It seems more like a hardware fault than a Ubuntu bug since I tried several distros and it always occurs. Even in Windows, cursor behaves not normal (gets stuck, no jumping but still faulty behaviour). I sent the machine for repair.
-- 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/1490440 Title: cursor jumps around randomly Status in linux package in Ubuntu: Incomplete Bug description: after a while of usage the cursor might start to jump around randomly very quickly and also begin to click sometimes randomly. it cannot be stopped permanently. it will eventually get stuck in a place and will not respond to any input any longer until reboot. once this random movements started, reboot will only fix it for a short amount of time. switching from advanced touchpad to basic will not eliminate this bug. Acer Travelmate B115-M ProblemType: Bug DistroRelease: Ubuntu 15.04 Package: unity 7.3.2+15.04.20150420-0ubuntu1 [origin: unknown] ProcVersionSignature: Ubuntu 3.19.0-26.28-generic 3.19.8-ckt4 Uname: Linux 3.19.0-26-generic x86_64 ApportVersion: 2.17.2-0ubuntu1.3 Architecture: amd64 CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins' CrashDB: unity CurrentDesktop: Unity Date: Mon Aug 31 10:43:27 2015 InstallationDate: Installed on 2015-08-30 (0 days ago) InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Release amd64 (20150422) SourcePackage: unity UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1490440/+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