From owner-freebsd-bugs@FreeBSD.ORG Sat Sep 24 13:50:03 2011 Return-Path: Delivered-To: freebsd-bugs@hub.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 576DB106564A for ; Sat, 24 Sep 2011 13:50:03 +0000 (UTC) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (freefall.freebsd.org [IPv6:2001:4f8:fff6::28]) by mx1.freebsd.org (Postfix) with ESMTP id 417F98FC0C for ; Sat, 24 Sep 2011 13:50:03 +0000 (UTC) Received: from freefall.freebsd.org (localhost [127.0.0.1]) by freefall.freebsd.org (8.14.4/8.14.4) with ESMTP id p8ODo33r004198 for ; Sat, 24 Sep 2011 13:50:03 GMT (envelope-from gnats@freefall.freebsd.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.14.4/8.14.4/Submit) id p8ODo3ib004197; Sat, 24 Sep 2011 13:50:03 GMT (envelope-from gnats) Date: Sat, 24 Sep 2011 13:50:03 GMT Message-Id: <201109241350.p8ODo3ib004197@freefall.freebsd.org> To: freebsd-bugs@FreeBSD.org From: Jonathan Calmels Cc: Subject: Re: misc/160964: Kernel panic with OSS [9.0-BETA2] X-BeenThere: freebsd-bugs@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: Jonathan Calmels List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 24 Sep 2011 13:50:03 -0000 The following reply was made to PR misc/160964; it has been noted by GNATS. From: Jonathan Calmels To: bug-followup@FreeBSD.org, jbjcalmels@gmail.com Cc: Subject: Re: misc/160964: Kernel panic with OSS [9.0-BETA2] Date: Sat, 24 Sep 2011 15:14:30 +0200 Thanks ! I found the problem :) As I mentioned above, I had tried with a kernel configuration (according to http://svn.freebsd.org/changeset/base/222980) which deactivated all intern sound drivers, resulting in the same panic error. However I forgot I had an USB headset plugged in. Therefore the kernel loaded implicitly sound drivers attached to this device (in particular sound.ko), before OSS starts. Unplug the USB headset solved the problem but one question remains :) how can I disable this behaviour so that OSS manage my headset as well ?