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When I start guvcview as a normal user I get:
video device: /dev/video0
ERROR opening V4L2 interface for /dev/video0
unable to detect video devices on your system (0)
ERROR opening V4L interface: Permission denied
Init video returned -1
VIDIOC_REQBUFS - Failed to delete buffers: Invalid argument (errno 22)
cleaned allocations - 100%
Closing portaudio ...OK
I've added my username to video with:
gpasswd -a ztjuh video
But when I type groups my username is only in users?
/etc/group
video:x:91:ztjuh
Also done:
chgrp video /dev/video0
chmod 660 /dev/video0
When I run guvcview as root it starts but I only see a white screen...
dmesg:
[116575.225069] usb 2-1: new full-speed USB device number 2 using ohci_hcd
[116575.585463] Linux media interface: v0.10
[116575.605460] Linux video capture interface: v2.00
[116575.617026] gspca_main: v2.14.0 registered
[116575.632533] gspca_main: pac207-2.14.0 probing 093a:2460
[116575.646211] input: pac207 as /devices/pci0000:00/0000:00:03.0/usb2/2-1/input/input8
[116575.649322] usbcore: registered new interface driver pac207
[120867.876828] usbcore: registered new interface driver uvcvideo
[120867.876838] USB Video Class driver (1.1.1)
[121241.639963] gspca_main: ISOC data error: [25] len=0, status=-18
[121243.579750] gspca_main: ISOC data error: [22] len=0, status=-18
[121243.963692] gspca_main: ISOC data error: [30] len=0, status=-18
[121244.475635] gspca_main: ISOC data error: [26] len=0, status=-18
[121246.587545] gspca_main: ISOC data error: [25] len=0, status=-18
[121249.499155] gspca_main: ISOC data error: [20] len=0, status=-18
[121255.866594] gspca_main: ISOC data error: [28] len=75, status=-70
[121259.610257] gspca_main: ISOC data error: [30] len=0, status=-18
[121262.010000] gspca_main: ISOC data error: [20] len=0, status=-18
[121264.025833] gspca_main: ISOC data error: [24] len=0, status=-18
[121265.593715] gspca_main: ISOC data error: [30] len=0, status=-18
[121265.657674] gspca_main: ISOC data error: [19] len=0, status=-18
[121270.393230] gspca_main: ISOC data error: [19] len=0, status=-18
[121272.633014] gspca_main: ISOC data error: [14] len=61, status=-70
lsmod | grep gspca:
gspca_pac207 5689 0
gspca_main 21713 1 gspca_pac207
videodev 100860 4 uvcvideo,gspca_pac207,gspca_main,videobuf2_core
usbcore 150472 5 uvcvideo,gspca_pac207,ohci_hcd,ehci_hcd,gspca_main
Someone know some direction?
Last edited by Ztjuh (2013-01-15 14:16:53)
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I followed this and installed the new modules without recomping the kernel, rebooted and it works, now im in the video group too all of the sudden, but the
gspca_main: ISOC data error: [25] ln=0, status =-18
remains.
http://git.linuxtv.org/media_build.git
Last edited by Ztjuh (2013-01-15 18:36:45)
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