Also same issue on Gen 7 Machine ** Description changed:
Hardware: - - Lenovo ThinkPad E14 Gen 4 (Type 21E3S06300) - - Intel Core i5-1235U - - Intel Wi-Fi 6E AX211 + - Lenovo ThinkPad E14 Gen 4 + - Machine Type: 21E3S06300 + - Intel Core i5-1235U (Alder Lake) + - Intel Wi-Fi 6E AX211 (PCI ID: 8086:51f0, Rev 01) Operating System: Ubuntu 24.04.4 LTS Kernel: linux-hwe-6.17 Problem: The Intel AX211 wireless adapter disconnects randomly during normal operation. - Kernel logs repeatedly show: + Kernel logs repeatedly report: - Error sending SYSTEM_STATISTICS_CMD - Device error - SW reset - - Queue is stuck + - Queue 1 is stuck - WRT: Collecting data - restart completed - The wireless firmware crashes, resets, reconnects and then crashes - again. + The firmware crashes, resets and reconnects repeatedly. Troubleshooting already performed: + - Updated BIOS to latest available version + - Removed custom iwlwifi module configuration + - Rebuilt initramfs + - Tested multiple kernels (OEM and HWE) + - Disabled Wi-Fi power management + - Issue occurs on office Wi-Fi and mobile hotspot + - Issue persists after reboot + - Firmware version: + 89.1a492d28.0 so-a0-hr-b0-89.ucode - - Updated BIOS to latest available version - - Tested multiple kernels (OEM and HWE) - - Removed custom iwlwifi.conf - - Rebuilt initramfs - - Disabled Wi-Fi power saving - - Issue reproduced on office Wi-Fi and mobile hotspot - - Issue continues after reboot - - Firmware version loaded: - 89.1a492d28.0 so-a0-hr-b0-89.ucode + Hardware: + Intel Alder Lake-P PCH CNVi WiFi + PCI ID: 8086:51f0 + Revision: 01 - The issue appears to be an Intel iwlwifi firmware/driver problem rather - than an access point issue. - - ProblemType: Bug - DistroRelease: Ubuntu 24.04 - Package: linux-image-6.17.0-22-generic 6.17.0-22.22~24.04.1 - ProcVersionSignature: Ubuntu 6.17.0-22.22~24.04.1-generic 6.17.13 - Uname: Linux 6.17.0-22-generic x86_64 - ApportVersion: 2.28.2-0ubuntu0.1 - Architecture: amd64 - AudioDevicesInUse: - USER PID ACCESS COMMAND - /dev/snd/controlC0: saikrishna.andhavarapu 3063 F.... pipewire - saikrishna.andhavarapu 3068 F.... wireplumber - /dev/snd/seq: saikrishna.andhavarapu 3063 F.... pipewire - CasperMD5CheckResult: pass - Date: Fri Jul 17 14:05:18 2026 - InstallationDate: Installed on 2025-12-08 (221 days ago) - InstallationMedia: Ubuntu 24.04.3 LTS "Noble Numbat" - Release amd64 (20250805.1) - MachineType: LENOVO 21E3S06300 - ProcEnviron: - LANG=en_US.UTF-8 - PATH=(custom, no user) - SHELL=/bin/bash - TERM=xterm-256color - ProcFB: 0 i915drmfb - ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-6.17.0-22-generic root=UUID=ee2fcb29-9f5e-4a6a-8878-f609820745bc ro quiet splash vt.handoff=7 - RebootRequiredPkgs: Error: path contained symlinks. - RelatedPackageVersions: - linux-restricted-modules-6.17.0-22-generic N/A - linux-backports-modules-6.17.0-22-generic N/A - linux-firmware 20240318.git3b128b60-0ubuntu2.27 - SourcePackage: linux-hwe-6.17 - UpgradeStatus: No upgrade log present (probably fresh install) - dmi.bios.date: 02/10/2026 - dmi.bios.release: 1.34 - dmi.bios.vendor: LENOVO - dmi.bios.version: R1SET63W(1.34) - dmi.board.asset.tag: Not Available - dmi.board.name: 21E3S06300 - dmi.board.vendor: LENOVO - dmi.board.version: Not Defined - dmi.chassis.asset.tag: No Asset Tag - dmi.chassis.type: 10 - dmi.chassis.vendor: LENOVO - dmi.chassis.version: None - dmi.ec.firmware.release: 1.34 - dmi.modalias: dmi:bvnLENOVO:bvrR1SET63W(1.34):bd02/10/2026:br1.34:efr1.34:svnLENOVO:pn21E3S06300:pvrThinkPadE14Gen4:rvnLENOVO:rn21E3S06300:rvrNotDefined:cvnLENOVO:ct10:cvrNone:skuLENOVO_MT_21E3_BU_Think_FM_ThinkPadE14Gen4: - dmi.product.family: ThinkPad E14 Gen 4 - dmi.product.name: 21E3S06300 - dmi.product.sku: LENOVO_MT_21E3_BU_Think_FM_ThinkPad E14 Gen 4 - dmi.product.version: ThinkPad E14 Gen 4 - dmi.sys.vendor: LENOVO + This appears to be an Intel iwlwifi firmware/driver issue rather than an + access point issue. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2161063 Title: Intel AX211 Wi-Fi firmware repeatedly crashes causing intermittent Wi- Fi disconnections on Lenovo ThinkPad E14 Gen 4 running Ubuntu 24.04.4 LTS. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-hwe-6.17/+bug/2161063/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
