linux-kernel - Re: powerpc: "IRQ probe failed (0x0)" on powerbook

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Date:	Mon, 11 Dec 2006 06:46:14 +1100
From:	Benjamin Herrenschmidt <benh@...nel.crashing.org>
To:	Andreas Schwab <schwab@...e.de>
Cc:	Paul Collins <paul@...ny.ondioline.org>, linuxppc-dev@...abs.org,
	paulus@...ba.org, linux-kernel@...r.kernel.org
Subject: Re: powerpc: "IRQ probe failed (0x0)" on powerbook

> Bisection has identified this patch:
> 
> commit f90bb153b1493719d18b4529a46ebfe43220ea6c
> Author: Benjamin Herrenschmidt <benh@...nel.crashing.org>
> Date:   Sat Nov 11 17:24:51 2006 +1100
> 
>     [POWERPC] Make pci_read_irq_line the default

Thanks Andreas ! I was expecting something around that patch indeed, I
suspect something in Apple device-tree is dodgy and breaking the
new generic PCI irq parsing (for example, at first sight, it's a PCI
device with 2 interrupts, which isn't allowed by the PCI spec).

I'll dig a bit more when I get to the office where my crash box is, and
will do a fix.

Ben.

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