Date: Wed, 15 Jul 1998 10:17:23 -0500 (EST) From: Alfred Perlstein <bright@hotjobs.com> To: current@FreeBSD.ORG Subject: (got the trace) repeatable crash with softupdates Message-ID: <Pine.BSF.3.96.980715101436.323B-100000@bright.ny.otec.com> In-Reply-To: <Pine.BSF.3.96.980715094047.370A-100000@bright.ny.otec.com>
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> I recently enabled softupdates on every filesystem but root.
>
> i can cause a crash by running the x11 version of cvsup to download the
> source tree.
>
> this happens just about every time.
...blah blah...
Elvind told me how to get a trace and the panic info, thanks
-Alfred
here's the crash info:
bright# gdb -k kernel.0 vmcore.0
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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...(no debugging symbols found)...
IdlePTD 2498560
initial pcb at 233dcc
panicstr: page fault
panic messages:
---
Fatal trap 12: page fault while in kernel mode
fault virtual address = 0xefdd1bd8
fault code = supervisor read, page not present
instruction pointer = 0x8:0xf01a19a5
stack pointer = 0x10:0xf0220df8
frame pointer = 0x10:0xf0220e2c
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 = Idle
interrupt mask = net tty
trap number = 12
panic: page fault
syncing disks...
Fatal trap 12: page fault while in kernel mode
fault virtual address = 0x30
fault code = supervisor read, page not present
instruction pointer = 0x8:0xf01c1068
stack pointer = 0x10:0xf0220b3c
frame pointer = 0x10:0xf0220b40
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 = Idle
interrupt mask = net tty bio cam
trap number = 12
panic: page fault
dumping to dev 40001, offset 352256
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 0xf0119a77 in boot ()
(kgdb) bt
#0 0xf0119a77 in boot ()
#1 0xf0119d46 in panic ()
#2 0xf01ed81d in trap_fatal ()
#3 0xf01ed2b0 in trap_pfault ()
#4 0xf01ecf47 in trap ()
#5 0xf01c1068 in acquire_lock ()
#6 0xf01c4847 in initiate_write_inodeblock ()
#7 0xf01c4437 in softdep_disk_io_initiation ()
#8 0xf01486fa in spec_strategy ()
#9 0xf0147e19 in spec_vnoperate ()
#10 0xf01d036d in ufs_vnoperatespec ()
#11 0xf013534d in bwrite ()
#12 0xf0139b46 in vop_stdbwrite ()
#13 0xf0139981 in vop_defaultop ()
#14 0xf0147e19 in spec_vnoperate ()
#15 0xf01d036d in ufs_vnoperatespec ()
#16 0xf0135de7 in vfs_bio_awrite ()
#17 0xf01c9ff7 in ffs_fsync ()
#18 0xf01c84a7 in ffs_sync ()
#19 0xf013e1f7 in sync ()
#20 0xf011992b in boot ()
#21 0xf0119d46 in panic ()
#22 0xf01ed81d in trap_fatal ()
#23 0xf01ed2b0 in trap_pfault ()
#24 0xf01ecf47 in trap ()
#25 0xf01a19a5 in tulip_txput ()
#26 0xf01a1f8d in tulip_ifstart_one ()
#27 0xf01535fc in ether_output ()
#28 0xf0163e64 in ip_output ()
#29 0xf0168671 in tcp_output ()
#30 0xf01696af in tcp_timers ()
#31 0xf01694c4 in tcp_slowtimo ()
#32 0xf012db33 in pfslowtimo ()
#33 0xf011e293 in softclock ()
(kgdb)
dmesg:
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 #6: Thu Jul 2 14:36:20 EST 1998
bright@bright.ny.otec.com:/usr/src/sys/compile/bright
Timecounter "i8254" frequency 1193182 Hz cost 3031 ns
CPU: Pentium II (300.01-MHz 686-class CPU)
Origin = "GenuineIntel" Id = 0x634 Stepping=4
Features=0x80f9ff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,SEP,MTRR,PGE,MCA,CMOV,MMX>
real memory = 134217728 (131072K bytes)
avail memory = 127868928 (124872K bytes)
Probing for devices on PCI bus 0:
chip0: <Host to PCI bridge (vendor=8086 device=7180)> rev 0x03 on pci0.0.0
chip1: <PCI to PCI bridge (vendor=8086 device=7181)> rev 0x03 on pci0.1.0
chip2: <Intel 82371AB PCI to ISA bridge> rev 0x02 on pci0.7.0
ide_pci0: <Intel PIIX4 Bus-master IDE controller> rev 0x01 on pci0.7.1
chip3: <Intel 82371AB USB host controller> rev 0x01 int d irq 11 on pci0.7.2
chip4: <Intel 82371AB Power management controller> rev 0x02 on pci0.7.3
de0: <Digital 21041 Ethernet> rev 0x11 int a irq 10 on pci0.13.0
de0: 21041 [10Mb/s] pass 1.1
de0: address 00:40:33:91:13:8c
vga0: <Matrox MGA 2164W graphics accelerator> rev 0x00 int a irq 9 on pci0.14.0
Probing for devices on PCI bus 1:
Probing for PnP devices:
CSN 1 Vendor ID: YMH0030 [0x3000a865] Serial 0x80860001
mss_attach <Yamaha SA3>1 at 0x530 irq 5 dma 0:1 flags 0x11
pcm1 (CS423x/Yamaha <Yamaha SA3> sn 0x80860001) at 0x530-0x537 irq 5 drq 0 flags 0x11 on isa
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 flags 0x10 on isa
sio0: type 16550A
sio1: configured irq 3 not in bitmap of probed irqs 0
sio1 not found at 0x2f8
psm0 at 0x60-0x64 irq 12 on motherboard
psm0: model Generic PS/2 mouse, device ID 0
pcm0 not found
fdc0 at 0x3f0-0x3f7 irq 6 drq 2 on isa
fdc0: FIFO enabled, 8 bytes threshold
fd0: 1.44MB 3.5in
wdc0 at 0x1f0-0x1f7 irq 14 on isa
wdc0: unit 0 (wd0): <IBM-DHEA-38451>
wd0: 8063MB (16514064 sectors), 16383 cyls, 16 heads, 63 S/T, 512 B/S
wdc1 at 0x170-0x177 irq 15 on isa
wdc1: unit 0 (atapi): <NEC CD-ROM DRIVE:28B/3.05>, removable, dma, iordy
wcd0: 2412/5512Kb/sec, 256Kb cache, audio play, 256 volume levels, ejectable tray
wcd0: no disc inside, unlocked
npx0 on motherboard
npx0: INT 16 interface
ppc0 at 0x378 irq 7 on isa
ppc0: Generic chipset in PS/2 mode
ppi0: <generic parallel i/o> on ppbus 0
de0: enabling 10baseT port
changing root device to wd0s3a
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