UÅytkownik W.P. napisaÅ: > 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? > [added] syslog with modprobe trace=65535: Mar 2 18:24:00 laurent-home kernel: uvcvideo: Found UVC 1.00 device VF0520 Liv e! Cam Sync (041e:406c) Mar 2 18:24:00 laurent-home kernel: uvcvideo: Found a valid video chain (1 -> 2). Mar 2 18:24:00 laurent-home kernel: usbcore: registered new interface driver u vcvideo Mar 2 18:24:23 laurent-home kernel: VIDIOC_QUERYCAP<7>uvcvideo: uvc_v4l2_ioctl Mar 2 18:24:23 laurent-home kernel: VIDIOC_G_FMT<7>uvcvideo: uvc_v4l2_ioctl Mar 2 18:24:23 laurent-home kernel: VIDIOC_G_STD<7>uvcvideo: Unsupported ioctl 0x80085617 Mar 2 18:24:23 laurent-home kernel: VIDIOC_G_PARM<7>uvcvideo: uvc_v4l2_ioctl Mar 2 18:24:23 laurent-home kernel: VIDIOC_ENUMSTD<7>uvcvideo: Unsupported ioc tl 0xc0405619 Mar 2 18:24:23 laurent-home kernel: VIDIOC_ENUMINPUT<7>uvcvideo: uvc_v4l2_ioct l Mar 2 18:24:23 laurent-home kernel: VIDIOC_ENUMINPUT<7>uvcvideo: uvc_v4l2_ioct l Mar 2 18:24:23 laurent-home kernel: VIDIOC_G_INPUT<7>uvcvideo: uvc_v4l2_ioctl Mar 2 18:24:23 laurent-home kernel: VIDIOC_ENUM_FMT<7>uvcvideo: uvc_v4l2_ioctl Mar 2 18:24:23 laurent-home kernel: VIDIOC_ENUM_FMT<7>uvcvideo: uvc_v4l2_ioctl Mar 2 18:24:23 laurent-home kernel: VIDIOC_G_FMT<7>uvcvideo: uvc_v4l2_ioctl Mar 2 18:24:23 laurent-home kernel: VIDIOC_S_FMT<7>uvcvideo: Trying format 0x4 7504a4d (MJPG): 640x480. Mar 2 18:24:23 laurent-home kernel: VIDIOC_G_FMT<7>uvcvideo: uvc_v4l2_ioctl Mar 2 18:24:23 laurent-home kernel: VIDIOC_S_FMT<7>uvcvideo: Trying format 0x3 2315659 (YV12): 640x480. Mar 2 18:24:23 laurent-home kernel: VIDIOC_G_FMT<7>uvcvideo: uvc_v4l2_ioctl Mar 2 18:24:23 laurent-home kernel: VIDIOC_S_FMT<7>uvcvideo: Trying format 0x3 2315559 (YU12): 640x480. Mar 2 18:24:23 laurent-home kernel: VIDIOC_G_FMT<7>uvcvideo: uvc_v4l2_ioctl Mar 2 18:24:23 laurent-home kernel: VIDIOC_S_FMT<7>uvcvideo: Trying format 0x5 9565955 (UYVY): 640x480. Mar 2 18:24:23 laurent-home kernel: VIDIOC_G_FMT<7>uvcvideo: uvc_v4l2_ioctl Mar 2 18:24:23 laurent-home kernel: VIDIOC_S_FMT<7>uvcvideo: Trying format 0x5 6595559 (YUYV): 640x480. Mar 2 18:24:23 laurent-home kernel: VIDIOC_G_FMT<7>uvcvideo: uvc_v4l2_ioctl Mar 2 18:24:23 laurent-home kernel: VIDIOC_S_FMT<7>uvcvideo: Trying format 0x3 4424752 (RGB4): 640x480. Mar 2 18:24:23 laurent-home kernel: VIDIOC_G_FMT<7>uvcvideo: uvc_v4l2_ioctl Mar 2 18:24:23 laurent-home kernel: VIDIOC_S_FMT<7>uvcvideo: Trying format 0x3 3424752 (RGB3): 640x480. Mar 2 18:24:23 laurent-home kernel: VIDIOC_G_FMT<7>uvcvideo: uvc_v4l2_ioctl Mar 2 18:24:23 laurent-home kernel: VIDIOC_S_FMT<7>uvcvideo: Trying format 0x5 2474210 (BGR): 640x480. Mar 2 18:24:23 laurent-home kernel: VIDIOC_G_FMT<7>uvcvideo: uvc_v4l2_ioctl Mar 2 18:24:23 laurent-home kernel: VIDIOC_S_FMT<7>uvcvideo: Trying format 0x5 247420f (BGR): 640x480. Mar 2 18:24:23 laurent-home kernel: VIDIOC_ENUMINPUT<7>uvcvideo: uvc_v4l2_ioct l Mar 2 18:24:23 laurent-home kernel: VIDIOC_S_INPUT<7>uvcvideo: uvc_v4l2_ioctl Mar 2 18:24:23 laurent-home kernel: VIDIOC_ENUMSTD<7>uvcvideo: Unsupported ioc tl 0xc0405619 Mar 2 18:24:23 laurent-home kernel: VIDIOC_ENUMSTD<7>uvcvideo: Unsupported ioc tl 0xc0405619 Mar 2 18:24:23 laurent-home kernel: VIDIOC_G_FMT<7>uvcvideo: uvc_v4l2_ioctl Mar 2 18:24:23 laurent-home kernel: VIDIOC_G_FMT<7>uvcvideo: uvc_v4l2_ioctl Mar 2 18:24:23 laurent-home kernel: VIDIOC_G_FMT<7>uvcvideo: uvc_v4l2_ioctl Mar 2 18:24:23 laurent-home kernel: VIDIOC_REQBUFS<7>uvcvideo: uvc_v4l2_ioctl Mar 2 18:24:23 laurent-home kernel: VIDIOC_QUERYBUF<7>uvcvideo: uvc_v4l2_mmap Mar 2 18:24:23 laurent-home kernel: VIDIOC_QBUF<7>uvcvideo: Queuing buffer 0. Mar 2 18:24:23 laurent-home kernel: VIDIOC_QUERYBUF<7>uvcvideo: uvc_v4l2_mmap Mar 2 18:24:23 laurent-home kernel: VIDIOC_QBUF<7>uvcvideo: Queuing buffer 1. Mar 2 18:24:23 laurent-home kernel: VIDIOC_S_CTRL<7>uvcvideo: Control 0x009809 09 not found. Mar 2 18:24:23 laurent-home kernel: VIDIOC_QUERYCTRL<7>uvcvideo: uvc_v4l2_ioct l Mar 2 18:24:23 laurent-home kernel: VIDIOC_S_CTRL<7>uvcvideo: uvc_v4l2_ioctl Mar 2 18:24:23 laurent-home kernel: VIDIOC_QUERYCTRL<7>uvcvideo: uvc_v4l2_ioct l Mar 2 18:24:23 laurent-home kernel: VIDIOC_S_CTRL<7>uvcvideo: uvc_v4l2_ioctl Mar 2 18:24:23 laurent-home kernel: VIDIOC_QUERYCTRL<7>uvcvideo: uvc_v4l2_ioct l Mar 2 18:24:23 laurent-home kernel: VIDIOC_S_CTRL<7>uvcvideo: uvc_v4l2_ioctl Mar 2 18:24:23 laurent-home kernel: VIDIOC_QUERYCTRL<7>uvcvideo: uvc_v4l2_ioct l Mar 2 18:24:23 laurent-home kernel: VIDIOC_S_CTRL<7>uvcvideo: uvc_v4l2_ioctl Mar 2 18:24:23 laurent-home kernel: VIDIOC_S_CTRL<7>uvcvideo: Control 0x009809 09 not found. Mar 2 18:24:24 laurent-home kernel: VIDIOC_QUERYCAP<7>uvcvideo: uvc_v4l2_ioctl Mar 2 18:24:24 laurent-home kernel: VIDIOC_G_FMT<7>uvcvideo: uvc_v4l2_ioctl Mar 2 18:24:24 laurent-home kernel: VIDIOC_G_STD<7>uvcvideo: Unsupported ioctl 0x80085617 Mar 2 18:24:24 laurent-home kernel: VIDIOC_G_PARM<7>uvcvideo: uvc_v4l2_ioctl Mar 2 18:24:24 laurent-home kernel: VIDIOC_ENUMSTD<7>uvcvideo: Unsupported ioc tl 0xc0405619 Mar 2 18:24:24 laurent-home kernel: VIDIOC_ENUMINPUT<7>uvcvideo: uvc_v4l2_ioct l Mar 2 18:24:24 laurent-home kernel: VIDIOC_ENUMINPUT<7>uvcvideo: uvc_v4l2_ioct Mar 2 18:24:24 laurent-home kernel: VIDIOC_G_INPUT<7>uvcvideo: uvc_v4l2_ioctl Mar 2 18:24:24 laurent-home kernel: VIDIOC_ENUM_FMT<7>uvcvideo: uvc_v4l2_ioctl Mar 2 18:24:24 laurent-home kernel: VIDIOC_ENUM_FMT<7>uvcvideo: uvc_v4l2_ioctl Mar 2 18:24:24 laurent-home kernel: VIDIOC_G_FMT<7>uvcvideo: uvc_v4l2_ioctl Mar 2 18:24:24 laurent-home kernel: VIDIOC_S_FMT<7>uvcvideo: Trying format 0x4 7504a4d (MJPG): 640x480. Mar 2 18:24:24 laurent-home kernel: VIDIOC_G_FMT<7>uvcvideo: uvc_v4l2_ioctl Mar 2 18:24:24 laurent-home kernel: VIDIOC_S_FMT<7>uvcvideo: Trying format 0x3 2315659 (YV12): 640x480. Mar 2 18:24:24 laurent-home kernel: VIDIOC_G_FMT<7>uvcvideo: uvc_v4l2_ioctl Mar 2 18:24:24 laurent-home kernel: VIDIOC_S_FMT<7>uvcvideo: Trying format 0x3 2315559 (YU12): 640x480. Mar 2 18:24:24 laurent-home kernel: VIDIOC_G_FMT<7>uvcvideo: uvc_v4l2_ioctl Mar 2 18:24:24 laurent-home kernel: VIDIOC_S_FMT<7>uvcvideo: Trying format 0x5 9565955 (UYVY): 640x480. Mar 2 18:24:24 laurent-home kernel: VIDIOC_G_FMT<7>uvcvideo: uvc_v4l2_ioctl Mar 2 18:24:24 laurent-home kernel: VIDIOC_S_FMT<7>uvcvideo: Trying format 0x5 6595559 (YUYV): 640x480. Mar 2 18:24:24 laurent-home kernel: VIDIOC_G_FMT<7>uvcvideo: uvc_v4l2_ioctl Mar 2 18:24:24 laurent-home kernel: VIDIOC_S_FMT<7>uvcvideo: Trying format 0x3 4424752 (RGB4): 640x480. Mar 2 18:24:24 laurent-home kernel: VIDIOC_G_FMT<7>uvcvideo: uvc_v4l2_ioctl Mar 2 18:24:24 laurent-home kernel: VIDIOC_S_FMT<7>uvcvideo: Trying format 0x3 3424752 (RGB3): 640x480. Mar 2 18:24:24 laurent-home kernel: VIDIOC_G_FMT<7>uvcvideo: uvc_v4l2_ioctl Mar 2 18:24:24 laurent-home kernel: VIDIOC_S_FMT<7>uvcvideo: Trying format 0x5 2474210 (BGR): 640x480. Mar 2 18:24:24 laurent-home kernel: VIDIOC_G_FMT<7>uvcvideo: uvc_v4l2_ioctl Mar 2 18:24:24 laurent-home kernel: VIDIOC_S_FMT<7>uvcvideo: Trying format 0x5 247420f (BGR): 640x480. Mar 2 18:24:24 laurent-home kernel: VIDIOC_ENUMINPUT<7>uvcvideo: uvc_v4l2_ioct l Mar 2 18:24:24 laurent-home kernel: VIDIOC_S_INPUT<7>uvcvideo: uvc_v4l2_ioctl Mar 2 18:24:24 laurent-home kernel: VIDIOC_ENUMSTD<7>uvcvideo: Unsupported ioc tl 0xc0405619 Mar 2 18:24:24 laurent-home kernel: VIDIOC_ENUMSTD<7>uvcvideo: Unsupported ioc tl 0xc0405619 Mar 2 18:24:24 laurent-home kernel: VIDIOC_G_FMT<7>uvcvideo: uvc_v4l2_ioctl Mar 2 18:24:24 laurent-home kernel: VIDIOC_G_FMT<7>uvcvideo: uvc_v4l2_ioctl Mar 2 18:24:24 laurent-home kernel: VIDIOC_G_FMT<7>uvcvideo: uvc_v4l2_ioctl Mar 2 18:24:24 laurent-home kernel: VIDIOC_REQBUFS<7>uvcvideo: uvc_v4l2_ioctl Mar 2 18:24:24 laurent-home kernel: VIDIOC_QUERYBUF<7>uvcvideo: uvc_v4l2_mmap Mar 2 18:24:24 laurent-home kernel: VIDIOC_QBUF<7>uvcvideo: Queuing buffer 0. Mar 2 18:24:24 laurent-home kernel: VIDIOC_QUERYBUF<7>uvcvideo: uvc_v4l2_mmap Mar 2 18:24:24 laurent-home kernel: VIDIOC_QBUF<7>uvcvideo: Queuing buffer 1. Mar 2 18:24:24 laurent-home kernel: VIDIOC_S_CTRL<7>uvcvideo: Control 0x009809 09 not found. Mar 2 18:24:24 laurent-home kernel: VIDIOC_QUERYCTRL<7>uvcvideo: uvc_v4l2_ioct l Mar 2 18:24:24 laurent-home kernel: VIDIOC_S_CTRL<7>uvcvideo: uvc_v4l2_ioctl Mar 2 18:24:24 laurent-home kernel: VIDIOC_QUERYCTRL<7>uvcvideo: uvc_v4l2_ioct l Mar 2 18:24:24 laurent-home kernel: VIDIOC_S_CTRL<7>uvcvideo: uvc_v4l2_ioctl Mar 2 18:24:24 laurent-home kernel: VIDIOC_QUERYCTRL<7>uvcvideo: uvc_v4l2_ioct l Mar 2 18:24:24 laurent-home kernel: VIDIOC_S_CTRL<7>uvcvideo: uvc_v4l2_ioctl Mar 2 18:24:24 laurent-home kernel: VIDIOC_QUERYCTRL<7>uvcvideo: uvc_v4l2_ioct l Mar 2 18:24:24 laurent-home kernel: VIDIOC_S_CTRL<7>uvcvideo: uvc_v4l2_ioctl Mar 2 18:24:24 laurent-home kernel: VIDIOC_STREAMON<3>uvcvideo: Failed to subm it URB 0 (-28). Same on another hub (also another port of controller). 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