[CentOS] CentOS-5.8 - Problem booting remote host

Wed Jun 20 19:29:10 UTC 2012
m.roth at 5-cent.us <m.roth at 5-cent.us>

James B. Byrne wrote:
> Kernel 2.6.18-308.8.2.el5
> I recently experienced an odd problem with a host at our warm-site
> location.  The facility we use suffered an hvac failure during
> elevated ambient temperatures (30C+) on Monday past and the equipment
> room reportedly cooked for some hours.  It was sufficient that our
> equipment shutdown. In all probability this was due to an over-temp
> condition since the systems are all powered from a UPS but possibly
> there was an extended power out instead.
> Whatever the cause one of our hosts did not restart subsequent to this
> shutdown.  Which condition required my presence on site. When it was
> powered up today in situ the host's console would display the CentOS
> splash screen with the message [press any key to enter menu] and then
> the message "Booting in ....4 seconds"
> However, the countdown timer never changed from the initial value and
> the restart never took place.  When I entered the console menu and
> selected the most recent kernel available the system booted normally.
I had that happen on one or two machines in the past, and never got it to
go. I believe that eventually, one upgrade or another, fixed it. You might
try yum reinstalling the new kernel, and redoing the grub-install, and see
if that helps.