Date: Sun, 17 Oct 1999 01:20:26 -0400 From: "Ben Goodwin" <ben@hamsterville.ultranet.com> To: "Greg Lehey" <grog@lemis.com> Cc: <freebsd-questions@FreeBSD.ORG> Subject: Re: Fw: 3.3R box crashing; need help debugging the crash Message-ID: <00a201bf185f$520089f0$6a477392@dsg.hamsterville.ultranet.com> References: <011201bf15ec$2d177380$6a477392@dsg.hamsterville.ultranet.com> <19991014130605.Y78191@freebie.lemis.com>
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I snipped them out in this message since I'd already posteed them and didn't
want to post a big msg again ... :-)
I'll re-post them below ...
BTW It's a pentium-II/400 in the new asus p3bf board, 128 mb ram, IDE disk
... It doesn't any local X, tho I do use exceed against it ... I've had it
crash in single-user while moving some data around, too ..
I haven't figured out a sure-fire way to get it to crash, however.. So all
I can hope is that the data below will help shed some light ..
TIA,
Ben
> I don't see any results. If you had trouble getting them, you need to
> describe the trouble, not ignore the technique.
> Cool, perhaps if you provide some interesting information, someone
> _else_ will know how to interpret it. :-)
=========
IdlePTD 2527232
initial pcb at 201e44
panicstr: page fault
panic messages:
---
Fatal trap 12: page fault while in kernel mode
fault virtual address = 0xbfca0a80
fault code = supervisor read, page not present
instruction pointer = 0x8:0xc01b825f
stack pointer = 0x10:0xc65e1f08
frame pointer = 0x10:0xc65e1f18
code segment = base 0x0, limit 0xfffff, type 0x1b
= DPL 0, pres 1, def32 1, gran 1
processor eflags = interrupt enabled, resume, IOPL = 0
current process = 9522 (pine)
interrupt mask = net tty bio cam
trap number = 12
panic: page fault
syncing disks... 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11
giv
ing up
dumping to dev 20003, offset 4096
dump 127 126 125 124 123 122 121 120 119 118 117 116 115 114 113 112 111 110
109
108 107 106 105 104 103 102 101 100 99 98 97 96 95 94 93 92 91 90 89 88 87
86 8
5 84 83 82 81 80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60
59
58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34
33 32
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5
4 3
2 1
---
#0 boot (howto=256) at ../../kern/kern_shutdown.c:285
285 dumppcb.pcb_cr3 = rcr3();
(kgdb) back
#0 boot (howto=256) at ../../kern/kern_shutdown.c:285
#1 0xc012da71 in panic (fmt=0xc01e4dc2 "page fault")
at ../../kern/kern_shutdown.c:446
#2 0xc01b9c7e in trap_fatal (frame=0xc65e1ecc, eva=3217689216)
at ../../i386/i386/trap.c:942
#3 0xc01b9937 in trap_pfault (frame=0xc65e1ecc, usermode=0, eva=3217689216)
at ../../i386/i386/trap.c:835
#4 0xc01b9596 in trap (frame={tf_es = -966918128, tf_ds = -1071972336,
tf_edi = 0, tf_esi = -1066399468, tf_ebp = -966910184,
tf_isp = -966910220, tf_ebx = -1066399468, tf_edx = 0,
tf_ecx = -1077278080, tf_eax = 658048, tf_trapno = 12, tf_err = 0,
tf_eip = -1071938977, tf_cs = 8, tf_eflags = 66050, tf_esp
= -968018496,
tf_ss = 0}) at ../../i386/i386/trap.c:437
#5 0xc01b825f in pmap_remove_pages (pmap=0xc64d3624, sva=0, eva=3217022976)
at ../../i386/i386/pmap.c:2913
#6 0xc0127ad2 in exit1 (p=0xc64ce760, rv=0) at ../../kern/kern_exit.c:216
#7 0xc01278e4 in exit1 (p=0xc64ce760, rv=-966910060)
at ../../kern/kern_exit.c:104
#8 0xc01b9ec7 in syscall (frame={tf_es = 674234407, tf_ds = -1078001625,
tf_edi = 0, tf_esi = -1, tf_ebp = -1077946784, tf_isp = -966909980,
tf_ebx = 674186856, tf_edx = 0, tf_ecx = 136933376, tf_eax = 1,
tf_trapno = 0, tf_err = 2, tf_eip = 673931908, tf_cs = 31,
tf_eflags = 582, tf_esp = -1077946804, tf_ss = 39})
---Type <return> to continue, or q <return> to quit---
at ../../i386/i386/trap.c:1100
#9 0xc01af84c in Xint0x80_syscall ()
Cannot access memory at address 0xbfbfd660.
(kgdb)
=====
kernel config:
machine "i386"
cpu "I686_CPU"
ident POSEIDON
maxusers 64
options INET #InterNETworking
options FFS #Berkeley Fast Filesystem
options FFS_ROOT #FFS usable as root device [keep
this!]
options MSDOSFS #MSDOS Filesystem
options "CD9660" #ISO 9660 Filesystem
options "CD9660_ROOT" #CD-ROM usable as root. "CD9660"
req'ed
options PROCFS #Process filesystem
options "COMPAT_43" #Compatible with BSD 4.3 [KEEP
THIS!]
options SCSI_DELAY=15000 #Be pessimistic about Joe SCSI
device
options UCONSOLE #Allow users to grab the console
options FAILSAFE #Be conservative
options USERCONFIG #boot -c editor
options VISUAL_USERCONFIG #visual boot -c editor
options KTRACE #ktrace(1) syscall trace support
options SYSVSHM #SYSV-style shared memory
options SYSVMSG #SYSV-style message queues
options SYSVSEM #SYSV-style semaphores
config kernel root on wd0
controller isa0
controller pnp0 # PnP support for ISA
controller pci0
controller fdc0 at isa? port "IO_FD1" bio irq 6 drq 2
disk fd0 at fdc0 drive 0
options "CMD640" # work around CMD640 chip deficiency
controller wdc0 at isa? port "IO_WD1" bio irq 14
disk wd0 at wdc0 drive 0
disk wd1 at wdc0 drive 1
options ATAPI #Enable ATAPI support for IDE bus
options ATAPI_STATIC #Don't do it as an LKM
device acd0 #IDE CD-ROM
device wfd0 #IDE Floppy (e.g. LS-120)
controller atkbdc0 at isa? port IO_KBD tty
device atkbd0 at isa? tty irq 1
device psm0 at isa? tty irq 12
device vga0 at isa? port ? conflicts
pseudo-device splash
device sc0 at isa? tty
device npx0 at isa? port IO_NPX irq 13
device sio0 at isa? port "IO_COM1" flags 0x10 tty irq 4
device sio1 at isa? port "IO_COM2" tty irq 3
device al0 # ADMtek AL981 (``Comet'')
device rl0 # RealTek 8129/8139
pseudo-device loop # Network loopback
pseudo-device ether # Ethernet support
pseudo-device sl 1 # Kernel SLIP
pseudo-device pty 64 # Pseudo-ttys (telnet etc)
pseudo-device gzip # Exec gzipped a.out's
pseudo-device bpfilter 1 #Berkeley packet filter
options SC_HISTORY_SIZE=500
options DDB
options DDB_UNATTENDED
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