On Mon, 25 Oct 2010, gene heskett wrote: > Hi folks; > > I have an elderly labtec webcan, usb interface that can run (theoretically) > in 640x480 as well as 320x240. Plugged directly into a motherboard > breakout port, it runs well at 320x240, but if I select 640x480 in cheese, > it only works for about 15% of a frame and errors out with hundreds of > these lines in the terminal window I launched it from: > > libv4lconvert: Error decompressing JPEG: fill_nbits error: need 7 more bits > libv4lconvert: Error decompressing JPEG: fill_nbits error: need 3 more bits > libv4lconvert: Error decompressing JPEG: fill_nbits error: need 4 more bits > libv4lconvert: Error decompressing JPEG: fill_nbits error: need 2 more bits > > The driver appears to be the (from lsmod) > gspca_zc3xx 34210 0 > gspca_main 17233 1 gspca_zc3xx > > From dmesg: > [gene@coyote log]$ grep gspca dmesg > gspca: main v2.10.0 registered > gspca: probing 046d:08a2 > gspca: video0 created > > I can make it work about 90% of the time when booted to 2.6.35.7, but its a > 100% failure with 2.6.36 until I select 320x240. > > Is there anything I can do? Did you build the kernel with CONFIG_USB_DEBUG? Did you check the dmesg log? Did you post to the linux-media mailing list? Alan Stern -- 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
