1 Oct
2014
1 Oct
'14
4:22 p.m.
https://bugzilla.kernel.org/show_bug.cgi?id=85311
--- Comment #3 from Alex Deucher alexdeucher@gmail.com --- When the radeon device is powered down, all the PCI registers and BARs read back as ones. which is why you are seeing the radeon errors. Apparently the pci runtime pm code does not properly ask the driver to power the card up before accessing those registers. Unfortunately, I'm not that familiar with the Linux runtime pm code. I have no idea about the i915 and apci messages.
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