From mboxrd@z Thu Jan 1 00:00:00 1970 Content-Type: multipart/mixed; boundary="===============9220854432046417219==" MIME-Version: 1.0 From: Luca Olivetti To: lkp@lists.01.org Subject: Re: [media/dvb_usb_af9005] BUG: unable to handle kernel paging request (WAS: [media/em28xx] BUG: unable to handle kernel) Date: Tue, 23 Sep 2014 21:03:25 +0000 Message-ID: <5421E00B.2050404@ventoso.org> In-Reply-To: <5421C187.2070407@googlemail.com> List-Id: --===============9220854432046417219== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable El 23/09/14 20:52, Frank Sch=C3=A4fer ha escrit: >>> This seems to be an ancient bug, which is known at least since 5 1/2 ye= ars: >>> https://lkml.org/lkml/2009/2/4/350 [...] >> >> #if defined(CONFIG_MODULE) || defined(CONFIG_DVB_USB_AF9005_REMOTE) > What happens, if CONFIG_MODULES is enabled, but neither module > af9005-remote nor any other IR module is available ? > Has this ever been tested ? I think I tested at the time and symbol_request returned NULL in that case, however I'm not sure and I cannot find any documentation on how symbol_request is supposed to work in that case. Bye -- = Luca --===============9220854432046417219==-- From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from 9.mo4.mail-out.ovh.net ([46.105.40.176]:55781 "EHLO mo4.mail-out.ovh.net" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751746AbaIWXcu (ORCPT ); Tue, 23 Sep 2014 19:32:50 -0400 Received: from mail607.ha.ovh.net (gw6.ovh.net [213.251.189.206]) by mo4.mail-out.ovh.net (Postfix) with SMTP id 236C5FFA85F for ; Tue, 23 Sep 2014 23:03:22 +0200 (CEST) Message-ID: <5421E00B.2050404@ventoso.org> Date: Tue, 23 Sep 2014 23:03:07 +0200 From: Luca Olivetti MIME-Version: 1.0 To: =?windows-1252?Q?Frank_Sch=E4fer?= , Fengguang Wu CC: Mauro Carvalho Chehab , linux-media@vger.kernel.org, Jet Chen , Su Tao , Yuanhan Liu , LKP , linux-kernel@vger.kernel.org, crope@iki.fi Subject: Re: [media/dvb_usb_af9005] BUG: unable to handle kernel paging request (WAS: [media/em28xx] BUG: unable to handle kernel) References: <20140919014124.GA8326@localhost> <541C7D9D.30908@googlemail.com> <541C826D.7060702@googlemail.com> <541C8A26.6050207@ventoso.org> <5421C187.2070407@googlemail.com> In-Reply-To: <5421C187.2070407@googlemail.com> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 8bit Sender: linux-media-owner@vger.kernel.org List-ID: El 23/09/14 20:52, Frank Schäfer ha escrit: >>> This seems to be an ancient bug, which is known at least since 5 1/2 years: >>> https://lkml.org/lkml/2009/2/4/350 [...] >> >> #if defined(CONFIG_MODULE) || defined(CONFIG_DVB_USB_AF9005_REMOTE) > What happens, if CONFIG_MODULES is enabled, but neither module > af9005-remote nor any other IR module is available ? > Has this ever been tested ? I think I tested at the time and symbol_request returned NULL in that case, however I'm not sure and I cannot find any documentation on how symbol_request is supposed to work in that case. Bye -- Luca