Problem with the kernel 2.6.13-1.1526_FC4 and PPP

[John Mahowald]

On 10/2/05, Paul Smith <phhs80 at gmail.com> wrote:
> /usr/sbin/pppd: This system lacks kernel support for PPP.  This could be because
> the PPP kernel module could not be loaded, or because PPP was not
> included in the kernel configuration.  If PPP was included as a
> module, try `/sbin/modprobe -v ppp'.  If that fails, check that
> ppp.o exists in /lib/modules/`uname -r`/net.

It's not ppp.o module you're looking for, current kernel modules use
.ko extension, and aren't named just ppp.

This looks like a kernel bug, have you checked bugzilla.redhat.com?