Date: Thu, 12 Oct 2000 02:00:02 -0700 (PDT) From: "Biing Jong Lin" <bjlin@mail.stic.gov.tw> To: freebsd-bugs@FreeBSD.org Subject: Re: kern/21831: kernel trap 12 crash in 4.1.1-STABLE Message-ID: <200010120900.CAA03913@freefall.freebsd.org>
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The following reply was made to PR kern/21831; it has been noted by GNATS.
From: "Biing Jong Lin" <bjlin@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: Thu, 12 Oct 2000 16:55:50 +0800
I've just recompiled kernel with DDB option, here is the pr update:
ahc0:A:0: ahc_intr - referenced scb not valid during seqint 0x73 scb (29)
ahc0: WARNING no command for scb 29 (cmdcmplt)
QOUTPOS: 100
Fault Virtual Address: 0x0
Fault Code: supervisor read, page not present.
Instruction Pointer: 0x8, 0xc01330fd
Stack Pointer: 0x10, 0xd5e46e90
Frame Pointer: 0x10, 0xd5e46ea0
Code Segement: base 0x0,limit 0xfffff type 0x1b
: DPL 0,pres 1,def 32 1, gran 1
Processir eflags: int enabled, resume, IOPL=0
Current process: 562 (cc1)
interrupt mask: cam
trap number : type 12,code = 0
stop at: ahc_match_scb+0x15: movl 0(%edi),%eax
db>trace
ahc_match_scb(c14c9400,0,0,41,0,ff,0) at ahc_match_scb+0x15
ahc_search_qinfifo(c14c9400,0,41,0,ff) at ahc_search_qinfifo+0xef
ahc_freeze_devq(c14c9400,c14d63a8)at ahc_freeze_devq+0x5d
ahc_handle_seqint(c14c9400,6c4400,81ff8e0,9,bfbfa898) at
ahc_handle_seqint+0x148
ahc_freebsd_intr(c14c9400,6c4400,81ff8e0,9,bfbfa898 at ahc_freebsd_intr+0x94
intr_mux(c1039760,0,2f,2f,2f) at intr_mux+0x1d)
Xresume10() at Xresume10+0x2b
--interrupt, eip: 0x814383c, esp=0xd5e46fe0, ebp=0xbfbfa898
> nm /kernel | sort | grep c0133
c0133088 t ahc_busy_tcl
c01330e8 t ahc_match_scb
c01331dc T ahc_freeze_devq
c0133240 t ahc_qinfifo_requeue
c0133298 T ahc_search_qinfifo
c013371c T ahc_search_disc_list
c0133840 t ahc_rem_scb_from_disc_list
c01338b0 t ahc_add_curscb_to_free_list
c01338e8 t ahc_rem_wscb
c013397c t ahc_abort_scbs
c0133c60 t ahc_reset_current_bus
c0133ca8 T ahc_reset_channel
c0133ff0 t ahc_calc_residual
> uname -a
FreeBSD camera.stic.gov.tw 4.1.1-STABLE FreeBSD 4.1.1-STABLE #2: Wed Oct 11
11:32:54 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 #2: Wed Oct 11 11:32:54 GMT 2000
root@camera.stic.gov.tw:/usr/src/sys/compile/camera
Timecounter "i8254" frequency 1193182 Hz
Timecounter "TSC" frequency 598980154 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,
CM
OV,PAT,PSE36,MMX,FXSR,SSE>
real memory = 536858624 (524276K bytes)
avail memory = 519692288 (507512K bytes)
Preloaded elf kernel "kernel" at 0xc0301000.
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
0xf7600000-0xf76f
ffff,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
0xf75fd000-0xf
75fdfff 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
0xf75fe000-0xf
75fefff 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
0xf75ff000-0xf75
fffff 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
0xf75fcf80-0xf75f
cfff 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
plip0: <PLIP network interface> on ppbus0
lpt0: <Printer> on ppbus0
lpt0: Interrupt-driven port
ppi0: <Parallel I/O> on ppbus0
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)
kernel config:
machine i386
cpu I686_CPU
ident camera
maxusers 64
#makeoptions DEBUG=-g #Build kernel with gdb(1) debug
symbols
makeoptions COPTFLAGS="-O2 -pipe"
options MATH_EMULATE #Support for x87 emulation
options INET #InterNETworking
options FFS #Berkeley Fast Filesystem
options FFS_ROOT #FFS usable as root device [keep
this!]
options SOFTUPDATES #Enable FFS soft updates support
options NFS #Network Filesystem
options CD9660 #ISO 9660 Filesystem
options PROCFS #Process filesystem
options COMPAT_43 #Compatible with BSD 4.3 [KEEP
THIS!]
options SCSI_DELAY=5000 #Delay (in ms) before probing SCSI
options UCONSOLE #Allow users to grab the console
options USERCONFIG #boot -c editor
options VISUAL_USERCONFIG #visual boot -c editor
options KTRACE #ktrace(1) support
options SYSVSHM #SYSV-style shared memory
options SYSVMSG #SYSV-style message queues
options SYSVSEM #SYSV-style semaphores
options P1003_1B #Posix P1003_1B real-time extensions
options _KPOSIX_PRIORITY_SCHEDULING
options ICMP_BANDLIM #Rate limit bad replies
options KBD_INSTALL_CDEV # install a CDEV entry in /dev
# To make an SMP kernel, the next two are needed
#options SMP # Symmetric MultiProcessor Kernel
#options APIC_IO # Symmetric (APIC) I/O
# Optionally these may need tweaked, (defaults shown):
#options NCPU=2 # number of CPUs
#options NBUS=4 # number of busses
#options NAPIC=1 # number of IO APICs
#options NINTR=24 # number of INTs
#
# Enable the kernel debugger.
#
options DDB
device isa
device pci
# Floppy drives
device fdc0 at isa? port IO_FD1 irq 6 drq 2
device fd0 at fdc0 drive 0
device fd1 at fdc0 drive 1
# ATA and ATAPI devices
device ata0 at isa? port IO_WD1 irq 14
device ata1 at isa? port IO_WD2 irq 15
device ata
device atadisk # ATA disk drives
device atapicd # ATAPI CDROM drives
device atapifd # ATAPI floppy drives
device atapist # ATAPI tape drives
options ATA_STATIC_ID #Static device numbering
#options ATA_ENABLE_ATAPI_DMA #Enable DMA on ATAPI devices
# SCSI Controllers
device ahc # AHA2940 and onboard AIC7xxx devices
# SCSI peripherals
device scbus # SCSI bus (required)
device da # Direct Access (disks)
#device sa # Sequential Access (tape etc)
device cd # CD
device pass # Passthrough device (direct SCSI access)
# atkbdc0 controls both the keyboard and the PS/2 mouse
device atkbdc0 at isa? port IO_KBD
device atkbd0 at atkbdc? irq 1 flags 0x1
device psm0 at atkbdc? irq 12
device vga0 at isa?
# splash screen/screen saver
pseudo-device splash
# syscons is the default console driver, resembling an SCO console
device sc0 at isa? flags 0x100
# Enable this and PCVT_FREEBSD for pcvt vt220 compatible console driver
#device vt0 at isa?
#options XSERVER # support for X server on a vt
console
#options FAT_CURSOR # start with block cursor
# If you have a ThinkPAD, uncomment this along with the rest of the PCVT
lines
#options PCVT_SCANSET=2 # IBM keyboards are non-std
# Floating point support - do not disable.
device npx0 at nexus? port IO_NPX irq 13
# Power management support (see LINT for more options)
#device apm0 at nexus? disable flags 0x20 # Advanced Power
Management
# PCCARD (PCMCIA) support
#device card
#device pcic0 at isa? irq 10 port 0x3e0 iomem 0xd0000
#device pcic1 at isa? irq 11 port 0x3e2 iomem 0xd4000 disable
# Serial (COM) ports
device sio0 at isa? port IO_COM1 flags 0x10 irq 4
device sio1 at isa? port IO_COM2 irq 3
device sio2 at isa? disable port IO_COM3 irq 5
device sio3 at isa? disable port IO_COM4 irq 9
# Parallel port
device ppc0 at isa? irq 7
device ppbus # Parallel port bus (required)
device lpt # Printer
device plip # TCP/IP over parallel
device ppi # Parallel port interface device
#device vpo # Requires scbus and da
# PCI Ethernet NICs.
device fxp # Intel EtherExpress PRO/100B (82557, 82558)
# PCI Ethernet NICs that use the common MII bus controller code.
device miibus # MII bus support
device xl # 3Com 3c90x (``Boomerang'', ``Cyclone'')
# Pseudo devices - the number indicates how many units to allocated.
pseudo-device loop # Network loopback
pseudo-device ether # Ethernet support
pseudo-device tun # Packet tunnel.
pseudo-device pty # Pseudo-ttys (telnet etc)
# The `bpf' pseudo-device enables the Berkeley Packet Filter.
# Be aware of the administrative consequences of enabling this!
pseudo-device bpf 4 #Berkeley packet filter
pseudo-device snp 4
options TCP_DROP_SYNFIN
options TCP_RESTRICT_RST
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