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[Qemu-devel] Re: Regression due to "Fall back to network boot..."


From: Anthony Liguori
Subject: [Qemu-devel] Re: Regression due to "Fall back to network boot..."
Date: Fri, 30 Oct 2009 15:11:55 -0500
User-agent: Thunderbird 2.0.0.23 (X11/20090825)

Jan Kiszka wrote:
Anthony Liguori wrote:
Jan Kiszka wrote:
OK, thanks. Still one complaint: gPXE comes with an annoying boot delay
even if you can boot from disk or have _explicitly_ specified this. I'm
not familiar with it, but I bet there is some magic config switch to
disable this...
Nothing seemed obvious to me.  If anyone has ideas/patches I'm all for it.

Found it: BANNER_TIMEOUT=0.

But it's not a tunable and I was hoping to not have to pull gpxe into the tree and start adding patches.

Maybe we could wait until 0.13 and then introduce the FW cfg interface to gpxe? I've already talked to some of the gpxe devs about it and they seem pretty receptive. That would let us define how long the timeout was.

The advantage of leaving in the timeout is that it lets a user access the gPXE menu even if it's not set to be bootable. You see this on bare metal all of the time with gPXE.

It's just blocking the menu, even starting with -S, injecting ctrl-b via
the monitor and then continuing doesn't help. Not sure if we loose much
this way, though.

Regards,

Anthony Liguori





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