Upgraded to gutsy kernel per foxdemon suggestion, I was able to replicate the problem when YouTube tries to redirect to ash-v165.ash.youtube.com when I hit the "back" button in Firefox and the flash video was playing at the time.
Upgraded to gutsy kernel per foxdemon suggestion, I was able to replicate the problem when YouTube tries to redirect to ash-v165. ash.youtube. com when I hit the "back" button in Firefox and the flash video was playing at the time.