apport information ** Tags added: apport-collected focal
** Description changed: Focal Fossa 20.04.1 HP lt4120 Snapdragon X5 LTE USB modem stopped working from kernel 5.10.x. It is not seen by Network Manager. Everything worked with 5.8.x kernel. I can't use newer kernel if I want work over HP lt4120 Snapdragon X5 LTE modem. I can't test kernel 5.14 & 5.15 in 20.04 due to libc version not compatible with updated libc from Ubuntu 20.04. + --- + ProblemType: Bug + ApportVersion: 2.20.11-0ubuntu27.21 + Architecture: amd64 + AudioDevicesInUse: + USER PID ACCESS COMMAND + /dev/snd/controlC0: mp 2798 F.... pulseaudio + CasperMD5CheckResult: skip + CurrentDesktop: ubuntu:GNOME + DistroRelease: Ubuntu 20.04 + InstallationDate: Installed on 2020-05-07 (554 days ago) + InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Release amd64 (20200423) + Lsusb: + Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub + Bus 001 Device 004: ID 04f2:b51c Chicony Electronics Co., Ltd HP HD Camera + Bus 001 Device 003: ID 8087:0025 Intel Corp. + Bus 001 Device 002: ID 03f0:9d1d HP, Inc HP lt4120 Snapdragon X5 LTE + Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub + MachineType: HP HP EliteBook 820 G3 + Package: linux (not installed) + ProcFB: 0 i915drmfb + ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.11.0-40-generic root=UUID=02d7c99f-6ec6-49fa-8577-3e6243dc7891 ro quiet splash resume=UUID=02d7c99f-6ec6-49fa-8577-3e6243dc7891 resume_offset=698368 vt.handoff=7 + ProcVersionSignature: Ubuntu 5.11.0-40.44~20.04.2-generic 5.11.22 + RelatedPackageVersions: + linux-restricted-modules-5.11.0-40-generic N/A + linux-backports-modules-5.11.0-40-generic N/A + linux-firmware 1.187.20 + Tags: focal + Uname: Linux 5.11.0-40-generic x86_64 + UpgradeStatus: No upgrade log present (probably fresh install) + UserGroups: adm cdrom dip lpadmin lxd plugdev sambashare sudo + _MarkForUpload: True + dmi.bios.date: 04/20/2021 + dmi.bios.release: 1.52 + dmi.bios.vendor: HP + dmi.bios.version: N75 Ver. 01.52 + dmi.board.name: 807C + dmi.board.vendor: HP + dmi.board.version: KBC Version 85.79 + dmi.chassis.asset.tag: 5CG60906BD + dmi.chassis.type: 10 + dmi.chassis.vendor: HP + dmi.ec.firmware.release: 133.121 + dmi.modalias: dmi:bvnHP:bvrN75Ver.01.52:bd04/20/2021:br1.52:efr133.121:svnHP:pnHPEliteBook820G3:pvr:skuL4Q17AV:rvnHP:rn807C:rvrKBCVersion85.79:cvnHP:ct10:cvr: + dmi.product.family: 103C_5336AN G=N L=BUS B=HP S=ELI + dmi.product.name: HP EliteBook 820 G3 + dmi.product.sku: L4Q17AV + dmi.sys.vendor: HP ** Attachment added: "AlsaInfo.txt" https://bugs.launchpad.net/bugs/1950385/+attachment/5540332/+files/AlsaInfo.txt -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1950385 Title: HP lt4120 Snapdragon X5 LTE USB modem not working since 5.10 kernel To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1950385/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs