Line 3039 in the source can also cause the message:
if (flip_sync == FLIP_ASYNC) { if (!drmmode_wait_vblank(crtc, DRM_VBLANK_RELATIVE | DRM_VBLANK_EVENT, 0, drm_queue_seq, NULL, NULL)) goto flip_error; goto next; }
Line 3039 in the source can also cause the message:
if (flip_sync == FLIP_ASYNC) { wait_vblank( crtc,
DRM_VBLANK_ RELATIVE |
DRM_VBLANK_ EVENT,
if (!drmmode_
0, drm_queue_seq,
NULL, NULL))
goto flip_error;
goto next;
}