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SubjectRe: irq 19: nobody cared
On Fri, 19 Sep 2008 13:40:33 -0700
"Chris Li" <lkml@chrisli.org> wrote:

> Hi,
>
> I run into this irq nobody care problem on a dell vostro 200 machine.
> I test the latest git tree. The problem is there as well.
> I also update the BIOS to the latest version. Doesn't help either.
>
> It seem the IRQ in question is shared between UHCI and SATA controller.
> So I am not sure it is a SATA problem or a USB problem.

It could also be an IRQ being routed wrongly or an incorrect BIOS table
so that the kernel is looking for the IRQ in the wrong place.

Does booting with the irqpoll option help ?

>
> usb 4-2: new full speed USB device using uhci_hcd and address 2
> irq 19: nobody cared (try booting with the "irqpoll" option)

And does this last one (the irq19) occur immediately when you plug in a
USB device ?


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