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From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Josh Boyer <jwboyer@linux.vnet.ibm.com>
Cc: kvm-ppc-devel <kvm-ppc-devel@lists.sourceforge.net>,
	linuxppc-dev <linuxppc-dev@ozlabs.org>,
	Hollis Blanchard <hollisb@us.ibm.com>
Subject: Re: Bamboo PCI interrupt issues
Date: Tue, 04 Mar 2008 17:18:21 +1100	[thread overview]
Message-ID: <1204611501.21545.48.camel@pasglop> (raw)
In-Reply-To: <20080303213718.12291eee@zod.rchland.ibm.com>


On Mon, 2008-03-03 at 21:37 -0600, Josh Boyer wrote:
> I plugged in an old 3Com ethernet card tonight.  Slot 0.  It was
> assigned dev #4 IRQ 25.  Using the device tree as-is, I could see
> interrupts happening in /proc/interrupts but ethernet traffic failed.
> 
> Then I changed the sense level to 4 as you suggested, and my card hung
> hard on the first ethernet traffic.  I've no idea if we're dealing
> with
> a crappy card or a crappy driver but the device tree seems to be
> working ok.  If I can find a different card to test with I will.
> 
> Ben, do you have any input here?

Other than bamboo has the weirdest combination of FPGA/CPLD/DIP switches
that I could never figure out if PCI was clocked properly ?

That might just be the problem :-)

I do remember having issues now that we talk about it. Though not
specifically what they were.

Ben.

      parent reply	other threads:[~2008-03-04  6:24 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-03-04  0:02 Bamboo PCI interrupt issues Hollis Blanchard
2008-03-04  0:59 ` David Gibson
2008-03-04  1:42   ` Benjamin Herrenschmidt
2008-03-04  1:53     ` David Gibson
2008-03-04  2:07       ` Segher Boessenkool
2008-03-04  2:15         ` David Gibson
2008-03-04  3:37 ` Josh Boyer
2008-03-04  6:15   ` Stefan Roese
2008-03-04  6:33     ` Benjamin Herrenschmidt
2008-03-04 20:39       ` Segher Boessenkool
2008-03-04 20:41         ` Benjamin Herrenschmidt
2008-03-04 20:59           ` Segher Boessenkool
2008-03-04 21:01             ` Benjamin Herrenschmidt
2008-03-04  6:18   ` Benjamin Herrenschmidt [this message]

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