https://bugs.freedesktop.org/show_bug.cgi?id=65068
--- Comment #5 from Alex Deucher <ag...@yahoo.com> --- (In reply to comment #4) > I'm not sure if this has anything to do with this bug, but the PCI config > space is all messed up when running on the integrated GPU: When you disable the GPU the hardware is physically powered off so you are accessing non-existent registers. You need to power up the GPU using vgaswitcheroo before loading/resuming the driver or access the config space with lspci. -- You are receiving this mail because: You are the assignee for the bug.
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