Date: Fri, 11 Jun 2010 00:35:05 +0800 From: Jansen Gotis <jtgotis@gmail.com> To: freebsd-stable@FreeBSD.org Subject: "calcru: runtime went backwards" messages Message-ID: <AANLkTimpKW8-MyWKKo7cylqyb3sND8BGX-woMd2P5YE5@mail.gmail.com>
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Hi, for the past couple of months since moving to RELENG_8 I've been receiving "calcru: runtime went backwards" messages on the console. My machine is a dual Pentium III 1.26GHz with an Intel SAI2 board. Disabling EIST is not an option in my BIOS, and I've tried disabling the ACPI timer as well as setting kern.timecounter.hardware=i8254. I've also tried disabling cpufreq in my kernel configuration. For what it's worth, I'm running base ntpd. I've also tried openntpd, but no dice. I did a binary search of the commit with which this started, and apparently it's svn r204546, a summary of which can be seen here: http://freshbsd.org/2010/03/02/01/56/55 The calcru messages appear whether vesa is loaded as a module or compiled into the kernel. If anyone needs more information, I'll be happy to provide it. Best regards, Jansen ===== snippet of /var/log/messages relating to calcru messages ===== Jun 10 22:41:42 hobbes kernel: calcru: runtime went backwards from 3502 usec to 3297 usec for pid 1106 (mksh) Jun 10 22:41:42 hobbes kernel: calcru: runtime went backwards from 36785 usec to 35858 usec for pid 1114 (csh) Jun 10 22:41:42 hobbes kernel: calcru: runtime went backwards from 13438 usec to 12652 usec for pid 1113 (su) Jun 10 22:41:42 hobbes kernel: calcru: runtime went backwards from 14956 usec to 14081 usec for pid 1111 (mksh) Jun 10 22:41:42 hobbes kernel: calcru: runtime went backwards from 3323 usec to 3128 usec for pid 1111 (mksh) Jun 10 22:41:42 hobbes kernel: calcru: runtime went backwards from 610 usec to 574 usec for pid 549 (devd) Jun 10 22:41:42 hobbes kernel: calcru: runtime went backwards from 517 usec to 486 usec for pid 548 (dhclient) Jun 10 22:41:42 hobbes kernel: calcru: runtime went backwards from 1912 usec to 1800 usec for pid 532 (dhclient) Jun 10 22:41:42 hobbes kernel: calcru: runtime went backwards from 39738 usec to 37412 usec for pid 532 (dhclient) Jun 10 22:41:42 hobbes kernel: calcru: runtime went backwards from 3369010 usec to 3334846 usec for pid 1 (init) ===== /var/run/dmesg.boot ===== Copyright (c) 1992-2010 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 8.0-STABLE #0 r204546: Thu Jun 10 21:05:09 PHT 2010 jansen@hobbes.jansen.homenet:/usr/obj/usr/src/sys/LOCAL i386 Timecounter "i8254" frequency 1193182 Hz quality 0 CPU: Intel(R) Pentium(R) III CPU family 1266MHz (1263.45-MHz 686-class CPU) Origin = "GenuineIntel" Id = 0x6b1 Stepping = 1 Features=0x383fbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,MMX,FXSR,SSE> real memory = 2148007936 (2048 MB) avail memory = 2090995712 (1994 MB) ACPI APIC Table: <Intel 0278 > FreeBSD/SMP: Multiprocessor System Detected: 2 CPUs FreeBSD/SMP: 2 package(s) x 1 core(s) cpu0 (BSP): APIC ID: 3 cpu1 (AP): APIC ID: 0 MADT: Forcing active-low polarity and level trigger for SCI ioapic0 <Version 1.1> irqs 0-15 on motherboard ioapic1 <Version 1.1> irqs 16-31 on motherboard kbd1 at kbdmux0 netsmb_dev: loaded smbios0: <System Management BIOS> at iomem 0xf6e90-0xf6eae on motherboard smbios0: Version: 2.3, BCD Revision: 2.3 acpi0: <Intel 0278> on motherboard acpi0: [ITHREAD] acpi0: Power Button (fixed) acpi0: Sleep Button (fixed) Timecounter "ACPI-safe" frequency 3579545 Hz quality 850 acpi_timer0: <32-bit timer at 3.579545MHz> port 0x508-0x50b on acpi0 pcib0: <ACPI Host-PCI bridge> port 0xcf8-0xcff on acpi0 pci0: <ACPI PCI bus> on pcib0 vgapci0: <VGA-compatible display> port 0x2000-0x20ff mem 0xfa000000-0xfaffffff,0xfb000000-0xfb000fff at device 2.0 on pci0 fxp0: <Intel 82559 Pro/100 Ethernet> port 0x2400-0x243f mem 0xfb001000-0xfb001fff,0xfb100000-0xfb1fffff irq 18 at device 3.0 on pci0 miibus0: <MII bus> on fxp0 inphy0: <i82555 10/100 media interface> PHY 1 on miibus0 inphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto fxp0: Ethernet address: 00:03:47:a6:0d:4a fxp0: [ITHREAD] isab0: <PCI-ISA bridge> at device 15.0 on pci0 isa0: <ISA bus> on isab0 atapci0: <ServerWorks CSB5 UDMA100 controller> port 0x1f0-0x1f7,0x3f6,0x170-0x177,0x376,0x2440-0x244f at device 15.1 on pci0 ata0: <ATA channel 0> on atapci0 ata0: [ITHREAD] ata1: <ATA channel 1> on atapci0 ata1: [ITHREAD] ohci0: <OHCI (generic) USB controller> mem 0xfb002000-0xfb002fff irq 9 at device 15.2 on pci0 ohci0: [ITHREAD] usbus0: <OHCI (generic) USB controller> on ohci0 pcib1: <ACPI Host-PCI bridge> on acpi0 pci1: <ACPI PCI bus> on pcib1 atapci1: <Promise PDC20575 SATA150 controller> port 0x2480-0x24ff,0x2800-0x28ff mem 0xfb420000-0xfb420fff,0xfb400000-0xfb41ffff irq 20 at device 10.0 on pci1 atapci1: [ITHREAD] atapci1: [ITHREAD] ata2: <ATA channel 0> on atapci1 ata2: SIGNATURE: 00000101 ata2: [ITHREAD] ata3: <ATA channel 1> on atapci1 ata3: [ITHREAD] ata4: <ATA channel 2> on atapci1 ata4: [ITHREAD] atrtc0: <AT realtime clock> port 0x70-0x71 irq 8 on acpi0 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 Explorer, device ID 4 fdc0: <floppy drive controller> port 0x3f0-0x3f5,0x3f7 irq 6 drq 2 on acpi0 fdc0: [FILTER] uart0: <16550 or compatible> port 0x3f8-0x3ff irq 4 flags 0x10 on acpi0 uart0: [FILTER] uart1: <16550 or compatible> port 0x2f8-0x2ff irq 3 on acpi0 uart1: [FILTER] ppc0: <Parallel port> port 0x378-0x37f,0x778-0x77f irq 7 drq 3 on acpi0 ppc0: SMC-like chipset (ECP/EPP/PS2/NIBBLE) in COMPATIBLE mode ppc0: FIFO with 16/16/8 bytes threshold ppc0: [ITHREAD] ppbus0: <Parallel port bus> on ppc0 plip0: <PLIP network interface> on ppbus0 plip0: [ITHREAD] lpt0: <Printer> on ppbus0 lpt0: [ITHREAD] lpt0: Interrupt-driven port ppi0: <Parallel I/O> on ppbus0 cpu0: <ACPI CPU> on acpi0 cpu1: <ACPI CPU> on acpi0 pmtimer0 on isa0 orm0: <ISA Option ROMs> at iomem 0xc0000-0xc7fff,0xc8000-0xc97ff,0xc9800-0xce7ff pnpid ORM0000 on isa0 sc0: <System console> at flags 0x100 on isa0 sc0: VGA <16 virtual consoles, flags=0x300> vga0: <Generic ISA VGA> at port 0x3c0-0x3df iomem 0xa0000-0xbffff on isa0 Timecounters tick every 1.000 msec usbus0: 12Mbps Full Speed USB v1.0 ugen0.1: <(0x1166)> at usbus0 uhub0: <(0x1166) OHCI root HUB, class 9/0, rev 1.00/1.00, addr 1> on usbus0 uhub0: 2 ports with 2 removable, self powered acd0: CDRW <ATAPI DVD C DH52C2P/MP5C> at ata1-master UDMA33 ad4: 953869MB <Seagate ST31000528AS CC38> at ata2-master UDMA100 SATA 1.5Gb/s ad8: 190781MB <Seagate ST3200820A 3.AAC> at ata4-master UDMA100 SMP: AP CPU #1 Launched! Trying to mount root from ufs:/dev/ad4s1a
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