linux-kernel - USB Serial device disconnect causes IRQ disable

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Date:	Wed, 20 Aug 2008 17:18:37 -0700 (PDT)
From:	amruth <amruth_pv@...oo.com>
To:	Oliver Neukum <oliver@...kum.org>
Cc:	linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: USB Serial device disconnect causes IRQ disable

Hi
I don't have any driver modules. I have everything built into kernel.
When can this kind of IRQ disable happen, what causes this. The issue happened because of hotplugging my device but the device works fine.
usb_register(driver) might have caused the issue. How do we debug this problem.
Thanks
Amruth p.v


--- On Wed, 8/20/08, Oliver Neukum <oliver@...kum.org> wrote:

> From: Oliver Neukum <oliver@...kum.org>
> Subject: Re: USB Serial device disconnect causes IRQ disable
> To: amruth_pv@...oo.com
> Cc: linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org
> Date: Wednesday, August 20, 2008, 3:23 PM
> Am Mittwoch 20 August 2008 21:34:51 schrieb amruth:
> > Hi
> > I again encountered the same issue IRQ23 disabled.
> > Here is my /proc/interrupts
> 
> There is some unknown interrupt on 23. Try unloading
> drivers until it works. You can sort of bisect it if you
> divide
> your loaded modules in groups.
> 
> 	Regards
> 		Oliver
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