Justin just applied a patch to -current that I believe is meant to fix
this *exact* problem ... I've hit it here too, but under -current ... if
it works there, I imagine it will get MFC'd down ...
On Sat, 7 Oct 2000, Steven Farmer wrote:
> My 4.1.1-STABLE box died in the ahc driver today while running dump.
> After some poking around, I discovered that I can kill it reliably by
> running "ls -lR /". The kernel was built after cvsuping today. A
> kernel a week older does not have the problem. My hand transcription
> of the first half of the console messages are shown below (sorry, I
> got writers cramp - if more is needed I'll try again), along with my
> dmesg and kernel config file.
>
> ahc0:A:1 ahc_intr - referenced scb not valid during seqint 0x71 scb(70)
> ahc0: WARNING no command for scb 70 (cmdcmplt)
> QOUTPOS = 64
>
> Fatal trap 12: page fault while in kernel mode
> fault virtual address = 0x0
> fault code = supervisor read, page not present
> instruction pointer = 0x8:0xc013a730
> stack pointer = 0x10:0xc7dd6cfc
> frame pointer = 0x10:0xc7dd6d0c
> 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 = 5 (syncer)
> interrupt mask = bio cam
> kernel i type 12 trap, code = 0
> Stopped at ahc_match_scb+0x18: movl 0(%esi),%eax
> db> trace
> ahc_match_scb(c0a28800,0,1,41,0,ff,0) at ahc_match_scb+0x18
> ahc_search_quinfifo(c0a28800,1,41,0,ff) at ahc_search_quinfifo+0xf7
> ahc_freeze_devq(c0a28800,c0a2e5e4) at ahc_freeze_devq+0x5d
> ahc_handle_seqint(c0a28800,71) at ahc_handle_seqint+0x135
> ahc_freebsd_intr(c0a28800,6c0400,c0313b80,ce008000,c7dd6e5c) at ahc_freebsd_intr+0x97
>
> 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: Thu Oct 5 17:45:53 CDT 2000
> [EMAIL PROTECTED]:/usr/src/sys/compile/CATBERT
> Timecounter "i8254" frequency 1193182 Hz
> CPU: Pentium Pro (199.43-MHz 686-class CPU)
> Origin = "GenuineIntel" Id = 0x619 Stepping = 9
> Features=0xf9ff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,SEP,MTRR,PGE,MCA,CMOV>
> real memory = 134217728 (131072K bytes)
> avail memory = 127238144 (124256K bytes)
> Pentium Pro MTRR support enabled
> md0: Malloc disk
> npx0: <math processor> on motherboard
> npx0: INT 16 interface
> pcib0: <Host to PCI bridge> on motherboard
> pci0: <PCI bus> on pcib0
> isab0: <Intel 82371SB PCI to ISA bridge> at device 7.0 on pci0
> isa0: <ISA bus> on isab0
> pci0: <Intel PIIX3 ATA controller> at 7.1
> pci0: <Matrox MGA Millennium 2064W graphics accelerator> at 11.0 irq 11
> ahc0: <Adaptec 2940 Ultra SCSI adapter> port 0xf800-0xf8ff mem 0xffbe9000-0xffbe9fff
>irq 10 at device 15.0 on pci0
> aic7880: Wide Channel A, SCSI Id=7, 16/255 SCBs
> sym0: <810a> port 0xfc00-0xfcff mem 0xffbebc00-0xffbebcff irq 10 at device 17.0 on
>pci0
> sym0: No NVRAM, ID 7, Fast-10, SE, parity checking
> isa0: too many dependant configs (8)
> isa0: unexpected small tag 14
> 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> irq 1 on atkbdc0
> psm0: <PS/2 Mouse> irq 12 on atkbdc0
> psm0: model Generic PS/2 mouse, device ID 0
> vga0: <Generic ISA VGA> at port 0x3c0-0x3df iomem 0xa0000-0xbffff on isa0
> sc0: <System console> on isa0
> sc0: VGA <16 virtual consoles, flags=0x200>
> sio0 at port 0x3f8-0x3ff irq 4 flags 0x10 on isa0
> sio0: type 16550A
> sio3 at port 0x2e8-0x2ef irq 3 on isa0
> sio3: type 16550A
> ppc0: <Parallel port> at port 0x378-0x37f irq 7 on isa0
> ppc0: Generic chipset (NIBBLE-only) in COMPATIBLE mode
> lpt0: <Printer> on ppbus0
> lpt0: Interrupt-driven port
> ed0 at port 0x280-0x29f iomem 0xd8000-0xd9fff irq 5 on isa0
> ed0: address 00:00:c0:25:72:e2, type SMC8416C/SMC8416BT (16 bit)
> sbc0: <Creative SB AWE64> at port 0x220-0x22f,0x300-0x301,0x388-0x38b irq 9 drq 0,5
>on isa0
> sbc0: setting card to irq 9, drq 0, 5
> pcm0: <SB DSP 4.16> on sbc0
> joy0: <Generic PnP Joystick> at port 0x200-0x207 on isa0
> IP packet filtering initialized, divert enabled, rule-based forwarding enabled,
>default to deny, logging limited to 100 packets/entry by default
> Waiting 5 seconds for SCSI devices to settle
> sa0 at ahc0 bus 0 target 4 lun 0
> sa0: <CONNER CTT8000-S 1.17> Removable Sequential Access SCSI-2 device
> sa0: 5.000MB/s transfers (5.000MHz, offset 15)
> sa1 at sym0 bus 0 target 5 lun 0
> sa1: <EXABYTE EXB-850085QANXRC 06X0> Removable Sequential Access SCSI-2 device
> sa1: 4.032MB/s transfers (4.032MHz, offset 8)
> da1 at ahc0 bus 0 target 1 lun 0
> da1: <QUANTUM VIKING II 9.1WSE 4110> Fixed Direct Access SCSI-2 device
> da1: 40.000MB/s transfers (20.000MHz, offset 8, 16bit)
> da1: 8709MB (17836668 512 byte sectors: 255H 63S/T 1110C)
> Mounting root from ufs:da1s1a
> cd0 at ahc0 bus 0 target 5 lun 0
> cd0: <NEC CD-ROM DRIVE:462 1.14> Removable CD-ROM SCSI-2 device
> cd0: 10.000MB/s transfers (10.000MHz, offset 15)
> cd0: Attempt to query device size failed: NOT READY, Medium not present
> WARNING: / was not properly dismounted
> da0 at ahc0 bus 0 target 0 lun 0
> da0: <WDIGTL WDE2170-1807A1 1.44> Fixed Direct Access SCSI-2 device
> da0: 40.000MB/s transfers (20.000MHz, offset 8, 16bit)
> da0: 2047MB (4194057 512 byte sectors: 255H 63S/T 261C)
> cd1 at sym0 bus 0 target 6 lun 0
> cd1: <YAMAHA CRW6416S 1.0b> Removable CD-ROM SCSI-2 device
> cd1: 10.000MB/s transfers (10.000MHz, offset 8)
> cd1: cd present [4294911071 x 2048 byte records]
>
> machine i386
> cpu I686_CPU
> ident CATBERT
> maxusers 32
>
> makeoptions DEBUG=-g #Build kernel with gdb(1) debug symbols
> makeoptions KERNEL=kernel
> options DDB #Enable kernel debugger
>
> #options MATH_EMULATE #Support for x87 emulation
> options INET #InterNETworking
> options INET6 #IPv6 communications protocols
> options FFS #Berkeley Fast Filesystem
> options FFS_ROOT #FFS usable as root device [keep this!]
> options MFS #Memory Filesystem
> options MD_ROOT #MD is a potential root device
> options NFS #Network Filesystem
> options NFS_ROOT #NFS usable as root device, NFS required
> options MSDOSFS #MSDOS Filesystem
> options CD9660 #ISO 9660 Filesystem
> options CD9660_ROOT #CD-ROM usable as root, CD9660 required
> 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 extentions
> options _KPOSIX_PRIORITY_SCHEDULING
> options ICMP_BANDLIM #Rate limit bad replies
> options SOFTUPDATES #
>
> device isa
> device eisa
> device pci
>
> # Floppy drives
> device fdc0 at isa? port IO_FD1 irq 6 drq 2
> device fd0 at fdc0 drive 0
>
> # 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 ahc0 # AHA2940 and onboard AIC7xxx devices
> device sym0 # NCR/Symbios Logic (newer chipsets)
>
> # 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)
>
> # My actual SCSI devices
> device scbus0 at ahc0
> device da0 at scbus0 target 0
> device da1 at scbus0 target 1
> device sa0 at scbus0 target 4
> device cd0 at scbus0 target 5
>
> device scbus1 at sym0
> device sa1 at scbus1 target 5
> device cd1 at scbus1 target 6
>
> # atkbdc0 controls both the keyboard and the PS/2 mouse
> device atkbdc0 at isa? port IO_KBD
> device atkbd0 at atkbdc? irq 1
> device psm0 at atkbdc? irq 12
>
> # SOUND
> device pcm
> device sbc
> device joy
>
> # VGA controller
> 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?
>
> # Floating point support - do not disable.
> device npx0 at nexus? port IO_NPX irq 13
>
> # Advanced Power Management
> #device apm0 at nexus? # disable flags 0x20
>
> # Serial (COM) ports
> device sio0 at isa? port IO_COM1 flags 0x10 irq 4
> device sio1 at isa? disable port IO_COM2 irq 3
> device sio2 at isa? disable port IO_COM3 irq 5
> device sio3 at isa? port IO_COM4 irq 3
>
> # Parallel port
> device ppc0 at isa? irq 7
> device ppbus # Parallel port bus (required)
> device lpt # Printer
>
> # ISA Ethernet NICs.
> device ed0 at isa? port 0x280 irq 5 iomem 0xd8000
>
> # Pseudo devices - the number indicates how many units to allocated.
> pseudo-device loop # Network loopback
> pseudo-device ether # Ethernet support
> pseudo-device ppp 1 # Kernel PPP
> pseudo-device tun # Packet tunnel.
> pseudo-device pty # Pseudo-ttys (telnet etc)
> pseudo-device md # Memory "disks"
> pseudo-device gif 4 # IPv6 and IPv4 tunneling
> pseudo-device faith 1 # IPv6-to-IPv4 relaying (translation)
>
> # The `bpf' pseudo-device enables the Berkeley Packet Filter.
> # Be aware of the administrative consequences of enabling this!
> pseudo-device bpf #Berkeley packet filter
>
> # Firewall stuff...
> options IPFIREWALL # firewall
> options IPFIREWALL_VERBOSE # print information about
> # dropped packets
> options IPFIREWALL_FORWARD # enable transparent proxy support
> options IPFIREWALL_VERBOSE_LIMIT=100 #limit verbosity
> options IPDIVERT # divert sockets
> options TCP_DROP_SYNFIN # drop TCP packets with SYN+FIN
> options TCP_RESTRICT_RST # restrict emission of TCP RST
>
>
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>
>
Marc G. Fournier [EMAIL PROTECTED]
Systems Administrator @ hub.org
scrappy@{postgresql|isc}.org ICQ#7615664
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