I had this problem with kernel release 2.6.24.19-server on 4 cloned Ubuntu 8.04.2 on Vmware ESX 3.5. The problem happened randomly twice a day or even more on all cloned servers.
After doing dist-upgrade to 2.6.24.24-server the problem disappeared.
Kind regards -- Ludovico
I had this problem with kernel release 2.6.24.19-server on 4 cloned Ubuntu 8.04.2 on Vmware ESX 3.5.
The problem happened randomly twice a day or even more on all cloned servers.
After doing dist-upgrade to 2.6.24.24-server the problem disappeared.
Kind regards
--
Ludovico