From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mx0b-00082601.pphosted.com ([67.231.153.30]:46775 "EHLO mx0b-00082601.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757116AbaCTNra (ORCPT ); Thu, 20 Mar 2014 09:47:30 -0400 Message-ID: <532AF211.5000100@fb.com> Date: Thu, 20 Mar 2014 09:50:09 -0400 From: Chris Mason MIME-Version: 1.0 To: Duncan <1i5t5.duncan@cox.net>, Subject: Re: btrfs-rmw-2: page allocation failure: order:1, mode:0x8020 References: <20140320002007.GY18959@merlins.org> In-Reply-To: Content-Type: text/plain; charset="UTF-8"; format=flowed Sender: linux-btrfs-owner@vger.kernel.org List-ID: On 03/20/2014 02:19 AM, Duncan wrote: > Chris Mason posted on Thu, 20 Mar 2014 01:01:35 +0000 as excerpted: > >> Message-ID: >> Accept-Language: en-US >> Content-Type: text/plain; charset=euc-kr >> Content-Transfer-Encoding: base64 >> Content-Language: en-US > >>>> Sorry, I misspoke, you should bump /proc/sys/vm/min_free_kbytes. >>>> Honestly though, it©ös just a bug in the mvs driver. Atomic 8K >>>> allocations are doomed to fail eventually. > >> The process is a btrfs worker, and the IO was started by btrfs, but the >> allocation failure is all inside the mvs driver. There¡¯s even the >> printk in there from mvs about the allocation failing. > >> -chris >> >> N‹§²æìrž›yúèšØb²X¬¶Ç§vØ^–)Þº{.nÇ+‰·¥Š{±nÚß²)í…æèw*jg¬±š¶‰šŽŠÝ¢ > j/êäz¹Þ–Šà2ŠÞ™šè­Ú&¢)ß¡«a¶Úþø®G«éh®æj:+v‰šŠwè†Ù¥ > > > Chris, you might wish to take a look at this and/or have one of the FB > techs familiar with your mail transport layers (and/or your mail client, > and/or perhaps it's vger's list-serv bot) look at it. That list-sig came > thru as garbage at least here, and your "it's" and "there's" appear to > have strange apostrophes as well. As you can see I also included the > headers I think might be relevant, plus the Message-ID. > So the list-sig is a vger feature. It just tacks on the list sig regardless of the encoding of the message, which generates garbage some times. The rest sounds like a facebook feature. I've got thunderbird configured to force saner encodings, hopefully it'll be more consistent now. Thanks -chris