[Bug 105811] kernel 4.15.x boot fails at kms

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=105811

--- Comment #9 from Jani Nikula <jani.nikula at intel.com> ---
[    3.562059] bbswitch: loading out-of-tree module taints kernel.
[    3.562266] bbswitch: version 0.8
[    3.562272] bbswitch: Found integrated VGA device 0000:00:02.0:
\_SB_.PCI0.VID_
[    3.562278] bbswitch: Found discrete VGA device 0000:01:00.0:
\_SB_.PCI0.PEG_.VID_
[    3.562286] ACPI Warning: \_SB.PCI0.PEG.VID._DSM: Argument #4 type mismatch
- Found [Buffer], ACPI requires [Package] (20180105/nsarguments-100)
[    3.562634] bbswitch: detected an Optimus _DSM function
[    3.562644] pci 0000:01:00.0: enabling device (0000 -> 0003)
[    3.562676] bbswitch: Succesfully loaded. Discrete card 0000:01:00.0 is on

Can you disable the discrete card and run without out-of-tree stuff?

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