From owner-freebsd-emulation@FreeBSD.ORG Wed Sep 23 18:41:39 2009 Return-Path: Delivered-To: freebsd-emulation@FreeBSD.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 0ADAA106566B for ; Wed, 23 Sep 2009 18:41:39 +0000 (UTC) (envelope-from scf@FreeBSD.org) Received: from mail.farley.org (mail.farley.org [IPv6:2001:470:1f0f:20:2::11]) by mx1.freebsd.org (Postfix) with ESMTP id C50408FC12 for ; Wed, 23 Sep 2009 18:41:38 +0000 (UTC) Received: from thor.farley.org (HPooka@thor.farley.org [IPv6:2001:470:1f0f:20:1::5]) by mail.farley.org (8.14.3/8.14.3) with ESMTP id n8NIfbTd039286; Wed, 23 Sep 2009 13:41:37 -0500 (CDT) (envelope-from scf@FreeBSD.org) Date: Wed, 23 Sep 2009 13:41:37 -0500 (CDT) From: "Sean C. Farley" To: Juergen Lock In-Reply-To: <200909231832.n8NIWNVw002447@triton8.kn-bremen.de> Message-ID: References: <200909231832.n8NIWNVw002447@triton8.kn-bremen.de> User-Agent: Alpine 2.00 (BSF 1167 2008-08-23) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed X-Spam-Status: No, score=-2.8 required=4.0 tests=AWL,BAYES_00,NO_RELAYS autolearn=ham version=3.2.5 X-Spam-Checker-Version: SpamAssassin 3.2.5 (2008-06-10) on mail.farley.org Cc: freebsd-emulation@FreeBSD.org Subject: Re: Panic with vboxnet drivers X-BeenThere: freebsd-emulation@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Development of Emulators of other operating systems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 23 Sep 2009 18:41:39 -0000 On Wed, 23 Sep 2009, Juergen Lock wrote: > In article you write: >> While I have had no trouble with two systems running with the tap >> patch, I am experiencing some lockups when using the vboxnet* >> drivers. >> >> I have five witness logs (attached): >> 1. The first one appeared when I tried to run VirtualBox with >> vboxnetadp loaded via loader.conf. VirtualBox will not be able to >> find the VirtualBox network drivers this way, so I unloaded and >> loaded vboxnetadp from the command line for the following logs. >> 2. The next three logs are LOR's (sleepable after non-sleepable) >> concerning VirtualBox's "IPRT Fast Mutex Semaphore" which is an >> sx. I am not sure I am reading the backtrace correctly. It looks >> like the call to RTSemFastMutexRequest(), which calls sx_xlock(), >> is the effect. I just do not know where the cause, i.e., >> RTSemFastMutexRequest(), is being called. >> 3. The last log is a LOR, but it may not be related to VirtualBox. >> [...] > > It seems the attachments got stripped... Oops. I think I forgot to attach them. :) Here they are now: http://people.freebsd.org/~scf/vb-witness.log Sean -- scf@FreeBSD.org