Scott Long wrote: > What happens if you turn off mpsafevfs? At first I thought it had cured the problem, but after running 'dd' for ~3 minutes it started swapping, and about a minute later the system became completely unresponsive. Also, if I abort 'dd' after the swapping has started but before it live-locks it seems that a new 'dd' will take the system to that unresponsive state very quickly. I tested this on the UP system, newly rebooted. The system itself is pretty basic. More discs than normal, but they were not mounted (they are normally exported using ggate). Below is the dmesg just in case... /Daniel Eriksson Copyright (c) 1992-2005 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 6.0-CURRENT #0: Fri Apr 22 06:48:40 CEST 2005 daniel_at_xxx:/usr/obj/usr/src/sys/XXX Timecounter "i8254" frequency 1193182 Hz quality 0 CPU: AMD Athlon(TM) XP 2500+ (1833.13-MHz 686-class CPU) Origin = "AuthenticAMD" Id = 0x6a0 Stepping = 0 Features=0x383fbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA, CMOV,PAT,PSE36,MMX,FXSR,SSE> AMD Features=0xc0400000<AMIE,DSP,3DNow!> real memory = 536850432 (511 MB) avail memory = 516022272 (492 MB) ACPI APIC Table: <ASUS A7V600-X> ioapic0: Changing APIC ID to 2 ioapic0 <Version 0.3> irqs 0-23 on motherboard npx0: [FAST] npx0: <math processor> on motherboard npx0: INT 16 interface acpi0: <ASUS A7V600-X> on motherboard acpi0: Power Button (fixed) pci_link0: <ACPI PCI Link LNKA> irq 11 on acpi0 pci_link1: <ACPI PCI Link LNKB> irq 0 on acpi0 pci_link2: <ACPI PCI Link LNKC> irq 10 on acpi0 pci_link3: <ACPI PCI Link LNKD> irq 0 on acpi0 pci_link4: <ACPI PCI Link LNKE> irq 3 on acpi0 pci_link5: <ACPI PCI Link LNKF> irq 7 on acpi0 pci_link6: <ACPI PCI Link LNKG> irq 5 on acpi0 pci_link7: <ACPI PCI Link LNKH> irq 15 on acpi0 Timecounter "ACPI-fast" frequency 3579545 Hz quality 1000 acpi_timer0: <32-bit timer at 3.579545MHz> port 0xe408-0xe40b on acpi0 cpu0: <ACPI CPU> on acpi0 acpi_button0: <Power Button> on acpi0 pcib0: <ACPI Host-PCI bridge> port 0xcf8-0xcff on acpi0 pci0: <ACPI PCI bus> on pcib0 agp0: <VIA 8377 (Apollo KT400/KT400A/KT600) host to PCI bridge> mem 0xfc000000-0xfdffffff at device 0.0 on pci0 pcib1: <ACPI PCI-PCI bridge> at device 1.0 on pci0 pci1: <ACPI PCI bus> on pcib1 pci0: <display, VGA> at device 10.0 (no driver attached) re0: <RealTek 8110S Single-chip Gigabit Ethernet> port 0xd800-0xd8ff mem 0xed800000-0xed8000ff at device 12.0 on pci0 miibus0: <MII bus> on re0 rgephy0: <RTL8169S/8110S media interface> on miibus0 rgephy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, 1000baseTX, 1000baseTX-FDX, auto re0: Ethernet address: 00:50:fc:f8:c6:81 atapci0: <HighPoint HPT374 (channel 0+1) UDMA133 controller> port 0xd400-0xd407,0xd000-0xd003,0xb800-0xb807,0xb400-0xb403,0xb000-0xb0ff irq 16 at device 13.0 on pci0 ata2: <ATA channel 0> on atapci0 ata3: <ATA channel 1> on atapci0 atapci1: <HighPoint HPT374 (channel 2+3) UDMA133 controller> port 0xa800-0xa807,0xa400-0xa403,0xa000-0xa007,0x9800-0x9803,0x9400-0x94ff irq 16 at device 13.1 on pci0 ata4: <ATA channel 0> on atapci1 ata5: <ATA channel 1> on atapci1 atapci2: <VIA 6420 SATA150 controller> port 0x9000-0x9007,0x8800-0x8803,0x8400-0x8407,0x8000-0x8003,0x7800-0x780f,0x7400 -0x74ff at device 15.0 on pci0 ata6: <ATA channel 0> on atapci2 ata6: SATA connect ready time=0ms ata7: <ATA channel 1> on atapci2 ata7: SATA connect ready time=0ms atapci3: <VIA 8237 UDMA133 controller> port 0x1f0-0x1f7,0x3f6,0x170-0x177,0x376,0x7000-0x700f irq 20 at device 15.1 on pci0 ata0: <ATA channel 0> on atapci3 ata1: <ATA channel 1> on atapci3 uhci0: <VIA 83C572 USB controller> port 0x6800-0x681f at device 16.0 on pci0 uhci0: [GIANT-LOCKED] 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 uhub0: 2 ports with 2 removable, self powered uhci1: <VIA 83C572 USB controller> port 0x6400-0x641f at device 16.1 on pci0 uhci1: [GIANT-LOCKED] 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 uhub1: 2 ports with 2 removable, self powered uhci2: <VIA 83C572 USB controller> port 0x6000-0x601f at device 16.2 on pci0 uhci2: [GIANT-LOCKED] 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 uhub2: 2 ports with 2 removable, self powered uhci3: <VIA 83C572 USB controller> port 0x5800-0x581f at device 16.3 on pci0 uhci3: [GIANT-LOCKED] 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 uhub3: 2 ports with 2 removable, self powered ehci0: <VIA VT6202 USB 2.0 controller> mem 0xed000000-0xed0000ff at device 16.4 on pci0 ehci0: [GIANT-LOCKED] 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 uhub4: 8 ports with 8 removable, self powered isab0: <PCI-ISA bridge> at device 17.0 on pci0 isa0: <ISA bus> on isab0 vr0: <VIA VT6102 Rhine II 10/100BaseTX> port 0x5400-0x54ff mem 0xec800000-0xec8000ff at device 18.0 on pci0 miibus1: <MII bus> on vr0 rlphy0: <RTL8201L 10/100 media interface> on miibus1 rlphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto vr0: Ethernet address: 00:0e:a6:1f:29:1e atapci4: <Promise PDC20318 SATA150 controller> port 0x5000-0x503f,0x4800-0x480f,0x4400-0x447f mem 0xec000000-0xec000fff,0xeb800000-0xeb81ffff irq 18 at device 19.0 on pci0 ata8: <ATA channel 0> on atapci4 ata8: SATA connect ready time=0ms ata9: <ATA channel 1> on atapci4 ata9: SATA connect ready time=0ms ata10: <ATA channel 2> on atapci4 ata10: SATA connect ready time=0ms ata11: <ATA channel 3> on atapci4 ata11: SATA connect ready time=0ms 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 atkbdc0: <Keyboard controller (i8042)> port 0x60,0x64 irq 1 on acpi0 atkbd0: <AT Keyboard> irq 1 on atkbdc0 kbd0 at atkbd0 atkbd0: [GIANT-LOCKED] pmtimer0 on isa0 orm0: <ISA Option ROM> at iomem 0xc0000-0xcc7ff on isa0 ppc0: parallel port not found. 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 1833132661 Hz quality 800 Timecounters tick every 1.000 msec ipfw2 (+ipv6) initialized, divert loadable, rule-based forwarding disabled, default to accept, logging unlimited ad0: 26059MB <Maxtor 92732U8 RA530JN0> at ata0-master UDMA66 ad4: 190782MB <Seagate ST3200822A 3.01> at ata2-master UDMA100 GEOM_STRIPE: Device stripe_1200GB created (id=94156052). GEOM_STRIPE: Disk ad4 attached to stripe_1200GB. ad5: 190782MB <Seagate ST3200822A 3.01> at ata2-slave UDMA100 GEOM_STRIPE: Disk ad5 attached to stripe_1200GB. ad6: 190782MB <Seagate ST3200822A 3.01> at ata3-master UDMA100 GEOM_STRIPE: Disk ad6 attached to stripe_1200GB. ad7: 190782MB <Seagate ST3200822A 3.01> at ata3-slave UDMA100 GEOM_STRIPE: Disk ad7 attached to stripe_1200GB. ad8: 190782MB <Seagate ST3200822A 3.01> at ata4-master UDMA100 GEOM_STRIPE: Disk ad8 attached to stripe_1200GB. ad9: 190782MB <Seagate ST3200822A 3.01> at ata4-slave UDMA100 GEOM_STRIPE: Disk ad9 attached to stripe_1200GB. GEOM_STRIPE: Device stripe_1200GB activated. ad12: 238475MB <WDC WD2500JD-00HBB0 08.02D08> at ata6-master SATA150 GEOM_STRIPE: Device stripe_500GB created (id=2719370432). GEOM_STRIPE: Disk ad12 attached to stripe_500GB. ad14: 238475MB <WDC WD2500JD-00HBB0 08.02D08> at ata7-master SATA150 GEOM_STRIPE: Disk ad14 attached to stripe_500GB. GEOM_STRIPE: Device stripe_500GB activated. ad16: 238475MB <WDC WD2500JD-00FYB0 02.05D02> at ata8-master SATA150 ad18: 239372MB <Maxtor 6B250S0 BANC1980> at ata9-master SATA150 ad20: 239372MB <Maxtor 7Y250M0 YAR51EW0> at ata10-master SATA150 ad22: 238475MB <HDS722525VLSA80 V36OA63A> at ata11-master SATA150 ATA PseudoRAID loaded Trying to mount root from ufs:/dev/ad0s1aReceived on Fri Apr 22 2005 - 14:25:52 UTC
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