From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mondschein.lichtvoll.de ([194.150.191.11]:48608 "EHLO mail.lichtvoll.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756179AbaGNPKb convert rfc822-to-8bit (ORCPT ); Mon, 14 Jul 2014 11:10:31 -0400 Received: from merkaba.localnet (unknown [91.221.105.244]) by mail.lichtvoll.de (Postfix) with ESMTPSA id 818BECB for ; Mon, 14 Jul 2014 17:10:30 +0200 (CEST) From: Martin Steigerwald To: linux-btrfs@vger.kernel.org Subject: Re: BTRFS hang with 3.16-rc5 Date: Mon, 14 Jul 2014 17:10:30 +0200 Message-ID: <3226395.MP6iD3ZiSL@merkaba> In-Reply-To: <1502954.OtX3SzjMKZ@merkaba> References: <1502954.OtX3SzjMKZ@merkaba> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Sender: linux-btrfs-owner@vger.kernel.org List-ID: Am Montag, 14. Juli 2014, 17:04:22 schrieben Sie: > Hi! > > While with 3.16-rc3 and rc4 I didn´t 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 > didn´t 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: merkaba:~> btrfs fi sh /home Label: 'home' uuid: […] Total devices 2 FS bytes used 123.20GiB devid 1 size 160.00GiB used 159.98GiB path /dev/mapper/msata-home devid 2 size 160.00GiB used 159.98GiB path /dev/dm-3 Btrfs v3.14.1 merkaba:~#1> btrfs fi df /home Data, RAID1: total=154.95GiB, used=120.61GiB System, RAID1: total=32.00MiB, used=48.00KiB Metadata, RAID1: total=5.00GiB, used=2.59GiB unknown, single: total=512.00MiB, used=0.00 merkaba:~> df -hT /home Dateisystem Typ Größe Benutzt Verf. Verw% Eingehängt auf /dev/mapper/msata-home btrfs 320G 247G 69G 79% /home merkaba:~> file -sk /dev/sata/home /dev/sata/home: symbolic link to `../dm-3' merkaba:~> file -sk /dev/dm-3 /dev/dm-3: BTRFS Filesystem label "home", sectorsize 4096, nodesize 16384, leafsize 16384, UUID=b96c4f72- 523-45ac-a401-f7be73dd624a, 132303151104/343597383680 bytes used, 2 devices 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. Ciao, -- Martin 'Helios' Steigerwald - http://www.Lichtvoll.de GPG: 03B0 0D6C 0040 0710 4AFA B82F 991B EAAC A599 84C7