diff --git a/drivers/net/cxgb3/cxgb3_main.c b/drivers/net/cxgb3/cxgb3_main.c
index 57fc199..c00f2df 100644
--- a/drivers/net/cxgb3/cxgb3_main.c
+++ b/drivers/net/cxgb3/cxgb3_main.c
@@ -2297,6 +2297,10 @@
 
 	if (adapter->flags & FULL_INIT_DONE) {
 		t3_sge_stop(adapter);
+		t3_write_reg(adapter, A_XGM_TX_CTRL, 0);
+		t3_write_reg(adapter, A_XGM_RX_CTRL, 0);
+		t3_write_reg(adapter, XGM_REG(A_XGM_TX_CTRL, 1), 0);
+		t3_write_reg(adapter, XGM_REG(A_XGM_RX_CTRL, 1), 0);
 		t3_intr_disable(adapter);
 	}
 	CH_ALERT(adapter, "encountered fatal error, operation suspended\n");