[Bug 13860] powernow-k8, cpufreq, scaling_max_freq != cpuinfo_max_freq

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http://bugzilla.kernel.org/show_bug.cgi?id=13860





--- Comment #4 from pierrearinsal <pierre@xxxxxxxxxxxxxxxxxx>  2009-08-01 19:17:31 ---
here some news : suspending and resuming sometimes leads to limit cpu max freq
:

here is dmesg revelant part :
ACPI: Preparing to enter system sleep state S3
[18925.187533] Disabling non-boot CPUs ...
[18925.189717] CPU 1 is now offline
[18925.189722] SMP alternatives: switching to UP code
[18925.198074] CPU1 is down
[18925.198104] x86 PAT enabled: cpu 0, old 0x7040600070406, new 0x7010600070106
[18925.198104] Back to C!
[18925.198104] microcode: CPU0: AMD CPU family 0xf not supported
[18925.198104] Enabling non-boot CPUs ...
[18925.198104] SMP alternatives: switching to SMP code
[18925.205900] Booting processor 1 APIC 0x1 ip 0x6000
[18925.197253] Initializing CPU#1
[18925.197253] Calibrating delay using timer specific routine.. 3790.52
BogoMIPS (lpj=1895260)
[18925.197253] CPU: L1 I Cache: 64K (64 bytes/line), D cache 64K (64
bytes/line)
[18925.197253] CPU: L2 Cache: 512K (64 bytes/line)
[18925.197253] CPU 1/0x1 -> Node 0
[18925.197253] CPU: Physical Processor ID: 0
[18925.197253] CPU: Processor Core ID: 1
[18925.197253] x86 PAT enabled: cpu 1, old 0x7040600070406, new 0x7010600070106
[18925.276433] CPU1: AMD Turion(tm) 64 X2 Mobile Technology TL-58 stepping 01
[18925.276445] Switch to broadcast mode on CPU1
[18925.277043] Switched to high resolution mode on CPU 1
[18925.278315] microcode: CPU1: AMD CPU family 0xf not supported
[18925.279281] CPU1 is up
[18925.279284] ACPI: Waking up from system sleep state S3

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