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    SubjectRe: irq 19: nobody cared
    On Fri, Sep 19, 2008 at 1:40 PM, 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.
    >
    > usb 4-2: new full speed USB device using uhci_hcd and address 2
    > irq 19: nobody cared (try booting with the "irqpoll" option)
    > Pid: 427, comm: nash-hotplug Not tainted 2.6.27-rc6 #1
    > [<c045e3e0>] __report_bad_irq+0x2e/0x6f
    > [<c045e5ea>] note_interrupt+0x1c9/0x21b
    > [<c045db80>] ? handle_IRQ_event+0x2a/0x5a
    > [<c045eba8>] handle_fasteoi_irq+0x99/0xc0
    > [<c045eb0f>] ? handle_fasteoi_irq+0x0/0xc0
    > [<c04059d3>] do_IRQ+0x9a/0xc4
    > [<c0404467>] common_interrupt+0x23/0x28
    > [<c0403989>] ? sysenter_past_esp+0x3a/0x62
    > [<c0630000>] ? serial8250_probe+0x169/0x1c0
    > =======================
    >

    can you boot with pci=earlydump ?

    YH


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