So you're saying it's a regression due to a kernel upgrade? Do you have older oem kernels still installed to boot with to verify if they still work?
The bug seems to be in the ethernet driver (igc). [ 7253.607665] Call Trace: [ 7253.607667] <TASK> [ 7253.607672] igc_get_hw_semaphore_i225+0x34/0x180 [igc] [ 7253.607684] igc_acquire_swfw_sync_i225+0x5a/0xd0 [igc] [ 7253.607696] igc_acquire_phy_base+0x14/0x20 [igc] [ 7253.607706] igc_read_phy_reg_gpy+0x38/0x1a0 [igc] [ 7253.607718] igc_phy_has_link+0x74/0x170 [igc] [ 7253.607730] igc_check_for_copper_link+0x63/0xe0 [igc] [ 7253.607740] igc_has_link+0x2b/0x80 [igc] [ 7253.607748] igc_watchdog_task+0x3e/0x2a0 [igc] [ 7253.607758] process_one_work+0x21d/0x3c0 [ 7253.607766] worker_thread+0x4d/0x3f0 [ 7253.607770] ? process_one_work+0x3c0/0x3c0 [ 7253.607775] kthread+0x127/0x150 [ 7253.607778] ? set_kthread_struct+0x40/0x40 [ 7253.607782] ret_from_fork+0x1f/0x30 [ 7253.607790] </TASK> ** Changed in: linux-oem-5.14 (Ubuntu Focal) Status: New => Incomplete ** Changed in: linux-oem-5.14 (Ubuntu) Status: Confirmed => Invalid -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-oem-5.14 in Ubuntu. https://bugs.launchpad.net/bugs/1965177 Title: Kernel crash when plugging in dock Status in linux-oem-5.14 package in Ubuntu: Invalid Status in linux-oem-5.14 source package in Focal: Incomplete Bug description: Recently, my laptop started hanging when plugging into the dock. The mouse continues to move but I cannot do anything else. I was able to ssh in and save dmesg which I have attached below. System Information Manufacturer: LENOVO Product Name: 20XW003JUS Version: ThinkPad X1 Carbon Gen 9 Serial Number: PF3JW2P5 UUID: 3685757e-689b-11ec-80f1-88a4c23141b3 Wake-up Type: Power Switch SKU Number: LENOVO_MT_20XW_BU_Think_FM_ThinkPad X1 Carbon Gen 9 Family: ThinkPad X1 Carbon Gen 9 Ubuntu release: Description: Ubuntu 20.04.4 LTS Release: 20.04 --- ProblemType: Bug ApportVersion: 2.20.11-0ubuntu27.21 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC1: asamson 1682 F.... pulseaudio /dev/snd/controlC0: asamson 1682 F.... pulseaudio CasperMD5CheckResult: skip DistroRelease: Ubuntu 20.04 InstallationDate: Installed on 2022-02-11 (33 days ago) InstallationMedia: Ubuntu 20.04.3 LTS "Focal Fossa" - Release amd64 (20210819) MachineType: LENOVO 20XW003JUS Package: linux (not installed) ProcEnviron: TERM=xterm-256color PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=en_US.UTF-8 SHELL=/bin/bash ProcFB: 0 i915drmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.14.0-1027-oem root=UUID=e392f02a-309f-4f70-9d04-0cf071b6d357 ro quiet splash vt.handoff=7 ProcVersionSignature: Ubuntu 5.14.0-1027.30-oem 5.14.21 RelatedPackageVersions: linux-restricted-modules-5.14.0-1027-oem N/A linux-backports-modules-5.14.0-1027-oem N/A linux-firmware 1.187.27 Tags: focal Uname: Linux 5.14.0-1027-oem x86_64 UnreportableReason: This report is about a package that is not installed. UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: adm cdrom dialout dip docker lpadmin lxd plugdev sambashare sudo _MarkForUpload: False dmi.bios.date: 12/02/2021 dmi.bios.release: 1.51 dmi.bios.vendor: LENOVO dmi.bios.version: N32ET75W (1.51 ) dmi.board.asset.tag: Not Available dmi.board.name: 20XW003JUS dmi.board.vendor: LENOVO dmi.board.version: SDK0J40697 WIN dmi.chassis.asset.tag: No Asset Information dmi.chassis.type: 10 dmi.chassis.vendor: LENOVO dmi.chassis.version: None dmi.ec.firmware.release: 1.32 dmi.modalias: dmi:bvnLENOVO:bvrN32ET75W(1.51):bd12/02/2021:br1.51:efr1.32:svnLENOVO:pn20XW003JUS:pvrThinkPadX1CarbonGen9:rvnLENOVO:rn20XW003JUS:rvrSDK0J40697WIN:cvnLENOVO:ct10:cvrNone:skuLENOVO_MT_20XW_BU_Think_FM_ThinkPadX1CarbonGen9: dmi.product.family: ThinkPad X1 Carbon Gen 9 dmi.product.name: 20XW003JUS dmi.product.sku: LENOVO_MT_20XW_BU_Think_FM_ThinkPad X1 Carbon Gen 9 dmi.product.version: ThinkPad X1 Carbon Gen 9 dmi.sys.vendor: LENOVO To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-oem-5.14/+bug/1965177/+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