linux-kernel - Re: irq 19: nobody cared

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Message-ID: <86802c440809221832p408d15aan9bdcd3aab54ed80d@mail.gmail.com>
Date:	Mon, 22 Sep 2008 18:32:10 -0700
From:	"Yinghai Lu" <yhlu.kernel@...il.com>
To:	"Chris Li" <lkml@...isli.org>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: irq 19: nobody cared

On Mon, Sep 22, 2008 at 4:30 PM, Chris Li <lkml@...isli.org> wrote:
> On Sat, Sep 20, 2008 at 4:21 PM, Chris Li <lkml@...isli.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
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