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

Sebastian Kügler sebas at kde.org
Tue Mar 14 08:36:24 GMT 2006


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.)
-- 
sebas

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