x86: print out buggy mptable

print out buggy mptable, instead of skipping it quietly

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

diff --git a/arch/x86/kernel/mpparse.c b/arch/x86/kernel/mpparse.c
index 6e5e4547981cfc2677926d4cb248b5313106b7ee..70744e344fa1f7541e249299f1a056d2689cf7c3 100644 (file)
--- a/arch/x86/kernel/mpparse.c
+++ b/arch/x86/kernel/mpparse.c
@@ -390,10 +390,13 @@ static int __init smp_read_mpc(struct mp_config_table *mpc, unsigned early)
                                break;
                        }
                default:
-                       {
-                               count = mpc->mpc_length;
-                               break;
-                       }
+                       /* wrong mptable */
+                       printk(KERN_ERR "Your mptable is wrong, contact your HW vendor!\n");
+                       printk(KERN_ERR "type %x\n", *mpt);
+                       print_hex_dump(KERN_ERR, "  ", DUMP_PREFIX_ADDRESS, 16,
+                                       1, mpc, mpc->mpc_length, 1);
+                       count = mpc->mpc_length;
+                       break;
                }
 #ifdef CONFIG_X86_NUMAQ
                ++mpc_record;