[syslinux] syslinux-2.05 boot floppy failures, size related?

[H. Peter Anvin]

Mikael Pettersson wrote:
> 
> Observations:
> 1. It's not a media problem. I've switched floppies and
>    reformatted them, but the failure persists.
> 2. It's not a BIOS problem. The latest image that failed
>    does so on three very different PCs.

What three different PCs?

> 3. The problem appears to occur for specific image sizes.
>    The latest failed bzImage is 947503 bytes, but enlarging it
>    by including more stuff in the kernel allows syslinux to
>    boot it. (I've booted 1200K+ images often, but syslinux
>    seems to have problems with around 900K+ and 1100K+ images.)
> 4. syslinux -s makes no difference at all.
> 
> I've put my latest failed bzImage and corresponding 2.6.0-test3
> .config in http://www.csd.uu.se/~mikpe/linux/syslinux205bug/,
> in case anyone can debug it. I tried looking at syslinux' source
> but it's a big pile of assembly so I'm lost there...

Please put floppy images instead.  That way I might be able to reproduce 
the failure.

	-hpa