linux-kernel - Re: [Linux-usb-users] [REGRESSION] 2.6.23-rc1: uhci

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Date:	Sun, 29 Jul 2007 11:19:47 -0400 (EDT)
From:	Alan Stern <stern@...land.harvard.edu>
To:	Mark Hindley <mark@...dley.org.uk>
cc:	linux-kernel@...r.kernel.org,
	<linux-usb-users@...ts.sourceforge.net>
Subject: Re: [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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