Created attachment 117829 [details] Kernel log when failing to boot normally I've been having problems booting when using a self-compiled kernel of the drm-next-4.3 branch from the agd5f repo. The amdgpu kernel driver complains that some va (virtual address?) conflicts with another, which makes it boot to a terminal. You can see the conflict in the kernel log: Aug 20 22:29:14 homer-desktop kernel: [ 6.762949] amdgpu 0000:01:00.0: bo ffff880620b34800 va 0x0000100000-0x0000100400 conflict with 0x0000100000-0x0000100400 Aug 20 22:29:14 homer-desktop kernel: [ 6.763693] amdgpu 0000:01:00.0: bo ffff880620b34800 va 0x0000100000-0x0000100400 conflict with 0x0000100000-0x0000100400 Aug 20 22:29:14 homer-desktop kernel: [ 6.764357] amdgpu 0000:01:00.0: bo ffff880620b34800 va 0x0000100000-0x0000100400 conflict with 0x0000100000-0x0000100400 Aug 20 22:29:14 homer-desktop kernel: [ 6.765032] amdgpu 0000:01:00.0: bo ffff880620b34800 va 0x0000100000-0x0000100400 conflict with 0x0000100000-0x0000100400 I do not have these problems when using a self-compiled kernel from the drm-next-4.2 or drm-fixes-4.2 branch, so something must have changed from 4.2 to 4.3 that causes the conflict. Using a Radeon R9 285 (TONGA) on Kubuntu vivid with mesa 11 from the oibaf ppa and a self-compiled xf86-video-amdgpu.
*** This bug has been marked as a duplicate of bug 91704 ***
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