[Bug 403193] New: cpufreqency scaling - wrong frequency detected
https://bugzilla.novell.com/show_bug.cgi?id=403193 User SchwartzkopffD@Alte-Leipziger.de added comment https://bugzilla.novell.com/show_bug.cgi?id=403193#c1 Summary: cpufreqency scaling - wrong frequency detected Product: openSUSE 11.0 Version: Final Platform: i686 OS/Version: openSUSE 11.0 Status: NEW Severity: Normal Priority: P5 - None Component: Kernel AssignedTo: bnc-team-screening@forge.provo.novell.com ReportedBy: SchwartzkopffD@Alte-Leipziger.de QAContact: qa@suse.de Found By: --- p4_clockmod/speedstep_lib detects wrong frequency of CPU (multiplied by 8): # 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 : 3650.000 cache size : 256 KB 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 up pebs bts bogomips : 3591.92 clflush size : 64 # cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_available_frequencies 3650000 5475000 7300000 9125000 10950000 12775000 14600000 # cpufreq-info cpufrequtils 002: cpufreq-info (C) Dominik Brodowski 2004-2006 Bitte melden Sie Fehler an http://bugs.opensuse.org. analysiere CPU 0: Treiber: p4-clockmod Folgende CPUs können nur gleichzeitig ihre Frequenz variieren: 0 Hardwarebedingte Grenzen der Taktfrequenz: 3.65 GHz - 14.60 GHz mögliche Taktfrequenzen: 3.65 GHz, 5.48 GHz, 7.30 GHz, 9.13 GHz, 10.95 GHz, 12.78 GHz, 14.60 GHz mögliche Regler: conservative, userspace, powersave, ondemand, performance momentane Taktik: die Frequenz soll innerhalb 3.65 GHz und 14.60 GHz. liegen. Der Regler "ondemand" kann frei entscheiden, welche Taktfrequenz innerhalb dieser Grenze verwendet wird. momentane Taktfrequenz ist 5.48 GHz (verifiziert durch Nachfrage bei der Hardware). # uname -a Linux a020146 2.6.25.5-1.1-pae #1 SMP 2008-06-07 01:55:22 +0200 i686 i686 i386 GNU/Linux -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.
https://bugzilla.novell.com/show_bug.cgi?id=403193 Andreas Jaeger <aj@novell.com> changed: What |Removed |Added ---------------------------------------------------------------------------- AssignedTo|bnc-team-screening@forge.provo.novell.com |kernel-maintainers@forge.provo.novell.com -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.
https://bugzilla.novell.com/show_bug.cgi?id=403193 User SchwartzkopffD@Alte-Leipziger.de added comment https://bugzilla.novell.com/show_bug.cgi?id=403193#c1 --- Comment #1 from Dirk Schwartzkopff <SchwartzkopffD@Alte-Leipziger.de> 2008-06-25 05:35:28 MDT --- Works fine in open SUSE 10.3: # 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 : 450.000 cache size : 256 KB 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 up bogomips : 3590.54 clflush size : 64 # cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_available_frequencies 450000 675000 900000 1125000 1350000 1575000 1800000 # cpufreq-info cpufrequtils 002: cpufreq-info (C) Dominik Brodowski 2004-2006 Bitte melden Sie Fehler an http://bugs.opensuse.org. analysiere CPU 0: Treiber: p4-clockmod Folgende CPUs können nur gleichzeitig ihre Frequenz variieren: 0 Hardwarebedingte Grenzen der Taktfrequenz: 450 MHz - 1.80 GHz mögliche Taktfrequenzen: 450 MHz, 675 MHz, 900 MHz, 1.13 GHz, 1.35 GHz, 1.58 GHz, 1.80 GHz mögliche Regler: ondemand, performance momentane Taktik: die Frequenz soll innerhalb 450 MHz und 1.80 GHz. liegen. Der Regler "ondemand" kann frei entscheiden, welche Taktfrequenz innerhalb dieser Grenze verwendet wird. momentane Taktfrequenz ist 675 MHz (verifiziert durch Nachfrage bei der Hardware). # uname -a Linux a021323 2.6.22.17-0.1-default #1 SMP 2008/02/10 20:01:04 UTC i686 i686 i386 GNU/Linux -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.
https://bugzilla.novell.com/show_bug.cgi?id=403193 Lars Marowsky-Bree <lmb@novell.com> changed: What |Removed |Added ---------------------------------------------------------------------------- AssignedTo|kernel-maintainers@forge.provo.novell.com |trenn@novell.com -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.
https://bugzilla.novell.com/show_bug.cgi?id=403193 User trenn@novell.com added comment https://bugzilla.novell.com/show_bug.cgi?id=403193#c2 Thomas Renninger <trenn@novell.com> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |RESOLVED Resolution| |WONTFIX --- Comment #2 from Thomas Renninger <trenn@novell.com> 2008-07-07 10:35:03 MDT --- p4_clockmode should not be used at all. It is doing throttling through the wrong interface. Also it does not save or nearly no power at all. You may want to search the "cpufreq@lists.linux.org.uk" <cpufreq@lists.linux.org.uk> list archives... -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.
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