Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758715AbYGHXRb (ORCPT ); Tue, 8 Jul 2008 19:17:31 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756348AbYGHXOn (ORCPT ); Tue, 8 Jul 2008 19:14:43 -0400 Received: from gw.goop.org ([64.81.55.164]:51207 "EHLO mail.goop.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755806AbYGHXOk (ORCPT ); Tue, 8 Jul 2008 19:14:40 -0400 Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: [PATCH 08 of 55] xen: print backtrace on multicall failure X-Mercurial-Node: f6fe1b241a8240cb88d782d70c7cb605d4bae18b Message-Id: In-Reply-To: Date: Tue, 08 Jul 2008 15:06:30 -0700 From: Jeremy Fitzhardinge To: Ingo Molnar Cc: LKML , x86@kernel.org, Stephen Tweedie , Eduardo Habkost , Mark McLoughlin , x86@kernel.org Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 851 Lines: 25 Print a backtrace if a multicall fails, to help with debugging. Signed-off-by: Jeremy Fitzhardinge --- arch/x86/xen/multicalls.c | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/x86/xen/multicalls.c b/arch/x86/xen/multicalls.c --- a/arch/x86/xen/multicalls.c +++ b/arch/x86/xen/multicalls.c @@ -76,6 +76,7 @@ if (ret) { printk(KERN_ERR "%d multicall(s) failed: cpu %d\n", ret, smp_processor_id()); + dump_stack(); for (i = 0; i < b->mcidx; i++) { printk(" call %2d/%d: op=%lu arg=[%lx] result=%ld\n", i+1, b->mcidx, -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/