The behaviour we are seeing is dpkg hangs and never returns. As dpkg is left in the "D" state and is un-killable the only recourse is to hard reset the box (power-cycle) it. However it might be due to file-system load it can never achieve the file-system sync. I'm currently trying to come up with a reliable reproduction that doesn't involve hosing our customer boxes....
The behaviour we are seeing is dpkg hangs and never returns. As dpkg is left in the "D" state and is un-killable the only recourse is to hard reset the box (power-cycle) it. However it might be due to file-system load it can never achieve the file-system sync. I'm currently trying to come up with a reliable reproduction that doesn't involve hosing our customer boxes....