Did this issue start happening after an update/upgrade? Was there a prior kernel version where you were not having this particular problem?
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-rc4 ** Changed in: linux (Ubuntu) Importance: Undecided => Medium -- 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/1769376 Title: NMI watchdog: Watchdog detected hard LOCKUP on cpu x Status in linux package in Ubuntu: Incomplete Bug description: Machine: ASUS ROG GL753VE Laptop Clean install of Ubuntu 18.04 LTS (I've reinstalled several times and get same error). This is the error: NMI watchdog: Watchdog detected hard LOCKUP on cpu x (where x is some cpu #) I am also seeing the following errors at random: watchdog: BUG: soft lockup - CPU#X stuck for 23s! [kworker/3:0:29] watchdog: BUG: soft lockup - CPU#X stuck for 23s! [systemd-udevd:335] watchdog: BUG: soft lockup - CPU#X stuck for 23s! [systemd-udevd:575] Unfortunately due to the nature of this bug, I cannot gather any logs or report using the Terminal. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1769376/+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
