diff --git a/config-debug b/config-debug
index 19ae4656f..e3c1e6e44 100644
--- a/config-debug
+++ b/config-debug
@@ -104,3 +104,8 @@ CONFIG_DEFAULT_HUNG_TASK_TIMEOUT=120
 # CONFIG_BOOTPARAM_HUNG_TASK_PANIC is not set
 
 CONFIG_X86_BOOTPARAM_MEMORY_CORRUPTION_CHECK=y
+
+CONFIG_DEBUG_KMEMLEAK=y
+CONFIG_DEBUG_KMEMLEAK_EARLY_LOG_SIZE=1024
+# CONFIG_DEBUG_KMEMLEAK_TEST is not set
+CONFIG_DEBUG_KMEMLEAK_DEFAULT_OFF=y
diff --git a/kernel.spec b/kernel.spec
index ceea70ed4..add1c5ac6 100644
--- a/kernel.spec
+++ b/kernel.spec
@@ -706,6 +706,9 @@ Patch21227: mac80211-fix-work-removal-on-deauth-request.patch
 #rhbz 718790
 Patch21230: rds-Make-rds_sock_lock-BH-rather-than-IRQ-safe.patch
 
+#rhbz 784345
+Patch21231: realtek_async_autopm.patch
+
 Patch22000: rcu-reintroduce-missing-calls.patch
 
 %endif
@@ -1306,6 +1309,9 @@ ApplyPatch fs-Inval-cache-for-parent-block-device-if-fsync-called-on-part.patch
 # Remove overlap between bcma/b43 and brcmsmac and reenable bcm4331
 ApplyPatch bcma-brcmsmac-compat.patch
 
+#rhbz 784345
+ApplyPatch realtek_async_autopm.patch
+
 # END OF PATCH APPLICATIONS
 
 %endif
@@ -1953,6 +1959,12 @@ fi
 # and build.
 
 %changelog
+* Mon Jan 30 2012 Dave Jones <davej@redhat.com>
+- Enable kmemleak (off by default) in kernel-debug (rhbz 782419)
+
+* Mon Jan 30 2012 Dave Jones <davej@redhat.com>
+- Test fix for realtek_async_autopm oops from Stanislaw Gruszka (rhbz 784345)
+
 * Mon Jan 30 2012 Dave Jones <davej@redhat.com>
 - Restore the Savage DRM and several others that were accidentally early-deprecated.
 
diff --git a/realtek_async_autopm.patch b/realtek_async_autopm.patch
new file mode 100644
index 000000000..3c6b45cca
--- /dev/null
+++ b/realtek_async_autopm.patch
@@ -0,0 +1,13 @@
+diff --git a/drivers/usb/storage/realtek_cr.c b/drivers/usb/storage/realtek_cr.c
+index 1f62723..d32f720 100644
+--- a/drivers/usb/storage/realtek_cr.c
++++ b/drivers/usb/storage/realtek_cr.c
+@@ -789,7 +789,7 @@ static void rts51x_suspend_timer_fn(unsigned long data)
+ 			rts51x_set_stat(chip, RTS51X_STAT_SS);
+ 			/* ignore mass storage interface's children */
+ 			pm_suspend_ignore_children(&us->pusb_intf->dev, true);
+-			usb_autopm_put_interface(us->pusb_intf);
++			usb_autopm_put_interface_async(us->pusb_intf);
+ 			US_DEBUGP("%s: RTS51X_STAT_SS 01,"
+ 				"intf->pm_usage_cnt:%d, power.usage:%d\n",
+ 				__func__,