[ixp1200] GigaMAC diagnostic problems...

[Brandewie, Dirk J]

What microcode are you running to run this test?  I will
try to reproduce the problem here.

--Dirk

> -----Original Message-----
> From: Austen McDonald [mailto:austen at cc.gatech.edu]
> Sent: Wednesday, May 23, 2001 11:22 AM
> To: ixp1200 at CS.Princeton.EDU
> Subject: [ixp1200] GigaMAC diagnostic problems...
> 
> 
> 
> 	Has anyone tried to use the diagnostics w/ the GigaMACs---we set
> it up and both internal and external loopback modes fail. We 
> have the MAC
> enabled w/ jumper J34 and we get the status lights on both 
> the ports when
> we loop a cable between them but the IXbus tx/rx tests fail---the
> microcode should send packets and recv them but it doesn't.
> 	I'm wondering if this is a hardware problem or a diagnostic
> program problem. I think it is the latter because if I run my own
> diagnostic program, I can get the GigaMAC's receive counter 
> to increase
> when I send it packets (even though it doesnt appear to 
> assert the rxrdy
> flag when the IX bus polls it).
> 	Any guidance?	
> 
> Austen McDonald
> austen at cc.gatech.edu
> 
> God does not care about our mathematical difficulties. 
> He integrates empirically.
>   -- Albert Einstein
> 
>