[Bug 220565] [NEW] WMI backport in 2.6.24 for 8.04 LTS

Yann lostec at hotmail.fr
Tue Apr 22 10:56:40 UTC 2008


Public bug reported:

Binary package hint: linux-backports-modules-hardy

Kernel 2.6.25 adds an important feature for the growing nb of laptop
users: Support of WMI ACPI extension.

This extension is often used to control graphic boards fan (as well as
some special buttons, but this is less important) and there is no easy
hack for concerned hardware under linux (on toshiba P100 series with
nvidia 7XXX graphics, for instance, there was a DSDT hack to program the
fan at medium speed: We loose auto-adaptive rpm driven by WMI extensions
that was less noisy, but that's better than graphic subsystem reaching
100°C).

As LTS missed this feature for only one kernel release, maybe it should
be in the backport short list for a LTS that will last next 3 years?

See:
http://kernelnewbies.org/Linux_2_6_25#head-8a011556d794e4450bed6d3d96e6be243e92cef5

Best Regards.

** Affects: linux-meta (Ubuntu)
     Importance: Undecided
         Status: New

-- 
WMI backport in 2.6.24 for 8.04 LTS
https://bugs.launchpad.net/bugs/220565
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