http://cgit.freedesktop.org/beignet/commit/?h=Release_v1.0&id=9e8874c7a16b029d5b857a11ff9b23102752b4db
was intended to catch the "silently does nothing on large arrays" bug,
and does so (with the message "drm_intel_gem_bo_context_exec() failed:
No space left on device").
However, a user reports that it also breaks a previously
working-without-workarounds Haswell system, with
"drm_intel_gem_bo_context_exec() failed: Invalid argument":
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=781875#46
The usual i915_cmd_parser workaround did work, so it might be a good
idea to suggest it in this error message. (The Debian kernel does have
c9224fa..., https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=767148 ,
but as noted earlier this isn't enough for all Haswell systems.)
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