Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1422708AbWJLPug (ORCPT ); Thu, 12 Oct 2006 11:50:36 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1422715AbWJLPug (ORCPT ); Thu, 12 Oct 2006 11:50:36 -0400 Received: from mustang.oldcity.dca.net ([216.158.38.3]:42685 "HELO mustang.oldcity.dca.net") by vger.kernel.org with SMTP id S1422708AbWJLPuf (ORCPT ); Thu, 12 Oct 2006 11:50:35 -0400 Subject: Re: Userspace process may be able to DoS kernel From: Lee Revell To: =?ISO-8859-1?Q?G=FCnther?= Starnberger Cc: linux-kernel@vger.kernel.org In-Reply-To: <474c7c2f0610110954y46b68a14q17b88a5e28ffe8d9@mail.gmail.com> References: <474c7c2f0610110954y46b68a14q17b88a5e28ffe8d9@mail.gmail.com> Content-Type: text/plain; charset=ISO-8859-1 Date: Thu, 12 Oct 2006 11:51:29 -0400 Message-Id: <1160668290.24931.31.camel@mindpipe> Mime-Version: 1.0 X-Mailer: Evolution 2.6.1 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 915 Lines: 20 On Wed, 2006-10-11 at 12:54 -0400, G?nther Starnberger wrote: > The lockup usually occurs when Skype 1.3.x for Linux (I'm using > 1.3.0.53) sits around idle for some time and then (presumably) uses > the sound device (i.e. for me it happens when I call a contact - > others reported this problem occurs for incoming messages [there may > be an audio notification of the messages enabled]). The lockup can > take from several seconds (where it is not detected by the kernel) up > to some minutes. The whole system seems to be blocked - i.e. there is > not even disk IO. Do you get the same behavior using the old OSS drivers that you get with ALSA's OSS emulation? Lee - 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/