Re: Acer Aspire 1690 Suspend/Hibernate Report with 2.6.29-rc3

Alan Stern
2009-01-30T14:54:58Z

On Fri, 30 Jan 2009, Daniel Qarras wrote:

> > The log doesn't indicate a real cause. It does show
> > that wakeup was disabled on the EHCI controller, but nevertheless that
> > controller must have been responsible for waking up your system when the
> > mouse was plugged back in. You can test this by unloading ehci-hcd
> > before suspending.
>
> Correct, I tested suspend after removing the offending module and
> plugging the mouse does not wake the machine anymore! One thing is
> still different when comparing to Win XP (if I may): hitting mouse
> buttons will activate the internal led while in suspend even after
> removing the module but nothing done with the mouse wakes the
> machine.

This is probably because the mouse itself is enabled for wakeup even
though the host controller isn't. In theory the mouse should turn its
LED back off after a few tens of milliseconds; the fact that it doesn't
means it is not fully compliant with the USB spec.

Alan Stern