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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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