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 v4.15 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/v4.15-rc6/ ** 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/1740570 Title: busy cpu Status in linux package in Ubuntu: Incomplete Bug description: This kernal causes excess cpu usage, on my system, which is an amd 450 athlon 8 gb ram hd 6670 gpu, m3n78-cm motherboard, after running for a short while (approx 15 to 20 mins) the cpu doesnt go below 50% usage, the system also, slows to a snails pace. changing the kernel cured the issue. although I could not isolate the offending cause, possibly bleach bit or opera browser. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1740570/+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
