From: Denis Karpov Subject: Re: Error testing ext3 on brd ramdisk Date: Fri, 20 Mar 2009 14:24:05 +0200 Message-ID: <20090320122405.GI21564@smart.research.nokia.com> References: <49AFAFD9.9050805@dti2.net> <49AFC1A9.90501@dti2.net> <20090310161247.GA19352@wotan.suse.de> <20090310163002.GC19352@wotan.suse.de> <49B69A09.3080408@dti2.net> <20090311021920.GA16561@wotan.suse.de> <49BA927F.8020701@dti2.net> <20090317094019.GA10360@smart.research.nokia.com> <20090318121116.GC14622@wotan.suse.de> <20090318134202.GB11965@atrey.karlin.mff.cuni.cz> Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="xB0nW4MQa6jZONgY" Cc: Nick Piggin , Denis Karpov , "ext Jorge Boncompte [DTI2]" , "Hunter Adrian (Nokia-D/Helsinki)" , LKML , "linux-ext4@vger.kernel.org" To: ext Jan Kara Return-path: Content-Disposition: inline In-Reply-To: <20090318134202.GB11965@atrey.karlin.mff.cuni.cz> Sender: linux-kernel-owner@vger.kernel.org List-Id: linux-ext4.vger.kernel.org --xB0nW4MQa6jZONgY Content-Type: text/plain; charset=us-ascii Content-Disposition: inline > > Jan's fixes are here: > > http://marc.info/?l=linux-ext4&m=123731584711382&w=2 > > It would be interesting to try them, and if they don't work maybe > > he's also interested so I cc'ed him. Hi, thank you reppl. I re-run the tests with this patch. > > > > > > In both cases I saw some complains from JBD/JBD2: > > > JBD: Detected IO errors while flushing file data on > Yes, my patches fix exactly this problem. So please try running with > them. I'm not sure about that HTREE corruption you see during fsck. That > seems to be a separate issue. Unfortunately it looks like the problem is not fixed - JBD still complains and in the end HTREE is getting damaged, in both ext3 and ext4 tests (see attached logs). Denis --xB0nW4MQa6jZONgY Content-Type: text/plain; charset=us-ascii Content-Disposition: attachment; filename="ext3.htree.txt" ------------------------------------------------------------- Cycle 34 Fri Mar 20 08:06:06 EDT 2009 Mounting [ 1128.228621] EXT3 FS on ram0, internal journal [ 1128.232046] kjournald starting. Commit interval 5 seconds [ 1128.238557] EXT3-fs: mounted filesystem with ordered data mode. Removing old fsstress data Starting fsstress Sleeping 30 seconds seed = 1238324876 [ 1139.101289] JBD: Detected IO errors while flushing file data on ram0 [ 1139.116050] JBD: Detected IO errors while flushing file data on ram0 [ 1139.124125] JBD: Detected IO errors while flushing file data on ram0 [ 1140.100787] JBD: Detected IO errors while flushing file data on ram0 [ 1140.375989] JBD: Detected IO errors while flushing file data on ram0 [ 1141.313458] JBD: Detected IO errors while flushing file data on ram0 [ 1142.387028] JBD: Detected IO errors while flushing file data on ram0 [ 1142.668047] JBD: Detected IO errors while flushing file data on ram0 [ 1143.035936] JBD: Detected IO errors while flushing file data on ram0 [ 1143.160422] JBD: Detected IO errors while flushing file data on ram0 Stopping fsstress 3974 ttyS0 00:00:00 fsstress_ext3 3977 ttyS0 00:00:20 fsstress_ext3 3978 ttyS0 00:00:20 fsstress_ext3 3979 ttyS0 00:00:20 fsstress_ext3 ./brd_test_ext3.sh: line 37: 3974 Terminated `pwd`/fsstress_ext3 - d $TESTDIR/work -p 3 -l 0 -n 100000000 Unmounting Checking /dev/ram0: HTREE directory inode 42 has an invalid root node. HTREE INDEX CLEARED. /dev/ram0: Entry 'c302b' in /work/p1/da (42) has an incorrect filetype (was 3, s hould be 1). /dev/ram0: UNEXPECTED INCONSISTENCY; RUN fsck MANUALLY. (i.e., without -a or -p options) 3# fsck /dev/ram0 fsck 1.41.3 (12-Oct-2008) e2fsck 1.41.3 (12-Oct-2008) /dev/ram0 contains a file system with errors, check forced. Pass 1: Checking inodes, blocks, and sizes Pass 2: Checking directory structure Entry 'c302b' in /work/p1/da (42) has an incorrect filetype (was 3, should be 1) . Fix? yes Entry 'd3699' in /work/p1/da (42) is a link to directory /work/p1/da/d18a/d3874/ d278f/d2401/d3e6a/d4380/d33e8/d2a30/d3ad4/d45f3 (968). Clear? yes Entry 'd3ad4' in /work/p1/da/d18a/d3874/d278f/d2401/d3e6a/d4380/d33e8/d2a30 (192 ) is a link to directory /work/p1/da/d207a (811). Clear? yes Entry 'd18a' in /work/p1/da (42) is a link to directory /work/p1/da/d18a (491). Clear? yes Pass 3: Checking directory connectivity '..' in /work/p1/da/d207a (811) is /work/p1/da/d18a/d3874/d278f/d2401/d3e6a/d438 0/d33e8/d2a30 (192), should be /work/p1/da (42). Fix? yes Pass 4: Checking reference counts Inode 53 ref count is 1, should be 2. Fix? yes Inode 67 ref count is 1, should be 2. Fix? yes Inode 86 ref count is 3, should be 4. Fix? yes ... Inode 945 ref count is 1, should be 2. Fix? yes Inode 993 ref count is 7, should be 8. Fix? yes Pass 5: Checking group summary information /dev/ram0: ***** FILE SYSTEM WAS MODIFIED ***** /dev/ram0: 1024/1024 files (18.4% non-contiguous), 4094/4096 blocks --xB0nW4MQa6jZONgY Content-Type: text/plain; charset=us-ascii Content-Disposition: attachment; filename="ext4.htree.txt" ------------------------------------------------------------- Cycle 9 Fri Mar 20 08:18:28 EDT 2009 Mounting [ 1870.516310] EXT4-fs: barriers enabled [ 1870.520359] kjournald2 starting: pid 5729, dev ram1:8, commit interval 5 seco nds Removing old fss[ 1870.520396] EXT4 FS on ram1, internal journal on ram1:8 tress data [ 1870.520399] EXT4-fs: delayed allocation enabled [ 1870.520401] EXT4-fs: file extents enabled [ 1870.520553] EXT4-fs: mballoc enabled [ 1870.520556] EXT4-fs: mounted filesystem ram1 with ordered data mode [ 1870.570047] JBD: barrier-based sync failed on ram1:8 - disabling barriers Starting fsstress Sleeping 30 seconds seed = 1237467072 Stopping fsstress 5732 ttyS0 00:00:00 fsstress_ext4 5735 ttyS0 00:00:28 fsstress_ext4 5736 ttyS0 00:00:28 fsstress_ext4 5737 ttyS0 00:00:28 fsstress_ext4 ./brd_test_ext4.sh: line 36: 5732 Terminated `pwd`/fsstress_ext4 - d $TESTDIR/work -p 3 -l 0 -n 100000000 Unmounting [ 1901.751383] EXT4-fs: mballoc: 7905 blocks 4022 reqs (13 success) [ 1901.757443] EXT4-fs: mballoc: 8495 extents scanned, 341 goal hits, 6 2^N hits , 4 breaks, 38 lost [ 1901.766253] EXT4-fs: mballoc: 1 generated and it took 2140 [ 1901.771755] EXT4-fs: mballoc: 18857 preallocated, 11619 discarded Checking /dev/ram1: HTREE directory inode 20 has an invalid root node. HTREE INDEX CLEARED. /dev/ram1: HTREE directory inode 40 has an invalid root node. HTREE INDEX CLEARED. /dev/ram1: Entry 'f15e2' in /work/p0/d5/db/d934 (20) has an incorrect filetype ( was 1, should be 3). /dev/ram1: UNEXPECTED INCONSISTENCY; RUN fsck MANUALLY. (i.e., without -a or -p options) # fsck /dev/ram1 fsck 1.41.3 (12-Oct-2008) e2fsck 1.41.3 (12-Oct-2008) /dev/ram1 contains a file system with errors, check forced. Pass 1: Checking inodes, blocks, and sizes Pass 2: Checking directory structure Entry 'f15e2' in /work/p0/d5/db/d934 (20) has an incorrect filetype (was 1, shou ld be 3). Fix? yes Entry 'd51' in /work/p0/d5/db/d934 (20) is a link to directory /work/p0/d5/db/d9 34/d51 (110). Clear? yes Entry 'd1cba' in /work/p0/d5/db/d934 (20) is a link to directory /work/p0/d5/db/ d934/d1cba (918). Clear? yes Entry 'd17f8' in /work/p0/d5/db/d203c (40) is a link to directory /work/p0/d5/db /d203c/d17f8 (392). Clear? yes Pass 3: Checking directory connectivity Pass 4: Checking reference counts Inode 36 ref count is 2, should be 3. Fix? yes Inode 37 ref count is 2, should be 3. Fix? yes Inode 55 ref count is 2, should be 3. Fix? yes ..... Inode 655 ref count is 4, should be 5. Fix? yes Inode 1024 ref count is 4, should be 5. Fix? yes Pass 5: Checking group summary information /dev/ram1: ***** FILE SYSTEM WAS MODIFIED ***** /dev/ram1: 1024/1024 files (24.2% non-contiguous), 4096/4096 blocks --xB0nW4MQa6jZONgY--