https://bugzilla.kernel.org/show_bug.cgi?id=24002
Travis Jones <travisejo...@yahoo.com> changed:
What |Removed |Added
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CC| |travisejo...@yahoo.com
--- Comment #29 from Matthew Garrett <mjg59-ker...@srcf.ucam.org> 2011-04-27
11:36:07 ---
Nope. The WMI code should do very little unless one of the hardware-specific
WMI drivers loads. Is that happening here?
--- Comment #30 from deBK <d...@acad.umass.edu> 2011-04-27 14:20:12 ---
The motherboard provides a hotkey that Vista uses to cycle between 5 power
management modes. The comments in msi-wmi.c say the module handles the
hotkeys, but not this one. I have no idea about any of this, but it seems a
reasonable place to start looking for the problem. Also, a linux forum posting
has unearthed another user with this motherboard and the same problem.
--- Comment #31 from Travis Jones <travisejo...@yahoo.com> 2011-06-22 05:41:08
---
I can verify that excluding MSI in the kernel configuration allows the battery
information to be seen. I see no hardware-specific WMI modules loaded when WMI
is built-in.
Would it be possible to add a kernel boot parameter similar to acpi=off to
allow a user to turn off WMI on flaky hardware with out compiling the entire
kernel? For this particular laptop motherboard, MS-171F, no functionality is
missing without it. All the buttons work, even the hot key mentioned in
comment #30 (labeled P1) generates the character "±" on the command line and in
other applications.
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