https://bugs.freedesktop.org/show_bug.cgi?id=40423
--- Comment #11 from Julien Cristau jcristau@debian.org 2011-08-30 14:33:54 PDT ---
--- Comment #9 from Benoit Jacob bjacob@mozilla.com 2011-08-30 14:00:11 PDT --- The original version used an uninitialized value for the file descriptor it was writing to. This version now uses standard output, so one can see what information glxtest is sending to Firefox.
Not that it matters much, but stdout is 1, not 0 ;)