** Description changed: my hardware : laptop Asus N751JK Network controller: Qualcomm Atheros AR9462 Wireless Network Adapter (rev 01) Subsystem: AzureWave AR9462 Wireless Network Adapter - I was runing Ubuntu 20.10, 21.04 up to Ubuntu 21.10 with Kernel 5.13.0 without any problem. - When migrated to Ubuntu 22.04 which installs Kernel 5.15.5 then the problems started. + I was runing Ubuntu 20.10, 21.04 up to Ubuntu 21.10 with Ubuntu Kernel 5.13.0 without any problem. + When migrated to Ubuntu 22.04 which installs Ubuntu Kernel 5.15.0.x (which corresponds to Mainline Kernel 5.15.5) then the problems started. - I upgraded and tested unsuccessfully the following Kernels : 5.15.28, - 5.15.36, 5.16.14, 5.16.20, 5.17.4, 5.17.5 + I upgraded and tested unsuccessfully the following Mainline Kernels : + 5.15.28, 5.15.36, 5.16.14, 5.16.20, 5.17.4, 5.17.5 I disabled the power save as explained at https://askubuntu.com/questions/1403773/22-04-wifi-keeps-disconnecting-for-a-few-seconds-frequently/1404471#1404471 without improvement in any of the Kernels tested. Also the "intel_iommu=off" mentioned at https://groups.google.com/g/linux.debian.kernel/c/RFpPIp0cncA/m/v9ELDxLICgAJ Bug#994590 didn't help. - I downgraded and currently running without any problem using the Kernels - 5.13.19-051319-generic or 5.15.0 or 5.15.4 + I downgraded and currently running without any problem using the Ubuntu + Kernels 5.13.19-051319-generic or Mainline Kernels 5.15.0 or 5.15.4 There is no problem in my airpoint (router) nor my internet access, I have other different computers and devices working correctly on wifi. In addition my N751JK works correctly when using the Ethernet adapter for the physical cable. - seems to be something between 5.15.4 and 5.15.5 that is also propagated - to 5.16.x and 5.17.x + seems to be something between Mainline Kernels 5.15.4 and 5.15.5 that is + also propagated to 5.16.x and 5.17.x (started at https://bugzilla.kernel.org/show_bug.cgi?id=215918) - --- + --- ProblemType: Bug ApportVersion: 2.20.11-0ubuntu82 Architecture: amd64 CasperMD5CheckResult: unknown DistroRelease: Ubuntu 22.04 InstallationDate: Installed on 2021-02-21 (432 days ago) InstallationMedia: Ubuntu 20.10 "Groovy Gorilla" - Release amd64 (20201022) NonfreeKernelModules: nvidia_modeset nvidia Package: linux (not installed) Tags: jammy Uname: Linux 5.15.5-051505-generic x86_64 UnreportableReason: The running kernel is not an Ubuntu kernel UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: N/A _MarkForUpload: True
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1970965 Title: Wifi randomly disconnects [AR9462] To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1970965/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
