From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail-ey0-f174.google.com ([209.85.215.174]:45028 "EHLO mail-ey0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754308Ab1LGKsn (ORCPT ); Wed, 7 Dec 2011 05:48:43 -0500 Received: by eaak14 with SMTP id k14so320498eaa.19 for ; Wed, 07 Dec 2011 02:48:42 -0800 (PST) Message-ID: <4EDF4484.5090108@gmail.com> Date: Wed, 07 Dec 2011 13:48:36 +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> <201111282020.47745.laurent.pinchart@ideasonboard.com> <4ED402CF.2010100@gmail.com> <201111300251.55083.laurent.pinchart@ideasonboard.com> In-Reply-To: <201111300251.55083.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: On 11/30/2011 04:51 AM, Laurent Pinchart wrote: > Hi Alex, > > 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 Thanks, Alex