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

jerrycheng-hinet jaspers.cheng at msa.hinet.net
Wed Mar 23 16:56:17 UTC 2011

Thanks, Michael,

After updating to the latest iPXE (which seems to include this change), 
everything works fine with my USB-NIC.

I think the change should work for my USB-NIC. Thanks very much for your 
great help!


----- Original Message ----- 
From: "Michael Brown" <mbrown at fensystems.co.uk>
To: <ipxe-devel at ipxe.org>
Cc: "jerrycheng-hinet" <jaspers.cheng at msa.hinet.net>; 
<Muralidhar.Appalla at emulex.com>; "Mauricio Silveira" 
<mauricio at livreti.com.br>
Sent: Wednesday, March 23, 2011 10:38 PM
Subject: Re: [ipxe-devel] SAN Boot Windows XP with USB-NIC.

> 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:
>  http://git.ipxe.org/ipxe.git/commitdiff/b6ca3aa
> I think this should solve your interrupt-related problem, without breaking 
> the
> Emulex NICs.
> Michael 

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