I've found that linux-image-2.6.31-19 matches kernel version 2.6.31.6. My previous (the working one) linux-image was 2.6.31-18 that matches kernel version 2.6.31.9. More info here: http://kernel.ubuntu.com/~kernel-ppa/info/kernel-version-map.html
I've found that linux-image- 2.6.31- 19 matches kernel version 2.6.31.6. kernel. ubuntu. com/~kernel- ppa/info/ kernel- version- map.html
My previous (the working one) linux-image was 2.6.31-18 that matches kernel version 2.6.31.9.
More info here:
http://