Would it be possible for you to test the latest upstream kernel? Refer to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest v4.19 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/v4.19-rc5 ** Package changed: linux-hwe (Ubuntu) => linux (Ubuntu) ** Changed in: linux (Ubuntu) Importance: Undecided => Medium ** Changed in: linux (Ubuntu) Status: New => Incomplete -- 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/1794335 Title: 4.13 --> 4.15 ksmd usage increases substantially Status in linux package in Ubuntu: Incomplete Bug description: Not too long ago the provided kernel for Xenial was updated from 4.13 to 4.15. I use KSM a fair bit and it has worked nicely. ksmd would peak at around 1% CPU, which is fine. However, now that I have moved up to 4.15 ksmd averages 15% CPU, which is not fine. There are a lot of commits between these two versions. Will do the usual testing and update asap. ProblemType: Bug DistroRelease: Ubuntu 16.04 Package: linux-image-4.15.0-34-generic 4.15.0-34.37~16.04.1 ProcVersionSignature: Ubuntu 4.15.0-34.37~16.04.1-generic 4.15.18 Uname: Linux 4.15.0-34-generic i686 ApportVersion: 2.20.1-0ubuntu2.18 Architecture: i386 CurrentDesktop: MATE Date: Tue Sep 25 18:31:02 2018 SourcePackage: linux-hwe UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1794335/+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
