Re: Re: [linux-usb-devel] ehci_hcd causes box to resume immediately after suspend to RAM

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> > > I've tried to suspend with the controller in that state, but it's resumed
> > > immediately, as before.
> > > 
> > > > Maybe also see what ACPI reports.
> > > 
> > > How can I see that?
> > 
> > I wish I knew.  Maybe you can try asking on the ACPI mailing list.
> > 
> > The simplest workaround should be to disable remote wakeup for that 
> > controller:
> > 
> > 	echo disable >/sys/bus/pci/devices/.../power/wakeup
> 
> I tried that but it didn't help.  Namely, the box resumed right after
> suspending as it had done before.
> 
> The only way to prevent it from resuming immediately after the suspend is to
> 'rmmod ehci_hcd' before the suspend.
> 
> Interestingly enough, I have no such problems with EHCI on the other test box
> that is able to suspend to RAM and resume.
> 
What's the kernel version you are using?
Is it the same problem shown here?
http://lkml.org/lkml/2007/5/18/55
2.6.22-rc1-mm1 may have this problem.


Thanks,
Rui
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