Re: Why halt does reboot?
On Wed, May 16, 2001 at 02:21:18PM -0500, Lease, Mike wrote:
> You probably have the "AUTO_ACTION" environment variable in SRM
> set to "BOOT" instead of "HALT". Try halting the machine, then
> as the SRM prompt is about to come up (but before it actually
> does), begin hitting Ctrl-C repeatedly, as fast as you can manage.
> It can be difficult to get it in at just the right time, so you
> may have to do this a few times (I've seen situations where 3 or
> 4 different people have done this, and failed, only to have one
> more person try and succeed). Once it takes, you should see the
> SRM prompt (">>>"). When this happens, type "show auto*" at the
> prompt (without the quotes). That will show you the value of
> the AUTO_ACTION variable. If it's wrong (and I expect it will
> be), you can change it by typing "set auto_action halt". After
> that, the system should just come up to the SRM console when
> you halt it, rather than rebooting. Let me know whether or not
> this helps, please.
>
I knew that variable. This is not the problem. We need autobooting
at poweron and a real halt when 'halt' instruction is issued.
This is exactly the behavior of Compaq True64 on that archs (Alcor).
Tom Vier suggested patching the kernel and I really think this is the
right solution. Maybe that patch should be considered for backporting
in 2.2 series.
> Regards,
> Mike Lease,
> Alpha Technology Solutions Group
>
>
> > -----Original Message-----
> > From: Francesco P. Lovergine [mailto:frankie@debian.org]
> > Sent: Wednesday, May 16, 2001 8:53 AM
> > To: debian-alpha@lists.debian.org
> > Subject: Why halt does reboot?
> >
> >
> >
> > Just installed 2.2r2 on a Alphastation 500.
> > This is a trial for a successive installation of a beowulf cluster.
> > The problem is: halt instruction does reboot the machine instead of
> > stopping it. Boot is done by aboot and SRM is the eprom monitor.
> > Kernel is 2.2.18pre17.
> >
> > Thank you in advance
> >
> > --
> > Francesco P. Lovergine
> >
> >
> > --
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--
Francesco P. Lovergine
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