From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mx4.wp.pl ([212.77.101.8]:39113 "EHLO mx4.wp.pl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754212Ab1CBP5K (ORCPT ); Wed, 2 Mar 2011 10:57:10 -0500 Received: from dnx210.neoplus.adsl.tpnet.pl (HELO [192.168.2.5]) (laurentp@[83.24.105.210]) (envelope-sender ) by smtp.wp.pl (WP-SMTPD) with AES256-SHA encrypted SMTP for ; 2 Mar 2011 16:57:07 +0100 Message-ID: <4D6E68D1.6050209@wp.pl> Date: Wed, 02 Mar 2011 16:57:05 +0100 From: "W.P." MIME-Version: 1.0 To: linux-media@vger.kernel.org Subject: Big ptoblem with small webcam Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit List-ID: Sender: Hi there, I just got an Creative VGA (640x480) USB Live Webcam, VF0520. lsusb (partial): Bus 003 Device 007: ID 041e:406c Creative Technology, Ltd Device Descriptor: bLength 18 bDescriptorType 1 bcdUSB 2.00 bDeviceClass 239 Miscellaneous Device bDeviceSubClass 2 ? bDeviceProtocol 1 Interface Association bMaxPacketSize0 64 idVendor 0x041e Creative Technology, Ltd idProduct 0x406c bcdDevice 10.19 iManufacturer 1 Creative Labs iProduct 3 VF0520 Live! Cam Sync iSerial 0 bNumConfigurations 1 lsmod | grep vid: uvcvideo 50184 0 compat_ioctl32 5120 1 uvcvideo videodev 32000 1 uvcvideo v4l1_compat 15876 2 uvcvideo,videodev uname -a (kernel from Fedora 10): [root@laurent-home ~]# uname -a Linux laurent-home 2.6.27.5-117.fc10.i686 #1 SMP Tue Nov 18 12:19:59 EST 2008 i686 athlon i386 GNU/Linux Problem: device nodes are created, but NO video in gmplayer, tvtime complains: can't open /dev/video0. Only trace in syslog is: Mar 2 16:26:56 laurent-home kernel: uvcvideo: Failed to submit URB 0 (-28). Webcam is connected to VIA USB 2.0 controller through a USB 2.0 hub. What is strange, two days ago I tried apparently the same (model VFxxxx) with SUCCESS. Device seems working in Windoze (Ekiga). What should I check/ do? W.P.