Thanks for the reminder, I'll take care of it. Scott On Jan 7, 2008, at 8:01 AM, Michael Jung wrote: > > > -----Original Message----- > From: Scott Long [mailto:scottl_at_samsco.org] > Sent: Sunday, December 16, 2007 2:48 AM > To: Michael Jung > Cc: freebsd-current_at_freebsd.org > Subject: Re: 7.0-BETA4 - witness_warn on boot > > This simple patch should fix it. This code path is pretty rare, > though, > I'm frankly shocked that you're running into it. > > --- cam_xpt.c 20 Oct 2007 23:23:12 -0000 1.191 > +++ cam_xpt.c 16 Dec 2007 07:46:22 -0000 > _at__at_ -3862,6 +3862,7 _at__at_ > &work_ccb->ccb_h, > xpt_links.stqe); > > + mtx_unlock(&xsoftc.xpt_lock); > continue; > } else { > /* > > Scott > > > Michael Jung wrote: >> 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_at_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_at_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,PG >> E, 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 _at_ >> /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 _at_ >> /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 >> dissemination, distribution or copying of this communication 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. >> _______________________________________________ >> freebsd-current_at_freebsd.org mailing list >> http://lists.freebsd.org/mailman/listinfo/freebsd-current >> To unsubscribe, send any mail to > "freebsd-current-unsubscribe_at_freebsd.org" > > Scott, > > Any chance on getting this committed? It's been working great but > requires me to > patch after every cvsup. > > Thanks. > > --mikej > > 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 > dissemination, distribution or copying of this communication > 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.Received on Wed Jan 09 2008 - 05:34:34 UTC
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