Question on Hibernate/Stand By on a laptop -- Possible Bug??

Jonathan Jesse jjesse at iserv.net
Tue Mar 14 13:10:23 GMT 2006


On Tuesday 14 March 2006 03:36, Sebastian Kügler wrote:
> On Tuesday 14 March 2006 02:05, Jonathan Jesse wrote:
> > > It's probably a kernel bug. Does it work if you unload the host
> > > controller driver (here, it's uhci_hcd) before suspending en reload
> > > afterwards? You might want to stop hotplug before and restart it
> > > afterwards, if you use it,
> > >
> > > to prevent having the driver reloaded automatically.)
> >
> > USB is known to be problematic on STD and STR on linux. powersaved
> > therefore unloads the usb_storage, ohci_hcd and uhci_hcd modules before
> > entering STR/STD.
> >
> > Sorry, not very technical, but what does this mean in simple language?
> > Does unplugging my USB mouse "unload" the device?
>
> No. But if you hibernate from a script, try:
>
> /etc/init.d/hotplug stop
> rmmod uhci_hcd
> hibernate
> modprobe uhci_hcd
> /etc/init.d/hotplug restart
>
> (Check with lsmod which *hcd driver is loaded.)
Do i need to do that before I hit the function key on my laptop?  FN+Esc is 
stand by and FN+F1 is hibernate.  Either one functions the same way with the 
USB mouse conntected



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