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Bug 1882125 - Document some steps that might be needed for running tsan builds r=padenot

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Differential Revision: https://phabricator.services.mozilla.com/D202922
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Nazım Can Altınova 2024-02-28 14:03:49 +00:00
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tools/sanitizer/docs/tsan.rst
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@ -167,6 +167,23 @@ After the build has completed, ``./mach run`` with the usual options for
running in a debugger (``gdb``, ``lldb``, ``rr``, etc.) work fine, as do
the ``--disable-e10s`` and other options.
While running Firefox, ensure that it's not in safe mode since it might cause
some tsan failures during startup. You can use a different profile or add
``--temp-profile`` to use a temporary one.
Firefox might crash on startup if you have an NVIDIA GPU with proprietary
drivers. To fix this, disable the graphics acceleration by changing the following
prefs:
- ``gfx.x11-egl.force-disabled=true``
- ``gfx.webrender.software.opengl=true``
- ``layers.acceleration.disabled=true``
You can either do this by passing these prefs to your ``./mach run`` command
like this: ``./mach run --setpref "gfx.x11-egl.force-disabled=true" --setpref "gfx.webrender.software.opengl=true" --setpref "layers.acceleration.disabled=true"``
or you can add them to your ``machrc`` file. Learn more about mach settings
:ref:`here<mach_settings>`.
Building only the JavaScript shell
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^