hirakendu das wrote:
> Ok, its now great to know that its not just a problem limited to core
> duo cpu's but also amd based machines. Btw, do we all have hp notebooks,
> cos it might be something with the bios probably. Also, do all of us
> have a discrete graphics card ?
My Laptop is from Medion, but it is quite the same as the MSI S270. It
has a Radeon XPress 200M graphic card inside, I think it's discrete.
s2ram -i:
sys_product = "SAM2000"
sys_version = "0131"
bios_version = "A1013AM7 V3.70"
> About the C1 not being used, someone (Venkatesh Pallipadi, Intel)
> clarified that by C0, it means both C0 and C1. The exact state can't be
> determined. Only C0-C1 / C2 / C3 times can be measured and distinguished
> apparently. And besides 100% in C0 will kill the cpu (try giving
> idle=poll in kernel command line).
Funny thing is, with 2.6.23-rc8-hrt1 my CPU never leaves C0 even with
idle=poll.
> But about C3 not being used - thats probably really not being used.
> However, as said in many threads earlier, the hardware might really be
> invoking deeper C states when it shows in powertop as just C2.
>
> Btw, Is your cpu dual core? If so, does disabling smp work ? Do you also
> get the "tsc marked unstable" message in kernel log ?
It's a single core, AMD Turion(tm) 64 Mobile Technology ML-30.
Time: tsc clocksource has been installed.
Marking TSC unstable due to: cpufreq changes.
Clocksource tsc unstable (delta = -108470834 ns)
- Jan
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