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Date: Mon, 22 Sep 2008 18:32:10 -0700
From: "Yinghai Lu" <yhlu.kernel@gmail.com>
To: "Chris Li" <lkml@chrisli.org>
Subject: Re: irq 19: nobody cared
Cc: linux-kernel@vger.kernel.org
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On Mon, Sep 22, 2008 at 4:30 PM, Chris Li <lkml@chrisli.org> wrote:
> On Sat, Sep 20, 2008 at 4:21 PM, Chris Li <lkml@chrisli.org> wrote:
>>> can you boot with pci=routeirq ?
>>
>> See attached dmesg.
>
> Ping?
>
> Any other suggestions? In the week end I try to patch the SATA driver
> and USB driver.
>
> I add some debug print from UHCI interrupt handler. So the interrupt
> start to hammer as soon as the first UHCI hook to IRQ 19. The UHCI
> status bit is clean.
>
> I also try to disable SATA interrupt at early PCI scan. It does not
> help either.
>
> So I guess seems like wrong irq routing. How do I find out which
> device is injecting the interrupt?
>

CONFIG_X86_REROUTE_FOR_BROKEN_BOOT_IRQS