amdgpu-glamoregl
(EE) AMDGPU(0): eglGetDisplay() failed
(EE) AMDGPU(0): glamor detected, failed to initialize EGL.
(WW) AMDGPU(0): amdgpu_glamor_pre_init returned FALSE, using ShadowFB
(==) AMDGPU(0): DRI3 disabled
(WW) AMDGPU(0): Direct rendering disabled
(II) AMDGPU(0): 2D and 3D acceleration disabled
(II) AIGLX: Screen 0 is not DRI2 capable
(II) IGLX: Loaded and initialized swrast
tux@slitaz:~$ egrep 'failed|disabled|glamor|DRI[23]|GLX' /var/log/Xorg.0.log
[ 25.186] (WW) Open ACPI failed (/var/run/acpid.socket) (No such file or directory)
[ 25.220] (II) Loading sub module "glamoregl"
[ 25.220] (II) LoadModule: "glamoregl"
[ 25.220] (II) Loading /usr/lib/X11/modules/libglamoregl.so
[ 25.222] (II) Module glamoregl: vendor="X.Org Foundation"
[ 25.222] (EE) AMDGPU(0): eglGetDisplay() failed
[ 25.223] (EE) AMDGPU(0): glamor detected, failed to initialize EGL.
[ 25.223] (WW) AMDGPU(0): amdgpu_glamor_pre_init returned FALSE, using ShadowFB
[ 25.230] (==) AMDGPU(0): DRI3 disabled
[ 25.230] (WW) AMDGPU(0): Direct rendering disabled
[ 25.230] (II) AMDGPU(0): 2D and 3D acceleration disabled
[ 25.240] (II) Initializing extension GLX
[ 25.240] (II) AIGLX: Screen 0 is not DRI2 capable
[ 25.244] (II) IGLX: Loaded and initialized swrast
[ 25.244] (II) GLX: Initialized DRISWRAST GL provider for screen 0
[ 25.244] (II) Initializing extension DRI2
https://forum.slitaz.org/topic/usage-of-slitaz-40-rolling/page/33#post-52819