Date: Sat, 31 Dec 2011 07:52:32 -0800 From: Dennis Glatting <freebsd@pki2.com> To: freebsd-questions@freebsd.org Subject: CPU MHz discrepency Message-ID: <1325346752.35403.65.camel@btw.pki2.com>
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Curios here. My BIOS reports my CPU at 4,023 MHz but when FreeBSD boots it says "3973.35-MHz." How is this determined? Seems like an off-by-one error somewhere. MB: ASUS Crosshair V FORMULA, latest BIOS, overclocked. dmesg output: Tasha> dmesg Copyright (c) 1992-2011 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 8.2-STABLE #7: Fri Dec 30 18:15:12 PST 2011 root@Tasha:/disk-1/src/sys/amd64/compile/TASHA amd64 Timecounter "i8254" frequency 1193182 Hz quality 0 CPU: AMD FX(tm)-8150 Eight-Core Processor (3973.35-MHz K8-class CPU) Origin = "AuthenticAMD" Id = 0x600f12 Family = 15 Model = 1 Stepping = 2 Features=0x178bfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CLFLUSH,MMX,FXSR,SSE,SSE2,HTT> Features2=0x1698220b<SSE3,PCLMULQDQ,MON,SSSE3,CX16,SSE4.1,SSE4.2,POPCNT,AESNI,XSAVE,AVX> AMD Features=0x2e500800<SYSCALL,NX,MMX+,FFXSR,Page1GB,RDTSCP,LM> AMD Features2=0x1c9bfff<LAHF,CMP,SVM,ExtAPIC,CR8,ABM,SSE4A,MAS,Prefetch,OSVW,IBS,XOP,SKINIT,WDT,LWP,FMA4,NodeId,Topology,<b23>,<b24>> TSC: P-state invariant real memory = 17179869184 (16384 MB) avail memory = 16470151168 (15707 MB) ACPI APIC Table: <ALASKA A M I> FreeBSD/SMP: Multiprocessor System Detected: 8 CPUs FreeBSD/SMP: 1 package(s) x 8 core(s) cpu0 (BSP): APIC ID: 16 cpu1 (AP): APIC ID: 17 cpu2 (AP): APIC ID: 18 cpu3 (AP): APIC ID: 19 cpu4 (AP): APIC ID: 20 cpu5 (AP): APIC ID: 21 cpu6 (AP): APIC ID: 22 cpu7 (AP): APIC ID: 23 ACPI Warning: Optional field Pm2ControlBlock has zero address or length: 0x0000000000000000/0x1 (20101013/tbfadt-655) ioapic0 <Version 2.1> irqs 0-23 on motherboard ioapic1 <Version 2.1> irqs 24-55 on motherboard kbd1 at kbdmux0 acpi0: <ALASKA A M I> on motherboard acpi0: [ITHREAD] ACPI Error: [RAMB] Namespace lookup failure, AE_NOT_FOUND (20101013/psargs-464) ACPI Exception: AE_NOT_FOUND, Could not execute arguments for [RAMW] (Region) (20101013/nsinit-452) acpi0: Power Button (fixed) Timecounter "ACPI-fast" frequency 3579545 Hz quality 1000 acpi_timer0: <32-bit timer at 3.579545MHz> port 0x808-0x80b on acpi0 cpu0: <ACPI CPU> on acpi0 cpu1: <ACPI CPU> on acpi0 cpu2: <ACPI CPU> on acpi0 cpu3: <ACPI CPU> on acpi0 cpu4: <ACPI CPU> on acpi0 cpu5: <ACPI CPU> on acpi0 cpu6: <ACPI CPU> on acpi0 cpu7: <ACPI CPU> on acpi0 acpi_ec0: <Embedded Controller: GPE 0xa> port 0x62,0x66 on acpi0 acpi_hpet0: <High Precision Event Timer> iomem 0xfed00000-0xfed003ff on acpi0 Timecounter "HPET" frequency 14318180 Hz quality 900 pcib0: <ACPI Host-PCI bridge> port 0xcf8-0xcff on acpi0 pci0: <ACPI PCI bus> on pcib0 pcib1: <ACPI PCI-PCI bridge> irq 52 at device 2.0 on pci0 pci1: <ACPI PCI bus> on pcib1 vgapci0: <VGA-compatible display> port 0xe000-0xe07f mem 0xfd000000-0xfdffffff,0xc0000000-0xcfffffff,0xd0000000-0xd1ffffff irq 24 at device 0.0 on pci1 pci1: <multimedia, HDA> at device 0.1 (no driver attached) pcib2: <ACPI PCI-PCI bridge> irq 52 at device 4.0 on pci0 pci2: <ACPI PCI bus> on pcib2 ahci0: <ASMedia ASM1061 AHCI SATA controller> port 0xd050-0xd057,0xd040-0xd043,0xd030-0xd037,0xd020-0xd023,0xd000-0xd01f mem 0xfe300000-0xfe3001ff irq 44 at device 0.0 on pci2 ahci0: [ITHREAD] ahci0: AHCI v1.20 with 2 6Gbps ports, Port Multiplier supported ahcich0: <AHCI channel> at channel 0 on ahci0 ahcich0: [ITHREAD] ahcich1: <AHCI channel> at channel 1 on ahci0 ahcich1: [ITHREAD] pcib3: <ACPI PCI-PCI bridge> irq 52 at device 5.0 on pci0 pci3: <ACPI PCI bus> on pcib3 em0: <Intel(R) PRO/1000 Network Connection 7.2.3> port 0xc000-0xc01f mem 0xfe200000-0xfe21ffff,0xfe220000-0xfe223fff irq 46 at device 0.0 on pci3 em0: Using an MSI interrupt em0: [FILTER] em0: Ethernet address: f4:6d:04:54:f5:52 pcib4: <ACPI PCI-PCI bridge> irq 54 at device 13.0 on pci0 pci4: <ACPI PCI bus> on pcib4 em1: <Intel(R) PRO/1000 Network Connection 7.2.3> port 0xb000-0xb01f mem 0xfe1c0000-0xfe1dffff,0xfe100000-0xfe17ffff,0xfe1e0000-0xfe1e3fff irq 40 at device 0.0 on pci4 em1: Using MSIX interrupts with 3 vectors em1: [ITHREAD] em1: [ITHREAD] em1: [ITHREAD] em1: Ethernet address: 00:1b:21:c1:b5:39 ahci1: <ATI IXP700 AHCI SATA controller> port 0xf040-0xf047,0xf030-0xf033,0xf020-0xf027,0xf010-0xf013,0xf000-0xf00f mem 0xfe407000-0xfe4073ff irq 19 at device 17.0 on pci0 ahci1: [ITHREAD] ahci1: AHCI v1.20 with 6 6Gbps ports, Port Multiplier supported ahcich2: <AHCI channel> at channel 0 on ahci1 ahcich2: [ITHREAD] ahcich3: <AHCI channel> at channel 1 on ahci1 ahcich3: [ITHREAD] ahcich4: <AHCI channel> at channel 2 on ahci1 ahcich4: [ITHREAD] ahcich5: <AHCI channel> at channel 3 on ahci1 ahcich5: [ITHREAD] ahcich6: <AHCI channel> at channel 4 on ahci1 ahcich6: [ITHREAD] ahcich7: <AHCI channel> at channel 5 on ahci1 ahcich7: [ITHREAD] ohci0: <OHCI (generic) USB controller> mem 0xfe406000-0xfe406fff irq 18 at device 18.0 on pci0 ohci0: [ITHREAD] usbus0: <OHCI (generic) USB controller> on ohci0 ehci0: <EHCI (generic) USB 2.0 controller> mem 0xfe405000-0xfe4050ff irq 17 at device 18.2 on pci0 ehci0: [ITHREAD] usbus1: EHCI version 1.0 usbus1: <EHCI (generic) USB 2.0 controller> on ehci0 ohci1: <OHCI (generic) USB controller> mem 0xfe404000-0xfe404fff irq 20 at device 19.0 on pci0 ohci1: [ITHREAD] usbus2: <OHCI (generic) USB controller> on ohci1 ehci1: <EHCI (generic) USB 2.0 controller> mem 0xfe403000-0xfe4030ff irq 21 at device 19.2 on pci0 ehci1: [ITHREAD] usbus3: EHCI version 1.0 usbus3: <EHCI (generic) USB 2.0 controller> on ehci1 pci0: <serial bus, SMBus> at device 20.0 (no driver attached) isab0: <PCI-ISA bridge> at device 20.3 on pci0 isa0: <ISA bus> on isab0 pcib5: <ACPI PCI-PCI bridge> at device 20.4 on pci0 pci5: <ACPI PCI bus> on pcib5 ohci2: <OHCI (generic) USB controller> mem 0xfe402000-0xfe402fff irq 18 at device 20.5 on pci0 ohci2: [ITHREAD] usbus4: <OHCI (generic) USB controller> on ohci2 ohci3: <OHCI (generic) USB controller> mem 0xfe401000-0xfe401fff irq 22 at device 22.0 on pci0 ohci3: [ITHREAD] usbus5: <OHCI (generic) USB controller> on ohci3 ehci2: <EHCI (generic) USB 2.0 controller> mem 0xfe400000-0xfe4000ff irq 23 at device 22.2 on pci0 ehci2: [ITHREAD] usbus6: EHCI version 1.0 usbus6: <EHCI (generic) USB 2.0 controller> on ehci2 acpi_button0: <Power Button> on acpi0 atrtc0: <AT realtime clock> port 0x70-0x71 irq 8 on acpi0 orm0: <ISA Option ROMs> at iomem 0xc0000-0xcd7ff,0xcd800-0xce7ff 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 atkbdc0: <Keyboard controller (i8042)> at port 0x60,0x64 on isa0 atkbd0: <AT Keyboard> irq 1 on atkbdc0 kbd0 at atkbd0 atkbd0: [GIANT-LOCKED] atkbd0: [ITHREAD] ppc0: cannot reserve I/O port range acpi_throttle0: <ACPI CPU Throttling> on cpu0 acpi_throttle1: <ACPI CPU Throttling> on cpu1 acpi_throttle1: failed to attach P_CNT device_attach: acpi_throttle1 attach returned 6 acpi_throttle2: <ACPI CPU Throttling> on cpu2 acpi_throttle2: failed to attach P_CNT device_attach: acpi_throttle2 attach returned 6 acpi_throttle3: <ACPI CPU Throttling> on cpu3 acpi_throttle3: failed to attach P_CNT device_attach: acpi_throttle3 attach returned 6 acpi_throttle4: <ACPI CPU Throttling> on cpu4 acpi_throttle4: failed to attach P_CNT device_attach: acpi_throttle4 attach returned 6 acpi_throttle5: <ACPI CPU Throttling> on cpu5 acpi_throttle5: failed to attach P_CNT device_attach: acpi_throttle5 attach returned 6 acpi_throttle6: <ACPI CPU Throttling> on cpu6 acpi_throttle6: failed to attach P_CNT device_attach: acpi_throttle6 attach returned 6 acpi_throttle7: <ACPI CPU Throttling> on cpu7 acpi_throttle7: failed to attach P_CNT device_attach: acpi_throttle7 attach returned 6 Timecounters tick every 1.000 msec usbus0: 12Mbps Full Speed USB v1.0 usbus1: 480Mbps High Speed USB v2.0 usbus2: 12Mbps Full Speed USB v1.0 usbus3: 480Mbps High Speed USB v2.0 usbus4: 12Mbps Full Speed USB v1.0 usbus5: 12Mbps Full Speed USB v1.0 usbus6: 480Mbps High Speed USB v2.0 ugen0.1: <ATI> at usbus0 uhub0: <ATI OHCI root HUB, class 9/0, rev 1.00/1.00, addr 1> on usbus0 ugen1.1: <ATI> at usbus1 uhub1: <ATI EHCI root HUB, class 9/0, rev 2.00/1.00, addr 1> on usbus1 ugen2.1: <ATI> at usbus2 uhub2: <ATI OHCI root HUB, class 9/0, rev 1.00/1.00, addr 1> on usbus2 ugen3.1: <ATI> at usbus3 uhub3: <ATI EHCI root HUB, class 9/0, rev 2.00/1.00, addr 1> on usbus3 ugen4.1: <ATI> at usbus4 uhub4: <ATI OHCI root HUB, class 9/0, rev 1.00/1.00, addr 1> on usbus4 ugen5.1: <ATI> at usbus5 uhub5: <ATI OHCI root HUB, class 9/0, rev 1.00/1.00, addr 1> on usbus5 ugen6.1: <ATI> at usbus6 uhub6: <ATI EHCI root HUB, class 9/0, rev 2.00/1.00, addr 1> on usbus6 ada0 at ahcich2 bus 0 scbus2 target 0 lun 0 ada0: <ST31000333AS CC1H> ATA-8 SATA 2.x device ada0: 300.000MB/s transfers (SATA 2.x, UDMA6, PIO 8192bytes) ada0: Command Queueing enabled ada0: 953869MB (1953525168 512 byte sectors: 16H 63S/T 16383C) ada1 at ahcich3 bus 0 scbus3 target 0 lun 0 ada1: <ST31000528AS CC38> ATA-8 SATA 2.x device ada1: 300.000MB/s transfers (SATA 2.x, UDMA6, PIO 8192bytes) ada1: Command Queueing enabled ada1: 953869MB (1953525168 512 byte sectors: 16H 63S/T 16383C) ada2 at ahcich4 bus 0 scbus4 target 0 lun 0 ada2: <ST32000542AS CC34> ATA-8 SATA 2.x device ada2: 300.000MB/s transfers (SATA 2.x, UDMA6, PIO 8192bytes) ada2: Command Queueing enabled ada2: 1907729MB (3907029168 512 byte sectors: 16H 63S/T 16383C) ada3 at ahcich5 bus 0 scbus5 target 0 lun 0 ada3: <ST32000542AS CC34> ATA-8 SATA 2.x device ada3: 300.000MB/s transfers (SATA 2.x, UDMA6, PIO 8192bytes) ada3: Command Queueing enabled ada3: 1907729MB (3907029168 512 byte sectors: 16H 63S/T 16383C) ada4 at ahcich6 bus 0 scbus6 target 0 lun 0 ada4: <ST32000542AS CC34> ATA-8 SATA 2.x device ada4: 300.000MB/s transfers (SATA 2.x, UDMA6, PIO 8192bytes) ada4: Command Queueing enabled ada4: 1907729MB (3907029168 512 byte sectors: 16H 63S/T 16383C) ada5 at ahcich7 bus 0 scbus7 target 0 lun 0 ada5: <ST32000542AS CC34> ATA-8 SATA 2.x device ada5: 300.000MB/s transfers (SATA 2.x, UDMA6, PIO 8192bytes) ada5: Command Queueing enabled ada5: 1907729MB (3907029168 512 byte sectors: 16H 63S/T 16383C) SMP: AP CPU #1 Launched! SMP: AP CPU #2 Launched! SMP: AP CPU #7 Launched! SMP: AP CPU #3 Launched! SMP: AP CPU #4 Launched! SMP: AP CPU #6 Launched! SMP: AP CPU #5 Launched! uhub4: 2 ports with 2 removable, self powered uhub5: 4 ports with 4 removable, self powered uhub2: 5 ports with 5 removable, self powered uhub0: 5 ports with 5 removable, self powered Root mount waiting for: usbus6 usbus3 usbus1 uhub6: 4 ports with 4 removable, self powered uhub3: 5 ports with 5 removable, self powered uhub1: 5 ports with 5 removable, self powered Root mount waiting for: usbus1 Trying to mount root from ufs:/dev/gpt/disk0 ugen0.2: <Microsoft> at usbus0 ukbd0: <Microsoft Microsoft 2.4GHz Transceiver v4.0, class 0/0, rev 2.00/2.20, addr 2> on usbus0 kbd2 at ukbd0 ums0: <Microsoft Microsoft 2.4GHz Transceiver v4.0, class 0/0, rev 2.00/2.20, addr 2> on usbus0 ums0: 5 buttons and [XYZT] coordinates ID=26 ums0: 0 buttons and [T] coordinates ID=0 uhid0: <Microsoft Microsoft 2.4GHz Transceiver v4.0, class 0/0, rev 2.00/2.20, addr 2> on usbus0 ugen0.3: <CHESEN> at usbus0 ukbd1: <CHESEN USB Keyboard, class 0/0, rev 1.10/1.10, addr 3> on usbus0 kbd3 at ukbd1 uhid1: <CHESEN USB Keyboard, class 0/0, rev 1.10/1.10, addr 3> on usbus0 ZFS filesystem version 5 ZFS storage pool version 28 ugen0.4: <CPS> at usbus0
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