From mboxrd@z Thu Jan 1 00:00:00 1970 From: Gabriel de Perthuis Subject: Re: bcache and memory at boot. Bug? Date: Mon, 10 Feb 2014 11:40:29 +0000 (UTC) Message-ID: References: Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Return-path: Received: from plane.gmane.org ([80.91.229.3]:43929 "EHLO plane.gmane.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752195AbaBJLkz (ORCPT ); Mon, 10 Feb 2014 06:40:55 -0500 Received: from list by plane.gmane.org with local (Exim 4.69) (envelope-from ) id 1WCpEL-0003LW-CD for linux-bcache@vger.kernel.org; Mon, 10 Feb 2014 12:40:53 +0100 Received: from pro75-5-88-162-203-35.fbx.proxad.net ([88.162.203.35]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Mon, 10 Feb 2014 12:40:53 +0100 Received: from g2p.code by pro75-5-88-162-203-35.fbx.proxad.net with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Mon, 10 Feb 2014 12:40:53 +0100 Sender: linux-bcache-owner@vger.kernel.org List-Id: linux-bcache@vger.kernel.org To: linux-bcache@vger.kernel.org > Hello, > > I am using bcache in my laptop (RAM 32 GiB). I have been using it > perfectly for a month. ext4 + bcache. > > Yesterday, system did not want do to a normal startup. Messages where > from udev out of memory (and udevadm killed?) and system was not > mounting / (/dev/bcache0). > > [ 6.823222] bcache-register invoked oom-killer: gfp_mask=0x82d2, > order=0, oom_score_adj=0 Build your kernel with CONFIG_COMPACTION. I've added it to the FAQ: http://bcache.evilpiepirate.org/~kent/bcache/FAQ/