Nebula, in order to see if this is already fixed in a kernel series prior to 3.17.x, could you please install the supported package linux- generic-lts-utopic , reboot into this new kernel, and advise to the results?
uname -a Linux monikerpc 3.16.0-28-generic #38-Ubuntu SMP Sat Dec 13 16:13:28 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux apt-cache policy linux-generic-lts-utopic linux-generic-lts-utopic: Installed: 3.16.0.28.21 Candidate: 3.16.0.28.21 Version table: 3.16.0.29.22 0 400 http://archive.ubuntu.com/ubuntu/ trusty-proposed/main amd64 Packages *** 3.16.0.28.21 0 500 http://us.archive.ubuntu.com/ubuntu/ trusty-updates/main amd64 Packages 500 http://security.ubuntu.com/ubuntu/ trusty-security/main amd64 Packages 100 /var/lib/dpkg/status ** Changed in: linux (Ubuntu) Status: Expired => Incomplete ** Tags added: kernel-fixed-upstream needs-reverse-bisect -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1372393 Title: [Acer Aspire E5-572G] touchpad not recognised To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1372393/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs