From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751789AbcFVSsL (ORCPT ); Wed, 22 Jun 2016 14:48:11 -0400 Received: from shards.monkeyblade.net ([149.20.54.216]:51102 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750957AbcFVSsJ (ORCPT ); Wed, 22 Jun 2016 14:48:09 -0400 Date: Wed, 22 Jun 2016 14:48:01 -0400 (EDT) Message-Id: <20160622.144801.1635213470824395549.davem@davemloft.net> To: hikanda@zlab.co.jp Cc: sparclinux@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] sparc64: Swap registers for fault code and address in mna trap From: David Miller In-Reply-To: References: <20160617.231234.1295900275353757289.davem@davemloft.net> X-Mailer: Mew version 6.7 on Emacs 24.5 / Mule 6.0 (HANACHIRUSATO) Mime-Version: 1.0 Content-Type: Text/Plain; charset=iso-2022-jp Content-Transfer-Encoding: 7bit X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.5.12 (shards.monkeyblade.net [149.20.54.216]); Wed, 22 Jun 2016 11:48:08 -0700 (PDT) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: 神田　尚 Date: Tue, 21 Jun 2016 10:36:42 +0000 > Hi, David > > Thank you for your reply. > >> If you can really trigger this code path, please post the kernel log >> backtrace that happens when the BUG() triggers. That way we can >> figure out what the real problem is. > I'm sorry I cannot show the information. I don't have now. > In fact, BUG() in do_sparc64_fault occurred in modified version > of linux-2.6.25.8 on SPARC64VIIIfx. I'm misunderstanding that > the same problem remains in the latest. You have to show me that the calltrace occurs with the latest kernel.