[syslinux] Syslinux-6.02-pre2 - booting 32-bit kernels from efi64

Matt Fleming matt at console-pimps.org
Thu Jul 18 07:51:17 PDT 2013


On Wed, 10 Jul, at 03:44:57PM, Andreas Heinlein wrote:
> Am 08.07.2013 18:32, schrieb Matt Fleming:
> >I just released 6.02-pre2 which includes support for booting 32-bit
> >kernels from efi64. I know a number of people wanted this feature, so
> >hopefully it will be tested in various environments.
> >
> >One thing to note is that it is not possible to boot a 32-bit kernel
> >from efi64 via the EFI handover protocol (or from firmware via the EFI
> >boot stub), but the kernel loader in Syslinux is smart enough to
> >fallback to the legacy scheme and just not use any of the EFI boot stub
> >code when mixing firmware/kernels.
> >
> During my tests, it did not work. When selecting a 32bit kernel
> entry, screen went black for about 2 seconds, then dropped back to
> Syslinux menu. 64bit kernel booted just fine.

What kernel were you booting?

That sounds very much like the kernel returned control to Syslinux,
which is kinda weird.

-- 
Matt Fleming, Intel Open Source Technology Center


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