Public bug reported: Problem: a webcam work on a system but not on mine. When I connect my webcam I obtain:
[EMAIL PROTECTED]:~$ sudo udevmonitor [sudo] password for claudio: udevmonitor will print the received events for: UDEV the event which udev sends out after rule processing UEVENT the kernel uevent UEVENT[1207975650.385728] add /devices/pci0000:00/0000:00:02.0/usb1/1-4 (usb) UEVENT[1207975650.385814] add /class/usb_endpoint/usbdev1.4_ep00 (usb_endpoint) UEVENT[1207975650.388797] add /devices/pci0000:00/0000:00:02.0/usb1/1-4/1-4:1.0 (usb) UEVENT[1207975650.388869] add /class/usb_endpoint/usbdev1.4_ep81 (usb_endpoint) UEVENT[1207975650.388921] add /class/usb_endpoint/usbdev1.4_ep82 (usb_endpoint) UEVENT[1207975650.388971] add /class/usb_endpoint/usbdev1.4_ep83 (usb_endpoint) UEVENT[1207975650.389021] add /devices/pci0000:00/0000:00:02.0/usb1/1-4/1-4:1.1 (usb) UEVENT[1207975650.389071] add /devices/pci0000:00/0000:00:02.0/usb1/1-4/1-4:1.2 (usb) UEVENT[1207975650.389121] add /class/usb_device/usbdev1.4 (usb_device) UDEV [1207975650.392145] add /devices/pci0000:00/0000:00:02.0/usb1/1-4 (usb) UDEV [1207975650.402081] add /class/usb_endpoint/usbdev1.4_ep00 (usb_endpoint) UDEV [1207975650.503603] add /devices/pci0000:00/0000:00:02.0/usb1/1-4/1-4:1.2 (usb) UEVENT[1207975650.512380] add /module/snd_hwdep (module) UDEV [1207975650.514549] add /module/snd_hwdep (module) UEVENT[1207975650.530448] add /module/snd_usb_lib (module) UDEV [1207975650.534736] add /module/snd_usb_lib (module) UEVENT[1207975650.540542] add /module/snd_usb_audio (module) UEVENT[1207975650.541535] add /bus/usb/drivers/snd-usb-audio (drivers) UDEV [1207975650.543701] add /module/snd_usb_audio (module) UDEV [1207975650.546174] add /bus/usb/drivers/snd-usb-audio (drivers) UEVENT[1207975650.548639] add /class/usb_endpoint/usbdev1.4_ep84 (usb_endpoint) UDEV [1207975650.551555] add /class/usb_endpoint/usbdev1.4_ep84 (usb_endpoint) UEVENT[1207975650.557592] remove /class/usb_endpoint/usbdev1.4_ep84 (usb_endpoint) UDEV [1207975650.559835] remove /class/usb_endpoint/usbdev1.4_ep84 (usb_endpoint) UEVENT[1207975650.613261] add /module/v4l2_common (module) UDEV [1207975650.616490] add /module/v4l2_common (module) UEVENT[1207975650.616616] add /module/v4l1_compat (module) UDEV [1207975650.619426] add /module/v4l1_compat (module) UEVENT[1207975650.621703] add /module/videodev (module) UEVENT[1207975650.627698] add /module/compat_ioctl32 (module) UDEV [1207975650.629868] add /module/videodev (module) UDEV [1207975650.631574] add /module/compat_ioctl32 (module) UEVENT[1207975650.634598] add /class/sound/pcmC1D0c (sound) UEVENT[1207975650.634742] add /class/sound/dsp1 (sound) UEVENT[1207975650.634828] add /class/sound/audio1 (sound) UEVENT[1207975650.634927] add /class/sound/controlC1 (sound) UEVENT[1207975650.635023] add /class/sound/mixer1 (sound) UDEV [1207975650.642322] add /devices/pci0000:00/0000:00:02.0/usb1/1-4/1-4:1.1 (usb) UDEV [1207975650.647137] add /class/sound/pcmC1D0c (sound) UDEV [1207975650.649733] add /class/sound/dsp1 (sound) UDEV [1207975650.652287] add /class/sound/audio1 (sound) UDEV [1207975650.657144] add /class/sound/mixer1 (sound) UEVENT[1207975650.701756] add /module/sn9c102 (module) UDEV [1207975650.705246] add /class/sound/controlC1 (sound) UDEV [1207975650.706826] add /module/sn9c102 (module) UEVENT[1207975650.711563] add /bus/usb/drivers/sn9c102 (drivers) UDEV [1207975650.714543] add /bus/usb/drivers/sn9c102 (drivers) UDEV [1207975651.080147] add /devices/pci0000:00/0000:00:02.0/usb1/1-4/1-4:1.0 (usb) UDEV [1207975651.084453] add /class/usb_endpoint/usbdev1.4_ep81 (usb_endpoint) UDEV [1207975651.086820] add /class/usb_endpoint/usbdev1.4_ep82 (usb_endpoint) UDEV [1207975651.089156] add /class/usb_endpoint/usbdev1.4_ep83 (usb_endpoint) UDEV [1207975651.132347] add /class/usb_device/usbdev1.4 (usb_device) on another(working) PC we have: Here you go: UEVENT[1208033301.357831] add /devices/pci0000:00/0000:00:1d.7/usb7/7-1 (usb) UEVENT[1208033301.357918] add /class/usb_endpoint/usbdev7.3_ep00 (usb_endpoint) UEVENT[1208033301.358115] add /devices/pci0000:00/0000:00:1d.7/usb7/7-1/7-1:1.0 (usb) UEVENT[1208033301.358473] add /class/usb_endpoint/usbdev7.3_ep83 (usb_endpoint) UEVENT[1208033301.358538] add /devices/pci0000:00/0000:00:1d.7/usb7/7-1/7-1:1.1 (usb) UEVENT[1208033301.358601] add /devices/pci0000:00/0000:00:1d.7/usb7/7-1/7-1:1.2 (usb) UEVENT[1208033301.358624] add /devices/pci0000:00/0000:00:1d.7/usb7/7-1/7-1:1.3 (usb) UEVENT[1208033301.358684] add /class/usb_device/usbdev7.3 (usb_device) UDEV [1208033301.367587] add /devices/pci0000:00/0000:00:1d.7/usb7/7-1 (usb) UDEV [1208033301.367625] add /class/usb_endpoint/usbdev7.3_ep00 (usb_endpoint) UDEV [1208033301.493602] add /devices/pci0000:00/0000:00:1d.7/usb7/7-1/7-1:1.3 (usb) UEVENT[1208033301.495475] add /module/snd_hwdep (module) UDEV [1208033301.496081] add /module/snd_hwdep (module) UDEV [1208033301.504572] add /devices/pci0000:00/0000:00:1d.7/usb7/7-1/7-1:1.1 (usb) UEVENT[1208033301.552161] add /module/snd_usb_lib (module) UDEV [1208033301.554137] add /module/snd_usb_lib (module) UEVENT[1208033301.566086] add /module/v4l2_common (module) UEVENT[1208033301.567617] add /module/v4l1_compat (module) UDEV [1208033301.568638] add /module/v4l2_common (module) UDEV [1208033301.569982] add /module/v4l1_compat (module) UEVENT[1208033301.571652] add /module/videodev (module) UDEV [1208033301.573228] add /module/videodev (module) UEVENT[1208033301.585398] add /module/compat_ioctl32 (module) UDEV [1208033301.592889] add /module/compat_ioctl32 (module) UEVENT[1208033301.643319] add /module/snd_usb_audio (module) UEVENT[1208033301.644292] add /bus/usb/drivers/snd-usb-audio (drivers) UDEV [1208033301.645733] add /module/snd_usb_audio (module) UDEV [1208033301.647004] add /bus/usb/drivers/snd-usb-audio (drivers) UEVENT[1208033301.648408] add /class/usb_endpoint/usbdev7.3_ep84 (usb_endpoint) UDEV [1208033301.653103] add /class/usb_endpoint/usbdev7.3_ep84 (usb_endpoint) UEVENT[1208033301.660644] add /module/uvcvideo (module) UEVENT[1208033301.661015] add /bus/usb/drivers/uvcvideo (drivers) UDEV [1208033301.663530] add /module/uvcvideo (module) UDEV [1208033301.664815] add /bus/usb/drivers/uvcvideo (drivers) UEVENT[1208033302.098064] remove /class/usb_endpoint/usbdev7.3_ep84 (usb_endpoint) UDEV [1208033302.100412] remove /class/usb_endpoint/usbdev7.3_ep84 (usb_endpoint) UEVENT[1208033302.104651] add /class/sound/pcmC1D0c (sound) UEVENT[1208033302.104698] add /class/sound/dsp1 (sound) UEVENT[1208033302.104717] add /class/sound/audio1 (sound) UEVENT[1208033302.104820] add /class/sound/controlC1 (sound) UEVENT[1208033302.104846] add /class/sound/mixer1 (sound) UDEV [1208033302.112400] add /devices/pci0000:00/0000:00:1d.7/usb7/7-1/7-1:1.2 (usb) UDEV [1208033302.112437] add /class/sound/pcmC1D0c (sound) UDEV [1208033302.120468] add /class/sound/dsp1 (sound) UDEV [1208033302.120502] add /class/sound/audio1 (sound) UDEV [1208033302.120523] add /class/sound/mixer1 (sound) UEVENT[1208033302.122149] add /class/video4linux/video0 (video4linux) UDEV [1208033302.122846] add /devices/pci0000:00/0000:00:1d.7/usb7/7-1/7-1:1.0 (usb) UDEV [1208033302.126358] add /class/usb_endpoint/usbdev7.3_ep83 (usb_endpoint) UDEV [1208033302.128865] add /class/video4linux/video0 (video4linux) UDEV [1208033302.244525] add /class/sound/controlC1 (sound) UDEV [1208033302.266723] add /class/usb_device/usbdev7.3 (usb_device) As you can see near the end of the trace a 'video0' is created. Thank you P.S. the forum thread (http://ubuntuforums.org/showthread.php?p=4700766) ** Affects: ubuntu Importance: Undecided Status: New -- webcam connection problem https://bugs.launchpad.net/bugs/216669 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
