Bug 105172

Created attachment 137457 [details]
xorg log

# first bad commit: [5b565e0e5a9872f8c5a459ce53f8d6a4b19a1a66] drm/amdgpu: expose the VA above the hole to userspace

commit 5b565e0e5a9872f8c5a459ce53f8d6a4b19a1a66 (refs/bisect/bad)
Author: Christian König <christian.koenig@amd.com>
Date:   Tue Nov 7 12:03:31 2017 +0100

    drm/amdgpu: expose the VA above the hole to userspace
    
    Let userspace know how much area we have above the 48bit VA hole on
    Vega10.
    
    Signed-off-by: Christian König <christian.koenig@amd.com>
    Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
    Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

My system:

Software versions:
    Linux 4.15.0-rc2+ x86_64
    OpenGL core profile version string: 4.5 (Core Profile) Mesa 18.1.0-devel (git-7be5f30bb1)

GPU hardware:
    OpenGL renderer string: Radeon RX Vega (VEGA10 / DRM 3.23.0 / 4.15.0-rc2+, LLVM 7.0.0)
    03:00.0 VGA compatible controller [0300]: Advanced Micro Devices, Inc. [AMD/ATI] Vega 10 XT [Radeon RX Vega 64] [1002:687f] (rev c3)

CPU hardware:
    AMD Phenom(tm) II X4 955 Processor

Weston also fails to start:

weston-launch: spawned weston with pid: 2501
Date: 2018-02-19 PST
[21:52:45.451] weston 3.0.0
               http://wayland.freedesktop.org
               Bug reports to: https://bugs.freedesktop.org/enter_bug.cgi?product=Wayland&component=weston&version=3.0.0
               Build: unknown (not built from git or tarball)
[21:52:45.451] Command line: /usr/bin/weston
[21:52:45.451] OS: Linux, 4.16.0-rc2, #2 SMP PREEMPT Mon Feb 19 19:32:23 PST 2018, x86_64
[21:52:45.452] Using config file '/home/james/.config/weston.ini'
[21:52:45.452] Output repaint window is 7 ms maximum.
[21:52:45.452] Loading module '/usr/lib64/libweston-3/drm-backend.so'
[21:52:45.453] initializing drm backend
weston-launch: opened /dev/dri/card0: ret: 0, fd: 4
[21:52:45.454] using /dev/dri/card0
[21:52:45.455] Loading module '/usr/lib64/libweston-3/gl-renderer.so'
radeonsi: Failed to create a context.
[21:52:45.531] EGL client extensions: EGL_EXT_client_extensions
               EGL_EXT_platform_base EGL_KHR_client_get_all_proc_addresses
               EGL_KHR_debug EGL_EXT_platform_wayland EGL_EXT_platform_x11
               EGL_MESA_platform_gbm EGL_MESA_platform_surfaceless
[21:52:45.531] warning: neither EGL_EXT_swap_buffers_with_damage or EGL_KHR_swap_buffers_with_damage is supported. Performance could be aff$
[21:52:45.531] EGL_KHR_surfaceless_context available
radeonsi: Failed to create a context.
[21:52:45.531] failed to create context
[21:52:45.531] EGL error state: EGL_BAD_ALLOC (0x3003)
[21:52:45.531] EGL error state: EGL_SUCCESS (0x3000)