From owner-freebsd-current@FreeBSD.ORG Thu Jun 14 13:20:05 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 7FF0616A468 for ; Thu, 14 Jun 2007 13:20:05 +0000 (UTC) (envelope-from freebsd@gm.nunu.org) Received: from py-out-1112.google.com (py-out-1112.google.com [64.233.166.177]) by mx1.freebsd.org (Postfix) with ESMTP id 2713413C45A for ; Thu, 14 Jun 2007 13:20:04 +0000 (UTC) (envelope-from freebsd@gm.nunu.org) Received: by py-out-1112.google.com with SMTP id a29so964337pyi for ; Thu, 14 Jun 2007 06:20:04 -0700 (PDT) Received: by 10.35.70.2 with SMTP id x2mr3174050pyk.1181827203592; Thu, 14 Jun 2007 06:20:03 -0700 (PDT) Received: by 10.35.71.8 with HTTP; Thu, 14 Jun 2007 06:20:03 -0700 (PDT) Message-ID: <626eb4530706140620q248e0798l705e3564dec6ba7a@mail.gmail.com> Date: Thu, 14 Jun 2007 22:20:03 +0900 From: "Hidetoshi Shimokawa" Sender: freebsd@gm.nunu.org To: gary.jennejohn@freenet.de In-Reply-To: <20070614131437.b6affce3.garyj@jennejohn.org> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <20070614131437.b6affce3.garyj@jennejohn.org> X-Google-Sender-Auth: 5b0e4c50e33efc01 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 13:20:05 -0000 Could you show me the output of conscontrol(8)? On 6/14/07, Gary Jennejohn wrote: > 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 > _______________________________________________ > freebsd-current@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-current > To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.org" > -- /\ Hidetoshi Shimokawa \/ simokawa@FreeBSD.ORG