From owner-freebsd-hackers@FreeBSD.ORG Wed Nov 12 02:45:06 2003 Return-Path: Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 3A2FF16A4CE for ; Wed, 12 Nov 2003 02:45:06 -0800 (PST) Received: from c1-2-6.rz.ruhr-uni-bochum.de (c1-2-6.rz.ruhr-uni-bochum.de [134.147.32.86]) by mx1.FreeBSD.org (Postfix) with SMTP id BE03543FBF for ; Wed, 12 Nov 2003 02:45:03 -0800 (PST) (envelope-from gandalf@nm.ruhr-uni-bochum.de) Received: (qmail 23563 invoked by uid 82); 12 Nov 2003 10:45:02 -0000 Received: from gandalf@nm.ruhr-uni-bochum.de by c1-2-6.rz.ruhr-uni-bochum.de by uid 80 with qmail-scanner-1.16 (sophie: 2.17/3.75. Clear:. Processed in 0.026768 secs); 12 Nov 2003 10:45:02 -0000 Received: from sunu450.rz.ruhr-uni-bochum.de (134.147.32.69) by c1-2-6.rz.ruhr-uni-bochum.de with SMTP; 12 Nov 2003 10:45:02 -0000 Received: (qmail 1701 invoked from network); 12 Nov 2003 10:45:02 -0000 Received: from server.nm.ruhr-uni-bochum.de (HELO mailhost.nm.ruhr-uni-bochum.de) (134.147.252.40) by sunu450.rz.ruhr-uni-bochum.de with SMTP; 12 Nov 2003 10:45:02 -0000 Received: (qmail 93347 invoked by uid 101); 12 Nov 2003 10:45:00 -0000 Received: from pc-o.nm.ruhr-uni-bochum.de (134.147.252.55) by server.nm.ruhr-uni-bochum.de with SMTP; 12 Nov 2003 10:45:00 -0000 Received: from pc-o.nm.ruhr-uni-bochum.de (localhost [127.0.0.1]) hACAixXB000883; Wed, 12 Nov 2003 11:45:00 +0100 (CET) (envelope-from gandalf@pc-o.nm.ruhr-uni-bochum.de) Received: (from gandalf@localhost)hACAixru000877; Wed, 12 Nov 2003 11:44:59 +0100 (CET) Date: Wed, 12 Nov 2003 11:44:59 +0100 From: Andre Grosse Bley To: John Baldwin Message-ID: <20031112104458.GA94744@nm.ruhr-uni-bochum.de> References: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.4.1i cc: freebsd-hackers@FreeBSD.org Subject: Re: 4.9-RELEASE, ACPI and DELL Latitude D600 X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 12 Nov 2003 10:45:06 -0000 > > Ah, the problem is that ACPI tries to sleep from a task, which is not safe > > to do. This is not easy to fix. :( > > Actually, it may not be too hard. In current, ACPI uses its own thread > to run the tasks in, so stable would need the same sort of thing. > Basically, ACPI needs to start up a kproc and needs to have its own > taskqueue again that uses this kproc for its execution context. So - as I am not a experienced kernel hacker - there is no easy solution for me to 'fix' this panic? Should I open a PR? Greetings, Andre