Date: Sun, 8 Feb 1998 23:49:07 -0600 From: Paul Saab <paul@mu.org> To: freebsd-stable@FreeBSD.ORG Subject: panic .. where to go next Message-ID: <19980208234907.51787@mu.org>
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I recently upgraded my machine's memory to 128 meg and ran into
all sorts of problems with sig 11's while building world and kernels.
I at first thought it may be the ram was bad so I took it out and
replaced it with the orginal 64 meg and placed the 128 into another
machine to see what the problem may be.
The other machine I put the 128 meg into has compiled world fine
about 10 times now and no errors. I have run world on the original
machine and I am still getting sig11's and ocasionally a panic.
Can anyone shed some light on my problem? I am stuck as to where
to go next. I thought my problems was the new ram but seeing how
it is running in a machine similar to the one I have at home (it
is a little newer model motherboard) and it has yet to have any of
the problems I am experiencing at home.
Below is the output from dmesg and from gdb on the kernel core file.
Thanks,
Paul
Copyright (c) 1992-1997 FreeBSD Inc.
Copyright (c) 1982, 1986, 1989, 1991, 1993
The Regents of the University of California. All rights reserved.
FreeBSD 2.2.5-RELEASE #0: Sun Feb 8 00:34:38 CST 1998
root@skim.milk.yogurt.org:/usr/src/sys/compile/SKIM
CPU: Pentium (165.79-MHz 586-class CPU)
Origin = "GenuineIntel" Id = 0x52c Stepping=12
Features=0x1bf<FPU,VME,DE,PSE,TSC,MSR,MCE,CX8>
real memory = 67108864 (65536K bytes)
avail memory = 62500864 (61036K bytes)
Probing for devices on PCI bus 0:
chip0 <Intel 82437FX PCI cache memory controller> rev 2 on pci0:0
chip1 <Intel 82371FB PCI-ISA bridge> rev 2 on pci0:7:0
chip2 <Intel 82371FB IDE interface> rev 2 on pci0:7:1
vga0 <VGA-compatible display device> rev 1 int a irq 10 on pci0:18
ahc0 <Adaptec 2940 Ultra SCSI host adapter> rev 0 int a irq 11 on pci0:20
ahc0: aic7880 Wide Channel, SCSI Id=7, 16 SCBs
ahc0 waiting for scsi devices to settle
(ahc0:0:0): "MICROP 4421-07 0502SJ 0502" type 0 fixed SCSI 2
sd0(ahc0:0:0): Direct-Access 2047MB (4193360 512 byte sectors)
(ahc0:1:0): "Quantum XP32150W L912" type 0 fixed SCSI 2
sd1(ahc0:1:0): Direct-Access 2050MB (4199760 512 byte sectors)
(ahc0:2:0): "IBM DCAS-34330W S65A" type 0 fixed SCSI 2
sd2(ahc0:2:0): Direct-Access 4134MB (8467200 512 byte sectors)
Probing for devices on the ISA bus:
sc0 at 0x60-0x6f irq 1 on motherboard
sc0: VGA color <16 virtual consoles, flags=0x0>
sio0 at 0x3f8-0x3ff irq 4 on isa
sio0: type 16550A
sio1 at 0x2f8-0x2ff irq 3 on isa
sio1: type 16550A
lpt0 at 0x378-0x37f irq 7 on isa
lpt0: Interrupt-driven port
lp0: TCP/IP capable interface
psm0 not found at 0x60
fdc0 at 0x3f0-0x3f7 irq 6 drq 2 on isa
fdc0: FIFO enabled, 8 bytes threshold
fd0: 1.44MB 3.5in
wdc1 at 0x170-0x177 irq 15 on isa
wdc1: unit 0 (atapi): <MATSHITA CR-583/1.04>, removable, accel, dma, iordis
wcd0: 1378Kb/sec, 128Kb cache, audio play, 256 volume levels, ejectable tray
wcd0: 120mm audio disc loaded, unlocked
npx0 on motherboard
npx0: INT 16 interface
sb0 at 0x220 irq 5 drq 1 on isa
sb0: <SoundBlaster 16 4.13>
sbxvi0 at 0x0 drq 5 on isa
sbxvi0: <SoundBlaster 16 4.13>
sbmidi0 at 0x330 on isa
<SoundBlaster MPU-401>
bash-2.01# gdb -k kernel.debug /var/crash/vmcore.0
GDB is free software and you are welcome to distribute copies of it
under certain conditions; type "show copying" to see the conditions.
There is absolutely no warranty for GDB; type "show warranty" for details.
GDB 4.16 (i386-unknown-freebsd),
Copyright 1996 Free Software Foundation, Inc...
IdlePTD 233000
current pcb at 206298
panic: bad dir
#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 0xf0111872 in panic (fmt=0xf01a3161 "bad dir")
at ../../kern/kern_shutdown.c:390
#2 0xf01a31a3 in ufs_dirbad (ip=0xf1003300, offset=0,
how=0xf01a2500 "mangled entry") at ../../ufs/ufs/ufs_lookup.c:589
#3 0xf01a2a01 in ufs_lookup (ap=0xefbffe18) at ../../ufs/ufs/ufs_lookup.c:284
#4 0xf012ef09 in lookup (ndp=0xefbffeac) at vnode_if.h:31
#5 0xf012ea4b in namei (ndp=0xefbffeac) at ../../kern/vfs_lookup.c:156
#6 0xf0132afc in stat (p=0xf0e13200, uap=0xefbfff94, retval=0xefbfff84)
at ../../kern/vfs_syscalls.c:1288
#7 0xf01bfc2f in syscall (frame={tf_es = 39, tf_ds = 39, tf_edi = 18032,
tf_esi = 18032, tf_ebp = -272642772, tf_isp = -272629788,
tf_ebx = 134787168, tf_edx = 102528, tf_ecx = 6, tf_eax = 188,
tf_trapno = 12, tf_err = 7, tf_eip = 134694561, tf_cs = 31,
tf_eflags = 534, tf_esp = -272642896, tf_ss = 39})
at ../../i386/i386/trap.c:890
#8 0x80746a1 in ?? ()
#9 0x535b in ?? ()
#10 0x46ab in ?? ()
#11 0x9c21 in ?? ()
#12 0x1095 in ?? ()
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