--- zzzz-none-000/linux-2.6.13.1/drivers/scsi/sd.c	2005-09-10 02:42:58.000000000 +0000
+++ ohio-7170-487/linux-2.6.13.1/drivers/scsi/sd.c	2009-01-09 12:50:53.000000000 +0000
@@ -1077,6 +1077,15 @@
 			/* Wait 1 second for next try */
 			msleep(1000);
 			printk(".");
+		/* == AVM/WK Fix ported from Kernel 2.6.19 == */
+		} else if (sense_valid && sshdr.sense_key == UNIT_ATTENTION && sshdr.asc == 0x28) {
+			printk (KERN_NOTICE "AVM/WK fix: UNIT_ATTENTION: Medium changed\n");
+			if (!spintime) {
+				spintime = 1;
+				spintime_value = jiffies;
+			}
+			/* Wait 1 second for next try */
+			msleep(1000);
 		} else {
 			/* we don't understand the sense code, so it's
 			 * probably pointless to loop */