Hi, Thank you for your quick response to my request, unfortunately I think that the USB drivers are not my problem. To verify the possibility that you describe I wrote a small program that reads the video device and generates a JPEG file using libjpeg. Since the resulting images are quite nice, I think that the drivers are working fine. Another confirmation is that the problem also apears with the program 'plaympeg' that I use to play MPEG files. I suppose that this program has nothing to do with the USB drivers. I will try by changing the display settings a little bit more, but I still think that the mmain problem is the XFree 4.0.1. Thank you again and best regards. Ixcoatl Perez -- Original Message -- >I think its a problem with some of the linux usb drivers. I >have the same kind of a problem with my hp deskjet printer. >Works great on a parallel port (or usb in win98) but with >the usb port in linux, I get a lot of artifacts printed. >With graphics printing the frequency of disturbance in the >graphic is about the same as the artifacts in text, both >using the printer driver and just catenating the keyboard to >/dev/usb/lp0. I thought at first the problem was with cups >until I changed to the parallel port. Then I reverified the >usb port using win98. > >Tom Berkley > >[EMAIL PROTECTED] wrote: >> >> Hi! >> >> About two weeks ago I installed Mandrake 7.2 and everything ran fine but >> when I connected my robocam web cam and used xawtv to see if it worked, >> the image was full of garbage (lots of small black point all around). >At >> the first time I thought that the problem were the USB drivers but then >> I noticed that plaympeg has the same problem. >> >> I have a Toshiba Satellite 4015CDT with a chips CT65555 display. >> >> Do you have any idea of why is this happening? Is there a problem with >XFree4.01? >> >> Thank you in advance! >> Ixcoatl >> >> ------------------------------------------------------------ >> Keep in touch with http://mandrakeforum.com: >> Subscribe the "[EMAIL PROTECTED]" mailing list. > >
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