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Re: Why Debian i915 intel driver depends on button.ko?

On Fri, Sep 14, 2012 at 15:13:02 +0400, Lucas wrote:

> I am trying to find out what can cause unusable screen picture on my Sandybridge Chipset
> 00:02.0 VGA compatible controller [0300]: Intel Corporation 2nd
> Generation Core Processor Family Integrated Graphics Controller
> [8086:0102] (rev 09)
> I compared outputs of lsmod from Ubuntu (3.2.0-25), Fedora (
> 3.4.2-1.fc16.x86_64)  and Debian Wheezy (3.2.0-3-amd64 / Debian
> 3.2.23-1) and it seems that Debian i915 depends on button.ko, which
> depends on ACPI lid button.
> I have Fedora and Ubuntu on laptop - they do not have that module
> loaded. So their i915 can operate without button.ko.
It's builtin in fedora.  I suspect it's the same in ubuntu.

> Was there any reason why Debian Intel video driver needs to be dependent on button.ko.

> And neither Fedora or Ubuntu has any modules belong to acpi (even on laptop).
> And what about desktops - there is no any lid buttons there.
> May be button.ko should be removed from i915 video driver?


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