From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262193AbUCaRip (ORCPT ); Wed, 31 Mar 2004 12:38:45 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262236AbUCaRip (ORCPT ); Wed, 31 Mar 2004 12:38:45 -0500 Received: from [63.107.13.101] ([63.107.13.101]:24230 "EHLO mail.metavize.com") by vger.kernel.org with ESMTP id S262193AbUCaRio (ORCPT ); Wed, 31 Mar 2004 12:38:44 -0500 Message-ID: <406B0219.3000309@metavize.com> Date: Wed, 31 Mar 2004 09:38:33 -0800 From: Dirk Morris User-Agent: Mozilla Thunderbird 0.5 (X11/20040306) X-Accept-Language: en-us, en MIME-Version: 1.0 To: Jamie Lokier CC: Rusty Russell , akpm@osdl.org, linux-kernel@vger.kernel.org Subject: Re: [2.6.2] Badness in futex_wait revisited References: <40311703.8070309@metavize.com> <20040217051911.6AC112C066@lists.samba.org> <20040331165656.GG19280@mail.shareable.org> In-Reply-To: <20040331165656.GG19280@mail.shareable.org> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org No, I still get them in 2.6.4 To my knowledge, they only happen when one thread is blocked in a system call and another thread makes a system("foo bar") call. The blocked thread will return with EINTR. I see this usually in sem_wait, but also in epoll_wait sometimes. Is it possible system() is causing the wrong process to get woken up? Let me know if you need any further information, I can reproduce it consistently. Jamie Lokier wrote: >Was the badness in futex_wait problem ever resolved? > >-- Jamie > >