Would it be possible for you to try the latest kernel, for instance from here: http://kernel.ubuntu.com/~kernel-ppa/mainline/v2.6.35-rc5-maverick/ You only need to install the linux-image-2.6.35-020635rc5-generic_2.6.35-020635rc5_i386.deb, and you will keep the old kernel.
Would it be possible for you to try the latest kernel, for instance from here: http:// kernel. ubuntu. com/~kernel- ppa/mainline/ v2.6.35- rc5-maverick/ You only need to install the linux-image- 2.6.35- 020635rc5- generic_ 2.6.35- 020635rc5_ i386.deb, and you will keep the old kernel.