Thanks, that log is good. The only real error I can see is that your GPU
doesn't support some feature gnome-shell is trying to use:
Jan 21 10:25:58 HackBook gnome-shell[1919]: Shader compilation failed:
0:44(42): warning: `cogl_texel0'
used uninitialized
0:72(36): error: could not
implicitly convert operands to arithmetic operator
0:72(18): error: operands to
arithmetic operators must be numeric
Jan 21 10:25:58 HackBook gnome-shell[1919]: Failed to link GLSL program:
error: linking with
uncompiled/unspecialized shader
Jan 21 10:25:58 HackBook gnome-shell[1919]:
driver/gl/cogl-pipeline-progend-glsl.c:384: GL error (1282): Invalid operation
Jan 21 10:25:58 HackBook gnome-shell[1919]:
driver/gl/cogl-pipeline-progend-glsl.c:399: GL error (1282): Invalid operation
Jan 21 10:25:58 HackBook gnome-shell[1919]:
driver/gl/cogl-pipeline-progend-glsl.c:409: GL error (1282): Invalid operation
Jan 21 10:25:58 HackBook gnome-shell[1919]:
driver/gl/cogl-pipeline-progend-glsl.c:796: GL error (1282): Invalid operation
Jan 21 10:25:58 HackBook gnome-shell[1919]:
driver/gl/cogl-pipeline-progend-glsl.c:823: GL error (1282): Invalid operation
Jan 21 10:25:58 HackBook gnome-shell[1919]:
driver/gl/cogl-pipeline-progend-glsl.c:827: GL error (1282): Invalid operation
Jan 21 10:25:58 HackBook gnome-shell[1919]:
driver/gl/cogl-pipeline-progend-glsl.c:831: GL error (1282): Invalid operation
Jan 21 10:25:58 HackBook gnome-shell[1919]: driver/gl/cogl-buffer-gl.c:198: GL
error (1282): Invalid operation
Jan 21 10:25:58 HackBook gnome-shell[1919]:
driver/gl/cogl-pipeline-progend-glsl.c:213: GL error (1282): Invalid operation
Jan 21 10:25:58 HackBook gnome-shell[1919]:
driver/gl/cogl-pipeline-progend-glsl.c:213: GL error (1282): Invalid operation
Jan 21 10:25:58 HackBook gnome-shell[1919]:
driver/gl/cogl-pipeline-progend-glsl.c:213: GL error (1282): Invalid operation
Jan 21 10:26:02 HackBook /usr/lib/gdm3/gdm-wayland-session[1368]:
gnome-session-binary[1372]: DEBUG(+): GsmSystemd: received logind signal:
PrepareForShutdown
Jan 21 10:26:02 HackBook gnome-session-binary[1372]: DEBUG(+): GsmSystemd:
received logind signal: PrepareForShutdown
But that GLSL trouble might not be the real problem. If you look at the
timestamps you can see there is only 4 seconds between the GLSL errors
and the machine being told to shut down. So I suspect you're not waiting
long enough for the machine to start up and killing it in the middle of
the start-up process (which seems very slow, but still seems to be
working). Please try waiting 15 minutes next time and send us a fresh
log from that.
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https://bugs.launchpad.net/bugs/1811599
Title:
When booting, the computer hangs at a purple screen and no login
prompt is ever displayed [Apple Macbook 2,1 - Core 2 T7200]
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