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Re: Help on disabling IRQ sharing

From: Thomas Schwinge
Subject: Re: Help on disabling IRQ sharing
Date: Tue, 27 Sep 2005 16:13:33 -0400
User-agent: Mutt/1.5.6+20040523i

On Sat, Sep 24, 2005 at 04:39:09AM +0530, Praveen Kumar wrote:
> But the system hangs after loading the RTL8139 and VIA-Rhine drivers. My 
> motherboard uses nVidia nForce chipset, that has internal audio and 
> ethernet. As I was aware that nForce MCP (internal ethernet) will not 
> work under GNU/Hurd, I have plugged in a RTL8139 ethernet adapter to my 
> free PCI slot. Also, googling showed me that GNU Mach will not boot if 
> IRQs are shared. Looked on some BIOS messages, I see that IRQs are 
> shared. How do I disable IRQ sharing?

That depends.  ;-)
Shared IRQs between devices that GNU Mach doesn't know about shouldn't be
problematic at all afaIk.
Sometimes you can just switch off devices using the BIOS's setup utility.
It might also help to just compile those drivers into GNU Mach that you
actually need.


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