From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mondschein.lichtvoll.de ([194.150.191.11]:56239 "EHLO mail.lichtvoll.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755545AbaGNWDW convert rfc822-to-8bit (ORCPT ); Mon, 14 Jul 2014 18:03:22 -0400 Received: from merkaba.localnet (host-188-174-206-217.customer.m-online.net [188.174.206.217]) by mail.lichtvoll.de (Postfix) with ESMTPSA id A52C541E for ; Tue, 15 Jul 2014 00:03:21 +0200 (CEST) From: Martin Steigerwald To: linux-btrfs@vger.kernel.org Subject: Re: BTRFS hang with 3.16-rc5 Date: Tue, 15 Jul 2014 00:03:21 +0200 Message-ID: <2200430.lB6XKANyxs@merkaba> In-Reply-To: References: <1502954.OtX3SzjMKZ@merkaba> <3226395.MP6iD3ZiSL@merkaba> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Sender: linux-btrfs-owner@vger.kernel.org List-ID: Am Montag, 14. Juli 2014, 17:51:37 schrieben Sie: > Martin Steigerwald posted on Mon, 14 Jul 2014 17:10:30 +0200 as excerpted: > > Am Montag, 14. Juli 2014, 17:04:22 schrieben Sie: > >> Hi! > >> > >> While with 3.16-rc3 and rc4 I didnīt have a BTRFS hang in several days > >> of usage, with 3-16-rc5 I had a hang again. Less than a hour since > >> booting it. > >> > >> Since the hang bug I and others had with 3.15 and upto 3.16-rc2 usually > >> didnīt happen that quickly after boot and since backtrace looks a bit > >> different from what I have in memory, I post this in a new thread. > >> See thread "Blocked tasks on 3.15.1" for a discussion of previous hang > >> issues. > > > > Probably good to add some basic information on the filesystem: [...] > > > > I think I switched it to skinny extents, but I am not completely sure. > > > > > > Dual SSD BTRFS RAID 1 > > > > No snapshots at the moment. And plenty of space free. > > FWIW, I've been updating every few days, running two different snapshots > between 3.16-rc4 and rc5, and now rc5 itself, and haven't noticed this > issue. Dual SSDs btrfs raid1, but partitioned up so the biggest > partition is under 50 GB. > > I've been doing some very heavy (gentoo) package building and shuffling > around the last few days trying out the kde-frameworks/workspaces-5 > stuff, then deciding it's not yet ready for me, too, so I've been working > it a bit, too. > > But certainly YMMV, and I did have some nasty trouble a few weeks ago, > which triggered a btrfs restore and then a mkfs on a couple of the > filesystems. But nothing at all strange with btrfs since then, or > really, for awhile before that either. Do you have compression enabled? I have: /dev/mapper/msata-home /home btrfs rw,noatime,compress=lzo,ssd,space_cache 0 0 -- Martin 'Helios' Steigerwald - http://www.Lichtvoll.de GPG: 03B0 0D6C 0040 0710 4AFA B82F 991B EAAC A599 84C7