Am Mittwoch 21 November 2007 schrieb Markus Rechberger:
> On 11/21/07, Markus Rechberger <[email protected]> wrote:
> > On 11/21/07, Mark Lord <[email protected]> wrote:
> > > Markus Rechberger wrote:
> > > > Hi,
> > > >
> > > > I'm looking at the linux uvc driver, and noticed after resuming my
> > > ..
> > >
> > > Pardon me.. what is the "uvc" driver? Which module/source file is that?
> > >
> >
> > http://linux-uvc.berlios.de/ it's not yet included in the kernel
> > sources although many distributions already ship it.
> > A "dry" run putting the device into sleep mode works fine (I added a
> > proc interface for calling those suspend/resume function).
> >
>
> it's not just usb_set_interface that hangs actually.
> It seems to hang at
>
> wait_event(usb_kill_urb_queue, atomic_read(&urb->use_count) == 0);
>
> in drivers/usb/core/urb.c after resuming. I disabled access to the usb
> subsystem in the uvc driver, although connecting any other usb storage
> fails too, just at the same point.
Which URB is usb_kill_urb() called for?
Regards
Oliver
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