[Bug 396311] New: Kernel does no CPU Frequency scaling
https://bugzilla.novell.com/show_bug.cgi?id=396311 Summary: Kernel does no CPU Frequency scaling Product: openSUSE 11.0 Version: RC 1 Platform: 32bit OS/Version: openSUSE 11.0 Status: NEW Severity: Major Priority: P5 - None Component: Kernel AssignedTo: bnc-team-screening@forge.provo.novell.com ReportedBy: catcher@vollbio.de QAContact: qa@suse.de Found By: Beta-Customer Created an attachment (id=219453) --> (https://bugzilla.novell.com/attachment.cgi?id=219453) Output of powertop --dump Hi Problem: On my notebook the kernel does no Frequency scaling, the frequency always stays on the lowest possible value. No matter wheter the notebook is pluged in or on battery, idle or loaded the frequency stays the same. Notebook: FSC E8410, Intel C2D T9300 Processor Lowest frequency is 800MHz, highest is 2500MHz How I tested it? Idle system: 800MHz 4 copies of "yes >/dev/null" : 800MHz + 2 copies of "cat /dev/zero > /dev/null" : 800MHz It is a fresh install of Suse11RC1, and this really should be working, since it is working under WinXP Please tell me whether you need additional information -- 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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Cyril Hrubis
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Cyril Hrubis
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--- Comment #6 from Sebastian Gerecke
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Lars Marowsky-Bree
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Pablo Sanchez
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Len Brown
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--- Comment #44 from Thomas Renninger
Well, I booted with acpi_osi="!Windows 2006" and now the problem seems to have gone. Great! It's time to move away from osi=Windows ... I already set up a mail for the cpufreq list, but wanted to provide a patch with osi=spec_conform implemented. This is the correct fix (not a workaround) for this machine.
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Yakui Zhao
Method (\_SB._INI, 0, NotSerialized) { \_SB.OSTP () If (LGreaterEqual (\_SB.OSTP (), 0x40)) { Load (VIST, VSTH) }// because of the error, the _INI object will exit directly. \_SB.FEXT.BINI () // BINI object can't be executed. \_SB.PCI0.LPCB.TINI () //TINI object can't be executed. } From the AML code it seems that the following variables are initialized in
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