i915/gem_mmap_gtt: Impose a timeout for "hang"

Only wait a maximum of 2 more seconds for the hang children to complete,
to catch deadlocks in a timely fashion.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Mika Kuoppala <mika.kuoppala@intel.com>
Reviewed-by: Mika Kuoppala <mika.kuoppala@intel.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/tests/i915/gem_mmap_gtt.c b/tests/i915/gem_mmap_gtt.c
index f9d811ad..f6fbbe19 100644
--- a/tests/i915/gem_mmap_gtt.c
+++ b/tests/i915/gem_mmap_gtt.c
@@ -450,7 +450,7 @@ test_hang(int fd)
 	igt_info("%lu resets\n", count);
 
 	control->done = true;
-	igt_waitchildren();
+	igt_waitchildren_timeout(2, NULL);
 
 	igt_assert(!control->error);
 	munmap(control, 4096);