From: Theodore Ts'o Subject: Re: xfstests generic/130 hang with non-4k block size ext4 on 4.7-rc1 kernel Date: Tue, 31 May 2016 11:40:17 -0400 Message-ID: <20160531154017.GC5357@thunk.org> References: <20160531140922.GM5140@eguan.usersys.redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: linux-ext4@vger.kernel.org, Jan Kara To: Eryu Guan Return-path: Received: from imap.thunk.org ([74.207.234.97]:52572 "EHLO imap.thunk.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750730AbcEaPkW (ORCPT ); Tue, 31 May 2016 11:40:22 -0400 Content-Disposition: inline In-Reply-To: <20160531140922.GM5140@eguan.usersys.redhat.com> Sender: linux-ext4-owner@vger.kernel.org List-ID: On Tue, May 31, 2016 at 10:09:22PM +0800, Eryu Guan wrote: > > I noticed that generic/130 hangs starting from 4.7-rc1 kernel, on non-4k > block size ext4 (x86_64 host). And I bisected to commit 06bd3c36a733 > ("ext4: fix data exposure after a crash"). > > It's the sub-test "Small Vector Sync" in generic/130 hangs the kernel, > and I can reproduce it on different hosts, both bare metal and kvm > guest. Hmm, it's not reproducing for me, either using your simplified repro or generic/130. Is there something specific with your kernel config, which is needed for the reproduction, perhaps? - Ted FSTESTVER: e2fsprogs v1.43-25-ge2406b9 (Wed, 25 May 2016 00:30:42 -0400) FSTESTVER: fio fio-2.6-8-ge6989e1 (Thu, 4 Feb 2016 12:09:48 -0700) FSTESTVER: quota 67fd9cc (Mon, 4 Apr 2016 00:32:39 -0400) FSTESTVER: xfsprogs v4.3.0 (Mon, 23 Nov 2015 15:24:24 +1100) FSTESTVER: xfstests-bld ccae8d1 (Tue, 26 Apr 2016 00:42:18 -0400) FSTESTVER: xfstests linux-v3.8-1036-gd22e675 (Wed, 25 May 2016 00:58:35 -0400) FSTESTVER: kernel 4.7.0-rc1-ext4 #293 SMP Tue May 31 11:31:24 EDT 2016 x86_64 FSTESTCFG: "1k" FSTESTSET: "generic/130" FSTESTEXC: "" FSTESTOPT: "aex" MNTOPTS: "" CPUS: "2" MEM: "2007.43" total used free shared buffers cached Mem: 2007 93 1913 9 3 29 -/+ buffers/cache: 60 1946 Swap: 0 0 0 BEGIN TEST 1k: Ext4 1k block Tue May 31 11:33:55 EDT 2016 DEVICE: /dev/vdd MK2FS OPTIONS: -q -b 1024 MOUNT OPTIONS: -o block_validity FSTYP -- ext4 PLATFORM -- Linux/x86_64 kvm-xfstests 4.7.0-rc1-ext4 MKFS_OPTIONS -- -q -b 1024 /dev/vdc MOUNT_OPTIONS -- -o acl,user_xattr -o block_validity /dev/vdc /vdc generic/130 [11:33:55]run fstests generic/130 at 2016-05-31 11:33:55 [11:33:59] 4s Ran: generic/130 Passed all 1 tests total used free shared buffers cached Mem: 2007 71 1936 9 0 16 -/+ buffers/cache: 53 1953 Swap: 0 0 0 END TEST: Ext4 1k block Tue May 31 11:33:59 EDT 2016 reboot: Power down