[syslinux] syslinux 4.02 hangs at "boot:"

Alex Zeffertt alex.zeffertt at eu.citrix.com
Thu Feb 3 07:31:33 PST 2011

Hi Gene,

On Wed, 2011-02-02 at 12:49 +0000, Gene Cumm wrote:
> 2) For testing, remove the command line option "quiet" as this will
> change the behavior of any Syslinux variant.  It's possible that it's
> not hanging at the "boot: " prompt but after it tries to run
> mboot.c32.

I tried removing the "quiet" parameter but it didn't make any

> 3) Have you tried 4.03 or 4.04-pre5?  If not, I'd suggest trying them
> in this order after removing "quiet" and testing 4.02 without "quiet".

I've just tried both of these and they fail in the same way.

> 4) Do you have any machines that are identical to this machine that
> have differing success?  If so, I'd compare BIOS versions.  I had one
> machine that actually caused more issues with a BIOS upgrade as there
> was a new memory hole around 32-64MiB.  I know that for Linux kernels,
> linux.c32 has the new "loader" (I know there's a better word but can't
> remember it; basically how it loads files into memory in order to work
> around the memory holes) but I don't know what strategy mboot.c32
> uses.

We'll have a go at updating the BIOS tonight and we'll let you know if
this fixes the problem.

Thanks again,


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