From nobody  Wed Feb  3 09:29:55 1999
Received: (from nobody@localhost)
          by hub.freebsd.org (8.8.8/8.8.8) id JAA15618;
          Wed, 3 Feb 1999 09:29:55 -0800 (PST)
          (envelope-from nobody)
Message-Id: <199902031729.JAA15618@hub.freebsd.org>
Date: Wed, 3 Feb 1999 09:29:55 -0800 (PST)
From: pb@ludd.luth.se
To: freebsd-gnats-submit@freebsd.org
Subject: FreeBSD crash totaly when "mount /dev/fd /mnt/fd" but don't freeze.
X-Send-Pr-Version: www-1.0

>Number:         9894
>Category:       kern
>Synopsis:       FreeBSD crash totaly when "mount /dev/fd /mnt/fd" but don't freeze.
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    freebsd-bugs
>State:          closed
>Quarter:        
>Keywords:       
>Date-Required:  
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Wed Feb  3 09:30:01 PST 1999
>Closed-Date:    Thu May 13 12:45:25 PDT 1999
>Last-Modified:  Thu May 13 12:46:25 PDT 1999
>Originator:     Peter Brevik
>Release:        FreeBSD hostname 2.2.7-RELEASE FreeBSD 2.2.7-RELEASE #0: Fri Dec 18 11:31:23 CET 1998
>Organization:
>Environment:
FreeBSD hostname 2.2.7-RELEASE FreeBSD 2.2.7-RELEASE #0: Fri Dec 18 11:31:23 CET 1998     brevik@tnoop0234.alcatel.no:/usr/src/sys/compile/SUPERDUPER  i386

>Description:
1) Start XFree86 (run commands from xterm)
2) Login as root
3) mkdirhier /mnt/fd   (I use that directory but, it don't exist from beginning)
4) 1.44 MB Floppy in 1.44 MB floppy discdrive (/dev/fd0)
5) Type:  mount /dev/fd/  /mnt/fd

The machine will now appear to freeze a few seconds before rebooting.

Syslog:
panic: ufs_lock: recursive lock not expected, pid: 17996

Cut from syslog startup:
CPU: Pentium II (quarter-micron) (348.49-MHz 686-class CPU)
  Origin = "GenuineIntel"  Id = 0x651  Stepping=1
  Features=0x183f9ff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,SEP,MTRR,PGE,MCA,CMOV,<b16>,<b17>,MMX,<b24>>
real memory  = 67108864 (65536K bytes)
avail memory = 63275008 (61792K bytes)
fdc0 at 0x3f0-0x3f7 irq 6 drq 2 on isa
fdc0: FIFO enabled, 8 bytes threshold
fd0: 1.44MB 3.5in

Machine:
Compaq Deskpro


>How-To-Repeat:
See "Full Description:"

>Fix:
Don't run that command ;-)

>Release-Note:
>Audit-Trail:
State-Changed-From-To: open->closed 
State-Changed-By: dt 
State-Changed-When: Thu May 13 12:45:25 PDT 1999 
State-Changed-Why:  
Duplicate of PR 1067, fixed by Tor Egge in a later release. 
>Unformatted:
