Re: -rc6: something (probably active usb bluetooth) blocks suspend

Oliver Neukum
2009-11-16T13:47:51Z

Am Samstag, 14. November 2009 12:10:21 schrieb Pavel Machek:
> On Mon 2009-11-16 12:48:29, Oliver Neukum wrote:
> > Am Montag, 16. November 2009 12:22:54 schrieb Pavel Machek:
> >
> > Hi Pavle,
> >
> :-)
> :
> > first the obvious question. Does it work if you down the interface?
> > (not by killswitch)
>
> Well, I'm not sure how repeatable it is. It happens once in two tries
> today.

Ok, so it looks like a race.

> > > usb 5-1: usb suspend
> > > usb 5-1: usb auto-resume
> > > uhci_hcd 0000:00:1d.3: port 1 portsc 0095,01
> > > usb 5-1: finish resume
> > > uhci_hcd 0000:00:1d.3: reserve dev 2 ep81-INT, period 1, phase 0, 23
> > > us
> >
> > Why is the device autoresumed here? Are you using autosuspend?
> > This is odd, as the freezer should block the send path and remote
> > wakeups should be deferred.
>
> I believe I have it enabled in kconfig but not during runtime.

Please check.

> (Another problem is that I need to turn the kill switch on/off to get
> my bt usb after resume. That used not be the case long time ago.)

That is possibly another problem.

Regards
Oliver