[Bug 117131] vga_switcheroo does not switch IGP -> DIS ( IGP == i915 , DIS == radeon )

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=117131

--- Comment #14 from Alex Deucher <alexdeucher at gmail.com> ---
It sounds like it's a bug in the intel driver.  The radeon driver appears to be
loading fine.  Can you get any display on the intel card at all?  You can
blacklist the radeon driver (append modeprobe.blanklist=radeon to the kernel
command line in grub) to get that out of the way.  If you can't get any display
on the intel card, I'd suggest updating the intel xorg driver or trying a
different kernel to get a different intel kernel driver.

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