Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262009AbVATVcq (ORCPT ); Thu, 20 Jan 2005 16:32:46 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262012AbVATVcp (ORCPT ); Thu, 20 Jan 2005 16:32:45 -0500 Received: from fmr14.intel.com ([192.55.52.68]:15746 "EHLO fmsfmr002.fm.intel.com") by vger.kernel.org with ESMTP id S262009AbVATVc2 convert rfc822-to-8bit (ORCPT ); Thu, 20 Jan 2005 16:32:28 -0500 X-MimeOLE: Produced By Microsoft Exchange V6.5.7226.0 Content-class: urn:content-classes:message MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 8BIT Subject: RE: [BUG?]: cpufreqency scaling - wrong frequency detected Date: Thu, 20 Jan 2005 13:32:05 -0800 Message-ID: <88056F38E9E48644A0F562A38C64FB6003D1B38D@scsmsx403.amr.corp.intel.com> X-MS-Has-Attach: X-MS-TNEF-Correlator: Thread-Topic: [BUG?]: cpufreqency scaling - wrong frequency detected Thread-Index: AcT/LH3OXIh/8AIUT1mnGLtb5kxyGQABa46QAADossA= From: "Pallipadi, Venkatesh" To: "Pallipadi, Venkatesh" , "Matthias-Christian Ott" , Cc: , "Nakajima, Jun" , "Zou, Nanhai" X-OriginalArrivalTime: 20 Jan 2005 21:32:06.0787 (UTC) FILETIME=[7D8CA530:01C4FF37] Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 9073 Lines: 284 Never mind about acpidmp. This seems to be a issue with p4-clockmod.c/speedstep-lib.c and the routine which gets the initial frequency. As a result all frequencies are getting multiplied by 8. Not sure what the exact bug is though. Dominik can give a better answer. Cpufreq debug messages will help. Thanks, Venki >-----Original Message----- >From: Pallipadi, Venkatesh >Sent: Thursday, January 20, 2005 12:56 PM >To: 'Matthias-Christian Ott'; linux-kernel@vger.kernel.org >Cc: linux@brodo.de; Nakajima, Jun; Zou, Nanhai >Subject: RE: [BUG?]: cpufreqency scaling - wrong frequency detected > > >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 >>[..] >> >> >> > - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/