Webcam liefert nur graues Bild

[Anton]

Hallo,

ich hatte vor kurzem den Kernel auf 2.6.15 upgedatet. Leider liefert meine WebCam Philips PCVC 680K seitdem nur noch ein graues Bild.

Ich meine alle Module im Kernal eincompiliert zu haben bzw. dazu geladen zu haben.
Das Kernel-Modul von Luc Saillard wird eingebunden.

dmesg liefert folgendes:

Linux video codec intermediate layer: v0.2
ovcamchip: v2.27 for Linux 2.6 : OV camera chip I2C driver
..
usb 1-2.4: new full speed USB device using uhci_hcd and address 10
pwc Philips webcam module version 9.0.2-unofficial loaded.
pwc Supports Philips PCA645/646, PCVC675/680/690, PCVC720[40]/730/740/750 & PCVC830/840.
pwc Also supports the Askey VC010, various Logitech Quickcams, Samsung MPC-C10 and MPC-C30,
pwc the Creative WebCam 5 & Pro Ex, SOTEC Afina Eye and Visionite VCS-UC300 and VCS-UM100.
pwc Philips PCVC680K (Vesta Pro) USB webcam detected.
pwc Registered as /dev/video0.
usbcore: registered new driver Philips webcam
...
pwc type = 680
pwc type = 680
pwc set_video_mode(176x144 @ 10, palette 15).
pwc decode_size = 2.
pwc type = 680
pwc type = 680
pwc set_video_mode(176x144 @ 10, palette 15).
pwc decode_size = 2.
pwc type = 680
pwc type = 680
pwc set_video_mode(176x144 @ 10, palette 15).
pwc decode_size = 2.
pwc type = 680
pwc type = 680
pwc set_video_mode(176x144 @ 10, palette 15).
pwc decode_size = 2.
pwc Dumping frame 6.
pwc Dumping frame 7.
pwc set_video_mode(128x96 @ 10, palette 15).
pwc decode_size = 0.
pwc set_video_mode(384x288 @ 10, palette 15).
pwc decode_size = 4.
pwc Closing video device: 327 frames received, dumped 6 frames, 0 frames with errors.
pwc type = 680
pwc type = 680
pwc set_video_mode(352x288 @ 10, palette 15).
pwc decode_size = 4.
pwc type = 680
pwc type = 680
pwc set_video_mode(352x288 @ 10, palette 15).
pwc decode_size = 4.
pwc type = 680
pwc type = 680
pwc set_video_mode(352x288 @ 10, palette 15).
pwc decode_size = 4.
pwc type = 680
pwc type = 680
pwc set_video_mode(352x288 @ 10, palette 15).
pwc decode_size = 4.
pwc set_video_mode(128x96 @ 10, palette 15).
pwc decode_size = 0.
pwc set_video_mode(384x288 @ 10, palette 15).
pwc decode_size = 4.
pwc Dumping frame 11.
pwc Closing video device: 142 frames received, dumped 5 frames, 0 frames with errors.

Wenn ich z. B. xawtv starte, bekomme ich folgende Meldung:

This is xawtv-3.94, running on Linux/i686 (2.6.15.4)
/dev/video0 [v4l]: no overlay support
v4l-conf had some trouble, trying to continue anyway
Warning: Cannot convert string "-*-ledfixed-medium-r-*--39-*-*-*-c-*-*-*" to type FontStruct
config: invalid value for input: Television
valid choices for "input": "Webcam"
ioctl: VIDIOCMCAPTURE(frame=0;height=96;width=128;format=7): Das Argument ist ungültig

... und das besagte graue Bild.

Hat jemand eine Idee, wo das Problem liegen könnte ?

P.S.: Ich benutze Debian Sarge 3.1.

Grüße,

Anton