Hi Alex,
On Wednesday 07 December 2011 11:48:36 Alex wrote:
> On 11/30/2011 04:51 AM, Laurent Pinchart wrote:
> > On Monday 28 November 2011 22:53:19 Alex wrote:
> >> On 11/28/2011 10:20 PM, Laurent Pinchart wrote:
> >>> On Monday 28 November 2011 20:14:25 Alex wrote:
> >>>> On 11/28/2011 10:08 PM, Laurent Pinchart wrote:
> >>>>> On Monday 28 November 2011 19:04:22 Alex wrote:
> >>>>>> Fortunately my laptop is alive now so I'm sending you lsusb output.
> >>>>>
> >>>>> Thanks. Would you mind re-running lsusb -v -d '04f2:b221' as root ?
> >>>>> What laptop brand/model is the camera embedded in ?
> >>>>>
> >>>>>> About reverting commit - will try bit later.
> >>>>>
> >>>>> I've received reports that reverting the commit helps. A proper patch
> >>>>> has also been posted to the linux-usb mailing list ("EHCI : Fix a
> >>>>> regression in the ISO scheduler"). It would be nice if you could
> >>>>> check whether that fixes your first issue as well.
> >>>>
> >>>> That is lsusb output you asked. Laptop is Thinkpad T420s. Camera works
> >>>> OK with 3.1.x kernel BTW.
> >>>
> >>> Thank you.
> >>>
> >>>> Could you send this fix patch to me please?
> >>>
> >>> http://www.spinics.net/lists/linux-usb/msg54992.html
> >>>
> >>> It was the first hit on Google...
> >>
> >> Laurent,
> >>
> >> Seems this patch didn't help I recompiled kernel and still get same
> >> error: [ 101.100914] uvcvideo: Failed to query (SET_CUR) UVC control
> >> 10 on unit 2: -32 (exp. 2).
> >> [ 103.900163] uvcvideo: Failed to query (SET_CUR) UVC control 10 on
> >> unit 2: -32 (exp. 2).
> >> [ 103.909735] uvcvideo: Failed to submit URB 0 (-28).
> >> [ 107.896939] uvcvideo: Failed to query (SET_CUR) UVC control 10 on
> >> unit 2: -32 (exp. 2).
> >
> > I'm surprised. The patch has been included in 3.1.4, could you please try
> > it ?
>
> Laurent,
>
> It works ok with 3.1.4 as with all other 3.1.x version. But doesn't work
> with 3.2-rc4 and previous
The fix for the "Failed to submit URB" error is in Linus' tree, and will be in
v3.2-rc5.
--
Regards,
Laurent Pinchart
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