xdtv: ioctl VIDIOC_DQBUF: Chyba vstupu/výstupu

Zdravím. V debianech na architekruře amd64 se snažím rozchodit xdtv bohužel po spuštění z konzole se program sekne s chybou ioctl VIDIOC_DQBUF: Chyba vstupu/výstupu

celý proces spuštění:

This is xdtv 2.4.1cvs9 running on Linux/x86_64 (2.6.26-2-amd64).
scandir: není souborem ani adresářem
filename = /home/alex/.xdtv/xdtvrcioctl VIDIOC_DQBUF: Chyba vstupu/výstupu
/dev/video0 [v4l2]: ioctl VIDIOC_S_FBUF: Operation not permitted
v4l-conf: You should install me suid root, I need
root priviliges for the VIDIOC_S_FBUF ioctl.
xdtv_v4l-conf had some trouble, trying to continue anyway
xinerama 0: 1440x900+0+0
Warning: Missing charsets in String to FontSet conversion
wmhooks: netwm detected
wmhooks: netwm state above supported
wmhooks: netwm fullscreen supported
wmhooks: nothing found...
DGA: server=2.0, include=2.0
VidMode: server=2.2, include=2.2
available video mode(s): 1440x900 1600x1024 1400x1050 1280x1024 1280x1024 1440x900 1440x900 1280x960 1280x800 1152x864 1280x768 1024x768 1024x768 1024x768 832x624 800x600 800x600 800x600 800x600 800x600 640x480 640x480 640x480 640x480 640x480 640x480 640x480 720x400
No XvVideo port available.
No XvImage port available with yuyv format.
WARNING: video memory base unknown, may be caused by a problem
with xdtv_v4l-conf or a non-availability of DGA
and frame buffer devices: CLASSICAL OVERLAY IS DISABLED !
*** GRABBER DEVICE TYPE = v4l2
Warning: Cannot convert string "none" to type relief
Check the linuxtv.org URLs web site. Please wait...
Warning: Missing charsets in String to FontSet conversion
No MMX detected
Method glibc
*** AUDIO DEVICE TYPE = alsa
*** MIXER DEVICE TYPE = alsa
ioctl VIDIOC_DQBUF: Chyba vstupu/výstupu
total reset
ioctl VIDIOC_DQBUF: Chyba vstupu/výstupu
ioctl VIDIOC_DQBUF: Chyba vstupu/výstupu

Dotaz: xdtv: ioctl VIDIOC_DQBUF: Chyba vstupu/výstupu