From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail-bw0-f46.google.com ([209.85.214.46]:50185 "EHLO mail-bw0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750991Ab1LJTPc (ORCPT ); Sat, 10 Dec 2011 14:15:32 -0500 Received: by bkcjm19 with SMTP id jm19so202545bkc.19 for ; Sat, 10 Dec 2011 11:15:31 -0800 (PST) Message-ID: <4EE3AFC0.5030507@gmail.com> Date: Sat, 10 Dec 2011 22:15:12 +0300 From: Alex MIME-Version: 1.0 To: Laurent Pinchart CC: linux-media@vger.kernel.org Subject: Re: uvcvideo: Failed to query (SET_CUR) UVC control 10 on unit 2: -32 (exp. 2). References: <4ED29713.1010202@gmail.com> <201111300251.55083.laurent.pinchart@ideasonboard.com> <4EDF4484.5090108@gmail.com> <201112071208.37000.laurent.pinchart@ideasonboard.com> In-Reply-To: <201112071208.37000.laurent.pinchart@ideasonboard.com> Content-Type: text/plain; charset=ISO-8859-15; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-media-owner@vger.kernel.org List-ID: Hi Laurent, On 12/07/2011 02:08 PM, Laurent Pinchart wrote: > 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. > It works OK with 3.2-rc5, Thanks, Alex