From owner-freebsd-current@FreeBSD.ORG Wed Jun 30 18:19:51 2004 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 4E01F16A4D2 for ; Wed, 30 Jun 2004 18:19:51 +0000 (GMT) Received: from mail4.speakeasy.net (mail4.speakeasy.net [216.254.0.204]) by mx1.FreeBSD.org (Postfix) with ESMTP id E1E7743D45 for ; Wed, 30 Jun 2004 18:19:50 +0000 (GMT) (envelope-from jhb@FreeBSD.org) Received: (qmail 23102 invoked from network); 30 Jun 2004 18:19:26 -0000 Received: from dsl027-160-063.atl1.dsl.speakeasy.net (HELO server.baldwin.cx) ([216.27.160.63]) (envelope-sender ) encrypted SMTP for ; 30 Jun 2004 18:19:25 -0000 Received: from 131.106.56.214 (p58.n-nypop02.stsn.com [199.106.89.58]) by server.baldwin.cx (8.12.11/8.12.11) with ESMTP id i5UHhiR6019214; Wed, 30 Jun 2004 13:43:50 -0400 (EDT) (envelope-from jhb@FreeBSD.org) From: John Baldwin To: freebsd-current@FreeBSD.org Date: Wed, 30 Jun 2004 13:41:59 -0400 User-Agent: KMail/1.6 References: <20040630082046.F809@alpha.siliconlandmark.com> In-Reply-To: <20040630082046.F809@alpha.siliconlandmark.com> MIME-Version: 1.0 Content-Disposition: inline Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Message-Id: <200406301341.59457.jhb@FreeBSD.org> X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on server.baldwin.cx cc: anholt@FreeBSD.org cc: current@FreeBSD.org Subject: Re: Sleeping on "itrmh" with the following non-sleepable locks held: X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.1 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: Wed, 30 Jun 2004 18:19:51 -0000 On Wednesday 30 June 2004 08:36 am, Andre Guibert de Bruet wrote: > Hello, > > I managed to get the following printed on a serial console while shutting > down XFree86 today: > > Sleeping on "itrmh" with the following non-sleepable locks held: > exclusive sleep mutex drm device r = 0 (0x6505f464) locked @ > dev/drm/drm_irq.h:192 > Stack backtrace: > backtrace(607dd224,b00c894c,1,6599e6e0,65945d20) at 0x60564407 > witness_warn(5,64faf380,60735d8f,60732f57,15a) at 0x605893f3 > msleep(65777b40,64faf380,a0,60732f57,0) at 0x6056b98a > ithread_remove_handler(65777b40,b00c89bc,606e4ad1,65777b40,b00c89e4) at > 0x6054d695 > > I had DRM_DEBUG turned on and a console actively logging at the time, so I > was able to produce a full trace with the DRM_DEBUG messages before and > after. I have attached the file to this email. > > My kernel is fairly stock, with amr, nge, smp and DRM_DEBUG enabled. I can > make my config file available as well as the full hardware specifications > for the machine that this was found on. Google turned up something similar > from last December, involving the same line of code, but it was a LOR. > That report can be found here: > http://lists.freebsd.org/pipermail/freebsd-current/2003-December/015540.htm >l > > Any ideas? > Andy > > > Andre Guibert de Bruet | Enterprise Software Consultant > > > Silicon Landmark, LLC. | http://siliconlandmark.com/ > Can you please file a PR with this and send me the number so I can assign it to the DRM guy. -- John Baldwin <>< http://www.FreeBSD.org/~jhb/ "Power Users Use the Power to Serve" = http://www.FreeBSD.org