06:09 martijn-ThinkPad-P50 kernel: [ 2436.516767] userif-2: sent link up event. Aug 20 10:06:14 martijn-ThinkPad-P50 kernel: [ 2441.438729] e1000e: enp0s31f6 NIC Link is Up 1000 Mbps Full Duplex, Flow Control: Rx/Tx Aug 20 10:06:14 martijn-ThinkPad-P50 kernel: [ 2441.440433] /dev/vmnet: open called by PID 5847 (vmnet-bridge) Aug 20 10:06:14 martijn-ThinkPad-P50 kernel: [ 2441.440439] /dev/vmnet: hub 0 does not exist, allocating memory. Aug 20 10:06:14 martijn-ThinkPad-P50 kernel: [ 2441.440466] /dev/vmnet: port on hub 0 successfully opened Aug 20 10:06:14 martijn-ThinkPad-P50 kernel: [ 2441.440475] bridge-enp0s31f6: up Aug 20 10:06:14 martijn-ThinkPad-P50 kernel: [ 2441.440479] bridge-enp0s31f6: attached Aug 20 10:06:14 martijn-ThinkPad-P50 kernel: [ 2441.638884] userif-2: sent link down event. Aug 20 10:06:14 martijn-ThinkPad-P50 kernel: [ 2441.638890] userif-2: sent link up event. Aug 20 10:06:15 martijn-ThinkPad-P50 kernel: [ 2442.460451] bridge-enp0s31f6: disabling the bridge on dev down Aug 20 10:06:15 martijn-ThinkPad-P50 kernel: [ 2442.461881] bridge-enp0s31f6: down Aug 20 10:06:15 martijn-ThinkPad-P50 kernel: [ 2442.461902] bridge-enp0s31f6: detached Aug 20 10:06:15 martijn-ThinkPad-P50 kernel: [ 2442.660746] userif-2: sent link down event. Aug 20 10:06:15 martijn-ThinkPad-P50 kernel: [ 2442.660752] userif-2: sent link up event. Aug 20 10:06:20 martijn-ThinkPad-P50 kernel: [ 2447.583182] e1000e: enp0s31f6 NIC Link is Up 1000 Mbps Full Duplex, Flow Control: Rx/Tx inxi -i: Network: Card-1: Intel Ethernet Connection (2) I219-V driver: e1000e lspci: 00:1f.6 Ethernet controller: Intel Corporation Ethernet Connection (2) I219-V (rev 31) The connection works again if I revert to an older kernel. lsb_release -rd: Description: Ubuntu 18.04.3 LTS Release: 18.04 Expected to happen: Ethernet connection is established What happened instead: Connection is constantly going up and down ProblemType: Bug DistroRelease: Ubuntu 18.04 Package: linux-image-4.15.0-58-generic 4.15.0-58.64 ProcVersionSignature: Ubuntu 4.15.0-55.60-generic 4.15.18 Uname: Linux 4.15.0-55-generic x86_64 NonfreeKernelModules: nvidia_modeset nvidia ApportVersion: 2.20.9-0ubuntu7.7 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: martijn 2135 F.... pulseaudio CurrentDesktop: XFCE Date: Fri Aug 23 09:46:52 2019 HibernationDevice: RESUME=UUID=8c1d84ee-ae66-44a1-8c9a-55584b815b9a InstallationDate: Installed on 2018-11-20 (275 days ago) InstallationMedia: Xubuntu 18.04.1 LTS "Bionic Beaver" - Release amd64 (20180725) MachineType: LENOVO 20ENCTO1WW ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.15.0-55-generic root=/dev/mapper/xubuntu--vg-root ro quiet splash vt.handoff=1 RelatedPackageVersions: linux-restricted-modules-4.15.0-55-generic N/A linux-backports-modules-4.15.0-55-generic N/A linux-firmware 1.173.9 SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 05/18/2018 dmi.bios.vendor: LENOVO dmi.bios.version: N1EET78W (1.51 ) dmi.board.asset.tag: Not Available dmi.board.name: 20ENCTO1WW dmi.board.vendor: LENOVO dmi.board.version: SDK0J40709 WIN dmi.chassis.asset.tag: No Asset Information dmi.chassis.type: 10 dmi.chassis.vendor: LENOVO dmi.chassis.version: None dmi.modalias: dmi:bvnLENOVO:bvrN1EET78W(1.51):bd05/18/2018:svnLENOVO:pn20ENCTO1WW:pvrThinkPadP50:rvnLENOVO:rn20ENCTO1WW:rvrSDK0J40709WIN:cvnLENOVO:ct10:cvrNone: dmi.product.family: ThinkPad P50 dmi.product.name: 20ENCTO1WW dmi.product.version: ThinkPad P50 dmi.sys.vendor: LENOVO To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1841148/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
