From owner-freebsd-hackers Fri Apr 7 12:21:44 2000 Delivered-To: freebsd-hackers@freebsd.org Received: from obie.softweyr.com (obie.softweyr.com [204.68.178.33]) by hub.freebsd.org (Postfix) with ESMTP id E2D1737B557 for ; Fri, 7 Apr 2000 12:21:32 -0700 (PDT) (envelope-from wes@softweyr.com) Received: from softweyr.com (Foolstrustidentd@obie.softweyr.com [204.68.178.33]) by obie.softweyr.com (8.8.8/8.8.8) with ESMTP id NAA24026; Fri, 7 Apr 2000 13:21:15 -0600 (MDT) (envelope-from wes@softweyr.com) Message-ID: <38EE3546.3401C084@softweyr.com> Date: Fri, 07 Apr 2000 13:21:42 -0600 From: Wes Peters Organization: Softweyr LLC X-Mailer: Mozilla 4.7 [en] (X11; U; FreeBSD 3.3-RELEASE i386) X-Accept-Language: en MIME-Version: 1.0 To: Gustavo V G C Rios Cc: Alfred Perlstein , freebsd-hackers@FreeBSD.ORG Subject: Re: Is traditional unixes kernel really stable ? References: <38ED128C.22C3AA28@tdnet.com.br> <20000406192206.N22104@fw.wintelcom.net> <38ED233E.74716D02@tdnet.com.br> <20000406230234.B4381@fw.wintelcom.net> <38EDD209.421EF9B0@tdnet.com.br> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG Gustavo V G C Rios wrote: > > Alfred Perlstein wrote: > > > > Some archs (such as i386) allow the OS to set page protections and > > io permission bitmaps that effectively can pretect against problems > > with drivers touching incorrect IO ranges, however... > > > > > > > > Worse yet: What about hardware buggy devices? > > > This could case the entiry system to crash, isn't it ? > > > > Yes, incorrectly programmed hardware either by firmware (on > > chip/board) or by drivers can cause crashes and hardware damage. > > > > That's the point! > Why not a different approach ? > Why not starting a microkernel arch? The microkernel would basically do > just feel tasks, like: Great idea, but that's not what FreeBSD is about. I suggest heading for your favorite search engine and looking up "Flux OS" and "Spring OS". -- "Where am I, and what am I doing in this handbasket?" Wes Peters Softweyr LLC wes@softweyr.com http://softweyr.com/ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message