Anyone already tried to backport the latest ASPM kernel patch to 6.2?
On 02/13/2012 12:39 PM, Michael Lampe wrote:
> Patrick Lists wrote:
>> Iirc to enable ASPM on Fedora the kernel must be booted with
>> pcie_aspm=force. Maybe you need to use that option too? For more info
>> http://www.phoronix.com/scan.php?page=article&item=linux_aspm_solution&num =1
> That's no general solution. It may work, but (e.g.) it doesn't work for
> me on my Thinkpad X301. There are side-effects.
> The idea of the upstream patch is to mimic Windows:
> > With 3.2.5 "ASPM disabled" means: When the ACPI says ASPM is
> > disabled Linux will leave it alone, which is what Windows is
> > doing. The assumption is that explicitly disabling ASPM is more
> > problematic than doing nothing."
> (Copied somewhere from LKML.)
> In other words: my BIOS is broken. But it's broken for all Lenovo
> Notebooks. So ...
So for those of us that do not understand the intricacies of ASPM / BIOS
/ ACPI, how do we ensure we are getting the best (least) power consumption?
I have a new ASUS G73S with i7 8 core processor - running CentOS 6.2 and
loving it - no idea if this has or does not have ASPM support.
What do I need to do to test / check?
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