Comment # 3 on bug 1182775 from Fabian Vogt

(In reply to Fabian Vogt from comment #2)
> (In reply to Callum Farmer from comment #1)
> > Dup
> > 
> > *** This bug has been marked as a duplicate of bug 1179395 ***
> 
> That looks very unrelated - there's no rendering error here, the page never
> loads. For some reason only the first tab seems to be affected.
> 
> It seems like swiftshader is broken:
> 
> [6614:6614:0301/060825.571698:ERROR:viz_main_impl.cc(150)] Exiting GPU
> process due to errors during initialization
> [6703:6703:0301/060825.582497:ERROR:gl_initializer_linux_x11.cc(121)]
> eglGetProcAddress not found.
> [6703:6703:0301/060825.611236:ERROR:viz_main_impl.cc(150)] Exiting GPU
> process due to errors during initialization
> 
> /usr/lib64/chromium/swiftshader/libEGL.so has none of the required egl
> symbols defined. Force-disabling swiftshader by enabling the
> "#ignore-gpu-blocklist" flag helps.

Tried a few more things. chromium-88.0.4324.150-2.1.x86_64 works fine, neither
the tab hangs nor the egl error message appears. When forcing it to use
swiftshader with --use-gl=swiftshader-webgl, it prints the error message but
the tab loads properly anyway.