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Date: Tue, 20 Nov 2012 11:14:27 -0500 (EST)
From: Alan Stern <stern@rowland.harvard.edu>
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To: Udo van den Heuvel <udovdh@xs4all.nl>
cc: linux-usb@vger.kernel.org, Jan Ceuleers <jan.ceuleers@computer.org>,
        Clemens Ladisch <clemens@ladisch.de>,
        Simon Jones <sijones2010@gmail.com>, <linux-kernel@vger.kernel.org>
Subject: Re: 3.4.4: disabling irq
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On Tue, 20 Nov 2012, Udo van den Heuvel wrote:

> > Secondly, try building a kernel with the patch below and 
> > CONFIG_USB_DEBUG enabled.  Let's see what the dmesg log says when the 
> > problem occurs.
> 
> I just booted into 3.6.7 with the patch:
> 
> # dmesg|sort|uniq
> ohci_hcd 0000:00:12.0: IRQ: 24 8000005a
> ohci_hcd 0000:00:14.5: IRQ: 24 8000005a
> #
> 
> So what does this mean?
> I did not get the `disabling irq` yet.

It means your system was working normally.  Which you already knew, 
because the IRQ didn't get disabled.

Alan Stern