From mboxrd@z Thu Jan  1 00:00:00 1970
From: Greg KH <gregkh@linuxfoundation.org>
Subject: Re: kernel Oops: 0003 on usbhid_submit_report
Date: Tue, 13 Aug 2013 11:40:56 -0700
Message-ID: <20130813184056.GH7740@kroah.com>
References: <9921350AD19C46EFA70EA181A0C1F7E9@sqhead.com>
Mime-Version: 1.0
Content-Type: text/plain; charset=utf-8
Content-Transfer-Encoding: QUOTED-PRINTABLE
Return-path: <linux-input-owner@vger.kernel.org>
Received: from mail.linuxfoundation.org ([140.211.169.12]:39284 "EHLO
	mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org
	with ESMTP id S1756886Ab3HMSk5 (ORCPT
	<rfc822;linux-input@vger.kernel.org>);
	Tue, 13 Aug 2013 14:40:57 -0400
Content-Disposition: inline
In-Reply-To: <9921350AD19C46EFA70EA181A0C1F7E9@sqhead.com>
Sender: linux-input-owner@vger.kernel.org
List-Id: linux-input@vger.kernel.org
To: Andreas =?iso-8859-1?Q?Lilleb=F8?= Holm <andreas@sqhead.com>
Cc: linux-usb@vger.kernel.org, linux-input@vger.kernel.org

<adding linux-input@ where the hid developers live...>

On Mon, Aug 12, 2013 at 01:56:40PM +0200, Andreas Lilleb=C3=B8 Holm wro=
te:
> When communicating with AT90USB1287, at random intervals (1/25 boots)
> the linux hid_output_field Oopses and kills the communicating thread.
> The AT90USB1287 microcontroller uses LUFA library for usb/hid
> communication. It is trigged by a ioctl call from userspace and fails
> in a kernel paging request.  The system is after the oops in a state
> where no hid commands is sent anymore and only a boot can fix the
> system.
>=20
> Keywords: usbhid hid
>=20
> Kernel version: Linux version 3.8.13-03081301-generic (apw@gomeisa) (=
gcc version 4.6.3 (Ubuntu/Linaro 4.6.3-1ubuntu5) ) #201305311535 SMP Fr=
i May 31 19:44:30 UTC 2013
>=20
> Oopses:
> http://paste.debian.net/24305
> http://paste.debian.net/24306
> http://paste.debian.net/24307
>=20
> Code:
> The error is triggered by:
> ioctl(fd,HIDIOCSUSAGES, &ref_multi_u);
> ioctl(fd,HIDIOCSREPORT, &rep_info_u);
>=20
> Notes:
> It is very hard to reproduce so seems like race condition=E2=80=A6
>=20
> Any tips to resolve/workaround this issue is appreciated and please
> let me know if my information is incomplete (This is my first kernel
> bug report)

Any chance you can try a supported kernel, like 3.10.6 or 3.11-rc5 to
see if that also causes problems?  We can't do anything with
distro-specific kernel releases like your 3.8.13 release from Ubuntu,
sorry.

thanks,

greg k-h
--
To unsubscribe from this list: send the line "unsubscribe linux-input" =
in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html