[syslinux] Linux syslinux-3.72 does not update boot block for SD devices

[H. Peter Anvin]

Jim Fridlund wrote:
> I see what you mean. I stepped through it with the debugger and I see  
> syslinux trying to write to the mbr by invoking xpwrite() function  
> which calls the pwrite() system call. The system call returned 512  
> bytes, but reading back still showed the old values. Again, thanks for  
> the help!

What you saw was writing the boot sector, not the MBR.

	-hpa