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: [kvm-ppc-devel] Bamboo PCI interrupt issues
Date: Tue, 04 Mar 2008 06:18:21 +0000 [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.
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WARNING: multiple messages have this Message-ID (diff)
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.
next prev parent reply other threads:[~2008-03-04 6:18 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-03-04 0:02 [kvm-ppc-devel] Bamboo PCI interrupt issues Hollis Blanchard
2008-03-04 0:02 ` Hollis Blanchard
2008-03-04 0:59 ` [kvm-ppc-devel] " David Gibson
2008-03-04 0:59 ` David Gibson
2008-03-04 1:42 ` [kvm-ppc-devel] " Benjamin Herrenschmidt
2008-03-04 1:42 ` Benjamin Herrenschmidt
2008-03-04 1:53 ` [kvm-ppc-devel] " David Gibson
2008-03-04 1:53 ` David Gibson
2008-03-04 2:07 ` [kvm-ppc-devel] " Segher Boessenkool
2008-03-04 2:07 ` Segher Boessenkool
2008-03-04 2:15 ` [kvm-ppc-devel] " David Gibson
2008-03-04 2:15 ` David Gibson
2008-03-04 3:37 ` [kvm-ppc-devel] " Josh Boyer
2008-03-04 3:37 ` Josh Boyer
2008-03-04 6:15 ` [kvm-ppc-devel] " Stefan Roese
2008-03-04 6:15 ` Stefan Roese
2008-03-04 6:33 ` [kvm-ppc-devel] " Benjamin Herrenschmidt
2008-03-04 6:33 ` Benjamin Herrenschmidt
2008-03-04 20:39 ` [kvm-ppc-devel] " Segher Boessenkool
2008-03-04 20:39 ` Segher Boessenkool
2008-03-04 20:41 ` [kvm-ppc-devel] " Benjamin Herrenschmidt
2008-03-04 20:41 ` Benjamin Herrenschmidt
2008-03-04 20:59 ` [kvm-ppc-devel] " Segher Boessenkool
2008-03-04 20:59 ` Segher Boessenkool
2008-03-04 21:01 ` [kvm-ppc-devel] " Benjamin Herrenschmidt
2008-03-04 21:01 ` Benjamin Herrenschmidt
2008-03-04 6:18 ` Benjamin Herrenschmidt [this message]
2008-03-04 6:18 ` Benjamin Herrenschmidt
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