[syslinux] Chaining to pxelinux.0 6.0.3 from iPXE - ldlinux.c32

[Gene Cumm]

On Tue, Sep 22, 2015 at 1:42 PM, Alan Sparks <asparks at doublesparks.net> wrote:
> On 9/22/2015 4:33 AM, Gene Cumm wrote:
>>
>> https://sites.google.com/site/genecsyslinux/sl604p0g15-bios.tgz?attredirects=0&d=1
>> https://sites.google.com/site/genecsyslinux/sl604p0g15-x64.tgz?attredirects=0&d=1
>>
>
> Tried these new binaries this morning.   No change, still will not
> attempt to load ldlinux.c32.

Sounds specific to the hardware, how you loaded iPXE or the version you're on.

> As a context, what I'm really trying to do is get a newer version of
> menu.c32 that doesn't hang in some of my customers' contexts - they're
> creating KVM/QEMU instances with no graphics, just text console, and for
> them menu.c32 is printing exactly the first character of the text menu,
> then hanging.   The menu.c32 in 6.0.3 doesn't seem to cause that...

That's a good thing that the newer version of menu.c32 seems to work better.

> But upgrading the pxelinux binaries - I forgot to mention, am running
> the official binaries - will not attempt to load ldlinux.c32.   On my
> ipxe script, I set the 210 and 209 options (see below) as works for 4.x
> and 3.x, I see the Web server log the hit for pxelinux.0, but never for
> ldlinux.c32.
>
> I did try lpxelinux.0 - this does work (with an odd delay) for the
> KVM/QEMU instance - but hangs on my hardware test of an HP SL390 with a
> Mellanox 10G NIC (older pxelinux.0 versions do work on that).

Quiet unfortunate.  I'm presuming you tried the lpxelinux.0 test binary?

> Any advice on any other debugging, strategies?   Or how I can just fix
> the older menu.c32 to work around the above issue and forget the 6.x
> upgrade?
> -Alan
>
> ================
> # set up pxelinux boot:
> # 209: the URL of the pxelinux.cfg
> set 209:string
> http://{{site}}/ipxe/menu.cfg?uuid=${uuid}&mac=${netX/mac}&serial=${serial}
> # 210: root URL where pxelinux will get files
> set 210:string http://{{site}}/tftpboot/bios.604/
> set filename ${210:string}pxelinux.0
> chain ${filename} ||
> #kernel ${210:string}/pxelinux.0
>
> #boot

That should just work.

-- 
-Gene