Thanks for the information. The bug is unfortunately still reproductible with BIOS version 213 so BIOS upgrade is not an improvement. After the login to the desktop (maybe one minute after) the touchpad crashed with the same messages.
The needed output about BIOS: E403SA.213 09/09/2015 Bug changed to 'Confirmed'. ** Changed in: linux (Ubuntu) Status: Incomplete => Confirmed -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1536038 Title: ELAN1000 touchpad not recognised correctly, with upstream kernel it recognised, but freezes randomly To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1536038/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs