From owner-freebsd-current@FreeBSD.ORG Tue Jul 17 22:22:47 2007 Return-Path: X-Original-To: current@freebsd.org Delivered-To: freebsd-current@FreeBSD.ORG Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 77E5D16A403 for ; Tue, 17 Jul 2007 22:22:47 +0000 (UTC) (envelope-from asmrookie@gmail.com) Received: from wr-out-0506.google.com (wr-out-0506.google.com [64.233.184.224]) by mx1.freebsd.org (Postfix) with ESMTP id 3477513C4A3 for ; Tue, 17 Jul 2007 22:22:46 +0000 (UTC) (envelope-from asmrookie@gmail.com) Received: by wr-out-0506.google.com with SMTP id i23so937996wra for ; Tue, 17 Jul 2007 15:22:46 -0700 (PDT) DKIM-Signature: a=rsa-sha1; c=relaxed/relaxed; d=gmail.com; s=beta; h=domainkey-signature:received:received:message-id:date:from:sender:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references:x-google-sender-auth; b=PEcAo6TMZTgHcxZRICsL07n7tcJEh4u0IoJIT/lvLVazGRP8WnM+Wijdiwts+wdsF628NJmMNMxv8WRd/C9Aa2iNaKdXgl2ae4iKINPHYqJ/8qMVpGrPJwFN/XR2IP2KKRqbEiblLT4ZuJ36tAy6qMZu0HaTtj6ClgtZPrZOiFU= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=beta; h=received:message-id:date:from:sender:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references:x-google-sender-auth; b=n3lbVxd5mtH83fxcBiVMfttCURFN1cIknRzAe4DTAttetOrz27Bqxso4y0A+1iknGQsnAnz7e9p/Z/FNiQ1Gd7cZcfXG2XKKhwBVhxCoYHG9G5RMiADAuql/n+yUk6FD8rMFGzcruMnvQaDzGW25XyyVm00sa+X2KgCCE7Vnlek= Received: by 10.78.149.15 with SMTP id w15mr255307hud.1184710965098; Tue, 17 Jul 2007 15:22:45 -0700 (PDT) Received: by 10.78.120.9 with HTTP; Tue, 17 Jul 2007 15:22:45 -0700 (PDT) Message-ID: <3bbf2fe10707171522i3ddd07d0x543803f18892db27@mail.gmail.com> Date: Wed, 18 Jul 2007 00:22:45 +0200 From: "Attilio Rao" Sender: asmrookie@gmail.com To: "Roman Divacky" In-Reply-To: <20070717221327.GA60004@freebsd.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <20070716233030.D92541@10.0.0.1> <469D2688.7070000@kuehlbox.de> <20070717221327.GA60004@freebsd.org> X-Google-Sender-Auth: 162b1a700836f279 Cc: Jeff Roberson , current@freebsd.org, Teufel Subject: Re: ULE/SCHED_SMP diff for 7.0 - panic on x86 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: Tue, 17 Jul 2007 22:22:47 -0000 2007/7/18, Roman Divacky : > On Tue, Jul 17, 2007 at 10:28:56PM +0200, Teufel wrote: > > Hi, > > > > cvsuped kernel sources about 20 mins ago and applied Jeff's new ule patch. > > System boots normaly up, but starting qemu with kqemu (either user or > > user and kernel space) results immediatly in kernel trap 12 > > applying Attilio's patch > > http://people.freebsd.org/~attilio/kqemu.diff fixed the kernel trap, > > but hangs: > > > > spin lock 0xc0bbf780 (shed lock 1) held by 0xc5114880 (tid 100003) too long > > panic: spin lock held too long > > cpuid = 0 > > this looks similar to what people are seeing on pointyhat building cluster. > > its definitely NOT related to kqemu desynced module/kernel. I have told attilio > about it. no response yet... After some speech it is sorted out Roman just confused and the bug he reported to me some weeks ago has nothing to do with this issue. I'm confident this is an ABI breakage due to KSE... Attilio -- Peace can only be achieved by understanding - A. Einstein