This bug is missing log files that will aid in diagnosing the problem.
>From a terminal window please run:
apport-collect 1586552
and then change the status of the bug to 'Confirmed'.
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This change has been made by an automated script, maintained by the
Ubuntu Kernel Team.
** Changed in: linux (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/1586552
Title:
trackpad on MacBook not working with 4.4.0-22 update
Status in linux package in Ubuntu:
Incomplete
Bug description:
After updating the kernel to 4.4.0-22 the trackpad on my MacBook Air no
longer works.
It looks like the usbmouse driver loads first and associates with the
touchpad, and this prevents the bcm5974 module from acquiring the hardware.
I was able to resolve the problem by manually unloading the usbmouse module,
then reloading bcm5974:
modprobe -r usbmouse
modprobe -r bcm5974
modprobe bcm5974
This is on 16.04 LTS, fully updated.
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: linux-base 4.0ubuntu1
ProcVersionSignature: Ubuntu 4.4.0-22.40-generic 4.4.8
Uname: Linux 4.4.0-22-generic x86_64
NonfreeKernelModules: wl
ApportVersion: 2.20.1-0ubuntu2.1
Architecture: amd64
CurrentDesktop: Unity
Date: Sat May 28 08:19:30 2016
Dependencies:
InstallationDate: Installed on 2016-05-09 (18 days ago)
InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Release amd64
(20160420.1)
PackageArchitecture: all
SourcePackage: linux-base
UpgradeStatus: No upgrade log present (probably fresh install)
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