[ipxe-devel] SAN Boot Windows XP with USB-NIC.

Michael Brown mbrown at fensystems.co.uk
Wed Mar 23 14:38:13 UTC 2011

On Thursday 03 Mar 2011 17:07:58 Michael Brown wrote:
> The only change I can think of that might be relevant to the UNDI driver is
>   http://git.ipxe.org/ipxe.git/commitdiff/006d9f1
> It's possible that your card is erroneously reporting that it doesn't
> support interrupts, when in fact it requires the interrupt-triggered call
> to PXENV_UNDI_ISR_IN_START in order to make packet reception work.  You
> could try overriding the interrupts-supported detection logic using the
> attached patch.

I have committed a change that should (hopefully) fix this problem permanently:


I think this should solve your interrupt-related problem, without breaking the 
Emulex NICs.


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