I am going to try this on my test system.
Result will appear in this topic.................
After installing kernel-2.6.28-114.pisi from
(thanks for the link) an extra entry for kernel-2.6.28-114 is automatically made in /boot/grub/menu.lst and you can select between the existing and new kernel.
Starting the new kernel resulted in a non-functional sound server (device /dev/dsp can't be opened).
My ext4 partition is /dev/sda7.
/dev/sda7 /mnt/sda7 ext4 noatime 0 0
to /etc/fstab (+ restart) and adjusting the write properties of /mnt/sda7 I can read/write the ext4 partition