Re: 2.6.7-mm3 USB ehci IRQ problem

From: Len Brown
Date: Mon Jul 05 2004 - 14:05:23 EST


On Sun, 2004-06-27 at 08:02, Jurgen Kramer wrote:
> With 2.6.7-mm3 I am missing my USB 2.0 memory stick. It doesn't show
> up in the usb device listing. But when I unplug it I get:
>
> irq 23: nobody cared!
> [<c0108106>] __report_bad_irq+0x2a/0x8b
> [<c01081f0>] note_interrupt+0x6f/0x9f
> [<c0108473>] do_IRQ+0x10c/0x10e
> [<c0106850>] common_interrupt+0x18/0x20
> handlers:
> [<f9d0f65c>] (snd_emu10k1_interrupt+0x0/0x3c4 [snd_emu10k1])
> Disabling IRQ #23
>
> The soundcard is still usable but there are no new interrupts.
>
> When I try to reload the ehci module I get:
>
> ACPI: PCI interrupt 0000:00:1d.7[D] -> GSI 23 (level, low) -> IRQ 23
> ehci_hcd 0000:00:1d.7: Intel Corp. 82801EB/ER (ICH5/ICH5R) USB2 EHCI
> Controller
> ehci_hcd 0000:00:1d.7: BIOS handoff failed (104, 1010001)
> ehci_hcd 0000:00:1d.7: can't reset
> ehci_hcd 0000:00:1d.7: init 0000:00:1d.7 fail, -95
> ehci_hcd: probe of 0000:00:1d.7 failed with error -95
>
> IRQ23 is normally shared between emu10k1 and the ehci controller
> without problems.

it worked normally in 2.6.7 vanilla?

it would be interesting to know if booting with "acpi_os_name=Linux"
makes any difference.

-Len


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