From owner-freebsd-current@FreeBSD.ORG Fri Jan 9 13:18:57 2009 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id ABD4F1065672; Fri, 9 Jan 2009 13:18:57 +0000 (UTC) (envelope-from yanefbsd@gmail.com) Received: from ug-out-1314.google.com (ug-out-1314.google.com [66.249.92.174]) by mx1.freebsd.org (Postfix) with ESMTP id 13CB28FC19; Fri, 9 Jan 2009 13:18:56 +0000 (UTC) (envelope-from yanefbsd@gmail.com) Received: by ug-out-1314.google.com with SMTP id 30so27319ugs.39 for ; Fri, 09 Jan 2009 05:18:56 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:message-id:date:from:to :subject:cc:in-reply-to:mime-version:content-type :content-transfer-encoding:content-disposition:references; bh=0O+GaEEQiwf4ePeNdXqW85iGn3C6kvMmK2vYfpJDOlo=; b=r/E5CyMnkMH88CyASZADFERBRnNVZ567I2RMwgpWHCdWToFIRpdkjBi9xmLd3m8rwN IE1v0VosC5oOqLM97jgw9Ss2mS9E8DhXCRLHusPeFvwcRw3YfrKiwayxBgUaM2JA377s lU/4EeuOpN5K8iMzfZtBwgBU7Zq5ZnBlSxdbM= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:to:subject:cc:in-reply-to:mime-version :content-type:content-transfer-encoding:content-disposition :references; b=gOUK6QTfsClOJ1zVvVcPU4atPivh5AMMLhmb442WN/U8Io/qfYGk7ClZr5eFQIkBr7 IoAG/HIsF7eNGcizqrHT4vSnTuQcUMs8JkZNm5BZJEmBJ+UAEnOk0Hkq38X6dJsv7e3A U6JcSaRWV1MriolpM0D9F5r/n294F48zLD4/A= Received: by 10.67.98.15 with SMTP id a15mr15008552ugm.86.1231507136739; Fri, 09 Jan 2009 05:18:56 -0800 (PST) Received: by 10.67.88.9 with HTTP; Fri, 9 Jan 2009 05:18:56 -0800 (PST) Message-ID: <7d6fde3d0901090518j26dccc51v3f7be8e46ce0af77@mail.gmail.com> Date: Fri, 9 Jan 2009 05:18:56 -0800 From: "Garrett Cooper" To: "Doug Barton" In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <7d6fde3d0901072349i50d04d2ch34f308388c9fd414@mail.gmail.com> Cc: FreeBSD Current Subject: Re: X becomes unresponsive with nvidia / xscreensaver and desktop panics 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: Fri, 09 Jan 2009 13:18:57 -0000 On Fri, Jan 9, 2009 at 1:37 AM, Doug Barton wrote: > On Wed, 7 Jan 2009, Garrett Cooper wrote: > >> Hello folks, >> As many probably know, I recently installed FreeBSD 8-CURRENT on my >> desktop. > > Why would we know that? I mean good for you, but seriously ... :) > >> One of the things I'm noting is that when I use dual displays with >> the nvidia driver, and xscreensaver kicks in and keeps going for a >> period of time, the machine's X.org console eats up a core, and when I >> try and do anything like gdb Xorg, the system hangs, attempts to panic >> (I assume that's the case because I hear it beep and attempt to >> restart), then I have to give it a warm boot. truss(1)'ing Xorg showed >> that there were a lot of SIGALARM's being fired and masked. > > No solutions, but a few general comments. First, I know that the author of > xscreensaver has put a lot of work into dual head stuff, and also that it > creates a lot of problems, so you're not alone here. If you get any > conclusive evidence that xscreensaver is at fault you should contact him at > http://www.jwz.org/xscreensaver/bugs.html > > A few things you can try to narrow it down .... first try turning off the > xscreensaver daemon and just run one of the screensaver programs full screen > for a while to see if that causes the crash. It's also worth testing GL vs. > non-GL screensavers. I had a problem with GL stuff for a while that was > fixed by an nvidia driver update a few versions ago. > > You should probably also try running with just the nv driver and see if that > causes the same crash. > > Finally, you might try setting debug.debugger_on_panic=0 in /etc/sysctl.conf > if you don't have it already. That will cause panics to go directly to > dumping which is useful if you're in X. > > > hth, > > Doug Thanks for the tips Doug -- I'll give them a shot of course... -Garrett