apport information ** Tags added: apport-collected
** Description changed: I have a lenovo thinkpad E550 that has had kubuntu installed starting with 18.04, now updated to 20.04, I never had problems with wifi until last kernel update. If I boot with 5.4.0-33.37 the wireless connection acts normally, it's mostly stable and I have no major issues. If I boot with 5.4.0-37.41 there is a message like this and the wireless interface is not activated: [ 16.227170] kernel: iwlwifi 0000:04:00.0: enabling device (0000 -> 0002) [ 16.227328] kernel: iwlwifi 0000:04:00.0: HW_REV=0xFFFFFFFF, PCI issues? [ 16.275802] kernel: iwlwifi: probe of 0000:04:00.0 failed with error -5 There are similar issue with previous releases, but none seem to have fixed the problem, some of the more informatives (apparently it's either a kernel issue fixed with kernel 5.6 or a firmware loaded incorrectly): - https://bugs.launchpad.net/ubuntu/+source/linux-firmware/+bug/1867026 - https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1865962 System specifications: System: Host: pc Kernel: 5.4.0-33-generic x86_64 bits: 64 Console: tty 0 Distro: Ubuntu 20.04 LTS (Focal Fossa) Machine: Type: Laptop System: LENOVO product: 20DF004USP v: ThinkPad E550 serial: --- Mobo: LENOVO model: 20DF004USP v: SDK0E50510 WIN serial: --- UEFI [Legacy]: LENOVO v: J5ET54WW (1.25 ) date: 07/18/2016 CPU: Topology: Dual Core model: Intel Core i7-5500U bits: 64 type: MT MCP L2 cache: 4096 KiB Speed: 798 MHz min/max: 500/3000 MHz Core speeds (MHz): 1: 798 2: 798 3: 798 4: 798 Network: Device-1: Intel Ethernet I218-V driver: e1000e IF: enp0s25 state: down mac: 68:f7:28:5f:d7:27 Device-2: Intel Wireless 3160 driver: iwlwifi IF: wlp4s0 state: up mac: d0:7e:35:84:92:57 IF-ID-1: lxcbr0 state: down mac: 00:16:3e:00:00:00 + --- + ProblemType: Bug + ApportVersion: 2.20.11-0ubuntu27.3 + Architecture: amd64 + AudioDevicesInUse: + USER PID ACCESS COMMAND + /dev/snd/controlC1: jjuvan 2797 F.... pulseaudio + /dev/snd/pcmC1D0p: jjuvan 2797 F...m pulseaudio + /dev/snd/controlC0: jjuvan 2797 F.... pulseaudio + CasperMD5CheckResult: skip + CurrentDesktop: KDE + DistroRelease: Ubuntu 20.04 + InstallationDate: Installed on 2018-11-05 (591 days ago) + InstallationMedia: Ubuntu-Server 18.04.1 LTS "Bionic Beaver" - Release amd64 (20180725) + MachineType: LENOVO 20DF004USP + Package: linux (not installed) + ProcFB: 0 i915drmfb + ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-33-generic root=UUID=a8d80ba4-a0b8-4f71-9b3c-597f8c49f7f9 ro + ProcVersionSignature: Ubuntu 5.4.0-33.37-generic 5.4.34 + RelatedPackageVersions: + linux-restricted-modules-5.4.0-33-generic N/A + linux-backports-modules-5.4.0-33-generic N/A + linux-firmware 1.187 + Tags: focal + Uname: Linux 5.4.0-33-generic x86_64 + UpgradeStatus: Upgraded to focal on 2020-05-11 (38 days ago) + UserGroups: adm cdrom dip lpadmin lxd plugdev sambashare sudo + _MarkForUpload: True + dmi.bios.date: 07/18/2016 + dmi.bios.vendor: LENOVO + dmi.bios.version: J5ET54WW (1.25 ) + dmi.board.asset.tag: Not Available + dmi.board.name: 20DF004USP + dmi.board.vendor: LENOVO + dmi.board.version: SDK0E50510 WIN + dmi.chassis.asset.tag: No Asset Information + dmi.chassis.type: 10 + dmi.chassis.vendor: LENOVO + dmi.chassis.version: None + dmi.modalias: dmi:bvnLENOVO:bvrJ5ET54WW(1.25):bd07/18/2016:svnLENOVO:pn20DF004USP:pvrThinkPadE550:rvnLENOVO:rn20DF004USP:rvrSDK0E50510WIN:cvnLENOVO:ct10:cvrNone: + dmi.product.family: ThinkPad E550 + dmi.product.name: 20DF004USP + dmi.product.sku: LENOVO_MT_20DF_BU_Think_FM_ThinkPad E550 + dmi.product.version: ThinkPad E550 + dmi.sys.vendor: LENOVO ** Attachment added: "AlsaInfo.txt" https://bugs.launchpad.net/bugs/1884025/+attachment/5385183/+files/AlsaInfo.txt -- 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/1884025 Title: iwlwifi not loading on kernel 5.4.0.37.40 Status in linux package in Ubuntu: Confirmed Bug description: I have a lenovo thinkpad E550 that has had kubuntu installed starting with 18.04, now updated to 20.04, I never had problems with wifi until last kernel update. If I boot with 5.4.0-33.37 the wireless connection acts normally, it's mostly stable and I have no major issues. If I boot with 5.4.0-37.41 there is a message like this and the wireless interface is not activated: [ 16.227170] kernel: iwlwifi 0000:04:00.0: enabling device (0000 -> 0002) [ 16.227328] kernel: iwlwifi 0000:04:00.0: HW_REV=0xFFFFFFFF, PCI issues? [ 16.275802] kernel: iwlwifi: probe of 0000:04:00.0 failed with error -5 There are similar issue with previous releases, but none seem to have fixed the problem, some of the more informatives (apparently it's either a kernel issue fixed with kernel 5.6 or a firmware loaded incorrectly): - https://bugs.launchpad.net/ubuntu/+source/linux-firmware/+bug/1867026 - https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1865962 System specifications: System: Host: pc Kernel: 5.4.0-33-generic x86_64 bits: 64 Console: tty 0 Distro: Ubuntu 20.04 LTS (Focal Fossa) Machine: Type: Laptop System: LENOVO product: 20DF004USP v: ThinkPad E550 serial: --- Mobo: LENOVO model: 20DF004USP v: SDK0E50510 WIN serial: --- UEFI [Legacy]: LENOVO v: J5ET54WW (1.25 ) date: 07/18/2016 CPU: Topology: Dual Core model: Intel Core i7-5500U bits: 64 type: MT MCP L2 cache: 4096 KiB Speed: 798 MHz min/max: 500/3000 MHz Core speeds (MHz): 1: 798 2: 798 3: 798 4: 798 Network: Device-1: Intel Ethernet I218-V driver: e1000e IF: enp0s25 state: down mac: 68:f7:28:5f:d7:27 Device-2: Intel Wireless 3160 driver: iwlwifi IF: wlp4s0 state: up mac: d0:7e:35:84:92:57 IF-ID-1: lxcbr0 state: down mac: 00:16:3e:00:00:00 --- ProblemType: Bug ApportVersion: 2.20.11-0ubuntu27.3 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC1: jjuvan 2797 F.... pulseaudio /dev/snd/pcmC1D0p: jjuvan 2797 F...m pulseaudio /dev/snd/controlC0: jjuvan 2797 F.... pulseaudio CasperMD5CheckResult: skip CurrentDesktop: KDE DistroRelease: Ubuntu 20.04 InstallationDate: Installed on 2018-11-05 (591 days ago) InstallationMedia: Ubuntu-Server 18.04.1 LTS "Bionic Beaver" - Release amd64 (20180725) MachineType: LENOVO 20DF004USP Package: linux (not installed) ProcFB: 0 i915drmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-33-generic root=UUID=a8d80ba4-a0b8-4f71-9b3c-597f8c49f7f9 ro ProcVersionSignature: Ubuntu 5.4.0-33.37-generic 5.4.34 RelatedPackageVersions: linux-restricted-modules-5.4.0-33-generic N/A linux-backports-modules-5.4.0-33-generic N/A linux-firmware 1.187 Tags: focal Uname: Linux 5.4.0-33-generic x86_64 UpgradeStatus: Upgraded to focal on 2020-05-11 (38 days ago) UserGroups: adm cdrom dip lpadmin lxd plugdev sambashare sudo _MarkForUpload: True dmi.bios.date: 07/18/2016 dmi.bios.vendor: LENOVO dmi.bios.version: J5ET54WW (1.25 ) dmi.board.asset.tag: Not Available dmi.board.name: 20DF004USP dmi.board.vendor: LENOVO dmi.board.version: SDK0E50510 WIN dmi.chassis.asset.tag: No Asset Information dmi.chassis.type: 10 dmi.chassis.vendor: LENOVO dmi.chassis.version: None dmi.modalias: dmi:bvnLENOVO:bvrJ5ET54WW(1.25):bd07/18/2016:svnLENOVO:pn20DF004USP:pvrThinkPadE550:rvnLENOVO:rn20DF004USP:rvrSDK0E50510WIN:cvnLENOVO:ct10:cvrNone: dmi.product.family: ThinkPad E550 dmi.product.name: 20DF004USP dmi.product.sku: LENOVO_MT_20DF_BU_Think_FM_ThinkPad E550 dmi.product.version: ThinkPad E550 dmi.sys.vendor: LENOVO To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1884025/+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
