From owner-freebsd-current@FreeBSD.ORG Thu Jun 14 12:52:54 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 A9CAE16A41F for ; Thu, 14 Jun 2007 12:52:54 +0000 (UTC) (envelope-from mime@traveller.cz) Received: from nxm.secservers.com (nxm.secservers.com [89.185.226.22]) by mx1.freebsd.org (Postfix) with ESMTP id 40E9813C44C for ; Thu, 14 Jun 2007 12:52:54 +0000 (UTC) (envelope-from mime@traveller.cz) Received: from [127.0.0.1] (nxm.secservers.com. [89.185.226.22]) by nxm.secservers.com (8.13.4/8.13.8) with ESMTP id l5ECFfYi042956; Thu, 14 Jun 2007 14:15:41 +0200 (CEST) (envelope-from mime@traveller.cz) From: Michal Mertl To: gary.jennejohn@freenet.de In-Reply-To: <20070614131437.b6affce3.garyj@jennejohn.org> References: <20070614131437.b6affce3.garyj@jennejohn.org> Content-Type: text/plain; charset=ISO-8859-2 Date: Thu, 14 Jun 2007 14:15:41 +0200 Message-Id: <1181823341.28712.0.camel@genius.i.cz> Mime-Version: 1.0 X-Mailer: Evolution 2.10.2 FreeBSD GNOME Team Port Content-Transfer-Encoding: 8bit Cc: current@freebsd.org Subject: Re: Disappearing userland output with -current 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: Thu, 14 Jun 2007 12:52:54 -0000 Gary Jennejohn píše v čt 14. 06. 2007 v 13:14 +0200: > I'm observing a strange problem with a -current i386 box (with SMP) > built on Wed Jun 13 20:34:11 CEST 2007 after a cvsup and haven't seen > anyone else reporting it. > > The problem occurs whenever the output from the boot phase is garbled, > almost always because this output: > SMP: AP CPU #1 Launched! > messes up this output (or similar): > cd0: cd present [2222160 x 2048 byte records] > > The symptom is that _all_ userland output disappears, which makes it > rather difficult to do anything. I'm forced to reboot the box until > the boot output isn't trashed. > > If I break into ddb then all the output becomes visible, but leaving > ddb then results in no userland output appearing again. > > I noticed this problem for the very first time after gcc42 was imported. > In all the years I've been using FreeBSD (since 1993) I've never seen > any behavior like this before. This leads me to strongly suspect some > fallout from gcc42. > > Has anyone else seen this? > > --- > Gary Jennejohn / garyjATjennejohnDOTorg gjATfreebsdDOTorg > garyjATdenxDOTde > Just a "me too" on amd64 SMP.