Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261296AbVDDRLb (ORCPT ); Mon, 4 Apr 2005 13:11:31 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261294AbVDDRL3 (ORCPT ); Mon, 4 Apr 2005 13:11:29 -0400 Received: from smtpout17.mailhost.ntl.com ([212.250.162.17]:64692 "EHLO mta09-winn.mailhost.ntl.com") by vger.kernel.org with ESMTP id S261296AbVDDRIy (ORCPT ); Mon, 4 Apr 2005 13:08:54 -0400 Message-ID: <4251749B.5060603@gentoo.org> Date: Mon, 04 Apr 2005 18:08:43 +0100 From: Daniel Drake User-Agent: Mozilla Thunderbird 1.0.2 (X11/20050403) X-Accept-Language: en-us, en MIME-Version: 1.0 To: David Ford Cc: linux-kernel mailing list Subject: Re: ALSA bugs with 2.6.12-rc1 References: <42515358.7020101@blue-labs.org> In-Reply-To: <42515358.7020101@blue-labs.org> X-Enigmail-Version: 0.90.2.0 X-Enigmail-Supports: pgp-inline, pgp-mime Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 837 Lines: 22 David Ford wrote: > It seems that 2.6.12-rc1 introduced an ALSA bug generating an oops for a > null pointer. > > codec_semaphore: semaphore is not ready [0x1][0x300300] > codec_read 0: semaphore is not ready for register 0x2c > Unable to handle kernel NULL pointer dereference at virtual address > 00000000 > > This happens on multiple machines, 32b and 64bit. I'll be happy to > provide further information if needed. This only happens when you mismatch your kernel and alsa-lib versions, e.g. running alsa-lib-1.0.9-rc2 with alsa-1.0.8 in-kernel drivers, or possibly vice-versa. Daniel - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/