[syslinux] Domain-specific HLT when idle
H. Peter Anvin
hpa at zytor.com
Sun May 3 12:49:01 PDT 2009
Dag Wieers wrote:
> On Sat, 2 May 2009, Peter Iannucci wrote:
>> In our case, the serial console is not an issue. We would like to
>> submit a patch to isolinux which HLTs on getchar if isolinux is not
>> running with the serial console option. Do you think this is the
>> right solution to this problem? Can we work with you to resolve this?
> I support you on this, I brought this on the table last year too. We are
> not using serial console and this is a big issue for us too.
> In our case we do CD-based anaconda installations that (on success)
> automatically reboot. Since we cannot eject these virtual ISO images
> they wait on the isolinux bootprompt after this reboot.
> It may take a few days (in some cases were we do test installations
> weeks) before the machines are booted (or re-installed) and it is
> wasting CPU power.
> On a physical machine it's less disturbing since it is dedicated
> hardware (still not OK for green computing) but in virtualization this
> is a huge problem.
Keep in mind that if you have control over the configuration it might be
preferrable to set a totaltimeout which shuts down the domain...
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel. I don't speak on their behalf.
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