Date: Wed, 13 May 1998 23:57:28 -0500 (CDT) From: Kevin Day <toasty@home.dragondata.com> To: current@FreeBSD.ORG Subject: SMP related panic on reboot Message-ID: <199805140457.XAA14634@home.dragondata.com>
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I booted a machine, realized I had forgotten something, and rebooted it
instantly after it was done booting.. It panic'ed during the reboot. This is
a kernel from ~Feb 25th.
Any questions/ideas?
boot() called on cpu#0
syncing disks... 3 3 3 1 done
panic: lockmgr: pid 195, not exclusive lock holder 1 unlocking
mp_lock = 00000001; cpuid = 0; lapic.id = 00000000
Debugger("panic")
Stopped at _Debugger+0x35: movb $0,_in_Debugger.94
db> ps
pid proc addr uid ppid pgrp flag stat wmsg wchan cmd
195 f67b8600 f67c5000 0 1 195 004006 2 reboot
(snip)
db> trace
_Debugger
_panic
_lockmgr
_vop_stdunlock
_ufs_vnoperate
_vput
_quotaoff
_ffs_flush
_ffs_unmount
_dounmount
_vfs_unmountall
_boot
_reboot
_syscall
_Xsyscall
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-CURRENT #0: Wed Feb 25 01:24:40 CST 1998
root@freeshell.dragondata.com:/userland/home/src/sys/compile/FREESHELL
CPU: Pentium (586-class CPU)
Origin = "GenuineIntel" Id = 0x525 Stepping=5
Features=0x3bf<FPU,VME,DE,PSE,TSC,MSR,MCE,CX8,APIC>
real memory = 50331648 (49152K bytes)
avail memory = 46288896 (45204K bytes)
FreeBSD/SMP: Multiprocessor motherboard
cpu0 (BSP): apic id: 0, version: 0x00030010, at 0xfee00000
cpu1 (AP): apic id: 1, version: 0x00030010, at 0xfee00000
io0 (APIC): apic id: 2, version: 0x000f0011, at 0xfec00000
eisa0: <MIC54 (System Board)>
Probing for devices on the EISA bus
Probing for devices on PCI bus 0:
chip0: <Intel 82434NX (Neptune) PCI cache memory controller> rev 0x11 on pci0.0.0
chip1: <Intel 82375EB PCI-EISA bridge> rev 0x03 on pci0.2.0
wdc0: <CMD 640B IDE> rev 0x02 int a irq 14 on pci0.4.0
vga0: <S3 Trio graphics accelerator> rev 0x54 int a irq 9 on pci0.13.0
de0: <Digital 21140A Fast Ethernet> rev 0x22 int a irq 11 on pci0.14.0
de0: 21140A [10-100Mb/s] pass 2.2
de0: address 00:40:05:42:dd:31
Probing for devices on the ISA bus:
sc0 at 0x60-0x6f irq 1 on motherboard
sc0: VGA color <16 virtual consoles, flags=0x0>
fdc0 at 0x3f0-0x3f7 irq 6 drq 2 on isa
wdc0 at 0x1f0-0x1f7 irq 14 on isa
wdc0: CMD640B workaround enabled
wdc0: unit 0 (wd0): <ST34342A>
wd0: 4103MB (8404830 sectors), 8894 cyls, 15 heads, 63 S/T, 512 B/S
wdc1 not found at 0x170
npx0 on motherboard
npx0: INT 16 interface
stray irq 7
Intel Pentium F00F detected, installing workaround
APIC_IO: routing 8254 via 8259 on pin 0
SMP: AP CPU #1 Launched!
WARNING: / was not properly dismounted.
de0: enabling 10baseT port
===============================================================================
MPTable, version 2.0.15
-------------------------------------------------------------------------------
MP Floating Pointer Structure:
location: EBDA
physical address: 0x0009fc30
signature: '_MP_'
length: 16 bytes
version: 1.1
checksum: 0x5a
mode: Virtual Wire
-------------------------------------------------------------------------------
MP Config Table Header:
physical address: 0x0009fc44
signature: 'PCMP'
base table length: 260
version: 1.1
checksum: 0x2c
OEM ID: 'INTEL '
Product ID: '430 NX EISA '
OEM table pointer: 0x00000000
OEM table size: 0
entry count: 24
local APIC address: 0xfee00000
extended table length: 0
extended table checksum: 0
-------------------------------------------------------------------------------
MP Config Base Table Entries:
--
Processors: APIC ID Version State Family Model Step Flags
0 0x10 BSP, usable 5 2 5 0x03bf
1 0x10 AP, usable 5 2 5 0x03bf
--
Bus: Bus ID Type
0 ISA
1 EISA
2 PCI
--
I/O APICs: APIC ID Version State Address
2 0x11 usable 0xfec00000
--
I/O Ints: Type Polarity Trigger Bus ID IRQ APIC ID PIN#
ExtINT active-hi edge 0 0 2 0
INT conforms conforms 0 1 2 1
INT conforms conforms 0 0 2 2
INT conforms conforms 0 3 2 3
INT conforms conforms 0 4 2 4
INT conforms conforms 0 5 2 5
INT conforms conforms 0 6 2 6
INT conforms conforms 0 7 2 7
INT conforms conforms 0 8 2 8
INT conforms conforms 0 9 2 9
INT conforms conforms 0 10 2 10
INT conforms conforms 0 11 2 11
INT conforms conforms 0 12 2 12
INT conforms conforms 0 13 2 13
INT conforms conforms 0 14 2 14
INT conforms conforms 0 15 2 15
--
Local Ints: Type Polarity Trigger Bus ID IRQ APIC ID PIN#
ExtINT active-hi edge 0 0 255 0
NMI active-hi edge 0 0 255 1
-------------------------------------------------------------------------------
# SMP kernel config file options:
# Required:
options SMP # Symmetric MultiProcessor Kernel
options APIC_IO # Symmetric (APIC) I/O
# Optional (built-in defaults will work in most cases):
#options NCPU=2 # number of CPUs
#options NBUS=3 # number of busses
#options NAPIC=1 # number of IO APICs
#options NINTR=24 # number of INTs
===============================================================================
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