diff --git a/src/nv_crtc.c b/src/nv_crtc.c
index 320b8f9..7c98743 100644
--- a/src/nv_crtc.c
+++ b/src/nv_crtc.c
@@ -1326,6 +1326,9 @@ static void nv_crtc_load_state_vga(xf86CrtcPtr crtc, RIVA_HW_STATE *state)
 	for (i = 0; i < 5; i++)
 		NVWriteVgaSeq(pNv, nv_crtc->head, i, regp->Sequencer[i]);
 
+	ErrorF("head 0 lock state %d, head 1 lock state %d\n", NVReadVgaCrtc(pNv, 0, NV_CIO_SR_LOCK_INDEX), NVReadVgaCrtc(pNv, 1, NV_CIO_SR_LOCK_INDEX));
+	for (i = 0; i < 8; i++)
+		ErrorF("going to write 0x%02x to CR%d, head %d\n", regp->CRTC[i], i, nv_crtc->head);
 	for (i = 0; i < 25; i++)
 		crtc_wr_cio_state(crtc, regp, i);
 
diff --git a/src/nv_hw.c b/src/nv_hw.c
index 2786e0d..6b6081a 100644
--- a/src/nv_hw.c
+++ b/src/nv_hw.c
@@ -282,6 +282,7 @@ static void NVLockVgaCrtc(NVPtr pNv, int head, bool lock)
 {
 	uint8_t cr11;
 
+	ErrorF("%slocking head %d\n", lock ? "" : "un", head);
 	NVWriteVgaCrtc(pNv, head, NV_CIO_SR_LOCK_INDEX,
 		       lock ? NV_CIO_SR_LOCK_VALUE : NV_CIO_SR_UNLOCK_RW_VALUE);