Comment # 4
on bug 111228
from Maik Freudenberg
Both amdgpu and modesetting driver were tested, same effect. Most notewothy in the non-prime modesetting driver case is this: [ 5.477] (EE) modeset(0): [DRI2] No driver mapping found for PCI device 0x1002 / 0x15d8 [ 5.477] (EE) modeset(0): Failed to initialize the DRI2 extension. [ 5.477] (--) RandR disabled [ 5.480] (II) SELinux: Disabled on system [ 5.480] (II) AIGLX: Screen 0 is not DRI2 capable [ 5.480] (EE) AIGLX: reverting to software rendering On those other systems mentioned with 2GB VRAM, the modesetting driver runs fine in any case. This seems to be a different bug with the modesetting driver, though. Non-prime+amdgpu driver runs fine. Since the display starts to work after a suspend/resume cycle, seems to be a kernel bug?
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