[syslinux] Problem with pxelinux 5.0 and memtest

[H. Peter Anvin]

On 03/31/2013 11:23 AM, Koudai Aono wrote:
>> Peter, I think this is the bug that appears with the shuffler code
>> that we were trying to diagnose before (though I'm not suggesting the
>> bug is *in* the shuffler code).
>>
>> Wim, are you able to build Syslinux from source? If you've got your
>> machines hooked up to a serial console the best chance we have of
>> debugging this is for you to uncomment the following line in
>> mk/devel.mk,
>>
>>     # GCCWARN += -DDEBUG_PORT=0x3f8 -DDEBUG=1 
>>
>> and send us the console output. 
> Hello Everyone,
> 
> I see same error that memtest4.2 can't boot on pxelinux 5.0 and later.
> However, linux kernel 3.8 and DOS FD DISK image are ok on one.
> also memtest4.2 can boot on isolinux 5.0 which is build from same source
> code.
> 
> I just pushed the debug log which have boot message of pxelinux 5.1.0
> pre2 with memtest4.2.
> of course, i did how to get the log that Mr.Fleming said.
> 
> Please see this link for debugging syslinux.
> https://gist.github.com/koxudaxi/5281442
> 

This the memory map you have is very unusual for a PXE boot.  What is
the hardware you are booting on?

The boot log indicates a successful boot, so if it is not working there
is something else wrong.

	-hpa

-- 
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel.  I don't speak on their behalf.