From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mx3.redhat.com (mx3.redhat.com [172.16.48.32]) by int-mx1.corp.redhat.com (8.13.1/8.13.1) with ESMTP id m58M17iu030104 for ; Sun, 8 Jun 2008 18:01:07 -0400 Received: from smtp1.versatel.nl (smtp1.versatel.nl [62.58.50.88]) by mx3.redhat.com (8.13.8/8.13.8) with ESMTP id m58M0qND006091 for ; Sun, 8 Jun 2008 18:00:53 -0400 Message-ID: <484C568C.1060703@hhs.nl> Date: Mon, 09 Jun 2008 00:00:44 +0200 From: Hans de Goede MIME-Version: 1.0 To: Laurent Pinchart References: <484934FD.1080401@hhs.nl> <200806070054.51210.laurent.pinchart@skynet.be> <484A2B45.1090200@hhs.nl> <200806082323.41607.laurent.pinchart@skynet.be> In-Reply-To: <200806082323.41607.laurent.pinchart@skynet.be> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Cc: video4linux-list@redhat.com Subject: Re: uvc open/close race (Was Re: v4l1 compat wrapper version 0.3) List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: video4linux-list-bounces@redhat.com Errors-To: video4linux-list-bounces@redhat.com List-ID: Laurent Pinchart wrote: >> I'm using a Logitech sphere usb id: 046d:08cc >> >> Fedora kernel: kernel-2.6.25-8.fc9, which includes UVC (added by Fedora). > > That's a very buggy webcam. It has nasty firmware issues. See > http://www.quickcamteam.net/documentation/faq/logitech-webcam-linux-usb-incompatibilities > Ah, I already feared that much, so its not MS's fault it doesn't work out of the box with vista then :) >>> I would also appreciate if you could check the kernel log >>> for error messages after triggering the problem. >> No messages I'm afraid. > > Now that's weird. The only error path that can return -EIO print a message to > the kernel log. Could you please double check ? > Done, There are some messages like this one: uvcvideo: Failed to query (135) UVC control 7 (unit 2) : -75 (exp. 2). (Also with different numbers) but those seemed harmless to me, as I interpreted them as could not get brightness / contrast / hue / etc. But maybe I misinterpreted them, sorry I should have reported them the first time. Regards, Hans -- video4linux-list mailing list Unsubscribe mailto:video4linux-list-request@redhat.com?subject=unsubscribe https://www.redhat.com/mailman/listinfo/video4linux-list