linux-kernel - [PATCH] x86: print out buggy mptable

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Message-Id: <200804071136.40000.yhlu.kernel@gmail.com>
Date:	Mon, 7 Apr 2008 11:36:39 -0700
From:	Yinghai Lu <yhlu.kernel.send@...il.com>
To:	Ingo Molnar <mingo@...e.hu>,
	Andrew Morton <akpm@...ux-foundation.org>
Cc:	kernel list <linux-kernel@...r.kernel.org>
Subject: [PATCH] x86: print out buggy mptable

print out buggy mptable, instead of skipping it quietly

Signed-off-by: Yinghai Lu <yhlu.kernel@...il.com>

Index: linux-2.6/arch/x86/kernel/mpparse.c
===================================================================
--- linux-2.6.orig/arch/x86/kernel/mpparse.c
+++ linux-2.6/arch/x86/kernel/mpparse.c
@@ -391,6 +391,10 @@ static int __init smp_read_mpc(struct mp
 			}
 		default:
 			{
+				/* wrong mptable */
+				printk(KERN_ERR "type %x\n", *mpt);
+				printk(KERN_ERR "Your mptable is wrong, contact your HW vendor!\n");
+				print_hex_dump(KERN_ERR, "  ", DUMP_PREFIX_ADDRESS, 16, 1, mpc, mpc->mpc_length, 1);
 				count = mpc->mpc_length;
 				break;
 			}
--
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