[syslinux] syslinux-3.09 PXE boot regression...

[Daniel J Blueman]

When PXE booting hp DL145 and Celestica A2210 dual Opteron systems
(same underlying h/w; AMD reference design IIRC), syslinux-3.09 and
-3.10pre8 both cause the system to lockup without keyboard interrupts
working when booting to local disk.

I can confirm that syslinux-3.08 works as expected on these systems -
perhaps the reverting of the command line buffer size?

I am willing to test out any pxelinux.0 images to help find the change
that caused this.

Many thanks,
  Daniel
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Daniel J Blueman