From owner-freebsd-current Wed Dec 10 17:30:16 1997 Return-Path: Received: (from root@localhost) by hub.freebsd.org (8.8.7/8.8.7) id RAA14823 for current-outgoing; Wed, 10 Dec 1997 17:30:16 -0800 (PST) (envelope-from owner-freebsd-current) Received: from Kitten.mcs.com (Kitten.mcs.com [192.160.127.90]) by hub.freebsd.org (8.8.7/8.8.7) with ESMTP id RAA14814 for ; Wed, 10 Dec 1997 17:30:09 -0800 (PST) (envelope-from karl@Mars.mcs.net) Received: from Mars.mcs.net (karl@Mars.mcs.net [192.160.127.85]) by Kitten.mcs.com (8.8.7/8.8.2) with ESMTP id TAA02838; Wed, 10 Dec 1997 19:30:01 -0600 (CST) Received: (from karl@localhost) by Mars.mcs.net (8.8.7/8.8.2) id TAA04411; Wed, 10 Dec 1997 19:30:00 -0600 (CST) Message-ID: <19971210193000.15751@mcs.net> Date: Wed, 10 Dec 1997 19:30:00 -0600 From: Karl Denninger To: Eivind Eklund Cc: Kevin Day , freebsd-current@FreeBSD.ORG Subject: Re: 971208 and the nfs rollback didn't fix it... References: <867m9c4zp5.fsf@bitbox.follo.net> <199712102218.QAA09186@home.dragondata.com> <19971210232302.35402@follo.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Mailer: Mutt 0.84 In-Reply-To: <19971210232302.35402@follo.net>; from Eivind Eklund on Wed, Dec 10, 1997 at 11:23:02PM +0100 Sender: owner-freebsd-current@FreeBSD.ORG X-Loop: FreeBSD.org Precedence: bulk On Wed, Dec 10, 1997 at 11:23:02PM +0100, Eivind Eklund wrote: > On Wed, Dec 10, 1997 at 04:18:50PM -0600, Kevin Day wrote: > > > Yes. Userland programs should NEVER be able to crash the kernel, > > > especially not running as users (instead of root). > > > > > > Now - more details :-) Do you get a kernel panic when it crash? > > > > 90% of the time, it's just a reboot., No crash, just jumps straight to the > > memory test. The other 10% it give a 'fault on nofault entry' panic. Bingo. Fault on nofault entry is the NFS client code problem. Roll back to 1.41 of nfs_bio.c (as I suggested before) and it should go away. -- -- Karl Denninger (karl@MCS.Net)| MCSNet - Serving Chicagoland and Wisconsin http://www.mcs.net/ | T1's from $600 monthly to FULL DS-3 Service | NEW! K56Flex support on ALL modems Voice: [+1 312 803-MCS1 x219]| EXCLUSIVE NEW FEATURE ON ALL PERSONAL ACCOUNTS Fax: [+1 312 803-4929] | *SPAMBLOCK* Technology now included at no cost