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Date:      Mon, 22 May 2000 20:53:15 +0100 (BST)
From:      Doug Rabson <dfr@nlsystems.com>
To:        Alexander Langer <alex@big.endian.de>
Cc:        freebsd-alpha@freebsd.org
Subject:   Re: device ed (PCI) on alphas
Message-ID:  <Pine.BSF.4.21.0005222052180.73457-100000@salmon.nlsystems.com>
In-Reply-To: <20000522120120.C809@cichlids.cichlids.com>

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On Mon, 22 May 2000, Alexander Langer wrote:

> Thus spake Doug Rabson (dfr@nlsystems.com):
> 
> > Just after sending the last reply I realised that this is a PCI ed device
> > which changes things. Often alphas have two different interrupt numbering
> > systems, one for PCI and one for ISA so if a PCI device appears to have
> > the same irq as an ISA device, there probably is no conflict.
> > I don't know what is the real problem with your NIC though, sorry.
> 
> Hmm. I changed the hardware-slots and then the NIC hat IRQ 0 and IRQ
> 1.

Its actually quite reasonable to have IRQ 0 or IRQ 1 for PCI devices on an
alpha. As I tried to explain, they are allocated completely differently
from typical x86 machines.

> 
> That definitely seems not good, so I replaced the PCI NICH with an old
> ISA ed-board, and will port the driver today.

Cool.

-- 
Doug Rabson				Mail:  dfr@nlsystems.com
Nonlinear Systems Ltd.			Phone: +44 20 8442 9037




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