From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mx0a-00082601.pphosted.com ([67.231.145.42]:23015 "EHLO mx0a-00082601.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755800AbaGVOxN (ORCPT ); Tue, 22 Jul 2014 10:53:13 -0400 Message-ID: <53CE7ACF.7070109@fb.com> Date: Tue, 22 Jul 2014 10:53:03 -0400 From: Chris Mason MIME-Version: 1.0 To: Martin Steigerwald , Cody P Schafer CC: Chris Samuel , Subject: Re: Blocked tasks on 3.15.1 References: <52e3cfababa49919100759860b59aa7c@admin.virtall.com> <53C7CD0F.7070603@fb.com> <1745216.hDa4tC2HJJ@merkaba> In-Reply-To: <1745216.hDa4tC2HJJ@merkaba> Content-Type: text/plain; charset="ISO-8859-1" Sender: linux-btrfs-owner@vger.kernel.org List-ID: On 07/19/2014 02:23 PM, Martin Steigerwald wrote: >> Running 3.15.6 with this patch applied on top: >> - still causes a hang with `rsync -hPaHAXx --del /mnt/home/nyx/ /home/nyx/` >> - no extra error messages printed (`dmesg | grep racing`) compared to >> without the patch > > I got same results with 3.16-rc5 + this patch (see thread BTRFS hang with > 3.16-rc5). 3.16-rc4 still is fine with me. No hang whatsoever so far. > >> To recap some details (so I can have it all in one place): >> - /home/ is btrfs with compress=lzo > > BTRFS RAID 1 with lzo. > >> - I have _not_ created any nodatacow files. > > Me neither. > >> - Full stack is: sata <-> dmcrypt <-> lvm <-> btrfs (I noticed others >> mentioning the use of dmcrypt) > > Same, except no dmcrypt. > Thanks for the help in tracking this down everyone. We'll get there! Are you all running multi-disk systems (from a btrfs POV, more than one device?) I don't care how many physical drives this maps to, just does btrfs think there's more than one drive. -chris