Date: Wed, 17 May 2000 15:25:36 +0100 From: Joe Karthauser <joe@pavilion.net> To: Poul-Henning Kamp <phk@critter.freebsd.dk> Cc: freebsd-bugs@FreeBSD.ORG Subject: Re: kern/18598: Incessant messages "microuptime() went backwards" Message-ID: <20000517152536.C12709@pavilion.net> In-Reply-To: <13080.958506314@critter.freebsd.dk>; from phk@critter.freebsd.dk on Tue, May 16, 2000 at 09:45:14PM %2B0200 References: <200005161940.MAA40567@freefall.freebsd.org> <13080.958506314@critter.freebsd.dk>
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On Tue, May 16, 2000 at 09:45:14PM +0200, Poul-Henning Kamp wrote:
>
> Is APM enabled or disabled in the BIOS ?
>
> Do you have APM compiled into your kernel ?
>
> Please email me the output from
> cat /var/run/dmesg.boot
> sysctl kern.timecounter
> sysctl machdep | grep _freq
Here's a snippet from my dmesg:
...
microuptime() went backwards (237364.267155 -> 237364,243984)
microuptime() went backwards (237364.277585 -> 237364,255663)
microuptime() went backwards (237364.286689 -> 237364,-695142082)
microuptime() went backwards (237364.286689 -> 237364,249358)
microuptime() went backwards (237364.286689 -> 237364,265020)
microuptime() went backwards (237364.297763 -> 237364,-695131223)
microuptime() went backwards (237364.297763 -> 237364,260217)
microuptime() went backwards (237364.297763 -> 237364,273948)
microuptime() went backwards (237364.305404 -> 237364,254985)
...
The detail you've requested is included below.
Joe
Copyright (c) 1992-2000 The FreeBSD Project.
Copyright (c) 1982, 1986, 1989, 1991, 1993
The Regents of the University of California. All rights reserved.
FreeBSD 5.0-CURRENT #69: Tue May 2 14:12:50 BST 2000
joe@genius.systems.pavilion.net:/usr/src/sys/compile/GENIUS
Timecounter "i8254" frequency 1193182 Hz
CPU: Pentium II/Pentium II Xeon/Celeron (397.90-MHz 686-class CPU)
Origin = "GenuineIntel" Id = 0x66d Stepping = 13
Features=0x183f9ff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,MMX,FXSR>
real memory = 201261056 (196544K bytes)
avail memory = 192086016 (187584K bytes)
Preloaded elf kernel "kernel" at 0xc02f8000.
Pentium Pro MTRR support enabled
md0: Malloc disk
npx0: <math processor> on motherboard
npx0: INT 16 interface
apm0: <APM BIOS> on motherboard
apm: found APM BIOS v1.2, connected at v1.2
pcib0: <Intel 82443BX host to PCI bridge (AGP disabled)> on motherboard
pci0: <PCI bus> on pcib0
isab0: <Intel 82371AB PCI to ISA bridge> at device 7.0 on pci0
isa0: <ISA bus> on isab0
atapci0: <Intel PIIX4 ATA33 controller> port 0xfcf0-0xfcff at device 7.1 on pci0
ata0: at 0x1f0 irq 14 on atapci0
ata1: at 0x170 irq 15 on atapci0
pci0: <Intel 82371AB/EB (PIIX4) USB controller> at 7.2
chip1: <Intel 82371AB Power management controller> port 0x2180-0x218f at device 7.3 on pci0
pci0: <NeoMagic MagicMedia 256AV SVGA controller> at 8.0 irq 9
pcm0: <NeoMagic 256AV> mem 0xfec00000-0xfecfffff,0xfe000000-0xfe3fffff irq 9 at device 8.1 on pci0
chip2: <Sony CXD1847A FireWire Host Controller> at device 9.0 on pci0
pcic-pci0: <Ricoh RL5C478 PCI-CardBus Bridge> at device 10.0 on pci0
pcic-pci1: <Ricoh RL5C478 PCI-CardBus Bridge> at device 10.1 on pci0
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 GlidePoint, 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>
pcic0: <Intel i82365> at port 0x3e0-0x3e1 irq 10 on isa0
pcic0: management irq 10
pccard0: <PC Card bus -- kludge version> on pcic0
pccard1: <PC Card bus -- kludge version> on pcic0
sio0 at port 0x3f8-0x3ff irq 4 flags 0x10 on isa0
sio0: type 16550A
ppc0: <Parallel port> at port 0x378-0x37f irq 7 flags 0x40 on isa0
ppc0: SMC-like chipset (ECP/EPP/PS2/NIBBLE) in COMPATIBLE mode
ppc0: FIFO with 16/16/8 bytes threshold
ppi0: <Parallel I/O> on ppbus0
ppi0: can't allocate irq
device_probe_and_attach: ppi0 attach returned 12
lpt0: <Printer> on ppbus0
lpt0: Interrupt-driven port
plip0: <PLIP network interface> on ppbus0
unknown0: <PNP0c02> at port 0x4d0-0x4d1,0x80,0x72-0x73,0x370-0x371,0xb2-0xb3,0x8000-0x804f,0x2180-0x218f,0x230-0x233 iomem 0xfffe0000-0xffffffff on isa0
unknown1: <PNP0c01> at iomem 0-0x9ffff,0xe8000-0xfffff,0x100000-0xbffffff on isa0
unknown2: <PNP0200> at port 0-0xf,0x81-0x8f,0xc0-0xdf drq 4 on isa0
unknown: <PNP0000> can't assign resources
unknown3: <PNP0100> at port 0x40-0x43 irq 0 on isa0
unknown4: <PNP0b00> at port 0x70-0x71 irq 8 on isa0
unknown: <PNP0303> can't assign resources
unknown5: <PNP0c04> at port 0xf0-0xff irq 13 on isa0
unknown6: <PNP0800> at port 0x61 on isa0
unknown7: <PNP0a03> at port 0xcf8-0xcff on isa0
unknown: <PNP0e03> can't assign resources
unknown: <PNP0700> can't assign resources
unknown: <PNP0401> can't assign resources
unknown: <PNP0501> can't assign resources
unknown: <PNP0f13> can't assign resources
pccard: card inserted, slot 0
ata1-slave: ata_command: timeout waiting for intr
ata1-slave: identify failed
ad0: 6194MB <IBM-DBCA-206480> [13424/15/63] at ata0-master using UDMA33
acd0: DVD-ROM <TOSHIBA DVD-ROM SD-C2202> at ata1-master using UDMA33
Mounting root from ufs:/dev/ad0s2a
WARNING: / was not properly dismounted
kern.timecounter.nmicrotime: 112860535
kern.timecounter.nnanotime: 24189336
kern.timecounter.nmicrouptime: 907278743
kern.timecounter.nnanouptime: 51
kern.timecounter.ngetmicrotime: 293
kern.timecounter.ngetnanotime: 187
kern.timecounter.ngetmicrouptime: 188629630
kern.timecounter.ngetnanouptime: 73215770
kern.timecounter.hardware: i8254
machdep.i8254_freq: 1193182
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