linux-kernel - Re: [linux-usb-devel] [IRQ map] VIA C7 CN700 2.6.23-rc9-git USB IRQs disabled

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Date:	Fri, 5 Oct 2007 10:25:06 -0400 (EDT)
From:	Alan Stern <stern@...land.harvard.edu>
To:	Guennadi Liakhovetski <g.liakhovetski@....de>
cc:	linux-kernel@...r.kernel.org,
	<linux-usb-devel@...ts.sourceforge.net>
Subject: Re: [linux-usb-devel] [IRQ map] VIA C7 CN700 2.6.23-rc9-git USB IRQs
 disabled

On Fri, 5 Oct 2007, Guennadi Liakhovetski wrote:

> Booting git snapshot of about 6 hours ago, getting the following:
> 
> USB Universal Host Controller Interface driver v3.0
> ACPI: PCI Interrupt Link [ALKB] enabled at IRQ 21
> ACPI: PCI Interrupt 0000:00:10.0[A] -> Link [ALKB] -> GSI 21 (level, low) -> IRQ 18
> ACPI: PCI interrupt for device 0000:00:10.0 disabled
> uhci_hcd 0000:00:10.0: init 0000:00:10.0 fail, -16
> uhci_hcd: probe of 0000:00:10.0 failed with error -16

> With "pci=routeirq" it is the same, but then it's "IRQ 17" instead of 18, 
> and the line
> 
> ACPI: PCI Interrupt Link [ALKB] enabled at IRQ 21
> 
> is missing. Works with Debian etch default 2.6.18. /proc/interrupts under 
> .23-rc9-...:

What do you get with CONFIG_USB_DEBUG enabled?

Alan Stern

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