diff --git a/[refs] b/[refs]
index 45f181a6cd63..3bcaddddc0bc 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: e3e59876e82a5e1a07f365d5474e7b6943524725
+refs/heads/master: 945b4ac44e5700acd3d974c176c8ace34b4d2e8e
diff --git a/trunk/arch/x86/kernel/amd_iommu.c b/trunk/arch/x86/kernel/amd_iommu.c
index 364c6de26374..e62b35f5df1b 100644
--- a/trunk/arch/x86/kernel/amd_iommu.c
+++ b/trunk/arch/x86/kernel/amd_iommu.c
@@ -147,6 +147,15 @@ static void dump_dte_entry(u16 devid)
 			amd_iommu_dev_table[devid].data[i]);
 }
 
+static void dump_command(unsigned long phys_addr)
+{
+	struct iommu_cmd *cmd = phys_to_virt(phys_addr);
+	int i;
+
+	for (i = 0; i < 4; ++i)
+		pr_err("AMD-Vi: CMD[%d]: %08x\n", i, cmd->data[i]);
+}
+
 static void iommu_print_event(void *__evt)
 {
 	u32 *event = __evt;
@@ -186,6 +195,7 @@ static void iommu_print_event(void *__evt)
 		break;
 	case EVENT_TYPE_ILL_CMD:
 		printk("ILLEGAL_COMMAND_ERROR address=0x%016llx]\n", address);
+		dump_command(address);
 		break;
 	case EVENT_TYPE_CMD_HARD_ERR:
 		printk("COMMAND_HARDWARE_ERROR address=0x%016llx "