Re: clock WAY off

JR Dalrymple wrote:

> I have an old Dell Poweredge 6100. It's a quad 200 Mhz box running a 
> generic 6.0 SMP kernel. It was running 5.3 release and having some SMP 
> problems so I went after current with it. All of the problems seem to 
> have dissapeared, but a new one has arisen.
>
> The clock seems to be running at about 1/4 speed (SMP related maybe?). 
> It didn't on release. I currently have timed running keeping it in 
> sync with another machine on the network which is keeping it usable. 
> What can I do to make the clock operate at the proper speed again?
>
> dmesg:
>
> 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 #2: Sun Jul  3 14:27:35 AKDT 2005
>    root_at_genie.exclusivepaving.com:/usr/obj/usr/src/sys/SMP
> Timecounter "i8254" frequency 1193182 Hz quality 0
> CPU: Pentium Pro (198.95-MHz 686-class CPU)
>  Origin = "GenuineIntel"  Id = 0x619  Stepping = 9
>  
> Features=0xfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV> 
>
> real memory  = 536870912 (512 MB)
> avail memory = 515981312 (492 MB)
> MPTable: <INTEL    ALDER       >
> FreeBSD/SMP: Multiprocessor System Detected: 4 CPUs
> cpu0 (BSP): APIC ID:  0
> cpu1 (AP): APIC ID:  1
> cpu2 (AP): APIC ID:  2
> cpu3 (AP): APIC ID:  4
> ioapic0: Assuming intbase of 0
> ioapic0 <Version 1.1> irqs 0-15 on motherboard
> npx0: [FAST]
> npx0: <math processor> on motherboard
> npx0: INT 16 interface
> cpu0 on motherboard
> cpu1 on motherboard
> cpu2 on motherboard
> cpu3 on motherboard
> pcib0: <Intel 82454KX/GX (Orion) host to PCI bridge> pcibus 0 on 
> motherboard
> pci0: <PCI bus> on pcib0
> fxp0: <Intel 82557 Pro/100 Ethernet> port 0xff40-0xff5f mem 
> 0xfe2ff000-0xfe2ffff
> f,0xfe900000-0xfe9fffff irq 10 at device 12.0 on pci0
> miibus0: <MII bus> on fxp0
> inphy0: <i82555 10/100 media interface> on miibus0
> inphy0:  10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
> fxp0: Ethernet address: 00:a0:c9:89:ca:86
> xl0: <3Com 3c905C-TX Fast Etherlink XL> port 0xfc80-0xfcff mem 
> 0xfe8ffc00-0xfe8f
> fc7f irq 9 at device 13.0 on pci0
> miibus1: <MII bus> on xl0
> ukphy0: <Generic IEEE 802.3u media interface> on miibus1
> ukphy0:  10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
> xl0: Ethernet address: 00:04:75:ad:a2:a4
> eisab0: <PCI-EISA bridge> at device 14.0 on pci0
> eisa0: <EISA bus> on eisab0
> mainboard0: <INT31c0 (System Board)> on eisa0 slot 0
> isa0: <ISA bus> on eisab0
> pci0: <unknown> at device 15.0 (no driver attached)
> pci0: <memory, RAM> at device 20.0 (no driver attached)
> pcib1: <Intel 82454KX/GX (Orion) host to PCI bridge> pcibus 1 on 
> motherboard
> pci1: <PCI bus> on pcib1
> amr0: <LSILogic MegaRAID 1.51> port 0xec80-0xecff irq 11 at device 
> 10.0 on pci1
> amr0: <Series 428> Firmware U.75, BIOS 1.44, 16MB RAM
> ahc0: <Adaptec aic7880 Ultra SCSI adapter> port 0xe800-0xe8ff mem 
> 0xfe1fb000-0xf
> e1fbfff irq 11 at device 11.0 on pci1
> ahc0: Using left over BIOS settings
> ahc0: [GIANT-LOCKED]
> aic7880: Ultra Wide Channel A, SCSI Id=7, 16/253 SCBs
> ahc1: <Adaptec aic7880 Ultra SCSI adapter> port 0xe400-0xe4ff mem 
> 0xfe1fa000-0xf
> e1fafff irq 10 at device 12.0 on pci1
> ahc1: Using left over BIOS settings
> ahc1: [GIANT-LOCKED]
> aic7880: Ultra Wide Channel A, SCSI Id=7, 16/253 SCBs
> xl1: <3Com 3c905B-TX Fast Etherlink XL> port 0xec00-0xec7f mem 
> 0xfe1f9c00-0xfe1f
> 9c7f irq 3 at device 14.0 on pci1
> miibus2: <MII bus> on xl1
> xlphy0: <3Com internal media interface> on miibus2
> xlphy0:  10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
> xl1: Ethernet address: 00:10:4b:69:75:6d
> pmtimer0 on isa0
> orm0: <ISA Option ROMs> at iomem 
> 0xc0000-0xc7fff,0xcc800-0xccfff,0xcd000-0xcd7ff
> ,0xcd800-0xcdfff,0xe8000-0xe9fff,0xea000-0xebfff,0xec000-0xeffff on isa0
> ata0 at port 0x1f0-0x1f7,0x3f6 irq 14 on isa0
> ata1 at port 0x170-0x177,0x376 irq 15 on isa0
> atkbdc0: <Keyboard controller (i8042)> at port 0x60,0x64 on isa0
> atkbd0: <AT Keyboard> irq 1 on atkbdc0
> kbd0 at atkbd0
> atkbd0: [GIANT-LOCKED]
> fdc0: <Enhanced floppy controller> at port 0x3f0-0x3f5,0x3f7 irq 6 drq 
> 2 on isa0
> fdc0: [FAST]
> fd0: <1440-KB 3.5" drive> on fdc0 drive 0
> ppc0: <Parallel port> at port 0x378-0x37f irq 7 on isa0
> ppc0: SMC-like chipset (ECP/EPP/PS2/NIBBLE) in COMPATIBLE mode
> ppc0: FIFO with 16/16/8 bytes threshold
> ppbus0: <Parallel port bus> on ppc0
> plip0: <PLIP network interface> on ppbus0
> lpt0: <Printer> on ppbus0
> lpt0: Interrupt-driven port
> ppi0: <Parallel I/O> on ppbus0
> 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
> 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
> unknown: <PNP0303> can't assign resources (port)
> psmcpnp0: irq resource info is missing; assuming irq 12
> unknown: <PNP0700> can't assign resources (port)
> unknown: <PNP0600> can't assign resources (port)
> unknown: <PNP0400> can't assign resources (port)
> unknown: <PNP0501> can't assign resources (port)
> unknown: <PNP0501> can't assign resources (irq)
> unknown: <PNP0c01> can't assign resources (memory)
> Timecounters tick every 1.000 msec
> Waiting 5 seconds for SCSI devices to settle
> amrd0: <LSILogic MegaRAID logical drive> on amr0
> amrd0: 8568MB (17547264 sectors) RAID 1 (optimal)
> amrd1: <LSILogic MegaRAID logical drive> on amr0
> amrd1: 25704MB (52641792 sectors) RAID 5 (optimal)
> (probe51:ahc1:0:6:0): Unexpected busfree in Data-in phase
> SEQADDR == 0x7f
> sa0 at ahc0 bus 0 target 6 lun 0
> sa0: <Quantum DLT4000 D782> Removable Sequential Access SCSI-2 device
> sa0: 10.000MB/s transfers (10.000MHz, offset 15)
> ses0 at amr0 bus 0 target 6 lun 0
> ses0: <DELL 6UW BACKPLANE 7> Fixed Processor SCSI-2 device
> ses0: SAF-TE Compliant Device
> ATA PseudoRAID loaded
> SMP: AP CPU #3 Launched!
> SMP: AP CPU #1 Launched!
> SMP: AP CPU #2 Launched!
> cd0 at ahc1 bus 0 target 6 lun 0
> cd0: <NEC CD-ROM DRIVE:462 1.14> Removable CD-ROM SCSI-2 device
> cd0: 10.000MB/s transfers (10.000MHz, offset 15)
> cd0: Attempt to query device size failed: NOT READY, Medium not present
> Trying to mount root from ufs:/dev/amrd0s1a
>
> I tried to find an old DMESG, but couldn't, however I guarantee it 
> worked fine on 5.3 release. I had a cron job that E-mailed me ~ 3:00 
> AM daily and it was right on the money everyday.
>
> If anyone can help I'd appreciate it.
>
> Thanks
>
> -JR
> _______________________________________________
> 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"

Hey there, I had the same problem with my K6 motherboard, it was actully 
running 2seconds faster then it should of been.

Try sysctl kern.timecounter.hardware=i8254