[syslinux] FW: pxelinux 5.x, 6.x memtest problem

[Németh Péter]

Additional information:
I was tried it with 2 virtualbox (version 4.2.14r86644).1rst: debian weezy with isc-dhcp-server, pxelinux5.01, pxelinux 6.00, tftp-hpa2nd: empty virtualbox booting from virtual network card.
So memtest 4.1 and 4.2 worked with pxelinux 4.06
Peter


> Date: Fri, 28 Jun 2013 09:02:30 +0100
> From: matt at console-pimps.org
> To: coolpet80 at hotmail.com
> CC: syslinux at zytor.com
> Subject: Re: [syslinux] pxelinux 5.x, 6.x memtest problem
> 
> On Fri, 28 Jun, at 08:13:03AM, Németh Péter wrote:
> > Hi guys!
> > I tried to boot memtest86+ v4.2 (renamed memtest.bin to memtest), and
> > i have issues to boot it with pxelinux 5.x and greater.Pxelinux 4.06
> > works fine both memtest 4.1 and 4.2.
> > With version 6.00 no error message caught, only writes out dots. Any
> > keypress does a reboot.With version 5.01 the error message is the
> > follow:Loading images/memtest/memtest86... okBooting kernel failed:
> > Bad file number
> > The pxelinux.cfg/default file contents:DEFAULT memtest2
> > LABEL memtest    KERNEL images/memtest/memtest.original    APPEND console=ttyS0,9600n8
> > LABEL memtest2    KERNEL images/memtest/memtest86    APPEND console=ttyS0,9600n8
> > PROMPT 1TIMEOUT 100
> > Any ide how to solve this?
>  
> This is the infamous PXE-stack-smasher-bug. It's a regression in the
> 5.xx series (which means it's also in the 6.xx series). This has been
> one of those difficult to reproduce bugs, because it's very much
> dependent on the BIOS memory map.
> 
> Is anyone that is hitting this issue willing/able to build PXELINUX from
> a git branch to help with debugging this?
> 
> -- 
> Matt Fleming, Intel Open Source Technology Center