On 05/27/2014 03:34 AM, Richie wrote: > https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1322380 > > [1.] One line summary of the problem: > > 1d6b:0001 [MSI A55M-P33] No webcam functionality with Zoran Microelectronics, > Ltd Digital Camera EX-20 DSC > > [2.] Full description of the problem/report: > > No software recognizes the webcam and this is not a regression. dmesg reports > the following additional output after plugging the camera. You can see where I > change the camera to "PC Mode" (in order to use the webcam, users must do this > from the camera) at [ 691.147589]. The device is turned off at [ 1094.746444]: > > [ 688.796908] usb 4-2: new full-speed USB device number 2 using ohci-pci > [ 688.965802] usb 4-2: New USB device found, idVendor=0595, idProduct=2002 > [ 688.965807] usb 4-2: New USB device strings: Mfr=4, Product=5, > SerialNumber=6 > [ 688.965809] usb 4-2: Product: COACH DSC > [ 688.965811] usb 4-2: Manufacturer: ZORAN > [ 688.965813] usb 4-2: SerialNumber: ZORAN01234567 > [ 689.012630] usb-storage 4-2:1.0: USB Mass Storage device detected > [ 689.021168] scsi6 : usb-storage 4-2:1.0 > [ 689.021266] usbcore: registered new interface driver usb-storage > [ 690.030971] scsi 6:0:0:0: Direct-Access ZORAN COACH6 (I62) 1.10 PQ: 0 ANSI: > 0 CCS > [ 690.036147] sd 6:0:0:0: Attached scsi generic sg3 type 0 > [ 690.044964] sd 6:0:0:0: [sdc] 3962629 512-byte logical blocks: (2.02 GB/1.88 > GiB) > [ 690.054977] sd 6:0:0:0: [sdc] Write Protect is off > [ 690.054984] sd 6:0:0:0: [sdc] Mode Sense: 00 06 00 00 > [ 690.064965] sd 6:0:0:0: [sdc] No Caching mode page found > [ 690.064971] sd 6:0:0:0: [sdc] Assuming drive cache: write through > [ 690.108960] sd 6:0:0:0: [sdc] No Caching mode page found > [ 690.108966] sd 6:0:0:0: [sdc] Assuming drive cache: write through > [ 690.156970] sdc: > [ 690.210974] sd 6:0:0:0: [sdc] No Caching mode page found > [ 690.210980] sd 6:0:0:0: [sdc] Assuming drive cache: write through > [ 690.210985] sd 6:0:0:0: [sdc] Attached SCSI removable disk > [ 691.147589] usb 4-2: USB disconnect, device number 2 > [ 691.793364] usb 4-2: new full-speed USB device number 3 using ohci-pci > [ 691.962202] usb 4-2: New USB device found, idVendor=0595, idProduct=4343 > [ 691.962207] usb 4-2: New USB device strings: Mfr=7, Product=8, > SerialNumber=9 > [ 691.962209] usb 4-2: Product: COACH DSC > [ 691.962211] usb 4-2: Manufacturer: ZORAN > [ 691.962213] usb 4-2: SerialNumber: ZORAN00000001 > [ 691.964262] usb-storage 4-2:1.0: USB Mass Storage device detected > [ 691.965410] usb-storage: probe of 4-2:1.0 failed with error -5 > [ 692.053929] Linux video capture interface: v2.00 > [ 692.091447] zr364xx 4-2:1.0: Zoran 364xx compatible webcam plugged > [ 692.091453] zr364xx 4-2:1.0: model 0595:4343 detected > [ 692.091461] usb 4-2: 320x240 mode selected > [ 692.094356] usb 4-2: Zoran 364xx controlling device video0 Clearly the webcam is recognized and a /dev/video0 node is created. Please check that /dev/video0 exists. Try e.g. v4l2-ctl -D -d /dev/video0, it should list it as using the zr364xx driver. So what exactly doesn't work? Regards, Hans > [ 692.094672] usbcore: registered new interface driver zr364xx > [ 1094.746444] hub 4-0:1.0: port 2 disabled by hub (EMI?), re-enabling... > [ 1094.746451] usb 4-2: USB disconnect, device number 3 > [ 1094.747395] zr364xx 4-2:1.0: Zoran 364xx webcam unplugged -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
