[Bug 88861] [efi, i915, vgaswitcheroo, black screen, nouveau] Screen goes black when switching from dedicated nvidia graphics card (nouveau) to integrated

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=88861

--- Comment #12 from Lukas Wunner <lukas at wunner.de> ---
Thanks for the report, Wilfried. Could you please create attachments with dmesg
output and Xorg output, both with and without this commit. Your kernel config
and Xorg config (if any) would also be helpful. Do you have anything special
configured in your Xorg config for the Intel card? Do you have any special
rEFInd features or extensions enabled which might change settings of the gmux
microcontroller?

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