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To: linux-kernel@vger.kernel.org
From: "H. Peter Anvin" <hpa@zytor.com>
Subject: Re: 2.4.0-test11-pre7: isapnp hang
Date: 19 Nov 2000 16:32:38 -0800
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Followup to:  <20001119233450.H20970@redhat.com>
By author:    Tim Waugh <twaugh@redhat.com>
In newsgroup: linux.dev.kernel
> 
> Reading from port 0x313 (my ISA NE2000 is at 0x300-0x31f) hangs my
> machine dead.  Unfortunately, reading from that port is exactly what
> the isapnp code does on boot, if compiled into the kernel.
> 
> Is it the network card's fault (probably), or is there a less invasive
> probe that isapnp could use (unlikely, I guess)?
> 

Try reserving ports 0x300-0x31f on the kernel command line
("reserve=0x300,0x20").

I'm surprised isapnp uses a port in such a commonly used range,
though.

	-hpa
-- 
<hpa@transmeta.com> at work, <hpa@zytor.com> in private!
"Unix gives you enough rope to shoot yourself in the foot."
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