Re: reboot hangs

[Scott Ferguson <scott.ferguson.debian.user@gmail.com>]

On 28/03/12 12:24, Miles Fidelman wrote:
> Maybe somebody can suggest a fix:
> 
> I have an old tower machine - a homebrew that I use as a sandbox.  Just
> loaded it up with a copy of squeeze, and a xen installation - works
> fine, but...
> - shutdown -h works just fine
> - reboot goes down, gives the console message "restarting system", then
> hangs
> 
> On an earlier installation (Lenny, x86 install) adding "reboot=bios"
> solved the problem.  This time around - 64bit image (amd64), squeeze,
> none of the reboot=[....] parameters seem to make a difference.  (I note
> that the Debian installer documentation indicates that reboot=bios only
> works with x86).
> 
> Any suggestions?  Any configuration things I should try to uncover that
> might help find a solution (I don't have paperwork on the box, anymore -
> so it's going to be a matter of running various probes to figure out
> what's on the motherboard and such - suggested commands welcome.)
> 
> Thanks!
> 
> Miles Fidelman
> 

I suspect you've already thought of this but... could it be an ACPI
problem? I use a number of older machines for development - some require
acpi=force to shutdown properly or they just hang at the last stage of halt.

Kind regards

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