From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751352AbdBWQhe (ORCPT ); Thu, 23 Feb 2017 11:37:34 -0500 Received: from shards.monkeyblade.net ([184.105.139.130]:44104 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751156AbdBWQhc (ORCPT ); Thu, 23 Feb 2017 11:37:32 -0500 Date: Thu, 23 Feb 2017 11:27:57 -0500 (EST) Message-Id: <20170223.112757.212159908536361829.davem@davemloft.net> To: vijay.ac.kumar@oracle.com Cc: sparclinux@vger.kernel.org, karl.volz@oracle.com, rob.gardner@oracle.com, linux-kernel@vger.kernel.org Subject: Re: [PATCH v3 0/4] sparc64: Jump to boot prom from console on panic From: David Miller In-Reply-To: <271b7e7c-5e2f-eab6-d097-54145b777d73@oracle.com> References: <1485977680-203775-1-git-send-email-vijay.ac.kumar@oracle.com> <20170201.145031.295104986575080480.davem@davemloft.net> <271b7e7c-5e2f-eab6-d097-54145b777d73@oracle.com> X-Mailer: Mew version 6.7 on Emacs 24.5 / Mule 6.0 (HANACHIRUSATO) Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii 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]); Thu, 23 Feb 2017 07:29:05 -0800 (PST) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Vijay Kumar Date: Wed, 1 Feb 2017 15:20:08 -0600 > > On 2/1/2017 1:50 PM, David Miller wrote: >> From: Vijay Kumar >> Date: Wed, 1 Feb 2017 11:34:36 -0800 >> >>> Currently Stop-A (L1A) does not make the kernel switch to OBP on >>> panic. >> This is intentional, the kernel prints a message telling the user to >> press break (L1-A) if they want to drop out of the kernel and we force >> the break to be allowed by setting stop_a_enabled. > The problem is that pressing BRK after panic does not drop to OK > prompt (when > stop_a_enabled is set). So the kernel message to press Stop-A to > return to boot > prom is misleading in this case. Ok, I ended up applying this patch series, thanks. From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Date: Thu, 23 Feb 2017 16:27:57 +0000 Subject: Re: [PATCH v3 0/4] sparc64: Jump to boot prom from console on panic Message-Id: <20170223.112757.212159908536361829.davem@davemloft.net> List-Id: References: <1485977680-203775-1-git-send-email-vijay.ac.kumar@oracle.com> <20170201.145031.295104986575080480.davem@davemloft.net> <271b7e7c-5e2f-eab6-d097-54145b777d73@oracle.com> In-Reply-To: <271b7e7c-5e2f-eab6-d097-54145b777d73@oracle.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: vijay.ac.kumar@oracle.com Cc: sparclinux@vger.kernel.org, karl.volz@oracle.com, rob.gardner@oracle.com, linux-kernel@vger.kernel.org From: Vijay Kumar Date: Wed, 1 Feb 2017 15:20:08 -0600 > > On 2/1/2017 1:50 PM, David Miller wrote: >> From: Vijay Kumar >> Date: Wed, 1 Feb 2017 11:34:36 -0800 >> >>> Currently Stop-A (L1A) does not make the kernel switch to OBP on >>> panic. >> This is intentional, the kernel prints a message telling the user to >> press break (L1-A) if they want to drop out of the kernel and we force >> the break to be allowed by setting stop_a_enabled. > The problem is that pressing BRK after panic does not drop to OK > prompt (when > stop_a_enabled is set). So the kernel message to press Stop-A to > return to boot > prom is misleading in this case. Ok, I ended up applying this patch series, thanks.