From owner-freebsd-current@FreeBSD.ORG Tue Jul 27 10:23:33 2010 Return-Path: Delivered-To: freebsd-current@FreeBSD.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 5BCC51065673 for ; Tue, 27 Jul 2010 10:23:33 +0000 (UTC) (envelope-from gavin@FreeBSD.org) Received: from mail-gw0.york.ac.uk (mail-gw0.york.ac.uk [144.32.128.245]) by mx1.freebsd.org (Postfix) with ESMTP id E79CA8FC16 for ; Tue, 27 Jul 2010 10:23:32 +0000 (UTC) Received: from mail-gw6.york.ac.uk (mail-gw6.york.ac.uk [144.32.129.26]) by mail-gw0.york.ac.uk (8.13.6/8.13.6) with ESMTP id o6RANQ1p001885; Tue, 27 Jul 2010 11:23:26 +0100 (BST) Received: from buffy-128.york.ac.uk ([144.32.128.160] helo=buffy.york.ac.uk) by mail-gw6.york.ac.uk with esmtps (TLSv1:AES256-SHA:256) (Exim 4.68) (envelope-from ) id 1OdhJl-0007Sh-V0; Tue, 27 Jul 2010 11:23:25 +0100 Received: from buffy.york.ac.uk (localhost [127.0.0.1]) by buffy.york.ac.uk (8.14.4/8.14.4) with ESMTP id o6RANPdY079081; Tue, 27 Jul 2010 11:23:25 +0100 (BST) (envelope-from gavin@FreeBSD.org) Received: (from ga9@localhost) by buffy.york.ac.uk (8.14.4/8.14.4/Submit) id o6RANPVc079080; Tue, 27 Jul 2010 11:23:25 +0100 (BST) (envelope-from gavin@FreeBSD.org) X-Authentication-Warning: buffy.york.ac.uk: ga9 set sender to gavin@FreeBSD.org using -f From: Gavin Atkinson To: Anton Shterenlikht In-Reply-To: <20100726132451.GA18443@mech-cluster241.men.bris.ac.uk> References: <20100726132451.GA18443@mech-cluster241.men.bris.ac.uk> Content-Type: text/plain; charset="ASCII" Content-Transfer-Encoding: quoted-printable Date: Tue, 27 Jul 2010 11:23:24 +0100 Message-ID: <1280226205.78791.0.camel@buffy.york.ac.uk> Mime-Version: 1.0 X-Mailer: Evolution 2.28.1 FreeBSD GNOME Team Port X-York-MailScanner: Found to be clean X-York-MailScanner-From: gavin@freebsd.org Cc: freebsd-current@FreeBSD.org Subject: Re: amd64 panic snd_hda - hdac_get_capabilities: Invalid corb size (0) X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 27 Jul 2010 10:23:33 -0000 On Mon, 2010-07-26 at 14:24 +0100, Anton Shterenlikht wrote: > On amd64 r210496 I get this panic when booting a kernel > with snd_hda(4). I haven't used this driver before, so > can't say if this is a regression. >=20 > (copied by hand) >=20 > hdac0: irq 16 at device 20.= 2 on pci0 > hdac0: HDA Driver Revision: 20100226_0142 > hdac0: [ITHREAD] > hdac0: hdac_get_capabilities: Invalid corb size (0) > device_attach: hdac0 attach returned 6 > Slab at 0xffffff000261eb18, freei 3 =3D 0 > panic: Duplicate free of item 0xffffff0002661c00 from zone 0xffffff00b7f9= a500(1024) >=20 > cpuid =3D 0 > KDB: enter: panic > [ thread pid 0 tid 100000 ] > Stopped at kdb_enter+0x3d: movq $0,0x74f360(%rip) > db>bt >=20 > (very long output.. ending in) Can you give us this output please? At least the "panic()" line and the next six or so lines? Thanks, Gavin --=20 Gavin Atkinson FreeBSD committer and bugmeister