From owner-freebsd-hackers Wed Jan 3 04:26:47 1996 Return-Path: owner-hackers Received: (from root@localhost) by freefall.freebsd.org (8.7.3/8.7.3) id EAA03317 for hackers-outgoing; Wed, 3 Jan 1996 04:26:47 -0800 (PST) Received: from westhill.cdrom.com (westhill.cdrom.com [192.216.223.138]) by freefall.freebsd.org (8.7.3/8.7.3) with SMTP id EAA03310 for ; Wed, 3 Jan 1996 04:26:42 -0800 (PST) From: gpalmer@westhill.cdrom.com Received: from localhost.cdrom.com (localhost.cdrom.com [127.0.0.1]) by westhill.cdrom.com (8.6.12/8.6.12) with SMTP id EAA10193 ; Wed, 3 Jan 1996 04:26:23 -0800 X-Authentication-Warning: westhill.cdrom.com: Host localhost.cdrom.com didn't use HELO protocol To: davidg@Root.COM cc: dfr@render.com, hackers@freebsd.org Subject: Re: 2.1 panic: panic: nfsreq nogrps In-reply-to: Your message of "Tue, 02 Jan 1996 21:38:13 PST." <199601030538.VAA00222@corbin.Root.COM> Date: Wed, 03 Jan 1996 04:26:22 -0800 Message-ID: <10191.820671982@westhill.cdrom.com> Sender: owner-hackers@freebsd.org Precedence: bulk David Greenman wrote in message ID <199601030538.VAA00222@corbin.Root.COM>: > >in the origional mail), and I was just looking at the program which > >was running at the time, and it does nothing more complicated than > The setgroups() can happen at any time and doesn't in itself cause a panic. > The panic message "nfsreq nogrps" indicates that an I/O operation is being > attempted on behalf of a process that has no groups in it's group list. This > isn't a valid state as group[0] is always the effective gid. If the process > didn't get this way because of setgroups(), then it's happening somewhere > else in the kernel. I suppose one work-around kludge might be to substitute > the "nobody" group (-2) for processes that otherwise belong to no groups. Look likes we'll need to do that as with a freshly updated copy of the sources it just suffered the same panic again. Gary