From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755071AbeASIcg (ORCPT ); Fri, 19 Jan 2018 03:32:36 -0500 Received: from mail-pf0-f175.google.com ([209.85.192.175]:37538 "EHLO mail-pf0-f175.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754693AbeASIc0 (ORCPT ); Fri, 19 Jan 2018 03:32:26 -0500 X-Google-Smtp-Source: ACJfBouilGjgZKUQqu0X3Nu4cum8v3o4EVdIC/Zlx0tSwHwIb2+KL5ScqAsgDQYzTZOZh9msLhKBvQ== Date: Fri, 19 Jan 2018 17:32:22 +0900 From: Sergey Senozhatsky To: Dave Young Cc: Sergey Senozhatsky , Andi Kleen , pmladek@suse.com, sergey.senozhatsky@gmail.com, rostedt@goodmis.org, linux-kernel@vger.kernel.org, akpm@linux-foundation.org, kexec@lists.infradead.org Subject: Re: [PATCH] print kdump kernel loaded status in stack dump Message-ID: <20180119083222.GB477@jagdpanzerIV> References: <20180117045057.GA4994@dhcp-128-65.nay.redhat.com> <878tcvt592.fsf@linux.intel.com> <20180119054538.GA484@jagdpanzerIV> <20180119081628.GB3985@dhcp-128-65.nay.redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20180119081628.GB3985@dhcp-128-65.nay.redhat.com> User-Agent: Mutt/1.9.2 (2017-12-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On (01/19/18 16:16), Dave Young wrote: > I thought about adding an option to improve printk_delay so it can > delay every n lines, eg. 25 rows. Maybe that idea works for this > issue? /* sent the message too soon */ printk_delay() has no effect there. it limits only printk()->vprintk_emit() and we don't have any new printk()-s once the system has panic-ed. it's console_unlock() that prints out the oops. -ss