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Bug#764073: xserver-xorg-input-synaptics: bcm5974 (Apple unibody trackpad) fails after extended idle



Control: reassign -1 src:linux 3.14.15-2

On Sun, Oct  5, 2014 at 11:24:05 +0200, Riccardo Boninsegna wrote:

> Package: xserver-xorg-input-synaptics
> Version: 1.8.1-1
> Severity: normal
> 
> Last night, I left my computer by turning down the screen brighness to zero and the keyboard's to about 20%.
> When I increased them again this morning, the mouse cursor wouldn't move. I immediately tried touching the trackpad with the whole palm (an empirical "fix" for a problem I experienced while running my computer without battery where the cursor would stop moving after clicking), which didn't help.
> Removing and reloading the module fixed the problem; I'm not aware of this issue having ever repeated.
> 
> selection of dmesg output follows:
> [455030.430023] JBD2: Error -5 detected when updating journal superblock for sdb1-8.
> [491747.172823] bcm5974: bad trackpad package, length: 8
> [491747.180897] bcm5974: bad trackpad package, length: 8
> [491747.187898] bcm5974: bad trackpad package, length: 8
> [491747.196890] bcm5974: bad trackpad package, length: 8
> [...]
> [491769.758147] bcm5974: bad trackpad package, length: 8
> [491780.974885] usbcore: deregistering interface driver bcm5974
> [491785.276737] input: bcm5974 as /devices/pci0000:00/0000:00:1a.7/usb3/3-1/3-1.2/3-1.2:1.2/input/input18
> [491785.277028] usbcore: registered new interface driver bcm5974
> 
Sounds like a kernel issue, reassigning.

Cheers,
Julien

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