From owner-freebsd-current@FreeBSD.ORG Mon Dec 29 20:02:37 2014 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 7C237A0C for ; Mon, 29 Dec 2014 20:02:37 +0000 (UTC) Received: from mail.turbocat.net (heidi.turbocat.net [88.198.202.214]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 358A435AD for ; Mon, 29 Dec 2014 20:02:36 +0000 (UTC) Received: from laptop015.home.selasky.org (31.89-11-148.nextgentel.com [89.11.148.31]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.turbocat.net (Postfix) with ESMTPSA id 91AA41FE022; Mon, 29 Dec 2014 21:02:33 +0100 (CET) Message-ID: <54A1B383.1040902@selasky.org> Date: Mon, 29 Dec 2014 21:03:15 +0100 From: Hans Petter Selasky User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:31.0) Gecko/20100101 Thunderbird/31.3.0 MIME-Version: 1.0 To: Chris H , Warren Block Subject: Re: HEADS UP: Enabling vt(4) by default References: <544E7679.7070207@FreeBSD.org> <54590B3E.2070701@dumbbell.fr> , <20141105101951.48542120@ernst.home> , , , <545A96D1.9070600@selasky.org> <9c1df797dde6628b43661c0356d9103f@ultimatedns.net> In-Reply-To: <9c1df797dde6628b43661c0356d9103f@ultimatedns.net> Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit Cc: =?windows-1252?Q?Jean-S=E9bastienP=E9dron?= , freebsd-current@freebsd.org X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.18-1 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: Mon, 29 Dec 2014 20:02:37 -0000 Hi, FreeBSD 11-current: I had a panic, that VT tries to drain a callout while a mutex is locked rooting down from somewhere: vt_late_window_switch() When starting X11. Try to apply my kernel timeout work in progress patch in the new "[RFC] kern/kern_timeout.c rewrite in progress" thread and you will see right away. I can get full backtrace if you can't figure this out. Just out of time right now. Thank you! --HPS