Stefan Bethge, the issue you are reporting is an upstream one. Could you please report this problem following the instructions verbatim at https://wiki.ubuntu.com/Bugs/Upstream/kernel to the appropriate mailing list (TO Henrik Rydberg, and Dmitry Torokhov CC linux-input)?
Please provide a direct URL to your post to the mailing list when it becomes available so that it may be tracked. Thank you for your help. ** Changed in: linux (Ubuntu) Status: Incomplete => Triaged -- 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/1257547 Title: [bcm5974] Apple touchpad fails to respond, dmesg contains multiple mesages of form: bcm5974: bad trackpad package, length: 8 Status in linux package in Ubuntu: Triaged Bug description: Have Apple Macbook pro 8,1. With Trusty devel, occasionally (i.e. twice in the last 3 weeks) my trackpad completely stopped functioning. From then on, dmesg is full of these messages: bcm5974: bad trackpad package, length: 8 WORKAROUND: Remove and re-load bcm5974. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1257547/+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