From jerry@keel.my.domain  Tue Nov 18 11:41:53 1997
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Message-Id: <199711181941.NAA00505@keel.my.domain>
Date: Tue, 18 Nov 1997 13:41:41 -0600 (CST)
From: schieffe@netcom.com
Reply-To: schieffe@netcom.com
To: FreeBSD-gnats-submit@freebsd.org
Subject: System crash during mount command for CD ROM
X-Send-Pr-Version: 3.2

>Number:         5085
>Category:       kern
>Synopsis:       System crash during mount command for CD ROM
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    freebsd-bugs
>State:          closed
>Quarter:        
>Keywords:       
>Date-Required:  
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Tue Nov 18 11:50:01 PST 1997
>Closed-Date:    Wed May 30 01:43:13 PDT 2001
>Last-Modified:  Wed May 30 01:44:19 PDT 2001
>Originator:     Jerry K. Schieffer
>Release:        FreeBSD 2.2.5-RELEASE i386
>Organization:
Skyline Technology Group, Inc.
>Environment:
excerpt from /var/log/messages to show configuration
  Nov 18 12:50:34 keel /kernel: Copyright (c) 1992-1997 FreeBSD Inc.
  Nov 18 12:50:34 keel /kernel: Copyright (c) 1982, 1986, 1989, 1991, 1993
  Nov 18 12:50:34 keel /kernel: 	The Regents of the University of California.  All rights reserved.
  Nov 18 12:50:34 keel /kernel: 
  Nov 18 12:50:34 keel /kernel: FreeBSD 2.2.5-RELEASE #0: Tue Nov 18 11:49:26 CST 1997
  Nov 18 12:50:34 keel /kernel:     root@keel.my.domain:/usr/src/sys/compile/KEEL
  Nov 18 12:50:34 keel /kernel: CPU: Pentium (166.59-MHz 586-class CPU)
  Nov 18 12:50:34 keel /kernel:   Origin = "GenuineIntel"  Id = 0x543  Stepping=3
  Nov 18 12:50:34 keel /kernel:   Features=0x8001bf<FPU,VME,DE,PSE,TSC,MSR,MCE,CX8>
  Nov 18 12:50:34 keel /kernel: real memory  = 33554432 (32768K bytes)
  Nov 18 12:50:34 keel /kernel: avail memory = 30433280 (29720K bytes)
  Nov 18 12:50:34 keel /kernel: Probing for devices on PCI bus 0:
  Nov 18 12:50:34 keel /kernel: chip0 <Intel 82439> rev 3 on pci0:0
  Nov 18 12:50:34 keel /kernel: chip1 <Intel 82371SB PCI-ISA bridge> rev 1 on pci0:7:0
  Nov 18 12:50:34 keel /kernel: chip2 <Intel 82371SB IDE interface> rev 0 on pci0:7:1
  Nov 18 12:50:35 keel /kernel: vga0 <VGA-compatible display device> rev 6 int a irq 12 on pci0:11
  Nov 18 12:50:35 keel /kernel: ahc0 <Adaptec 2940A Ultra SCSI host adapter> rev 1 int a irq 11 on pci0:12
  Nov 18 12:50:35 keel /kernel: ahc0: aic7860 Single Channel, SCSI Id=7, 3 SCBs
  Nov 18 12:50:35 keel /kernel: ahc0 waiting for scsi devices to settle
  Nov 18 12:50:35 keel /kernel: (ahc0:0:0): "IBM DPES-31080 S31H" type 0 fixed SCSI 2
  Nov 18 12:50:35 keel /kernel: sd0(ahc0:0:0): Direct-Access 1034MB (2118144 512 byte sectors)
  Nov 18 12:50:35 keel /kernel: (ahc0:1:0): "QUANTUM FIREBALL_TM2110S 300X" type 0 fixed SCSI 2
  Nov 18 12:50:35 keel /kernel: sd1(ahc0:1:0): Direct-Access 2014MB (4124736 512 byte sectors)
  Nov 18 12:50:35 keel /kernel: (ahc0:4:0): "TOSHIBA CD-ROM XM-3501TA 3054" type 5 removable SCSI 2
  Nov 18 12:50:35 keel /kernel: cd2(ahc0:4:0): CD-ROM cd present [300204 x 2048 byte records]
  Nov 18 12:50:35 keel /kernel: (ahc0:5:0): "MEDIAVIS CDR-H93MV 1.32" type 5 removable SCSI 2
  Nov 18 12:50:35 keel /kernel: cd1(ahc0:5:0): CD-ROM can't get the size
  Nov 18 12:50:35 keel /kernel: (ahc0:6:0): "MEDIAVIS CDR-H93MV 1.32" type 5 removable SCSI 2
  Nov 18 12:50:35 keel /kernel: cd0(ahc0:6:0): CD-ROM cd present [400000 x 2048 byte records]
  Nov 18 12:50:35 keel /kernel: Probing for devices on the ISA bus:
  Nov 18 12:50:35 keel /kernel: vt0 at 0x60-0x6f irq 1 on motherboard
  Nov 18 12:50:35 keel /kernel: vt0: unkown s3, 80 col, color, 8 scr, mf2-kbd, [R3.20-b24]
  Nov 18 12:50:35 keel /kernel: ed0 at 0x300-0x31f irq 10 on isa
  Nov 18 12:50:35 keel /kernel: ed0: address 00:80:ad:0e:7b:aa, type NE2000 (16 bit) 
  Nov 18 12:50:35 keel /kernel: sio0 at 0x3f8-0x3ff irq 4 on isa
  Nov 18 12:50:35 keel /kernel: sio0: type 16550A
  Nov 18 12:50:35 keel /kernel: sio1 at 0x2f8-0x2ff irq 3 on isa
  Nov 18 12:50:35 keel /kernel: sio1: type 16550A
  Nov 18 12:50:36 keel /kernel: sio2 at 0x3e8-0x3ef irq 5 on isa
  Nov 18 12:50:36 keel /kernel: sio2: type 16550A
  Nov 18 12:50:36 keel /kernel: sio3 at 0x2e8-0x2ef irq 9 on isa
  Nov 18 12:50:36 keel /kernel: sio3: type 16550A
  Nov 18 12:50:36 keel /kernel: lpt0 at 0x378-0x37f irq 7 on isa
  Nov 18 12:50:36 keel /kernel: lpt0: Interrupt-driven port
  Nov 18 12:50:36 keel /kernel: lp0: TCP/IP capable interface
  Nov 18 12:50:36 keel /kernel: fdc0 at 0x3f0-0x3f7 irq 6 drq 2 on isa
  Nov 18 12:50:36 keel /kernel: fdc0: FIFO enabled, 8 bytes threshold
  Nov 18 12:50:36 keel /kernel: fd0: 1.44MB 3.5in
  Nov 18 12:50:36 keel /kernel: npx0 flags 0x1 on motherboard
  Nov 18 12:50:36 keel /kernel: npx0: INT 16 interface
  Nov 18 12:50:38 keel lpd[152]: restarted
  Nov 18 12:53:56 keel /kernel: Copyright (c) 1992-1997 FreeBSD Inc.
  Nov 18 12:53:56 keel /kernel: Copyright (c) 1982, 1986, 1989, 1991, 1993
  Nov 18 12:53:56 keel /kernel: 	The Regents of the University of California.  All rights reserved.

copy of fstab
  # Device		Mountpoint	FStype	Options		Dump	Pass#
  /dev/sd0s2b		none		swap	sw		0	0
  /dev/sd0a		/		ufs	rw		1	1
  /dev/sd0s2g		/home		ufs	rw		2	2
  /dev/sd0s2e		/tmp		ufs	rw		2	2
  /dev/sd1s1e		/u01		ufs	rw		2	2
  /dev/sd1s1f		/u02		ufs	rw		2	2
  /dev/sd0s2h		/usr		ufs	rw		2	2
  /dev/sd0s2f		/var		ufs	rw		2	2
  proc			/proc		procfs	rw		0	0
  /dev/cd0a		/cdrom		cd9660	ro,noauto	0	0
  /dev/cd1a		/cdrom1		cd9660	ro,noauto	0	0
  /dev/cd2a		/cdrom2		cd9660	ro,noauto	0	0
	

Description: 

I get these crashes with GENERIC or custom kernel.  Symptoms started in 
2.2.2 but I was waiting for 2.2.5 to forge aheda with building system.
Issuing "mount /cdrom2" works as expected.  Issuing "mount /cdrom" causes 
system to crash.  Sometimes, system reboots.  Sometimes, system hangs with 
following on console:

stack pointer		= 0x10:0xf02060a4
frame pointer		= 0x10:0xf02060c8
			= base 0x0, limit 0xfffff, type 0x1b
			= DPL 0, pres 1, def32 1, gran 1
processor eflags	= resume, IOPL = 0
current process		= Idle
interrupt mask		= net tty bio

Fatal trap 12: page fault while in kernel mode
fault virtual address	= 0x1
fault code		= supervisor write, page not present
instruction pointer	= 0x8:0xf01138d8
stack pointer		= 0x10:0xf0205ff0
frame pointer		= 0x10:0xf0206014
code segment		= base 0x0, limit 0xfffff, type 0x1b
			= DPL 0, pres 1, def32 1, gran 1
processor eflags	= resume, IOPL = 0
current process		= Idle
interrupt mask		= net tty bio

Fatal trap 12: page fault while in kernel mode
fault virtual address	= 0x1
fault code		= supervisor write, page not

>Description:
>How-To-Repeat:

On my system, issue mount for a CD ROM in one of the media vision drives.	

>Fix:
	
unknown.

>Release-Note:
>Audit-Trail:
State-Changed-From-To: open->closed 
State-Changed-By: sos 
State-Changed-When: Wed May 30 01:43:13 PDT 2001 
State-Changed-Why:  
Obsolete, we have a new SCSI subsystem since then. 

http://www.FreeBSD.org/cgi/query-pr.cgi?pr=5085 
>Unformatted:
