From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752661AbdBATuu (ORCPT ); Wed, 1 Feb 2017 14:50:50 -0500 Received: from shards.monkeyblade.net ([184.105.139.130]:46512 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752568AbdBATus (ORCPT ); Wed, 1 Feb 2017 14:50:48 -0500 Date: Wed, 01 Feb 2017 14:50:31 -0500 (EST) Message-Id: <20170201.145031.295104986575080480.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: <1485977680-203775-1-git-send-email-vijay.ac.kumar@oracle.com> References: <1485977680-203775-1-git-send-email-vijay.ac.kumar@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]); Wed, 01 Feb 2017 10:51:31 -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 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. I'm wondering why there is so much effort being directed into BRK behavior. If you want to break into the OK prompt, have the reboot-cmd environment variable set appropriately, and simply hit BRK and it will work in both ldom and non-ldom environments.