--- drivers/input/mouse/psmouse.h.old	2010-02-28 22:33:42.771637775 +0200
+++ drivers/input/mouse/psmouse.h	2010-02-28 22:34:18.723638352 +0200
@@ -43,6 +43,7 @@
 	char *vendor;
 	char *name;
 	unsigned char packet[8];
+	int badchecksum;
 	unsigned char badbyte;
 	unsigned char pktcnt;
 	unsigned char pktsize;
--- drivers/input/mouse/psmouse-base.c.old	2010-02-28 22:33:20.299641616 +0200
+++ drivers/input/mouse/psmouse-base.c	2010-02-28 22:38:26.351640678 +0200
@@ -132,6 +132,9 @@
  * Full packet accumulated, process it
  */
 
+	if (psmouse->badchecksum)
+		return PSMOUSE_FULL_PACKET;
+
 /*
  * Scroll wheel on IntelliMice, scroll buttons on NetMice
  */
@@ -216,6 +219,7 @@
 static inline void __psmouse_set_state(struct psmouse *psmouse, enum psmouse_state new_state)
 {
 	psmouse->state = new_state;
+	psmouse->badchecksum = 0;
 	psmouse->pktcnt = psmouse->out_of_sync = 0;
 	psmouse->ps2dev.flags = 0;
 	psmouse->last = jiffies;
@@ -256,10 +260,12 @@
 					return -1;
 				}
 			}
+			psmouse->badchecksum = 0;
 			psmouse->pktcnt = 0;
 			break;
 
 		case PSMOUSE_FULL_PACKET:
+			psmouse->badchecksum = 0;
 			psmouse->pktcnt = 0;
 			if (psmouse->out_of_sync) {
 				psmouse->out_of_sync = 0;
@@ -269,6 +275,7 @@
 			break;
 
 		case PSMOUSE_GOOD_DATA:
+			psmouse->badchecksum = 0;
 			break;
 	}
 	return 0;
@@ -292,8 +299,12 @@
 			printk(KERN_WARNING "psmouse.c: bad data from KBC -%s%s\n",
 				flags & SERIO_TIMEOUT ? " timeout" : "",
 				flags & SERIO_PARITY ? " bad parity" : "");
-		ps2_cmd_aborted(&psmouse->ps2dev);
-		goto out;
+		if (0) {
+			ps2_cmd_aborted(&psmouse->ps2dev);
+			goto out;
+		} else {
+			psmouse->badchecksum = 1;
+		}
 	}
 
 	if (unlikely(psmouse->ps2dev.flags & PS2_FLAG_ACK))