From owner-freebsd-stable@FreeBSD.ORG Sun Jan 11 19:22:52 2009 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 78D56106570D for ; Sun, 11 Jan 2009 19:22:52 +0000 (UTC) (envelope-from yanefbsd@gmail.com) Received: from mail-bw0-f20.google.com (mail-bw0-f20.google.com [209.85.218.20]) by mx1.freebsd.org (Postfix) with ESMTP id C61DB8FC0C for ; Sun, 11 Jan 2009 19:22:51 +0000 (UTC) (envelope-from yanefbsd@gmail.com) Received: by bwz13 with SMTP id 13so5145885bwz.19 for ; Sun, 11 Jan 2009 11:22:50 -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=RBQLrdVzHU7y0C5D7LON6E9Q8IC3SGXjZwZ3Z0bSVxE=; b=cJtxn/SHAhz6dMK2gBzRaCrwY+guJSrPySdX+nGlq85EleWJaRYASJytexhX6JjNN5 1EK5lLMSMZ5fysk11pylqwCqgWhBESD3mlnX5HR+xS09uvZXrDdSoZLOzER6uF5xkZKh qHNIDizXWK7NjkR0oQ1ai9/UfWqvZm2HHnbMY= 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=ML5FmBP02YUvwAyxrbS6yiA9w/9YhnSSTYdJki1qIdnZdpDjB3e9WL5tM7PE9SCk38 OdmhmRvHgNloj42pjEHN3x+a2rs89y79miaqjWFEfNJTzw4hWUzS9EPGwx8wrnW86GZl 2FfccKju4zVr3xo5p0CZggwh2sliE3GhhY+lM= Received: by 10.181.33.8 with SMTP id l8mr10662241bkj.155.1231701770633; Sun, 11 Jan 2009 11:22:50 -0800 (PST) Received: by 10.181.26.3 with HTTP; Sun, 11 Jan 2009 11:22:50 -0800 (PST) Message-ID: <7d6fde3d0901111122v3813fe3ehf75de6a2a7e66203@mail.gmail.com> Date: Sun, 11 Jan 2009 11:22:50 -0800 From: "Garrett Cooper" To: "Pete French" In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline References: Cc: freebsd-stable@freebsd.org, drosih@rpi.edu, heliocentric@gmail.com, rblayzor.bulk@inoc.net Subject: Re: Big problems with 7.1 locking up :-( X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 11 Jan 2009 19:22:53 -0000 On Sun, Jan 11, 2009 at 4:45 AM, Pete French wrote: >> I noticed a similar problem testing 7.1-RC1, It seemed to be a deep >> deadlock, as it was triggered by lighttpd doing kern_sendfile, and >> never returning. The side effects (being unable to create processes, >> etc) is similar. > > Interesting - did you get any responses from anyone else regarding > this ? My last box which locked up was essentialy idle, so I am very > surprised by all of this - also none of the heavilt loaded machines > (i.e. the actual webservers) have locked up. > > I am also surprised that this isn't more widely reported, as > the hardware is very common. The only oddity with ym compile > is that I set the CPUTYPE to 'core2' - that shouldnt have an effect, but > I will remove it anyway, just so I am actually building a completely > vanilla amd64. That way I should have what everyone else has, and since > I don't see anyone else saying they have isues then maybe mine will > go away too (fingers crossed) > >> My kernconf is below, try building the kernel, and send an email >> containing the backtrace from any process that has blocked (in my > > OK, will do. I can try this on the one non-essential box which > locked up yesterday. I don't know how long it will before it > locks up again, but will see if I can do some things to provoke it. > > -pete. Intel suggests nocona for x86_64 platforms and prescott for x86 (i386) based platforms on the 4.2 line, because they best matched the cache size and featureset of the Core2 processors. I don't think that core2 support was fully completed in 4.2 (in fact I believe it was just started), and I don't think that our binutils supports it properly. Some thoughts, -Garrett