Problems with clock on 1.1-CURRENT

[Justin Sherrill]

>     Do a 'systat -vm 1' in a window and observe the 'clk' interrupts on
>     irq0 in various situations.  A normally working, idle system should
>     get a fairly constant 245-250 clk interrupts per second.  [Of course,
>     systat's 1 second interval might also be messed up due to the issue].

I'm seeing a pretty consistent 228.  Just in case this helps for
correlation between my machine and Mr. Miyamoto's.

Copyright (c) 2003, 2004 The DragonFly Project.
Copyright (c) 1992-2003 The FreeBSD Project.
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DragonFly 1.1-CURRENT #2: Thu Jul 29 07:20:22 EDT 2004
    root at xxxxxxxxxxxxxxx:/usr/obj/usr/src/sys/FORK
TSC clock: 233896566 Hz, i8254 clock: 1193349 Hz
CPU: Pentium II/Pentium II Xeon/Celeron (233.86-MHz 686-class CPU)
  Origin = "GenuineIntel"  Id = 0x634  Stepping = 4
  Features=0x80fbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMO
V,MMX>
real memory  = 134217728 (131072K bytes)
avail memory = 124112896 (121204K bytes)
Preloaded elf kernel "/kernel" at 0xc03b2000.
Pentium Pro MTRR support enabled
md0: Malloc disk
pcibios: BIOS version 2.10
npx0: <math processor> on motherboard
npx0: INT 16 interface
pcib0: <Intel 82443BX (440 BX) host to PCI bridge> at pcibus 0 on motherboard
pci0: <PCI bus> on pcib0
agp0: <Intel 82443BX (440 BX) host to PCI bridge> mem 0xf8000000-0xfbffffff at d
evice 0.0 on pci0
pcib1: <Intel 82443BX (440 BX) PCI-PCI (AGP) bridge> at device 1.0 on pci0
pci1: <PCI bus> on pcib1
isab0: <Intel 82371AB PCI to ISA bridge> at device 7.0 on pci0
isa0: <ISA bus> on isab0
atapci0: <Intel PIIX4 ATA33 controller> port 0xffa0-0xffaf at device 7.1 on pci0
ata0: at 0x1f0 irq 14 on atapci0
installed MI handler for int 14
ata1: at 0x170 irq 15 on atapci0
installed MI handler for int 15
pci0: <Intel 82371AB/EB (PIIX4) USB controller> at 7.2 irq 11
pci0: <Intel 82371AB Power management controller> at 7.3
xl0: <3Com 3c900-TPO Etherlink XL> port 0xef00-0xef3f irq 10 at device 16.0 on p
ci0
xl0: selecting 10baseT transceiver, half duplex
xl0: MAC address: 00:60:97:36:e3:8a
installed MI handler for int 10
pci0: <ATI model 5159 graphics accelerator> at 20.0 irq 11
orm0: <Option ROM> at iomem 0xc0000-0xcbfff on isa0
fdc0: <NEC 72065B or clone> at port 0x3f0-0x3f5,0x3f7 irq 6 drq 2 on isa0
installed MI handler for int 6
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> flags 0x1 irq 1 on atkbdc0
kbd0 at atkbd0
installed MI handler for int 1
installed MI handler for int 1
vga0: <Generic ISA VGA> at port 0x3c0-0x3df iomem 0xa0000-0xbffff on isa0
sc0: <System console> at flags 0x100 on isa0
sc0: VGA <16 virtual consoles, flags=0x300>
sio0 at port 0x3f8-0x3ff irq 4 flags 0x10 on isa0
sio0: type 16550A
installed MI handler for int 4
sio1 at port 0x2f8-0x2ff irq 3 on isa0
sio1: type 16550A
installed MI handler for int 3
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
ppi0: <Parallel I/O> on ppbus0
installed MI handler for int 7
installed MI handler for int 0
ad0: 7161MB <WDC WD75DA-00AWA1> [15520/15/63] at ata0-master UDMA33
Mounting root from ufs:/dev/ad0s1a