Red Hat Bugzilla – Bug 150427
XFS internal error xfs_alloc_read_agf
Last modified: 2015-01-04 17:17:29 EST
From Bugzilla Helper: User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7.6) Gecko/20050224 Firefox/1.0.1 Fedora/1.0.1-1.3.1 Description of problem: I encountered the following error while working with a XFS filesystem: Mar 3 00:40:52 tschan1 kernel: 0x0: 58 41 47 46 00 00 00 01 00 00 00 03 00 2e 4d 21 Mar 3 00:40:52 tschan1 kernel: Filesystem "md1": XFS internal error xfs_alloc_read_agf at line 2195 of file fs/xfs/xfs_alloc.c. Caller 0xf91ca8b3 Mar 3 00:40:52 tschan1 kernel: [<f91caef8>] xfs_alloc_read_agf+0x135/0x1d8 [xfs] Mar 3 00:40:52 tschan1 kernel: [<f91ca8b3>] xfs_alloc_fix_freelist+0x36/0x339 [xfs] Mar 3 00:40:52 tschan1 last message repeated 2 times Mar 3 00:40:52 tschan1 kernel: [<f9202686>] xlog_assign_tail_lsn+0xc/0x113 [xfs] Mar 3 00:40:52 tschan1 kernel: [<f92056ce>] xlog_state_release_iclog+0x18/0x179 [xfs] Mar 3 00:40:52 tschan1 kernel: [<f9201b74>] xfs_log_release_iclog+0xe/0x35 [xfs] Mar 3 00:40:52 tschan1 kernel: [<f9204e8b>] xlog_regrant_write_log_space+0x324/0x6ee [xfs] Mar 3 00:40:52 tschan1 kernel: [<f91cb496>] xfs_free_extent+0xab/0xef [xfs] Mar 3 00:40:52 tschan1 kernel: [<f91da4a7>] xfs_bmap_finish+0xdd/0x14e [xfs] Mar 3 00:40:52 tschan1 kernel: [<f9217d9d>] xfs_rmdir+0x30a/0x3e2 [xfs] Mar 3 00:40:52 tschan1 kernel: [<f92205e1>] linvfs_rmdir+0x13/0x2f [xfs] Mar 3 00:40:52 tschan1 kernel: [<c016e437>] vfs_rmdir+0x18d/0x1d9 Mar 3 00:40:52 tschan1 kernel: [<c016e51a>] sys_rmdir+0x97/0xe9 Mar 3 00:40:52 tschan1 kernel: [<c015d5cc>] filp_close+0x59/0x5f Mar 3 00:40:52 tschan1 kernel: [<c0103337>] syscall_call+0x7/0xb Mar 3 00:40:52 tschan1 kernel: xfs_force_shutdown(md1,0x8) called from line 4073 of file fs/xfs/xfs_bmap.c. Return address = 0xf9222cdb Mar 3 00:40:52 tschan1 kernel: Filesystem "md1": Corruption of in-memory data detected. Shutting down filesystem: md1 Mar 3 00:40:52 tschan1 kernel: Please umount the filesystem, and rectify the problem(s) Mar 3 00:41:23 tschan1 kernel: xfs_force_shutdown(md1,0x1) called from line 353 of file fs/xfs/xfs_rw.c. Return address = 0xf9222cdb Setup: 2x Seagate Barracuda ST3200822AS connected through Adaptec ASH-1205SA with Silicon Image SiI 3112 (driver sata_sil) 2 software raid 1 arrays, /dev/md0 100 MB XFS, /dev/md1 180 GB XFS Special kernel modules: nvidia 1.0-6629 fuse 2.2 At the time the corruption was detected the large filesystem was nearly full (about 300 MB free). The following behaviour is always reproducible, at least on FC3 rescue, kernel-2.6.10-1.737_FC3 and kernel-2.6.10-1.770_FC3 (latest at this time) with or without before mentioned kernel modules: xfs_repair is unable to repair the filesystem and aborts with the following output: Phase 1 - find and verify superblock... Phase 2 - using internal log - zero log... - scan filesystem freespace and inode maps... - found root inode chunk Phase 3 - for each AG... - scan and clear agi unlinked lists... - process known inodes and perform inode discovery... - agno = 0 entry "/ost+found" at block 0 offset 776 in directory inode 128 references invalid inode 18374686479671623679 clearing inode number in entry at offset 776... entry at block 0 offset 776 in directory inode 128 has illegal name "/ost+found": - agno = 1 - agno = 2 - agno = 3 - agno = 4 - agno = 5 - agno = 6 - agno = 7 imap claims a free inode 506020455 is in use, correcting imap and clearing inode - agno = 8 - agno = 9 - agno = 10 - agno = 11 - agno = 12 LEAFN node level is 1 inode 813219798 bno = 8388608 - agno = 13 - agno = 14 - agno = 15 - process newly discovered inodes... Phase 4 - check for duplicate blocks... - setting up duplicate extent list... - clear lost+found (if it exists) ... - check for inodes claiming duplicate blocks... - agno = 0 inode 0x35c bmap block 0x6e4d20 claimed, state is 5 - agno = 1 data fork in regular inode 89335619 claims used block 53366048 xfs_repair: dinode.c:2436: process_dinode_int: Assertion `err == 0' failed. Aborted After a mount, umount, mount sequence the filesystem is fully readable (with or without xfs_repair) but after a few write operations (create, delete a file or write into a file) the same internal error reappears. atime updates however do not trigger this error. I'll keep the damaged filesystem for a few days. Please tell me if I can provide further information. Version-Release number of selected component (if applicable): kernel-2.6.10-1.737_FC3 How reproducible: Didn't try Additional info:
you're better off reporting this one to the maintainers at SGI. (linux-xfs@oss.sgi.com)
I've reported the bug upstream as suggested. According to the XFS developers at SGI some of the xfs_repair problems are related to the fact that xfsprogs are compiled with activated debug mode. See also bug 151438
I'm having similar problems on RHEL 4 (but alas i dont' pay for support) - Did you open a bugzilla bug with the SGI XFS folks? I am not finding it with searches of their bugzilla.
No, I sent a mail to linux-xfs@oss.sgi.com: http://oss.sgi.com/archives/linux-xfs/2005-03/msg00036.html
An update has been released for Fedora Core 3 (kernel-2.6.12-1.1372_FC3) which may contain a fix for your problem. Please update to this new kernel, and report whether or not it fixes your problem. If you have updated to Fedora Core 4 since this bug was opened, and the problem still occurs with the latest updates for that release, please change the version field of this bug to 'fc4'. Thank you.
Thanks for the information. I used xfs on one desktop machine only to see if it's ready for production on our servers. Meanwhile I switched the machine back to ext3 so I have no xfs left for testing. Sorry.