[ipxe-devel] blank screen, then back to grub. What to do next?

[Christian Nilsson]

Could it be that libreboot does not support bios calls? Can you boot and
run DOS from libreboot? (Which is close to what ipxe does in legacy mode)

One other possibility might be to compile a .rom for your nic and and
include that in the firmware build. But still requires the same support for
bios calls.

Have you gotten any info from the folks at libreboot?
On 7 Oct 2016 10:53, "Ian Kelling" <ian at iankelling.org> wrote:

> On Thu, Oct 6, 2016, at 10:06 PM, Christian Nilsson wrote:
> > Hi,
> > Always start with using the absolute latest ipxe git master, you can
> find a prbuilt image at http://boot.ipxe.org
> > Check that the ipxe version works with other boot methods, that means
> using ipxe.usb on a usb stick or ipxe.pxe chained over the network.
> >
>
> I have 2 environments I can do things in: grub2 (on coreboot/libreboot),
> and linux.
>
> I could also try to make ipxe into a libreboot payload, but that seems
> like it would definitely be harder than getting grub2 working.
>
> linux will only boot another os using kexec, which only linux
> implements,
> so it's out.
>
> grub2 on coreboot's main limitation is it does not support network
> boot or bios chainloading. So, no pxe chaining to ixpe.
>
> I tried the latest http://boot.ipxe.org/ipxe.lkrn using grub2's linux16
> command. Same result, black screen for a few seconds then back
> to grub.
>
> The other way libreboot's default grub config will boot for usb is
> syslinux_config command, which according to the cli help "executes
> syslinux config in same context", anyways, it does not work on the
> ipxe.iso or ipxe.usb.
>
> Perhaps there is some other grub2 config or command to use?
>
> Note, I've found that grub2 has changed somewhat significantly since the
> latest online manual was published, and some commands are only
> documented in the cli and source code.
>
>
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