> I was running 7.0-BETA4 and had problems with SEG_FAULT 12 in g_up so I
> rebuilt a stock GENERIC kernel with these additional options:
>
>
>
> options KDB
>
> option DDB
>
> options INVARIANTS
>
> options INVARIANT_SUPPORT
>
> options WITNESS
>
> options DEBUG_LOCKS
>
> options DEBUG_VFS_LOCKS
>
> options DIAGNOSTIC
>
>
>
> Here is the build date:
>
>
>
> FreeBSD charon.confluentasp.com 7.0-BETA4 FreeBSD 7.0-BETA4 #6: Tue Dec
> 11 09:05:50 EST 2007
> mikej@charon.confluentasp.com:/usr/obj/usr/src/sys/CHARON i386
>
> (I cvsup'd source on this day just prior to kernel build - tag=RELENG_7)
>
>
>
> Now when my SCSI array is plugged into the AHA-2944 controller the
> kernel panics on boot. If the array is not plugged
>
> into the controller the system boots and runs fine.
>
>
>
> I've read the handbook and tried to follow what posts I read as to what
> would be of use in trouble shooting this.
>
> Please don't shoot the messenger. I'll be glad to supply and additional
> information - this box is not in production
>
> so I'm willing to try anything.
>
>
>
> Just to note, the controller and array had been in production under
> 6.2-RELEASE and prior versions and has been running
>
> for years without any problems.
>
>
>
> Thanks.
>
>
>
> --mikej
>
>
>
> KDB: debugger backends: ddb
>
> KDB: current backend: ddb
>
> Copyright (c) 1992-2007 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 is a registered trademark of The FreeBSD Foundation.
>
> FreeBSD 7.0-BETA4 #6: Tue Dec 11 09:05:50 EST 2007
>
> mikej@charon.confluentasp.com:/usr/obj/usr/src/sys/CHARON
>
> WARNING: WITNESS option enabled, expect reduced performance.
>
> WARNING: DIAGNOSTIC option enabled, expect reduced performance.
>
> Timecounter "i8254" frequency 1193182 Hz quality 0
>
> CPU: Mobile AMD Sempron(tm) Processor 3000+ (1799.81-MHz 686-class CPU)
>
> Origin = "AuthenticAMD" Id = 0x20fc2 Stepping = 2
>
>
> Features=0x78bfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,
> MCA,CMOV,PAT,PSE36,CLFLUSH,MMX,FXSR,SSE,SSE2>
>
> Features2=0x1<SSE3>
>
> AMD Features=0xc2500800<SYSCALL,NX,MMX+,FFXSR,3DNow!+,3DNow!>
>
> AMD Features2=0x1<LAHF>
>
> real memory = 1005453312 (958 MB)
>
> avail memory = 969691136 (924 MB)
>
> ACPI APIC Table: <VIAK8M AWRDACPI>
>
> WITNESS: spin lock intrcnt not in order list
>
> ioapic0 <Version 0.3> irqs 0-23 on motherboard
>
> kbd1 at kbdmux0
>
> ath_hal: 0.9.20.3 (AR5210, AR5211, AR5212, RF5111, RF5112, RF2413,
> RF5413)
>
> acpi0: <VIAK8M AWRDACPI> on motherboard
>
> acpi0: [ITHREAD]
>
> acpi0: Power Button (fixed)
>
> acpi0: reservation of 0, a0000 (3) failed
>
> acpi0: reservation of 100000, 3bde0000 (3) failed
>
> Timecounter "ACPI-fast" frequency 3579545 Hz quality 1000
>
> acpi_timer0: <24-bit timer at 3.579545MHz> port 0x4008-0x400b on acpi0
>
> cpu0: <ACPI CPU> on acpi0
>
> powernow0: <PowerNow! K8> on cpu0
>
> acpi_button0: <Power Button> on acpi0
>
> acpi_button1: <Sleep Button> on acpi0
>
> pcib0: <ACPI Host-PCI bridge> port 0xcf8-0xcff on acpi0
>
> pci0: <ACPI PCI bus> on pcib0
>
> agp0: <VIA 8380 host to PCI bridge> on hostb0
>
> pcib1: <PCI-PCI bridge> at device 1.0 on pci0
>
> pci1: <PCI bus> on pcib1
>
> vgapci0: <VGA-compatible display> mem
> 0xf0000000-0xf3ffffff,0xf4000000-0xf4ffffff irq 16 at device 0.0 on pci1
>
> pcib2: <PCI-PCI bridge> at device 8.0 on pci0
>
> pci2: <PCI bus> on pcib2
>
> ahc0: <Adaptec 4944 Ultra SCSI adapter> port 0xc000-0xc0ff mem
> 0xf6013000-0xf6013fff irq 16 at device 4.0 on pci2
>
> ahc0: [ITHREAD]
>
> aic7880: Ultra Wide Channel A, SCSI Id=7, 16/253 SCBs
>
> ahc1: <Adaptec 4944 Ultra SCSI adapter> port 0xc400-0xc4ff mem
> 0xf6010000-0xf6010fff irq 17 at device 5.0 on pci2
>
> ahc1: [ITHREAD]
>
> aic7880: Ultra Wide Channel A, SCSI Id=7, 16/253 SCBs
>
> ahc2: <Adaptec 4944 Ultra SCSI adapter> port 0xc800-0xc8ff mem
> 0xf6011000-0xf6011fff irq 18 at device 6.0 on pci2
>
> ahc2: [ITHREAD]
>
> aic7880: Ultra Wide Channel A, SCSI Id=7, 16/253 SCBs
>
> ahc3: <Adaptec 4944 Ultra SCSI adapter> port 0xcc00-0xccff mem
> 0xf6012000-0xf6012fff irq 19 at device 7.0 on pci2
>
> ahc3: [ITHREAD]
>
> aic7880: Ultra Wide Channel A, SCSI Id=7, 16/253 SCBs
>
> atapci0: <VIA 6420 SATA150 controller> port
> 0xe100-0xe107,0xe700-0xe703,0xe800-0xe807,0xe900-0xe903,0xe000-0xe00f,0x
> d000-0xd0ff irq 20 at device 15.0 on pci0
>
> atapci0: [ITHREAD]
>
> ata2: <ATA channel 0> on atapci0
>
> ata2: [ITHREAD]
>
> ata3: <ATA channel 1> on atapci0
>
> ata3: [ITHREAD]
>
> atapci1: <VIA 8237 UDMA133 controller> port
> 0x1f0-0x1f7,0x3f6,0x170-0x177,0x376,0xe200-0xe20f at device 15.1 on pci0
>
> ata0: <ATA channel 0> on atapci1
>
> ata0: [ITHREAD]
>
> ata1: <ATA channel 1> on atapci1
>
> ata1: [ITHREAD]
>
> uhci0: <VIA 83C572 USB controller> port 0xe300-0xe31f irq 21 at device
> 16.0 on pci0
>
> uhci0: [GIANT-LOCKED]
>
> uhci0: [ITHREAD]
>
> usb0: <VIA 83C572 USB controller> on uhci0
>
> usb0: USB revision 1.0
>
> uhub0: <VIA UHCI root hub, class 9/0, rev 1.00/1.00, addr 1> on usb0
>
> uhub0: 2 ports with 2 removable, self powered
>
> uhci1: <VIA 83C572 USB controller> port 0xe400-0xe41f irq 21 at device
> 16.1 on pci0
>
> uhci1: [GIANT-LOCKED]
>
> uhci1: [ITHREAD]
>
> usb1: <VIA 83C572 USB controller> on uhci1
>
> usb1: USB revision 1.0
>
> uhub1: <VIA UHCI root hub, class 9/0, rev 1.00/1.00, addr 1> on usb1
>
> uhub1: 2 ports with 2 removable, self powered
>
> uhci2: <VIA 83C572 USB controller> port 0xe500-0xe51f irq 21 at device
> 16.2 on pci0
>
> uhci2: [GIANT-LOCKED]
>
> uhci2: [ITHREAD]
>
> usb2: <VIA 83C572 USB controller> on uhci2
>
> usb2: USB revision 1.0
>
> uhub2: <VIA UHCI root hub, class 9/0, rev 1.00/1.00, addr 1> on usb2
>
> uhub2: 2 ports with 2 removable, self powered
>
> uhci3: <VIA 83C572 USB controller> port 0xe600-0xe61f irq 21 at device
> 16.3 on pci0
>
> uhci3: [GIANT-LOCKED]
>
> uhci3: [ITHREAD]
>
> usb3: <VIA 83C572 USB controller> on uhci3
>
> usb3: USB revision 1.0
>
> uhub3: <VIA UHCI root hub, class 9/0, rev 1.00/1.00, addr 1> on usb3
>
> uhub3: 2 ports with 2 removable, self powered
>
> ehci0: <VIA VT6202 USB 2.0 controller> mem 0xf6100000-0xf61000ff irq 21
> at device 16.4 on pci0
>
> ehci0: [GIANT-LOCKED]
>
> ehci0: [ITHREAD]
>
> usb4: EHCI version 1.0
>
> usb4: companion controllers, 2 ports each: usb0 usb1 usb2 usb3
>
> usb4: <VIA VT6202 USB 2.0 controller> on ehci0
>
> usb4: USB revision 2.0
>
> uhub4: <VIA EHCI root hub, class 9/0, rev 2.00/1.00, addr 1> on usb4
>
> uhub4: 8 ports with 8 removable, self powered
>
> isab0: <PCI-ISA bridge> at device 17.0 on pci0
>
> isa0: <ISA bus> on isab0
>
> pci0: <multimedia, audio> at device 17.5 (no driver attached)
>
> vr0: <VIA VT6102 Rhine II 10/100BaseTX> port 0xdc00-0xdcff mem
> 0xf6101000-0xf61010ff irq 23 at device 18.0 on pci0
>
> vr0: Quirks: 0x0
>
> miibus0: <MII bus> on vr0
>
> rlphy0: <RTL8201L 10/100 media interface> PHY 1 on miibus0
>
> rlphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
>
> vr0: using obsoleted if_watchdog interface
>
> vr0: Ethernet address: 00:e0:4d:0a:1b:e6
>
> vr0: [ITHREAD]
>
> acpi_tz0: <Thermal Zone> on acpi0
>
> fdc0: <floppy drive controller> port 0x3f0-0x3f5,0x3f7 irq 6 drq 2 on
> acpi0
>
> fdc0: [FILTER]
>
> fd0: <1440-KB 3.5" drive> on fdc0 drive 0
>
> sio0: configured irq 4 not in bitmap of probed irqs 0
>
> sio0: port may not be enabled
>
> sio0: configured irq 4 not in bitmap of probed irqs 0
>
> sio0: port may not be enabled
>
> sio0: <16550A-compatible COM port> port 0x3f8-0x3ff irq 4 flags 0x10 on
> acpi0
>
> sio0: type 16550A, console
>
> sio0: [FILTER]
>
> atkbdc0: <Keyboard controller (i8042)> port 0x60,0x64 irq 1 on acpi0
>
> atkbd0: <AT Keyboard> irq 1 on atkbdc0
>
> kbd0 at atkbd0
>
> atkbd0: [GIANT-LOCKED]
>
> atkbd0: [ITHREAD]
>
> psm0: <PS/2 Mouse> irq 12 on atkbdc0
>
> psm0: [GIANT-LOCKED]
>
> psm0: [ITHREAD]
>
> psm0: model IntelliMouse, device ID 3
>
> pmtimer0 on isa0
>
> orm0: <ISA Option ROM> at iomem 0xcc000-0xcc7ff pnpid ORM0000 on isa0
>
> ppc0: <Parallel port> at port 0x378-0x37f irq 7 on isa0
>
> ppc0: Generic chipset (NIBBLE-only) in COMPATIBLE mode
>
> ppbus0: <Parallel port bus> on ppc0
>
> lpt0: <Printer> on ppbus0
>
> lpt0: Interrupt-driven port
>
> ppi0: <Parallel I/O> on ppbus0
>
> plip0: <PLIP network interface> on ppbus0
>
> ppc0: [GIANT-LOCKED]
>
> ppc0: [ITHREAD]
>
> sc0: <System console> at flags 0x100 on isa0
>
> sc0: VGA <16 virtual consoles, flags=0x300>
>
> sio1: configured irq 3 not in bitmap of probed irqs 0
>
> sio1: port may not be enabled
>
> vga0: <Generic ISA VGA> at port 0x3c0-0x3df iomem 0xa0000-0xbffff on
> isa0
>
> Timecounter "TSC" frequency 1799808459 Hz quality 800
>
> Timecounters tick every 1.000 msec
>
> Waiting 5 seconds for SCSI devices to settle
>
> ad4: 381554MB <WDC WD4000AAKS-00TMA0 12.01C01> at ata2-master SATA150
>
> suspending ithread with the following locks held:
>
> exclusive sleep mutex XPT lock r = 0 (0xc0b883a4) locked @
> /usr/src/sys/cam/cam_xpt.c:3852
>
> panic: witness_warn
>
> cpuid = 0
>
> KDB: enter: panic
>
> [thread pid 18 tid 100016 ]
>
> Stopped at kdb_enter+0x32: leave
>
> db> ps
>
> pid ppid pgrp uid state wmesg wchan cmd
>
> 53 0 0 0 SL waiting_ 0xc0c084cc [sctp_iterator]
>
> 52 0 0 0 WL [irq7: ppc0]
>
> 51 0 0 0 WL [irq12: psm0]
>
> 50 0 0 0 WL [irq1: atkbd0]
>
> 49 0 0 0 WL [swi0: sio]
>
> 48 0 0 0 SL - 0xc401f23c [fdc0]
>
> 47 0 0 0 SL cooling 0xc3fedad4 [acpi_cooling0]
>
> 46 0 0 0 SL tzpoll 0xc0d85d40 [acpi_thermal]
>
> 45 0 0 0 WL [irq23: vr0]
>
> 44 0 0 0 SL usbevt 0xc3fe4210 [usb4]
>
> 43 0 0 0 SL usbevt 0xc3ffb210 [usb3]
>
> 42 0 0 0 SL usbevt 0xc3ff5210 [usb2]
>
> 41 0 0 0 SL usbevt 0xc3fee210 [usb1]
>
> 40 0 0 0 SL usbtsk 0xc0bb7174 [usbtask-dr]
>
> 39 0 0 0 SL usbtsk 0xc0bb7160 [usbtask-hc]
>
> 38 0 0 0 SL usbevt 0xc3fc8210 [usb0]
>
> 37 0 0 0 WL [irq21: uhci0
> uhci*]
>
> 36 0 0 0 WL [irq15: ata1]
>
> 35 0 0 0 WL [irq14: ata0]
>
> --More--
>
>
>
> 34 0 0 0 WL [irq20: atapci0]
>
> 33 0 0 0 SL idle 0xc3ef1e00 [aic_recovery3]
>
> 32 0 0 0 RL [irq19: ahc3]
>
> 31 0 0 0 SL idle 0xc3ef1e00 [aic_recovery3]
>
> 30 0 0 0 SL idle 0xc3ef1400 [aic_recovery2]
>
> 29 0 0 0 RL [irq18: ahc2]
>
> 28 0 0 0 SL idle 0xc3ef1400 [aic_recovery2]
>
> 27 0 0 0 SL idle 0xc3ef0a00 [aic_recovery1]
>
> 26 0 0 0 RL [irq17: ahc1]
>
> 25 0 0 0 SL idle 0xc3ef0a00 [aic_recovery1]
>
> 24 0 0 0 SL idle 0xc3ef0c00 [aic_recovery0]
>
> 23 0 0 0 WL [irq16: ahc0]
>
> 22 0 0 0 SL idle 0xc3ef0c00 [aic_recovery0]
>
> 21 0 0 0 WL [irq9: acpi0]
>
> 20 0 0 0 SL - 0xc3ed9580 [thread taskq]
>
> 19 0 0 0 WL [swi5: +]
>
> 18 0 0 0 RL CPU 0 [swi2: cambio]
>
> 9 0 0 0 SL ccb_scan 0xc0b88374 [xpt_thrd]
>
> 8 0 0 0 SL - 0xc3ed9900 [acpi_task_2]
>
> 7 0 0 0 SL - 0xc3ed9900 [acpi_task_1]
>
> --More--
>
>
>
> 6 0 0 0 SL - 0xc3ed9900 [acpi_task_0]
>
> 5 0 0 0 SL - 0xc3ed9980 [kqueue taskq]
>
> 17 0 0 0 WL [swi6: task queue]
>
> 16 0 0 0 WL [swi6: Giant taskq]
>
> 15 0 0 0 SL - 0xc0bb94d4 [yarrow]
>
> 4 0 0 0 SL - 0xc0bb754c [g_down]
>
> 3 0 0 0 SL - 0xc0bb7548 [g_up]
>
> 2 0 0 0 SL - 0xc0bb7540 [g_event]
>
> 14 0 0 0 WL [swi3: vm]
>
> 13 0 0 0 RL [swi4: clock sio]
>
> 12 0 0 0 WL [swi1: net]
>
> 11 0 0 0 RL [idle: cpu0]
>
> 1 0 0 0 ?L [swapper]
>
> 10 0 0 0 SL audit_wo 0xc0c11ad4 [audit]
>
> 0 0 0 0 SLs conifhk 0xc0b599ec [swapper]
>
> db> show reg
>
> cs 0x20
>
> ds 0x28
>
> es 0x28
>
> fs 0x8
>
> ss 0x28
>
> eax 0x12
>
> ecx 0xc1434bde
>
> edx 0
>
> ebx 0x100
>
> esp 0xe175cc5c
>
> ebp 0xe175cc64
>
> esi 0x1
>
> edi 0xc3dea210
>
> eip 0xc0777ca2 kdb_enter+0x32
>
> efl 0x80282
>
> kdb_enter+0x32: leave
>
> db> show locks
>
> exclusive sleep mutex XPT lock r = 0 (0xc0b883a4) locked @
> /usr/src/sys/cam/cam_xpt.c:3852
>
> db> show lockedvnods
>
> Locked vnodes
>
> db> bt
>
> Tracing pid 18 tid 100016 td 0xc3dea210
>
> kdb_enter(c0aa2af2,0,c0aa7718,e175cc9c,0,...) at kdb_enter+0x32
>
> panic(c0aa7718,e175ccd8,0,0,0,...) at panic+0x124
>
> witness_warn(2,0,c0a9f7d0,471,c3ed97e4,...) at witness_warn+0x19c
>
> ithread_loop(c3ed80d0,e175cd38,c0a9f445,2ea,c3ee42ac,...) at
> ithread_loop+0x2ca
>
> fork_exit(c0735670,c3ed80d0,e175cd38) at fork_exit+0xb8
>
> fork_trampoline() at fork_trampoline+0x8
>
> --- trap 0, eip = 0, esp = 0xe175cd70, ebp = 0 ---
>
> db>
>
>
> CONFIDENTIALITY NOTE: This message is intended only for the use
> of the individual or entity to whom it is addressed and may contain
> information that is privileged, confidential, and exempt from
> disclosure under applicable law. If the reader of this message is
> not the intended recipient, you are hereby notified that any
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> is strictly prohibited. If you have received this transmission
> in error, please notify us by telephone at (502) 212-4001 or
> notify us at PAI , Dept. 99, 11857 Commonwealth Drive,
> Louisville, KY 40299. Thank you.
> _______________________________________________
>
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