I just went around in circles for a while -- the cloop module would not build:
/usr/src/linux/lib/inflate.c: In function inflate_codes':
/usr/src/linux/lib/inflate.c:531: error: outcnt' undeclared (first use in
until I found this quote from Klaus in my debian-knoppix folder:
> Please double check that "PPP" (Network device section) and "Deflate
> compression" (subitem of PPP) is marked as "Yes", otherwise cloop won't
> compile/run. I'm trying to fix this in a later release.
That does the trick.