From mboxrd@z Thu Jan 1 00:00:00 1970 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755581AbeAIWR6 (ORCPT + 1 other); Tue, 9 Jan 2018 17:17:58 -0500 Received: from mail-qk0-f181.google.com ([209.85.220.181]:33021 "EHLO mail-qk0-f181.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755157AbeAIWR5 (ORCPT ); Tue, 9 Jan 2018 17:17:57 -0500 X-Google-Smtp-Source: ACJfBosKVIwbpgF3TxgukWGcnYmBPDBW5umC/QR0C/KCnih0etcye9JzGTNrL+mL2cVGEjd02OW87Q== Date: Tue, 9 Jan 2018 14:17:54 -0800 From: Tejun Heo To: Tetsuo Handa Cc: rostedt@goodmis.org, pmladek@suse.com, sergey.senozhatsky@gmail.com, jack@suse.cz, akpm@linux-foundation.org, peterz@infradead.org, rjw@rjwysocki.net, pavel@ucw.cz, linux-kernel@vger.kernel.org, sergey.senozhatsky.work@gmail.com Subject: Re: [RFC][PATCHv6 00/12] printk: introduce printing kernel thread Message-ID: <20180109221754.GV3668920@devbig577.frc2.facebook.com> References: <20171214181153.GZ3919388@devbig577.frc2.facebook.com> <20171214132109.32ae6a74@gandalf.local.home> <20171222000932.GG1084507@devbig577.frc2.facebook.com> <20171221231932.27727fab@vmware.local.home> <20180109200620.GQ3668920@devbig577.frc2.facebook.com> <201801100708.DFI39552.OQOFMLHJOVFStF@I-love.SAKURA.ne.jp> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <201801100708.DFI39552.OQOFMLHJOVFStF@I-love.SAKURA.ne.jp> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Return-Path: On Wed, Jan 10, 2018 at 07:08:30AM +0900, Tetsuo Handa wrote: > > * Netconsole tries to send out OOM messages and tries memory > > allocation which fails which then prints allocation failed messages. > > Because this happens while already printing, it just queues the > > messages to the buffer. This repeats. > > What? Does netconsole need to allocate memory when sending? I assume it does not. A lot of network drivers do, unfortunatley. Thanks. -- tejun