2nd try: reboot hangs

[Miles Fidelman <mfidelman@meetinghouse.net>]

Haven't heard a peep on this one.  Anybody at least have a suggestion 
re. other places to ask this question (perhaps a kernel-related list?)

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


--
In theory, there is no difference between theory and practice.
In practice, there is.   .... Yogi Berra