Date: Wed, 30 Sep 1998 15:27:38 -0500 (CDT) From: Craig Johnston <caj@lfn.org> To: freebsd-current@FreeBSD.ORG Subject: kernel fall down, go BOOM Message-ID: <Pine.GSO.3.96.980930151235.564A-100000@jane.lfn.org>
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The crash is reproducible on my machine.
The machine is a recent IBM Thinkpad 560e w/80 megs of RAM.
The kernel is current, cvsupped between 1900 and 2000 UTC today.
Here's the panic:
fatal trap 12: page fault while in supervisor mode
fault virtual address = 0xc
fault code = supervisor read, page not present
instruction pointer = 0x8:0xf0165182
stack pointer = 0x10:0xf4d8ef14
frame pointer = 0x10:0xf4d8ef20
code segment = base 0x0, limit 0xfffff, type 0x1b
= DPL 0, pres 1, def32 1, gran 1
processor eflags = int enabled, resume, IOPL = 0
current process = 88 (syslogd)
interrupt mask =
kernel: type 12 trap, code=0
stopped at _softdep_process_worklist+0x2a: movl 0xc(%eax),%edi
Here's a trace from ddb:
_softdep_process_worklist(f4d6a220,f4d72740,f01cb2a8,0,f01ca3b8) at
_softdep_process_worklist+0x2a
_fsync(f4d72740, f4d8ef84, 8, efbffd2bc, 8054cd8) at _fsync+0xae
_syscall(27, 27, 8054cd8, efbfd2bc, efbfd2c4) at _syscall+0x187
_Xint0x80_syscall() at _Xint0x80_syscall+0x2c
(I transcribed the above 2 by hand, I hope they are correct)
Here's my config:
options PQ_MEDIUMCACHE
options "VM86"
options FFS_ROOT #FFS usable as root device
options SOFTUPDATES
options PERFMON
machine "i386"
ident EIDOLON
maxusers 64
options INCLUDE_CONFIG_FILE # Include this file in kernel
config kernel root on wd0s1a
cpu "I586_CPU" # aka Pentium(tm)
options "COMPAT_43"
options SYSVSHM
options UCONSOLE
options USERCONFIG
options VISUAL_USERCONFIG #visual boot -c editor
options INET #Internet communications protocols
pseudo-device ether #Generic Ethernet
pseudo-device loop #Network loopback device
pseudo-device ppp 1 #Point-to-point protocol
pseudo-device bpfilter 2 #Berkeley packet filter
pseudo-device tun 1 #Tunnel driver(user process ppp)
options PPP_FILTER #enable bpf filtering (needs bpfilter)
options FFS #Fast filesystem
options PROCFS #Process filesystem
pseudo-device pty 64 #Pseudo ttys - can go as high as 256
pseudo-device gzip #Exec gzipped a.out's
controller isa0
options "MAXMEM=(80*1024)"
device sc0 at isa? port "IO_KBD" tty irq 1 vector scintr
options MAXCONS=8 # number of virtual consoles
options SC_HISTORY_SIZE=200 # number of history buffer lines
options SC_DISABLE_REBOOT # disable reboot key sequence
device npx0 at isa? port "IO_NPX" iosiz 0x0 flags 0x0 irq 13 vector npxintr
controller wdc0 at isa? port "IO_WD1" bio irq 14 vector wdintr
disk wd0 at wdc0 drive 0 flags 0xa0ff
controller fdc0 at isa? port "IO_FD1" bio irq 6 drq 2 vector fdintr
disk fd0 at fdc0 drive 0
device lpt0 at isa? port? tty irq 7 vector lptintr
device psm0 at isa? port "IO_KBD" conflicts tty irq 12 vector psmintr
options PSM_HOOKAPM #hook the APM resume event, useful
options PSM_RESETAFTERSUSPEND #reset the device at the resume event
device sio0 at isa? port "IO_COM1" tty irq 4 vector siointr
device zp0 at isa? port 0x300 net irq 10 iomem 0xd8000 vector zpintr
device apm0 at isa?
controller pci0
controller snd0
device sb0 at isa? port 0x220 irq 5 drq 1 vector sbintr
options MFS
options DDB
options DDB_UNATTENDED
options KTRACE #kernel tracing
Here's my dmesg output (from the previous kernel):
Copyright (c) 1992-1998 FreeBSD Inc.
Copyright (c) 1982, 1986, 1989, 1991, 1993
The Regents of the University of California. All rights reserved.
FreeBSD 3.0-BETA #0: Tue Sep 22 14:43:41 CDT 1998
caj@eidolon.autarch.com:/usr/src/sys/compile/EIDOLON
Timecounter "i8254" frequency 1193182 Hz cost 2579 ns
CPU: Pentium/P55C (166.19-MHz 586-class CPU)
Origin = "GenuineIntel" Id = 0x544 Stepping=4
Features=0x8001bf<FPU,VME,DE,PSE,TSC,MSR,MCE,CX8,MMX>
real memory = 83886080 (81920K bytes)
avail memory = 78868480 (77020K bytes)
Probing for devices on PCI bus 0:
chip0: <Intel 82437MX mobile PCI cache memory controller> rev 0x02 on pci0.0.0
chip1: <Intel 82371MX mobile PCI I/O IDE accelerator (MPIIX)> rev 0x03 on pci0.1.0
vga0: <Trident model 9660 VGA-compatible display device> rev 0xd3 int a irq 0 on pci0.3.0
chip2: <PCI to PCMCIA bridge (vendor=1013 device=1100)> rev 0xe2 int a irq 0 on pci0.19.0
Probing for devices on the ISA bus:
sc0 at 0x60-0x6f irq 1 on motherboard
sc0: VGA color <8 virtual consoles, flags=0x0>
lpt0 at 0x3bc-0x3c3 irq 7 on isa
lpt0: Interrupt-driven port
lp0: TCP/IP capable interface
psm0 at 0x60-0x64 irq 12 on motherboard
psm0: model Generic PS/2 mouse, device ID 0
sio0 at 0x3f8-0x3ff irq 4 on isa
sio0: type 16550A
wdc0 at 0x1f0-0x1f7 irq 14 on isa
wdc0: unit 0 (wd0): <IBM-DTNA-22110>, 32-bit, multi-block-16
wd0: 2016MB (4128768 sectors), 4096 cyls, 16 heads, 63 S/T, 512 B/S
fdc0 at 0x3f0-0x3f7 irq 6 drq 2 on isa
fdc0: FIFO enabled, 8 bytes threshold
zp: slot 0: no card in slot
zp: found card in slot 1
zp0 at 0x300-0x30f irq 10 maddr 0xd8000 on isa
zp0: aui/bnc/utp address 00:10:4b:a0:74:d3
npx0 on motherboard
npx0: INT 16 interface
apm0 on isa
apm: found APM BIOS version 1.2
sb0 at 0x220 irq 5 drq 1 on isa
Hmm... Could this be an ESS688 based card (rev 11)
NOTE! SB Pro support required with your soundcard!
snd0: <SoundBlaster Pro 3.1>
Intel Pentium F00F detected, installing workaround
WARNING: / was not properly dismounted.
ffs_mountfs: superblock updated
ffs_mountfs: superblock updated
ffs_mountfs: superblock updated
Anything I neglected to mention?
--
Craig Johnston, caj@lfn.org
abort(); /* live fast, die young and leave a good-looking core file */
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