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>

1 files changed, 7 insertions, 4 deletions

diff --git a/arch/x86/kernel/mpparse.c b/arch/x86/kernel/mpparse.c
index 6e5e4547981c..70744e344fa1 100644
--- 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;