Ubuntu 10.4...

Just a note...
I have motherboard E6580v2.1 (MSI) and it broke down during ubuntu upgrade.
This article should help to track whether it is related or not.

issue description:
started "sudo do-release-upgrade" (from X11 session)
everything went fine (9 packages to be removed, 200 new to be installed, rest for upgrade)
When lm-sensors package was about to install, the pre-install script failed with "Illegal instruction" error message and the computer froze up with CapsLock+ScrollLock blinking.
After reboot the kernel panicked (~1s after grub passed control to it)
After next two reboots bios failed (screen areas with text turned colorful + it froze)
Next reboot: refused to boot at all, D-Bracket reported "0010" (bad or missing RAM)
Pulled the 512MB 400MHz DDR1 module out, cleaned the dust and put it back.
Bios loaded fine, memtest 4.0 ran for 10 rounds (~4 hours) without an issue.
Booted linux (said "mounting none on /dev failed: no such device" but it should not be an issue), only the vt1 terminal worked and allowed me to login and finish upgrade.... almost
It froze again, next boot showed "0010" again, reinserting RAM module failed to help and turned the message into "0000" (all lights red, means "broken or missing CPU").


some notes about the Operating System:
It is not proper ubuntu, neither kubuntu or xubuntu. It utilizes SLiM and fluxbox.
I was installed in 7.10 and upgraded every half-year.