[syslinux] Need help tracking the spread of a BIOS bug

[Jacek Kalinski]

On 26.08.2009, 06:25, H. Peter Anvin wrote:
> Help everyone... I need to track the spread of a BIOS bug.  One symptom
> of this particular BIOS bug is that with pxelinux.0 from Syslinux
> 3.83-pre9, "localboot 0" works, but *if pxelinux.0 chainloads itself
> first*, then "localboot 0" *does not work*.
>
> I have reasons to believe this is a fairly widespread bug among newer
> hardware (made in the last two years or so), and it is absolutely critical
> that I get an idea for which systems are and are not affected.
>
> If you can try the above experiment on as many systems as possible, and
> email me the output of "dmidecode" and "lspci -vn" together with an
> "affected"/"not affected" that would be hugely appreciated.
>
>
> This is just a small symptom of a much more serious bug which is just
> waiting to bite, but I think I have a workaround for it -- but I need your
> help in understanding when the workaround can be deployed.
>
> Thanks,

Hi,

I'm interesting in testing (over 12 different motherboards, processors,
BIOSes), but could you please explain "pxelinux.0 chanloads itself"? Maybe
a simple example?

Jack