[Bug 36642] Oops on vgaswitcheroo from intel IGD to radeon DIS.

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=36642


Alex Deucher <alexdeucher at gmail.com> changed:

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                 CC|                            |alexdeucher at gmail.com




--- Comment #4 from Alex Deucher <alexdeucher at gmail.com>  2012-03-25 13:35:52 ---
Most recent hybrid laptops are muxless so the laptop panel is not actually
connected to the discrete chip.  Most likely X is failing to start on radeon
since the are no connected displays.  The only way to support these systems is
with fairly major changes to the X server to support decoupled display and
rendering.  Work has begun on these changes, but they are not ready for end
users yet.  Can you attach your full dmesg and xorg log after trying to switch
to radeon?

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