the test case inside piglit that triggers the xorg crash is called glean/makeCurrent, and thus a faster way to repro the crash is to run just that test case:
./piglit-run.py -t glean/makeCurrent tests/all.tests result_dir
the test case inside piglit that triggers the xorg crash is called glean/makeCurrent, and thus a faster way to repro the crash is to run just that test case:
./piglit-run.py -t glean/makeCurrent tests/all.tests result_dir