http://bugzilla.kernel.org/show_bug.cgi?id=11753
[EMAIL PROTECTED] changed:
What |Removed |Added
----------------------------------------------------------------------------
CC|acpi- |[EMAIL PROTECTED]
|[EMAIL PROTECTED]|
|et |
Component|ACPICA-Core |Video(Other)
Product|ACPI |Drivers
------- Comment #23 from [EMAIL PROTECTED] 2008-11-02 19:11 -------
First, as you have a nvidia graphics card on your laptop,
I suggest you not use the ACPI video driver.
And the test result in comment #32 shows that
the computer reboots when executing an SMI call which is transparent to OS.
So this is apparently a BIOS bug(buggy BIOS calls) to me.
and this also means that the ACPI Backlight interface for nvidia card doesn't
work.
For this issue, I think you can
1. blacklist the ACPI video driver to prevent the computer from reboot
2. use some nvidia specific tools for backlight control.(I can not help you on
this because I know little about nvidia)
so I think this is really a "how to control backlight on nvidia platform"
problem, right?
I think we need some help from the nvidia guys. :)
re-assign to the video driver category.
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