Would it be possible for you to test the latest upstream kernel? Refer to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest v4.17 kernel[0].
If this bug is fixed in the mainline kernel, please add the following tag 'kernel-fixed-upstream'. If the mainline kernel does not fix this bug, please add the tag: 'kernel-bug-exists-upstream'. Once testing of the upstream kernel is complete, please mark this bug as "Confirmed". Thanks in advance. [0] http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.17 -- 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/1775230 Title: TP-LINK TL-WN722N causes 100% CPU usage due to trace logging Status in linux package in Ubuntu: Confirmed Status in network-manager package in Ubuntu: New Bug description: Hello. Running Ubuntu 18.04 (4.15.0-22-generic), after plugging my TP-LINK TL-WN722N into the USB port, the CPU usage goes to 100%, and there are multiple reports of "stack traces" in dmesg. The attached snippet repeats multiple consecutive times in the dmesg output (albeit with a different trace id). To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1775230/+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
