From owner-freebsd-questions@FreeBSD.ORG Sun Feb 22 00:15:49 2015 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 0F3A5C43 for ; Sun, 22 Feb 2015 00:15:49 +0000 (UTC) Received: from mail-qc0-x231.google.com (mail-qc0-x231.google.com [IPv6:2607:f8b0:400d:c01::231]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id B6B3AC7C for ; Sun, 22 Feb 2015 00:15:48 +0000 (UTC) Received: by qcyl6 with SMTP id l6so6334389qcy.2 for ; Sat, 21 Feb 2015 16:15:47 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=message-id:date:from:user-agent:mime-version:to:subject:references :in-reply-to:content-type:content-transfer-encoding; bh=l1+6v98oQCw4TyvFYJJNn4qkzvB8XIt3rfzx3T42MA0=; b=Z/a+ge07tIJRWT0AkVw7PrwQvlMynfqxkM7Yqz8jCaEx4NiH43QtYAPBv0MGzD2j+e jDHICBx3ep4UpZdIFC+tPrSWNRdM+Pck/eOKjSa8MV9fL6GSwrKO/98JS+LUpXK/j81D wIDMD8jPQVxzsQUzOGML8Txzk34tgwHk5ErQAlE/M0ybYJIyf3ucnBpKJSPDCykDq6vM gr9qtqL1UplfW3uXzJV9LewLC0zfRmwHBkxhbG8g6dz7rUhqpx3O8LI8qBOVsLP0tKUT BNTNULgX6cjsD4rIx/Z8q8BITpZp+vOkcOjW9CVQ2MjFfZ2LwQDqpyM2X8ezuquvhd4l pg5g== X-Received: by 10.140.21.232 with SMTP id 95mr9729366qgl.29.1424564147901; Sat, 21 Feb 2015 16:15:47 -0800 (PST) Received: from localhost.localdomain ([209.181.150.218]) by mx.google.com with ESMTPSA id w21sm24724717qgd.15.2015.02.21.16.15.46 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sat, 21 Feb 2015 16:15:47 -0800 (PST) Message-ID: <54E91FA7.2030900@gmail.com> Date: Sat, 21 Feb 2015 17:15:35 -0700 From: jd1008 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.4.0 MIME-Version: 1.0 To: freebsd-questions@freebsd.org Subject: Re: why would I get a segmentation fault on one system but not the other? References: <20150221224006.GA5501@home.parts-unknown.org> <09da5ec0816e098badc49432c802dc18@sdf.org> <390c4c0547fc27e91d28872d29aa2e04@sdf.org> In-Reply-To: <390c4c0547fc27e91d28872d29aa2e04@sdf.org> Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 22 Feb 2015 00:15:49 -0000 On 02/21/2015 04:03 PM, cpet wrote: > On 2015-02-21 17:01, cpet wrote: >> On 2015-02-21 16:40, David Benfell wrote: >>> Hi all, >>> >>> I am running into a segmentation fault that I don't know how to track >>> down. It appears on one system but not the other. It seems to afflict >>> both apache24 and php-fpm. >>> >>> apache logs lots of segementation faults but I don't have any idea >>> where they're coming from. >>> >>> When I try to start php-fpm it dies instantly with a segmentation >>> fault. I think it's one of the modules, but I don't know which one. >>> >>> And I'm absolutely baffled that this occurs on one system and not the >>> other. Both are fairly recent FreeBSD Stable. >>> >>> I do not see the segmentation faults (or at least not in such a dire >>> way) on: >>> >>> 10.1-STABLE >>> FreeBSD home.parts-unknown.org 10.1-STABLE FreeBSD 10.1-STABLE #0 >>> r278923: Tue Feb 17 15:27:20 PST 2015 >>> root@home.parts-unknown.org:/usr/obj/usr/src/sys/GENERIC amd64 >>> >>> I do see them on: >>> >>> 10.1-STABLE >>> FreeBSD vegan.parts-unknown.org 10.1-STABLE FreeBSD 10.1-STABLE #0 >>> r278934: Wed Feb 18 09:11:24 UTC 2015 >>> root@home.parts-unknown.org:/usr/obj/usr/src/sys/GENERIC amd64 >> >> You have 2 systems one running a different svn rev than the other, >> first I would suggest before suggesting bad ram is to sync both to be >> equal, meaning the one that is failing to either upgrade or downgrade >> it. if it's seg faulting I would mem test that and replace failing >> module. >> Any kernel crashes on the system where apache is segfaulting?