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In the original selftest, we didn't care what the engine->id was, just that it could uniquely identify it. Later though, we started tracking the mock engines in the fixed size arrays around the drm_i915_private and so we now require their indices to be correct. This becomes an issue when using the standalone harness which runs all available tests at module load, and so we quickly assign an out-of-bounds index to an engine as we reallocate the mock GEM device between tests. It doesn't show up in igt/drv_selftest as that runs each subtest individually. Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=102045 Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Link: https://patchwork.freedesktop.org/patch/msgid/20170809163930.26470-1-chris@chris-wilson.co.uk Reviewed-by: Mika Kuoppala <mika.kuoppala@intel.com>
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.