pxe boot: BTX halted

Jan Branbergen freebsd at evation.com
Mon Jan 24 08:09:06 PST 2005

> I am desperately trying to get pxe boot running.
> The client machine is a PentiumMMX/166MHz which successfully
> boots FreeBSD from hard disk. It is connected to the server
> machine's second ethernet card xl0 (3com).
> I can boot the client with etherboot from a floppy withoudt
> problems,
> but usually have no floppy connected to the machine.
> When I run ethereal on the server machine I see successful
> dhcp and tftp requests. No obvious problems.
> The client machine comes up with "Intel UNDI PXE-2.0 (build 074)".
> PXEBOOT usually crashes with int 6 or int d.
> CS:EIP points to nothing: ff ff ff ff ...
> The final message is: 'BTX halted'.
> Any idea?

you could try to update the PXE firmware for your card. i have encountered some problems with older PXE cards ( go to manufacturers website ). 

furthermore, please post ( your / the relevant portion of )  dhcpd.conf 



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