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From: Grant Grundler <grundler@parisc-linux.org>
To: Matthew Wilcox <matthew@wil.cx>
Cc: James Bottomley <James.Bottomley@HansenPartnership.com>,
	Sjoerd Simons <sjoerd@luon.net>,
	linux-parisc@vger.kernel.org
Subject: Re: kernel fault when booting with dual link network card
Date: Sun, 29 Jun 2008 15:11:14 -0600	[thread overview]
Message-ID: <20080629211114.GA9572@colo.lackof.org> (raw)
In-Reply-To: <20080629162220.GL14894@parisc-linux.org>

On Sun, Jun 29, 2008 at 10:22:21AM -0600, Matthew Wilcox wrote:
...
> > the I/O module error seems to indicate an incorrect GSC DMA read.
> 
> I don't think it's going to tell us anything useful.  I believe that
> we've not set up the cardmode Dino correctly to respond to iomem space
> and as a result the first access to iomem space will fault.

It depends on if the first access is a read or a write. If it's a read
(and odds are good that's true), we will get the exact IP that faulted 
and get something about "CPU timeout" in the PIM dump.

> Of course, this is a machine with CCIO, so it could be something going
> wrong with the CCIO programming too.  But I think it's Dino.

I doubt it too. I agree it's much more likely something with Dino.

thanks,
grant

  parent reply	other threads:[~2008-06-29 21:11 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-06-29 15:17 kernel fault when booting with dual link network card Sjoerd Simons
2008-06-29 16:00 ` James Bottomley
2008-06-29 16:22   ` Matthew Wilcox
2008-06-29 17:54     ` Joel Soete
2008-06-29 17:57       ` Sjoerd Simons
2008-06-29 18:11         ` Joel Soete
2008-06-29 18:38           ` Sjoerd Simons
2008-06-29 21:11     ` Grant Grundler [this message]
2008-06-29 21:05 ` Grant Grundler

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