From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932978AbYB0BnF (ORCPT ); Tue, 26 Feb 2008 20:43:05 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1764961AbYB0Bmv (ORCPT ); Tue, 26 Feb 2008 20:42:51 -0500 Received: from igraine.blacknight.ie ([81.17.252.25]:55596 "EHLO igraine.blacknight.ie" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752884AbYB0Bmv (ORCPT ); Tue, 26 Feb 2008 20:42:51 -0500 Date: Wed, 27 Feb 2008 01:42:38 +0000 From: Robert Fitzsimons To: Mauro Carvalho Chehab Cc: Bongani Hlope , video4linux-list@redhat.com, linux-kernel@vger.kernel.org Subject: Re: 2.6.25-rc[12] Video4Linux Bttv Regression Message-ID: <20080227014238.GA2685@localhost> References: <200802171036.19619.bonganilinux@mweb.co.za> <20080218131125.2857f7c7@gaivota> <200802182320.40732.bonganilinux@mweb.co.za> <200802190121.36280.bonganilinux@mweb.co.za> <20080219111640.409870a9@gaivota> <20080226154102.GD30463@localhost> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20080226154102.GD30463@localhost> User-Agent: Mutt/1.5.17+20080114 (2008-01-14) X-blacknight-igraine-MailScanner-Information: Please contact the ISP for more information X-MailScanner-ID: 1JUBJU-0007A4-H3 X-blacknight-igraine-MailScanner: Found to be clean X-blacknight-igraine-MailScanner-SpamCheck: not spam, SpamAssassin (not cached, score=1.608, required 7, autolearn=disabled, HELO_LOCALHOST 4.50, RCVD_IN_NERDS_IE -3.50, RCVD_IN_PBL 0.51, RDNS_NONE 0.10) X-blacknight-igraine-MailScanner-SpamScore: s X-MailScanner-From: robfitz@273k.net Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > I think I might have seen this problem but it didn't cause a oops for > me, Ok, I found the cause of the oops. Some of radio tuner code was expecting a struct bttv_fh to be allocated but this wasn't done in radio_open. So it would dereference an invalid data structure, causing a hang for me and an oops for Bongani. I also had to add support for the radio tuner to some shared functions. Patches to follow. Robert From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mx3.redhat.com (mx3.redhat.com [172.16.48.32]) by int-mx1.corp.redhat.com (8.13.1/8.13.1) with ESMTP id m1R1hQ0Y007323 for ; Tue, 26 Feb 2008 20:43:26 -0500 Received: from igraine.blacknight.ie (igraine.blacknight.ie [81.17.252.25]) by mx3.redhat.com (8.13.8/8.13.8) with ESMTP id m1R1gmBw017895 for ; Tue, 26 Feb 2008 20:42:49 -0500 Date: Wed, 27 Feb 2008 01:42:38 +0000 From: Robert Fitzsimons To: Mauro Carvalho Chehab Message-ID: <20080227014238.GA2685@localhost> References: <200802171036.19619.bonganilinux@mweb.co.za> <20080218131125.2857f7c7@gaivota> <200802182320.40732.bonganilinux@mweb.co.za> <200802190121.36280.bonganilinux@mweb.co.za> <20080219111640.409870a9@gaivota> <20080226154102.GD30463@localhost> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20080226154102.GD30463@localhost> Cc: video4linux-list@redhat.com, linux-kernel@vger.kernel.org, Bongani Hlope Subject: Re: 2.6.25-rc[12] Video4Linux Bttv Regression List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: video4linux-list-bounces@redhat.com Errors-To: video4linux-list-bounces@redhat.com List-ID: > I think I might have seen this problem but it didn't cause a oops for > me, Ok, I found the cause of the oops. Some of radio tuner code was expecting a struct bttv_fh to be allocated but this wasn't done in radio_open. So it would dereference an invalid data structure, causing a hang for me and an oops for Bongani. I also had to add support for the radio tuner to some shared functions. Patches to follow. Robert -- video4linux-list mailing list Unsubscribe mailto:video4linux-list-request@redhat.com?subject=unsubscribe https://www.redhat.com/mailman/listinfo/video4linux-list