linux-kernel - Re: v2.6.26-rc9: ACPI PCI irq routing on NUMA? + early

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Date:	Thu, 17 Jul 2008 12:45:31 -0600
From:	Bjorn Helgaas <bjorn.helgaas@...com>
To:	"Vegard Nossum" <vegard.nossum@...il.com>
Cc:	"Ingo Molnar" <mingo@...e.hu>,
	"Alexey Starikovskiy" <astarikovskiy@...e.de>,
	"Thomas Gleixner" <tglx@...utronix.de>,
	venkatesh.pallipadi@...el.com, "Huang Ying" <ying.huang@...el.com>,
	"Andi Kleen" <andi@...stfloor.org>, linux-kernel@...r.kernel.org,
	linux-acpi@...r.kernel.org
Subject: Re: v2.6.26-rc9: ACPI PCI irq routing on NUMA? + early_ioremap trouble

On Sunday 06 July 2008 07:47:19 am Vegard Nossum wrote:
> I have produced a config which doesn't boot correctly on either of my
> computers with v2.6.26-rc9.
> 
> The first problem is with my laptop, which hangs on boot, see
> screenshot (sorry for the bad quality, I was in a hurry):
> http://folk.uio.no/vegardno/linux/DSCF3026.JPG
> 
> I figured there's something wrong with ACPI PCI irq routing as I'm
> missing a message that shows up in my usual configs:
> 
> calling  ide_scan_pcibus+0x0/0xf0
> ICH8M: IDE controller (0x8086:0x2850 rev 0x03) at  PCI slot 0000:00:1f.1
>     --- HERE: ---
> ACPI: PCI Interrupt 0000:00:1f.1[A] -> GSI 18 (level, low) -> IRQ 18
>     ----
> ICH8M: not 100% native mode: will probe irqs later
> 
> ...and as can be seen in the screenshot, ide-cd "lost interrupt".
> Unfortunately, I don't have a serial line on this machine, so it's
> hard to get the full log. (Maybe I can try netconsole, it seems to be
> up by the time this happens.)

If you could get netconsole working and collect the complete
console log from both the working config and the broken one,
that would help a lot.

Bjorn
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