tag 535051 +confirmed
thanks

Hi Marcus,

Thanks for reporting this bug.

> The USB autosuspend feature may cause problems with many USB keyboards
> and mice on kernel 2.6.30. Many such devices have broken autosuspend
> support, so that they take a lot of time to wake up, resulting in lost
> keystrokes or mouse events for extended periods of time.
>
> Previous kernels did not autosuspend HID devices, therefore this
> problem did not appear.
>
> The unconditional USB autosuspend is probably a bad idea. At the very
> least, there should be a prominent warning in
> /etc/laptop-mode/conf.d/usb-autosuspend.conf.
>

Yes, we should conditionally auto-suspend.

I'll also document this behavior in the configuration file but the
problem with the kernel is that it exposes an interface and I use it.
The interface says that it has the autosuspend capability, it doesn't
put an exception for broken drivers.

Ritesh
--
Ritesh Raj Sarraf
RESEARCHUT - http://www.researchut.com
"Necessity is the mother of invention."



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