Re: webcam problem after suspend/hibernate
From: Pavel Machek
Date: Sun Apr 04 2010 - 09:22:54 EST
> > > Do you mean the dmesg output ?
> > > A full dmesg is included in this address :
> > > http://pastebin.com/8XU619Uk
> > > Not in all suspend/hibernate the problem comes, only in some of them
> > > and this included dmesg output is just after a non working case of
> > > webcam fault.
> > >
> > >
> > > I also have found this in `/var/log/messages | grep uvcvideo`
> > > Mar 31 00:31:16 linux-l365 kernel: [399905.714743] usbcore:
> > > deregistering interface driver uvcvideo
> > > Mar 31 00:31:24 linux-l365 kernel: [399914.121386] uvcvideo: Found UVC
> > > 1.00 device LG Webcam (0c45:62c0)
> > > Mar 31 00:31:24 linux-l365 kernel: [399914.135661] usbcore: registered
> > > new interface driver uvcvideo
> > Also try unloading uvcvideo before suspend and reloading it after
> > resume...
> I have a similar problem with a Creative Optia webcam.
> I have found that removing the ehci_hcd module and reinserting it
> fixes the problem.
> If your kernel ships with ehci_hcd built-in (F11 and later), the
> script included also fixes the problem (it rebind the device).
> Of course, I'd love to see this issue fixed.
If unload/reload of uvcvideo helps, it is most likely problem in that.
If unload/reload of ehci_hcd is needed, it is most likely ehci problem.
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/