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Date:      Sun, 10 May 1998 12:40:59 -0500
From:      Paul Saab <paul@mu.org>
To:        freebsd-stable@FreeBSD.ORG
Subject:   crash 2.2.6-RELEASE
Message-ID:  <19980510124059.A3313@mu.org>

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I've had this machine up for days and today I woke up to find it
rebooted.  Here is the info  I got from the crash dump.  Any ideas
what caused this or pointers on how to find out?

thanks..
paul

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GDB 4.16 (i386-unknown-freebsd),
Copyright 1996 Free Software Foundation, Inc...
IdlePTD 223000
current pcb at 1f728c
panic: ffs_alloccg: map corrupted
#0  boot (howto=256) at ../../kern/kern_shutdown.c:266
266                                     dumppcb.pcb_cr3 = rcr3();
(kgdb) where
#0  boot (howto=256) at ../../kern/kern_shutdown.c:266
#1  0xf0114292 in panic (fmt=0xf01a0fb8 "ffs_alloccg: map corrupted")
    at ../../kern/kern_shutdown.c:390
#2  0xf01a1159 in ffs_mapsearch (fs=0xf0f2b800, cgp=0xf3aa1000, bpref=3051560,
    allocsiz=3) at ../../ufs/ffs/ffs_alloc.c:1387
#3  0xf019fc39 in ffs_alloccg (ip=0xf116c900, cg=93, bpref=3051560, size=3072)
    at ../../ufs/ffs/ffs_alloc.c:875
#4  0xf019f6f6 in ffs_hashalloc (ip=0xf116c900, cg=93, pref=3051560,
    size=3072, allocator=0xf019fa50 <ffs_alloccg>)
    at ../../ufs/ffs/ffs_alloc.c:703
#5  0xf019ecd6 in ffs_alloc (ip=0xf116c900, lbn=10, bpref=3051560, size=3072,
    cred=0xf1468a00, bnp=0xefbffddc) at ../../ufs/ffs/ffs_alloc.c:137
#6  0xf01a185e in ffs_balloc (ip=0xf116c900, bn=10, size=2333,
    cred=0xf1468a00, bpp=0xefbffec0, flags=1) at ../../ufs/ffs/ffs_balloc.c:144
#7  0xf01a4bdd in ffs_write (ap=0xefbffee8)
    at ../../ufs/ufs/ufs_readwrite.c:260
#8  0xf0137557 in vn_write (fp=0xf1648e80, uio=0xefbfff34, cred=0xf1468a00)
    at vnode_if.h:283
#9  0xf011b4f3 in write (p=0xf104f600, uap=0xefbfff94, retval=0xefbfff84)
    at ../../kern/sys_generic.c:263
#10 0xf01c476f in syscall (frame={tf_es = 39, tf_ds = 39, tf_edi = 6,
      tf_esi = 90112, tf_ebp = -272638864, tf_isp = -272629788, tf_ebx = 3434,
      tf_edx = 3434, tf_ecx = 0, tf_eax = 4, tf_trapno = 7, tf_err = 7,
      tf_eip = 537482577, tf_cs = 31, tf_eflags = 647, tf_esp = -272638892,
      tf_ss = 39}) at ../../i386/i386/trap.c:918
#11 0x20095551 in ?? ()
#12 0x66a1 in ?? ()
#13 0x6d5b in ?? ()
#14 0x425b in ?? ()
#15 0x1095 in ?? ()


#
# GENERIC -- Generic machine with WD/AHx/NCR/BTx family disks
#
# For more information read the handbook part System Administration -> 
# Configuring the FreeBSD Kernel -> The Configuration File. 
# The handbook is available in /usr/share/doc/handbook or online as
# latest version from the FreeBSD World Wide Web server 
# <URL:http://www.FreeBSD.ORG/>;
#
# An exhaustive list of options and more detailed explanations of the 
# device lines is present in the ./LINT configuration file. If you are 
# in doubt as to the purpose or necessity of a line, check first in LINT.
#
#	$Id: GENERIC,v 1.77.2.8 1997/04/18 14:06:20 nate Exp $

machine		"i386"
#cpu		"I386_CPU"
#cpu		"I486_CPU"
cpu		"I586_CPU"
cpu		"I686_CPU"
ident		ELVIS
maxusers	64

#options		MATH_EMULATE		#Support for x87 emulation
options		INET			#InterNETworking
options		FFS			#Berkeley Fast Filesystem
options		NFS			#Network Filesystem
options		MSDOSFS			#MSDOS Filesystem
options		"CD9660"		#ISO 9660 Filesystem
options		PROCFS			#Process filesystem
options		"COMPAT_43"		#Compatible with BSD 4.3 [KEEP THIS!]
options		SCSI_DELAY=15		#Be pessimistic about Joe SCSI device
options		BOUNCE_BUFFERS		#include support for DMA bounce buffers
options		UCONSOLE		#Allow users to grab the console
options		FAILSAFE		#Be conservative
options		USERCONFIG		#boot -c editor
options		VISUAL_USERCONFIG	#visual boot -c editor

config		kernel	root on sd0 

controller	isa0
controller	pci0

controller	fdc0	at isa? port "IO_FD1" bio irq 6 drq 2 vector fdintr
disk		fd0	at fdc0 drive 0
#disk		fd1	at fdc0 drive 1
#tape		ft0	at fdc0 drive 2

#controller	wdc0	at isa? port "IO_WD1" bio irq 14 vector wdintr
#disk		wd0	at wdc0 drive 0
#disk		wd1	at wdc0 drive 1

#controller	wdc1	at isa? port "IO_WD2" bio irq 15 vector wdintr
#disk		wd2	at wdc1 drive 0
#disk		wd3	at wdc1 drive 1

#options		ATAPI		#Enable ATAPI support for IDE bus
#options		ATAPI_STATIC	#Don't do it as an LKM
#device		wcd0	#IDE CD-ROM

# A single entry for any of these controllers (ncr, ahb, ahc, amd) is
# sufficient for any number of installed devices.
#controller	ncr0
#controller	amd0
#controller	ahb0
controller	ahc0
#controller	bt0	at isa? port "IO_BT0" bio irq ? vector bt_isa_intr
#controller	uha0	at isa? port "IO_UHA0" bio irq ? drq 5 vector uhaintr
#controller	aha0	at isa? port "IO_AHA0" bio irq ? drq 5 vector ahaintr
#controller	aic0	at isa? port 0x340 bio irq 11 vector aicintr
#controller	nca0	at isa? port 0x1f88 bio irq 10 vector ncaintr
#controller	nca1	at isa? port 0x350 bio irq 5 vector ncaintr
#controller	sea0	at isa? bio irq 5 iomem 0xc8000 iosiz 0x2000 vector seaintr

controller	scbus0

device		sd0

#device		od0	#See LINT for possible `od' options.

device		st0

#device		cd0	#Only need one of these, the code dynamically grows

#device		wt0	at isa? port 0x300 bio irq 5 drq 1 vector wtintr
#device		mcd0	at isa? port 0x300 bio irq 10 vector mcdintr

#controller	matcd0	at isa? port 0x230 bio

#device		scd0	at isa? port 0x230 bio

# syscons is the default console driver, resembling an SCO console
device		sc0	at isa? port "IO_KBD" tty irq 1 vector scintr
# Enable this and PCVT_FREEBSD for pcvt vt220 compatible console driver
#device		vt0	at isa? port "IO_KBD" tty irq 1 vector pcrint
#options		PCVT_FREEBSD=210	# pcvt running on FreeBSD >= 2.0.5
options		XSERVER			# include code for XFree86
#options		FAT_CURSOR		# start with block cursor
# If you have a ThinkPAD, uncomment this along with the rest of the PCVT lines
#options		PCVT_SCANSET=2		# IBM keyboards are non-std

# Mandatory, don't remove
device		npx0	at isa? port "IO_NPX" flags 0x1 irq 13 vector npxintr

#
# Laptop support (see LINT for more options)
#
#device		apm0    at isa?	disable	# Advanced Power Management
#options		APM_BROKEN_STATCLOCK	# Workaround some buggy APM BIOS
# PCCARD (PCMCIA) support
#controller	crd0
#device		pcic0	at crd?
#device		pcic1	at crd?

device		sio0	at isa? port "IO_COM1" tty irq 4 vector siointr
device		sio1	at isa? port "IO_COM2" tty irq 3 vector siointr
#device		sio2	at isa? disable port "IO_COM3" tty irq 5 vector siointr
#device		sio3	at isa? disable port "IO_COM4" tty irq 9 vector siointr

device		lpt0	at isa? port? tty irq 7 vector lptintr
#device		lpt1	at isa? port? tty
#device		mse0	at isa? port 0x23c tty irq 5 vector mseintr

#device		psm0	at isa? disable port "IO_KBD" conflicts tty irq 12 vector psmintr

# Order is important here due to intrusive probes, do *not* alphabetize
# this list of network interfaces until the probes have been fixed.
# Right now it appears that the ie0 must be probed before ep0. See
# revision 1.20 of this file.
#device de0
device fxp0
device vx0

#device ed0 at isa? port 0x280 net irq  5 iomem 0xd8000 vector edintr
#device ed1 at isa? port 0x300 net irq  5 iomem 0xd8000 vector edintr
#device ie0 at isa? port 0x300 net irq 10 iomem 0xd0000 vector ieintr
#device ie1 at isa? port 0x360 net irq  7 iomem 0xd0000 vector ieintr
device ep0 at isa? port 0x300 net irq 5 vector epintr
#device ex0 at isa? port 0x300 net irq 10 iomem 0xd0000 vector exintr
#device fe0 at isa? port 0x300 net irq ? vector feintr
#device le0 at isa? port 0x300 net irq 5 iomem 0xd0000 vector le_intr
#device lnc0 at isa? port 0x280 net irq 10 drq 0 vector lncintr
#device ze0 at isa? port 0x300 net irq 5 iomem 0xd8000 vector zeintr
#device zp0 at isa? port 0x300 net irq 10 iomem 0xd8000 vector zpintr

pseudo-device	loop
pseudo-device	ether
pseudo-device	log
pseudo-device	sl	1
# ijppp uses tun instead of ppp device
pseudo-device	ppp	1
pseudo-device	vn	1
pseudo-device	tun	1
pseudo-device	pty	256
pseudo-device	gzip		# Exec gzipped a.out's

# KTRACE enables the system-call tracing facility ktrace(2).
# This adds 4 KB bloat to your kernel, and slightly increases
# the costs of each syscall.
options		KTRACE		#kernel tracing

pseudo-device	bpfilter	4
options		SYSVSEM
options		SYSVSHM
options		SYSVMSG
options		OPEN_MAX=128
options		CHILD_MAX=128
options         QUOTA
device		ch0
options "MAXMEM=(1024*128)" 

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