3. download newest kernel, same that was reinstalled
cd /usr/src
wget http://www.kernel.org/pub/linux/kernel/v2.6/linux-2.6.8.tar.gz
4. unzip it, create a symbolic link and move to the directory
tar -zxvf linux-2.6.8.tar.gz
ln -s linux-2.6.8 /usr/src/linux
cd linux
5. configure the kernel for recompilation
make menuconfig
--find Generic HDLC set as module
--set Synchronous Point-to-Point to YES (*)
.config
CONFIG_HDLC=m
CONFIG_HDLC_PPP=y
6. exit and save, now compile the kernal
make clean
make modules
make modules_install
make bzImage