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SubjectRe: [Linux-usb-users] [REGRESSION] 2.6.23-rc1: uhci_hcd. irq 4: nobody cared
On Sun, 29 Jul 2007, Mark Hindley wrote:

> Hi,
>
> I have just tried 2.6.23-rc1 on my Acer Aspire 1350.
>
> On boot I get the following error as the uhci_hcd module is loaded:
>
> Jul 28 18:23:20 mercury kernel: ACPI: PCI Interrupt 0000:00:10.0[A] -> Link [LNKA] -> GSI 4 (level, low) -> IRQ 4
> Jul 28 18:23:20 mercury kernel: uhci_hcd 0000:00:10.0: UHCI Host Controller
> Jul 28 18:23:20 mercury kernel: uhci_hcd 0000:00:10.0: new USB bus registered, assigned bus number 2
> Jul 28 18:23:20 mercury kernel: irq 4: nobody cared (try booting with the "irqpoll" option)

Did it work okay with older kernels? What does /proc/interrupts say in
both 2.6.23-rc1 and in a working kernel?

Alan Stern

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