From owner-freebsd-bugs Sun May 16 13:30: 4 1999 Delivered-To: freebsd-bugs@freebsd.org Received: from freefall.freebsd.org (freefall.FreeBSD.ORG [204.216.27.21]) by hub.freebsd.org (Postfix) with ESMTP id 4262815004 for ; Sun, 16 May 1999 13:30:02 -0700 (PDT) (envelope-from gnats@FreeBSD.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.9.3/8.9.2) id NAA87402; Sun, 16 May 1999 13:30:02 -0700 (PDT) (envelope-from gnats@FreeBSD.org) Received: by hub.freebsd.org (Postfix, from userid 32767) id 6BF4414C24; Sun, 16 May 1999 13:23:48 -0700 (PDT) Message-Id: <19990516202348.6BF4414C24@hub.freebsd.org> Date: Sun, 16 May 1999 13:23:48 -0700 (PDT) From: dwhite@resnet.uoregon.edu To: freebsd-gnats-submit@freebsd.org X-Send-Pr-Version: www-1.0 Subject: kern/11737: MFS panics on mount in checkalias() Sender: owner-freebsd-bugs@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org >Number: 11737 >Category: kern >Synopsis: MFS panics on mount in checkalias() >Confidential: no >Severity: critical >Priority: high >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Sun May 16 13:30:01 PDT 1999 >Closed-Date: >Last-Modified: >Originator: Doug White >Release: 4.0-CURRENT >Organization: Pacific Crest Networks >Environment: Current sup'd as of 12:30AM May 16 1999 PDT >Description: System panics with at Trap 12 when attempting to mount a MFS filesystem. A DDB trace at the time of the panic is inside of checkalias(). >How-To-Repeat: Run mount -t mfs /dev/da0s1b /tmp on any -current system. >Fix: Luoqi Chen suggested changing NUMCDEV in src/sys/kern/kern_conf.c to 255. v1.39 of kern_conf.c has NUMCDEV at 256. Tested here and works fine. Apparently MFS uses CDEV 255 for it's own twisted purposes. >Release-Note: >Audit-Trail: >Unformatted: To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-bugs" in the body of the message