Enabling hangcheck only takes effect at the start of a new request queue. Before we re-enable hangcheck after our poking around, we therefore need to wait until the gpu is idle otherwise the next test will start without hangcheck and subsequently hang forever. Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> Cc: Petri Latvala <petri.latvala@xxxxxxxxx> --- tests/kms_busy.c | 1 + 1 file changed, 1 insertion(+) diff --git a/tests/kms_busy.c b/tests/kms_busy.c index d821ec711..ed3caae4c 100644 --- a/tests/kms_busy.c +++ b/tests/kms_busy.c @@ -138,6 +138,7 @@ static void flip_to_fb(igt_display_t *dpy, int pipe, igt_assert(poll(&pfd, 1, 0) == 0); if (modeset) { + gem_quiescent_gpu(dpy->drm_fd); igt_set_module_param_int("enable_hangcheck", 1); /* Clear old mode blob. */ -- 2.19.0 _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx