Date: Tue, 10 Oct 2000 06:50:06 -0700 (PDT) From: <wing@mail.stic.gov.tw> To: freebsd-bugs@FreeBSD.org Subject: Re: kern/21831: kernel trap 12 crash in 4.1.1-STABLE Message-ID: <200010101350.GAA20163@freefall.freebsd.org>
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The following reply was made to PR kern/21831; it has been noted by GNATS.
From: <wing@mail.stic.gov.tw>
To: freebsd-gnats-submit@FreeBSD.org
Cc:
Subject: Re: kern/21831: kernel trap 12 crash in 4.1.1-STABLE
Date: Tue, 10 Oct 2000 13:27:11 -0000
>You need to:
>
> a) Provide a dmesg listing from a boot -v of your system
> before the problems began.
%uname -a
FreeBSD camera.stic.gov.tw 4.1.1-STABLE FreeBSD 4.1.1-STABLE #1: Sun Oct 8
21:04:31 GMT 2000 root@camera.stic.gov.tw:/usr/src/sys/compile/camera
i386
%dmesg
Copyright (c) 1992-2000 The FreeBSD Project.
Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994
The Regents of the University of California. All rights reserved.
FreeBSD 4.1.1-STABLE #1: Sun Oct 8 21:04:31 GMT 2000
root@camera.stic.gov.tw:/usr/src/sys/compile/camera
Timecounter "i8254" frequency 1193182 Hz
CPU: Pentium III/Pentium III Xeon/Celeron (598.98-MHz 686-class CPU)
Origin = "GenuineIntel" Id = 0x673 Stepping = 3
Features=0x383fbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,
CMOV,PAT,PSE36,MMX,FXSR,SSE>
real memory = 536858624 (524276K bytes)
avail memory = 519630848 (507452K bytes)
Preloaded elf kernel "kernel" at 0xc030f000.
Pentium Pro MTRR support enabled
npx0: <math processor> on motherboard
npx0: INT 16 interface
pcib0: <Intel 82443BX (440 BX) host to PCI bridge> on motherboard
pci0: <PCI bus> on pcib0
pcib1: <Intel 82443BX (440 BX) PCI-PCI (AGP) bridge> at device 1.0 on pci0
pci1: <PCI bus> on pcib1
pci1: <Matrox MGA G400 AGP graphics accelerator> at 0.0 irq 9
fxp0: <Intel Pro 10/100B/100+ Ethernet> port 0x68e0-0x68ff mem
0xf7600000-0xf76fffff,0xeffff000-0xefffffff irq 14 at device 2.0 on pci0
fxp0: Ethernet address 00:06:29:ee:9f:be
ahc0: <Adaptec aic7895 Ultra SCSI adapter> port 0x7000-0x70ff mem
0xf75fd000-0xf75fdfff irq 10 at device 3.0 on pci0
aic7895C: Wide Channel A, SCSI Id=7, 32/255 SCBs
ahc1: <Adaptec aic7895 Ultra SCSI adapter> port 0x7400-0x74ff mem
0xf75fe000-0xf75fefff irq 10 at device 3.1 on pci0
aic7895C: Wide Channel B, SCSI Id=7, 32/255 SCBs
isab0: <Intel 82371AB PCI to ISA bridge> at device 4.0 on pci0
isa0: <ISA bus> on isab0
atapci0: <Intel PIIX4 ATA33 controller> port 0xfff0-0xffff at device 4.1 on
pci0
ata1: at 0x170 irq 15 on atapci0
pci0: <Intel 82371AB/EB (PIIX4) USB controller> at 4.2 irq 10
chip1: <Intel 82371AB Power management controller> port 0xfe00-0xfe0f at
device 4.3 on pci0
ahc2: <Adaptec 2940 Ultra2 SCSI adapter> port 0x7800-0x78ff mem
0xf75ff000-0xf75fffff irq 14 at device 14.0 on pci0
aic7890/91: Wide Channel A, SCSI Id=7, 32/255 SCBs
xl0: <3Com 3c905C-TX Fast Etherlink XL> port 0x6c00-0x6c7f mem
0xf75fcf80-0xf75fcfff irq 9 at device 16.0 on pci0
xl0: Ethernet address: 00:50:da:8a:6e:08
miibus0: <MII bus> on xl0
xlphy0: <3c905C 10/100 internal PHY> on miibus0
xlphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
fdc0: <NEC 72065B or clone> at port 0x3f0-0x3f5,0x3f7 irq 6 drq 2 on isa0
fdc0: FIFO enabled, 8 bytes threshold
fd0: <1440-KB 3.5" drive> on fdc0 drive 0
atkbdc0: <Keyboard controller (i8042)> at port 0x60,0x64 on isa0
atkbd0: <AT Keyboard> flags 0x1 irq 1 on atkbdc0
kbd0 at atkbd0
vga0: <Generic ISA VGA> at port 0x3c0-0x3df iomem 0xa0000-0xbffff on isa0
sc0: <System console> at flags 0x100 on isa0
sc0: VGA <16 virtual consoles, flags=0x300>
sio0 at port 0x3f8-0x3ff irq 4 flags 0x10 on isa0
sio0: type 16550A
sio1 at port 0x2f8-0x2ff irq 3 on isa0
sio1: type 16550A
ppc0: <Parallel port> at port 0x378-0x37f irq 7 on isa0
ppc0: Generic chipset (ECP/PS2/NIBBLE) in COMPATIBLE mode
ppc0: FIFO with 16/16/8 bytes threshold
ppi0: <Parallel I/O> on ppbus0
plip0: <PLIP network interface> on ppbus0
lpt0: <Printer> on ppbus0
lpt0: Interrupt-driven port
acd0: CDROM <LTN403> at ata1-master using PIO4
Waiting 5 seconds for SCSI devices to settle
da3 at ahc2 bus 0 target 6 lun 0
da3: <Proware 5960RN > Fixed Direct Access SCSI-2 device
da3: 40.000MB/s transfers (20.000MHz, offset 31, 16bit), Tagged Queueing
Enabled
da3: 208384MB (426770432 512 byte sectors: 255H 63S/T 26565C)
da0 at ahc0 bus 0 target 0 lun 0
da0: <IBM DMVS36V 0100> Fixed Direct Access SCSI-3 device
da0: 40.000MB/s transfers (20.000MHz, offset 8, 16bit), Tagged Queueing
Enabled
da0: 35003MB (71687340 512 byte sectors: 255H 63S/T 4462C)
da1 at ahc0 bus 0 target 1 lun 0
da1: <IBM DMVS36V 0100> Fixed Direct Access SCSI-3 device
da1: 40.000MB/s transfers (20.000MHz, offset 8, 16bit), Tagged Queueing
Enabled
da1: 35003MB (71687340 512 byte sectors: 255H 63S/T 4462C)
da2 at ahc1 bus 0 target 9 lun 0
da2: <Proware 5960RN > Fixed Direct Access SCSI-2 device
da2: 20.000MB/s transfers (10.000MHz, offset 8, 16bit), Tagged Queueing
Enabled
da2: 208384MB (426770432 512 byte sectors: 255H 63S/T 26565C)
>b) Perform an nm /kernel | sort and locate the function that
> contains the instruction 0xc01f7758.
> nm /kernel | sort | grep c01f7
c01f7464 t ffs_indirtrunc
c01f771c t acquire_lock
c01f776c t free_lock
c01f7794 t acquire_lock_interlocked
c01f77d8 t free_lock_interlocked
c01f77fc t sema_init
c01f7828 t sema_get
c01f7894 t sema_release
c01f78d8 t worklist_insert
c01f7924 t worklist_remove
c01f7974 t workitem_free
c01f79b4 t add_to_worklist
c01f7a1c t softdep_process_worklist
c01f7c20 t softdep_move_dependencies
c01f7cd0 T softdep_flushfiles
c01f7e40 t pagedep_lookup
c01f7f94 t inodedep_lookup
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