From owner-freebsd-current@FreeBSD.ORG Wed Jun 13 13:46:53 2012 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (unknown [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id E6C92106566C for ; Wed, 13 Jun 2012 13:46:52 +0000 (UTC) (envelope-from asmrookie@gmail.com) Received: from mail-lb0-f182.google.com (mail-lb0-f182.google.com [209.85.217.182]) by mx1.freebsd.org (Postfix) with ESMTP id 639EE8FC17 for ; Wed, 13 Jun 2012 13:46:52 +0000 (UTC) Received: by lbon10 with SMTP id n10so1555066lbo.13 for ; Wed, 13 Jun 2012 06:46:51 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:sender:in-reply-to:references:date :x-google-sender-auth:message-id:subject:from:to:cc:content-type; bh=imT3LkmY6uz0h5CJZfsMf1dNkHY1tzQB9PgrQiqWoxA=; b=JypAyXpmpnEWEG+1rrs5QbM4JIuWgzSHNt+MuR4zsou1Fdk7QVAbk5JsX/UbnPda4H WKIZSMbs1EsmMkOJ2d7VM8aW8KMzEHXX/PZFunaejq7WRDNsKintKcNYFg0F/lV6HntL Ur0EEcHLpuLE6LWLI8qz74EMWndMcLmy7zZgqgLlopGb6cywy4z44G6HUIdFeC+cnbKg LVOiFFlgevmjSaAWB7c/yoKTAmVSlBBsE3W5rFNc/84o+4eXUXKetyGfM/3NykWasHi/ G14cDtwmOwhvHquT3cMNYLQD+Ce3G7FQuAzbOpiB1nRG1sh1WFJyk1lnDgegAgrcJrAF 8SDg== MIME-Version: 1.0 Received: by 10.112.23.196 with SMTP id o4mr6361185lbf.49.1339595211002; Wed, 13 Jun 2012 06:46:51 -0700 (PDT) Sender: asmrookie@gmail.com Received: by 10.112.27.65 with HTTP; Wed, 13 Jun 2012 06:46:50 -0700 (PDT) In-Reply-To: References: Date: Wed, 13 Jun 2012 14:46:50 +0100 X-Google-Sender-Auth: P_3bUtu3Tm4U3ENGj26vOBqGSMY Message-ID: From: Attilio Rao To: Svatopluk Kraus Content-Type: text/plain; charset=UTF-8 Cc: freebsd-current@freebsd.org, Benjamin Kaduk Subject: Re: panic td->td_lock == NULL in scheduler(), csup'd 2011-02-19 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: Wed, 13 Jun 2012 13:46:53 -0000 2012/6/13, Svatopluk Kraus : > Hi, > > it looks similar to > http://lists.freebsd.org/pipermail/freebsd-current/2011-March/023829.html Yes, that is likely the problem. However, I would really love to workaround the pid allocation race in another way than PRS_NEW because this imposes an extra-constraint, undocumented, on iterations of processes in the system. If you want to work on a patch for that, you are welcome to do so. Attilio -- Peace can only be achieved by understanding - A. Einstein