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SubjectRE: [BUG?]: cpufreqency scaling - wrong frequency detected
Date
From

Hi,

Can you send the output of 'acpidmp' from this system to me? If acpidmp
is not already installed, you should be able to grab it from here.
http://ftp.kernel.org/pub/linux/kernel/people/lenb/acpi/utils/

Thanks,
Venki

>-----Original Message-----
>From: Matthias-Christian Ott [mailto:matthias.christian@tiscali.de]
>Sent: Thursday, January 20, 2005 12:13 PM
>To: Linux Kernel Mailing List
>Cc: linux@brodo.de; Nakajima, Jun; Pallipadi, Venkatesh; Zou, Nanhai
>Subject: [BUG?]: cpufreqency scaling - wrong frequency detected
>
>Hi!
>The Kernel cpufrequency scaling modul seems to have a bug, it displays
>the frequency of 14,60 Ghz. I don't enabled debugging in the
>config, but
>I hope this information can help you. I don't know if it's
>really a bug,
>so I send it to the mailing list instead of reporting it to
>the bugzilla
>bugtracking system. if you need additional information, I'll compile a
>Kernel with cpufreq debugging.
>
>Matthias-Christian Ott
>
>[fox@iceowl ~]$ cat /proc/version
>Linux version 2.6.11-rc1-bk7-ott (root@iceowl.ott.dyndns.info)
>(gcc-Version 3.4.3) #1 SMP Thu Jan 20 16:18:06 CET 2005
>
>[root@iceowl ~]# dmesg
>ACPI: RSDP (v000 MSISYS ) @ 0x000f7550
>ACPI: RSDT (v001 MSISYS MSI ACPI 0x42302e31 AWRD 0x00000000) @
>0x17ff3000
>ACPI: FADT (v001 MSISYS MSI ACPI 0x42302e31 AWRD 0x00000000) @
>0x17ff3040
>ACPI: MADT (v001 MSISYS AWRDACPI 0x42302e31 AWRD 0x00000000) @
>0x17ff6c40
>ACPI: DSDT (v001 MSISYS AWRDACPI 0x00001000 MSFT 0x0100000c) @
>0x00000000
>ACPI: PM-Timer IO Port: 0x4008
>ACPI: Local APIC address 0xfee00000
>ACPI: LAPIC (acpi_id[0x00] lapic_id[0x00] enabled)
>Processor #0 15:1 APIC version 20
>ACPI: IOAPIC (id[0x02] address[0xfec00000] gsi_base[0])
>IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-23
>ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 high level)
>ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level)
>ACPI: IRQ0 used by override.
>ACPI: IRQ2 used by override.
>ACPI: IRQ9 used by override.
>Enabling APIC mode: Flat. Using 1 I/O APICs
>Using ACPI (MADT) for SMP configuration information
>Built 1 zonelists
>Kernel command line: root=/dev/discs/disc0/part1
>video=vesafb:ywrap,mtrr
>vga=0x318 elevator=cfq ro mem=393152K
>[..]
>CPU: After generic identify, caps: 3febfbff 00000000 00000000 00000000
>00000000 00000000 00000000
>CPU: After vendor identify, caps: 3febfbff 00000000 00000000 00000000
>00000000 00000000 00000000
>CPU: Trace cache: 12K uops, L1 D cache: 8K
>CPU: L2 cache: 256K
>CPU: Hyper-Threading is disabled
>CPU: After all inits, caps: 3febfbff 00000000 00000000
>00000080 00000000
>00000000 00000000
>Intel machine check architecture supported.
>Intel machine check reporting enabled on CPU#0.
>CPU0: Intel P4/Xeon Extended MCE MSRs (12) available
>CPU0: Thermal monitoring enabled
>Enabling fast FPU save and restore... done.
>Enabling unmasked SIMD FPU exception support... done.
>Checking 'hlt' instruction... OK.
>CPU0: Intel(R) Pentium(R) 4 CPU 1.80GHz stepping 02
>per-CPU timeslice cutoff: 731.50 usecs.
>[..]
>Total of 1 processors activated (3563.52 BogoMIPS).
>ENABLING IO-APIC IRQs
>..TIMER: vector=0x31 pin1=2 pin2=-1
>Brought up 1 CPUs
>CPU0 attaching sched-domain:
> domain 0: span 1
> groups: 1
> domain 1: span 1
> groups: 1
>[..]
>ACPI: Subsystem revision 20041210
> ACPI-1138: *** Error: Method execution failed [\STRC] (Node
>d7fc3660), AE_AML_BUFFER_LIMIT
> ACPI-1138: *** Error: Method execution failed [\_SB_.PCI0._INI]
>(Node d7fc7420), AE_AML_BUFFER_LIMIT
>ACPI: Interpreter enabled
>ACPI: Using IOAPIC for interrupt routing
>ACPI: PCI Root Bridge [PCI0] (00:00)
>PCI: Probing PCI hardware (bus 00)
>PCI: Transparent bridge - 0000:00:1e.0
>ACPI: PCI Interrupt Routing Table [\_SB_.PCI0._PRT]
>ACPI: PCI Interrupt Routing Table [\_SB_.PCI0.HUB0._PRT]
>ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 6 7 9 10 *11 12 14 15)
>ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 5 6 7 9 10 11 *12 14 15)
>ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 5 6 7 9 10 *11 12 14 15)
>ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 5 6 7 9 10 *11 12 14 15)
>ACPI: PCI Interrupt Link [LNKE] (IRQs 3 4 5 6 7 9 10 *11 12 14 15)
>ACPI: PCI Interrupt Link [LNKF] (IRQs 3 4 5 6 7 9 10 *11 12 14 15)
>ACPI: PCI Interrupt Link [LNK0] (IRQs 3 4 *5 6 7 9 10 11 12 14 15)
>ACPI: PCI Interrupt Link [LNK1] (IRQs 3 4 5 6 7 9 10 *11 12 14 15)
>[..]
>ACPI: Power Button (FF) [PWRF]
>ACPI: Sleep Button (CM) [SLPB]
>ACPI: Fan [FAN] (on)
>ACPI: CPU0 (power states: C1[C1] C2[C2])
>ACPI: Processor [CPU0] (supports 2 throttling states)
>ACPI: Thermal Zone [THRM] (22 C)
>[..]
>p4-clockmod: P4/Xeon(TM) CPU On-Demand Clock Modulation available
>[..]
>
>[root@iceowl ~]# cat /proc/cpuinfo
>processor : 0
>vendor_id : GenuineIntel
>cpu family : 15
>model : 1
>model name : Intel(R) Pentium(R) 4 CPU 1.80GHz
>stepping : 2
>cpu MHz : 1800.257
>cache size : 256 KB
>physical id : 0
>siblings : 1
>fdiv_bug : no
>hlt_bug : no
>f00f_bug : no
>coma_bug : no
>fpu : yes
>fpu_exception : yes
>cpuid level : 2
>wp : yes
>flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge
>mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm
>bogomips : 3563.52
>
>[root@iceowl ~]# cat
>/sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_max_freq
>14600000
>
>[root@iceowl ~]# cat
>/sys/devices/system/cpu/cpu0/cpufreq/scaling_available_frequencies
>3650000 5475000 7300000 9125000 10950000 12775000 14600000
>
>[root@iceowl ~]# cat
>/home/fox/builds/kernel/kernel-2.6.10-rc1-ott/config
>[..]
>CONFIG_X86_PC=y
>[..]
>CONFIG_MPENTIUM4=y
>[..]
>CONFIG_X86_GENERIC=y
>CONFIG_X86_CMPXCHG=y
>CONFIG_X86_XADD=y
>CONFIG_X86_L1_CACHE_SHIFT=7
>CONFIG_RWSEM_XCHGADD_ALGORITHM=y
>CONFIG_GENERIC_CALIBRATE_DELAY=y
>CONFIG_X86_WP_WORKS_OK=y
>CONFIG_X86_INVLPG=y
>CONFIG_X86_BSWAP=y
>CONFIG_X86_POPAD_OK=y
>CONFIG_X86_GOOD_APIC=y
>CONFIG_X86_INTEL_USERCOPY=y
>CONFIG_X86_USE_PPRO_CHECKSUM=y
>CONFIG_HPET_TIMER=y
>CONFIG_SMP=y
>CONFIG_NR_CPUS=4
>CONFIG_SCHED_SMT=y
>CONFIG_PREEMPT=y
>CONFIG_PREEMPT_BKL=y
>CONFIG_X86_LOCAL_APIC=y
>CONFIG_X86_IO_APIC=y
>CONFIG_X86_TSC=y
>CONFIG_X86_MCE=y
>CONFIG_X86_MCE_NONFATAL=m
>CONFIG_X86_MCE_P4THERMAL=y
>CONFIG_TOSHIBA=m
>CONFIG_I8K=m
>[..]
>CONFIG_PM=y
># CONFIG_PM_DEBUG is not set
>CONFIG_SOFTWARE_SUSPEND=y
>CONFIG_PM_STD_PARTITION=""
>[..]
>CONFIG_ACPI=y
>CONFIG_ACPI_BOOT=y
>CONFIG_ACPI_INTERPRETER=y
>CONFIG_ACPI_SLEEP=y
>CONFIG_ACPI_SLEEP_PROC_FS=y
>CONFIG_ACPI_AC=y
>CONFIG_ACPI_BATTERY=y
>CONFIG_ACPI_BUTTON=y
>CONFIG_ACPI_VIDEO=y
>CONFIG_ACPI_FAN=y
>CONFIG_ACPI_PROCESSOR=y
>CONFIG_ACPI_THERMAL=y
>CONFIG_ACPI_ASUS=m
>CONFIG_ACPI_IBM=m
>CONFIG_ACPI_TOSHIBA=m
>CONFIG_ACPI_BLACKLIST_YEAR=0
># CONFIG_ACPI_DEBUG is not set
>CONFIG_ACPI_BUS=y
>CONFIG_ACPI_EC=y
>CONFIG_ACPI_POWER=y
>CONFIG_ACPI_PCI=y
>CONFIG_ACPI_SYSTEM=y
>CONFIG_X86_PM_TIMER=y
># CONFIG_ACPI_CONTAINER is not set
>[..]
>CONFIG_CPU_FREQ=y
># CONFIG_CPU_FREQ_DEBUG is not set
>CONFIG_CPU_FREQ_STAT=m
>CONFIG_CPU_FREQ_STAT_DETAILS=y
># CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE is not set
>CONFIG_CPU_FREQ_DEFAULT_GOV_USERSPACE=y
>CONFIG_CPU_FREQ_GOV_PERFORMANCE=y
>CONFIG_CPU_FREQ_GOV_POWERSAVE=y
>CONFIG_CPU_FREQ_GOV_USERSPACE=y
>CONFIG_CPU_FREQ_GOV_ONDEMAND=y
>CONFIG_CPU_FREQ_TABLE=y
>[..]
>CONFIG_X86_ACPI_CPUFREQ=y
>CONFIG_X86_POWERNOW_K6=m
>CONFIG_X86_POWERNOW_K7=m
>CONFIG_X86_POWERNOW_K7_ACPI=y
>CONFIG_X86_POWERNOW_K8=m
>CONFIG_X86_POWERNOW_K8_ACPI=y
>CONFIG_X86_GX_SUSPMOD=m
>CONFIG_X86_SPEEDSTEP_CENTRINO=m
>CONFIG_X86_SPEEDSTEP_CENTRINO_ACPI=y
>CONFIG_X86_SPEEDSTEP_CENTRINO_TABLE=y
>CONFIG_X86_SPEEDSTEP_ICH=m
>CONFIG_X86_SPEEDSTEP_SMI=m
>CONFIG_X86_P4_CLOCKMOD=y
>CONFIG_X86_CPUFREQ_NFORCE2=m
>CONFIG_X86_LONGRUN=m
>CONFIG_X86_LONGHAUL=m
>[..]
># CONFIG_X86_ACPI_CPUFREQ_PROC_INTF is not set
>CONFIG_X86_SPEEDSTEP_LIB=y
>CONFIG_X86_SPEEDSTEP_RELAXED_CAP_CHECK=y
>[..]
>
>
>
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