Kristen Carlson Accardi <[EMAIL PROTECTED]> writes:
[...]
> I've updated the hardware based patches and posted to the mailing list -
> they do indeed save anywhere from .6-1.5 watts depending on the system,
> on my X60 they save about a watt. I don't think that a hardware based
> solution is irre
> [] kthread+0x0/0x80
> [] child_rip+0x0/0x12
>
> Looks like the kernel complains about a bug or something at this
> point?! Because I am not a developer I can't tell for sure, but I
> don't think this is all good.
> It is printed to dmesg when booting and a second ti
Peter Ganzhorn <[EMAIL PROTECTED]> writes:
> I just wanted to have a look at the patch and see if it works for me -
> looks like somethings not all straight, I get this while booting:
>
> ahci :00:1f.2: version 2.2
> ACPI: PCI Interrupt :00:1f.2[C] -> GSI 19 (level, low) -> IRQ 19
> ahci
Tejun Heo has made an excellent patch for saving power with the AHCI
chipset. It saves about 1 W on my Thinkpad X60s.
This patch will stop the ports when they are idle. To turn it on,
echo 1 > /sys/module/libata/parameters/powersave
This is very different from the patch I posted a while ag