Ho ipotizzato che sia un problema di driver diciamo "generici" e non specifici per la suddetta cam...sbaglio?
Idee?
Grazie mille..
PS: Con la 11.04 funzionava perfettamente, luce compresa.
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lsusb
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 001 Device 002: ID 06f8:3005 Guillemot Corp. Hercules Dualpix Exchange

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dmesg | grep usb
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dmesg | grep UVC
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lsmod | grep UVC
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dmesg | grep usb
[ 0.229146] usbcore: registered new interface driver usbfs
[ 0.229162] usbcore: registered new interface driver hub
[ 0.229202] usbcore: registered new device driver usb
[ 1.296089] usb 1-5: new high speed USB device number 2 using ehci_hcd
[ 16.469307] input: Hercules Dualpix Exchange as /devices/pci0000:00/0000:00:1d.7/usb1/1-5/1-5:1.0/input/input6
[ 16.469587] usbcore: registered new interface driver uvcvideo
[ 16.705550] usbcore: registered new interface driver snd-usb-audio
[ 1353.204105] usb 1-5: USB disconnect, device number 2
[ 1364.696173] usb 1-5: new high speed USB device number 3 using ehci_hcd
[ 1365.105796] usbcore: registered new interface driver uas
[ 1365.117556] scsi2 : usb-storage 1-5:1.0
[ 1365.117704] usbcore: registered new interface driver usb-storage
[ 1365.740756] usb 1-5: USB disconnect, device number 3
[ 1371.788103] usb 1-5: new high speed USB device number 4 using ehci_hcd
[ 1371.924103] scsi3 : usb-storage 1-5:1.4
[ 1371.963263] usbcore: registered new interface driver cdc_acm
[ 2547.364072] usb 1-7: new high speed USB device number 5 using ehci_hcd
[ 2547.534901] input: Hercules Dualpix Exchange as /devices/pci0000:00/0000:00:1d.7/usb1/1-7/1-7:1.0/input/input10
[ 2777.367416] usb 1-7: USB disconnect, device number 5
[ 2779.648132] usb 1-7: new high speed USB device number 6 using ehci_hcd
[ 2779.818943] input: Hercules Dualpix Exchange as /devices/pci0000:00/0000:00:1d.7/usb1/1-7/1-7:1.0/input/input11
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dmesg | grep UVC
[ 16.457111] uvcvideo: Found UVC 1.00 device Hercules Dualpix Exchange (06f8:3005)
[ 2547.528042] uvcvideo: Found UVC 1.00 device Hercules Dualpix Exchange (06f8:3005)
[ 2779.812110] uvcvideo: Found UVC 1.00 device Hercules Dualpix Exchange (06f8:3005)
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lsmode | grep UVC
la porta usb dove colleghi la webcam poi viene disabilitata dal sistema.[ 2547.364072] usb 1-7: new high speed USB device number 5 using ehci_hcd
[ 2547.534901] input: Hercules Dualpix Exchange as /devices/pci0000:00/0000:00:1d.7/usb1/1-7/1-7:1.0/input/input10
[ 2777.367416] usb 1-7: USB disconnect, device number 5
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dmesg | grep UVC
[ 16.457111] uvcvideo: Found UVC 1.00 device Hercules Dualpix Exchange (06f8:3005)
[ 2547.528042] uvcvideo: Found UVC 1.00 device Hercules Dualpix Exchange (06f8:3005)
[ 2779.812110] uvcvideo: Found UVC 1.00 device Hercules Dualpix Exchange (06f8:3005)
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lsmod | grep uvcvideo
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ls -l /dev/video*
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lsmod | grep uvcvideo
uvcvideo 67271 0
videodev 85626 1 uvcvideo
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ls -l /dev/video*
crw-rw----+ 1 root video 81, 0 2011-11-15 12:22 /dev/video0

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gstreamer-properties
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