From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751685AbcGNPbY (ORCPT ); Thu, 14 Jul 2016 11:31:24 -0400 Received: from mail-wm0-f47.google.com ([74.125.82.47]:38649 "EHLO mail-wm0-f47.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751150AbcGNPbW (ORCPT ); Thu, 14 Jul 2016 11:31:22 -0400 Date: Thu, 14 Jul 2016 17:31:20 +0200 From: Michal Hocko To: Ondrej Kozina Cc: Mikulas Patocka , Jerome Marchand , Stanislav Kozina , linux-mm@kvack.org, linux-kernel@vger.kernel.org, dm-devel@redhat.com Subject: Re: System freezes after OOM Message-ID: <20160714153120.GD12289@dhcp22.suse.cz> References: <57837CEE.1010609@redhat.com> <9be09452-de7f-d8be-fd5d-4a80d1cd1ba3@redhat.com> <20160712064905.GA14586@dhcp22.suse.cz> <20160713111006.GF28723@dhcp22.suse.cz> <20160714125129.GA12289@dhcp22.suse.cz> <740b17f0-e1bb-b021-e9e1-ad6dcf5f033a@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <740b17f0-e1bb-b021-e9e1-ad6dcf5f033a@redhat.com> User-Agent: Mutt/1.6.0 (2016-04-01) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu 14-07-16 16:08:28, Ondrej Kozina wrote: [...] > As Mikulas pointed out, this doesn't work. The system froze as well with the > patch above. Will try to tweak the patch with Mikulas's suggestion... Thank you for testing! Do you happen to have traces of the frozen processes? Does the flusher still gets throttled because the bias it gets is not sufficient. Or does it get throttled at a different place? -- Michal Hocko SUSE Labs From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-lf0-f70.google.com (mail-lf0-f70.google.com [209.85.215.70]) by kanga.kvack.org (Postfix) with ESMTP id 1592A6B0261 for ; Thu, 14 Jul 2016 11:31:23 -0400 (EDT) Received: by mail-lf0-f70.google.com with SMTP id p41so55778785lfi.0 for ; Thu, 14 Jul 2016 08:31:23 -0700 (PDT) Received: from mail-wm0-f50.google.com (mail-wm0-f50.google.com. [74.125.82.50]) by mx.google.com with ESMTPS id 206si2362626ljf.82.2016.07.14.08.31.21 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 14 Jul 2016 08:31:21 -0700 (PDT) Received: by mail-wm0-f50.google.com with SMTP id f65so70513141wmi.0 for ; Thu, 14 Jul 2016 08:31:21 -0700 (PDT) Date: Thu, 14 Jul 2016 17:31:20 +0200 From: Michal Hocko Subject: Re: System freezes after OOM Message-ID: <20160714153120.GD12289@dhcp22.suse.cz> References: <57837CEE.1010609@redhat.com> <9be09452-de7f-d8be-fd5d-4a80d1cd1ba3@redhat.com> <20160712064905.GA14586@dhcp22.suse.cz> <20160713111006.GF28723@dhcp22.suse.cz> <20160714125129.GA12289@dhcp22.suse.cz> <740b17f0-e1bb-b021-e9e1-ad6dcf5f033a@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <740b17f0-e1bb-b021-e9e1-ad6dcf5f033a@redhat.com> Sender: owner-linux-mm@kvack.org List-ID: To: Ondrej Kozina Cc: Mikulas Patocka , Jerome Marchand , Stanislav Kozina , linux-mm@kvack.org, linux-kernel@vger.kernel.org, dm-devel@redhat.com On Thu 14-07-16 16:08:28, Ondrej Kozina wrote: [...] > As Mikulas pointed out, this doesn't work. The system froze as well with the > patch above. Will try to tweak the patch with Mikulas's suggestion... Thank you for testing! Do you happen to have traces of the frozen processes? Does the flusher still gets throttled because the bias it gets is not sufficient. Or does it get throttled at a different place? -- Michal Hocko SUSE Labs -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org