From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from aserp1040.oracle.com ([141.146.126.69]:17598 "EHLO aserp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754539AbaEGCW7 (ORCPT ); Tue, 6 May 2014 22:22:59 -0400 Date: Wed, 7 May 2014 10:22:46 +0800 From: Liu Bo To: Kenny MacDermid Cc: linux-btrfs@vger.kernel.org Subject: Re: btrfs issues in 3.14 Message-ID: <20140507022245.GA15783@localhost.localdomain> Reply-To: bo.li.liu@oracle.com References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: Sender: linux-btrfs-owner@vger.kernel.org List-ID: On Tue, May 06, 2014 at 08:49:04PM -0300, Kenny MacDermid wrote: > Hello, > > I've been having a number of issues with processes hanging due to > btrfs using 3.14 kernels. This seems pretty new as it has been working > fine before. I also rebuilt the filesystem and am still receiving > hangs. > > The filesystem is running on dmcrypt which is running on lvm2 which is > running on an SSD (SAMSUNG MZMTD256HAGM-000L1). > > When the issue occurs the process is unable to be killed and the > system will not fully shutdown. > > $ uname -a > Linux orange 3.14.2-1-ARCH #1 SMP PREEMPT Sun Apr 27 11:28:44 CEST > 2014 x86_64 GNU/Linux > > $ btrfs --version > Btrfs v3.14.1 > > $ btrfs fi show > Btrfs v3.14.1 > > $ btrfs fi df /home > Data, single: total=71.01GiB, used=68.72GiB > System, DUP: total=8.00MiB, used=16.00KiB > System, single: total=4.00MiB, used=0.00 > Metadata, DUP: total=1.50GiB, used=863.33MiB > Metadata, single: total=8.00MiB, used=0.00 > > I opened bugs 75181 and 75191 and I'll include the relevant journalctl > entries. The kernel was upgraded from 3.14.1-1 to 3.14.2-1 during this > time, and the filesystem was rebuilt after the orphan issue. > > I'm not on this list so please CC me on replies. What does sysrq+w say when the hang happens? -liubo