From owner-freebsd-current@FreeBSD.ORG Mon Jun 10 14:28:50 2013 Return-Path: Delivered-To: current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) by hub.freebsd.org (Postfix) with ESMTP id 02A38133 for ; Mon, 10 Jun 2013 14:28:50 +0000 (UTC) (envelope-from rysto32@gmail.com) Received: from mail-oa0-x236.google.com (mail-oa0-x236.google.com [IPv6:2607:f8b0:4003:c02::236]) by mx1.freebsd.org (Postfix) with ESMTP id C45DB1B94 for ; Mon, 10 Jun 2013 14:28:49 +0000 (UTC) Received: by mail-oa0-f54.google.com with SMTP id o17so5956324oag.41 for ; Mon, 10 Jun 2013 07:28:49 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=nxC/KkTX1Xe09XcXgvsjPScwNnzsCkhK2wFvmvhRkuA=; b=Mg18nLlUipk5nnDKGp/sDISJq7rVDjGYK6hRNyHeexPG6monexBGC1ifz+K11ErF4t fL4qG2FeWQ5nt1tWg7x7IBh+DdPNPk1IBjUrVv3JbbB+6u9svnMB5mjmKJ1ukaWLPAtd KRb1zmL+KBUIhToENUfNFJZo74/M7zGIUzOUt7rhHwSyqu05RN4txhnkTNEHiIB1idiU n3juQXPTsANeh4ylrb3+C9yXaVUIFcr/lFyRwjgOx3wbzQ5YsYIx0t7sAjkh3SX5S9y5 UQVFokd0nP5BpcD1Lsbj2LUGrTIk1RLm9O6/qJ9OzjTAC07daBunLVXimsIrTikN36ev UCvg== MIME-Version: 1.0 X-Received: by 10.60.147.162 with SMTP id tl2mr8121220oeb.10.1370874528987; Mon, 10 Jun 2013 07:28:48 -0700 (PDT) Received: by 10.76.91.163 with HTTP; Mon, 10 Jun 2013 07:28:48 -0700 (PDT) In-Reply-To: <51B5E040.2030709@peterschmitt.fr> References: <51B5E040.2030709@peterschmitt.fr> Date: Mon, 10 Jun 2013 10:28:48 -0400 Message-ID: Subject: Re: Handle kernel module crashes From: Ryan Stone To: Florent Peterschmitt Content-Type: text/plain; charset=ISO-8859-1 X-Content-Filtered-By: Mailman/MimeDel 2.1.14 Cc: FreeBSD Current X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.14 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: Mon, 10 Jun 2013 14:28:50 -0000 On Mon, Jun 10, 2013 at 10:18 AM, Florent Peterschmitt < florent@peterschmitt.fr> wrote: > Hello, > > It's not a problem but a question, and it's quite simple: > > How does FreeBSD handle crash from a single kernel module ? > > If the module internally crashes, does the entire system does too or > FreeBSD will continue to live ? > > Thanks > There is no separation between kernel modules and the kernel proper. A crash in a kernel module will crash the entire system.