[Ocfs2-users] ocfs2 kernel BUG

[Peter Selzner]

Hi,

we had this entries in /var/log/messeges a few days ago:

Jul 28 23:30:47 xxx kernel: (12268,2):ocfs2_extend_file:790 ERROR: bug expression: i_size_read(inode) != (le64_to_cpu(fe->i_size) - *bytes_extended)
Jul 28 23:30:47 xxx kernel: (12268,2):ocfs2_extend_file:790 ERROR: Inode 8323098 i_size = 1572864, dinode i_size = 1568768, bytes_extended = 0, new_i_size = 1576960 
Jul 28 23:30:47 xxx kernel: klogd 1.4.1, ---------- state change ---------- 
Jul 28 23:30:47 xxx kernel: ------------[ cut here ]------------
Jul 28 23:30:47 xxx kernel: kernel BUG at fs/ocfs2/file.c:790!
Jul 28 23:30:47 xxx kernel: invalid opcode: 0000 [#1]
Jul 28 23:30:47 xxx kernel: SMP 
Jul 28 23:30:47 xxx kernel: last sysfs file: /class/infiniband/mthca1/board_id
Jul 28 23:30:47 xxx kernel: Modules linked in: ocfs2 ocfs2_dlmfs ocfs2_dlm ocfs2_nodemanager configfs cpqci mptctl mptbase ipmi_si ipmi_devintf ipmi_msghandler rdma_ucm rds ib_ucm ib_sdp rdma_cm iw_cm
ib_addr ib_local_sa ib_ipoib ib_cm ib_sa ipv6 ib_uverbs ib_umad bonding ib_mthca ib_mad ib_core button battery ac raw loop dm_round_robin dm_multipath dm_mod usbhid hw_random ide_cd uhci_hcd e1000
cdrom ehci_hcd bnx2 usbcore ext3 jbd ata_piix ahci libata edd fan thermal processor cciss sg qla2400 qla2300 qla2xxx firmware_class qla2xxx_conf intermodule piix sd_mod scsi_mod ide_disk ide_core
Jul 28 23:30:47 xxx kernel: CPU:    2   
Jul 28 23:30:47 xxx kernel: EIP:    0060:[<f9de8173>]    Tainted: P     U VLI 
Jul 28 23:30:47 xxx kernel: EFLAGS: 00210292   (2.6.16.46-0.12-bigsmp #1) 
Jul 28 23:30:47 xxx kernel: EIP is at ocfs2_extend_file+0x3cd/0xf9b [ocfs2]
Jul 28 23:30:47 xxx kernel: eax: 0000008c   ebx: 00000000   ecx: ffffff00   edx: 00200286
Jul 28 23:30:47 xxx kernel: esi: 00000000   edi: 00000000   ebp: df05f000   esp: e398de70
Jul 28 23:30:47 xxx kernel: ds: 007b   es: 007b   ss: 0068
Jul 28 23:30:47 xxx kernel: Process mv (pid: 12268, threadinfo=e398c000 task=f7f80660)
Jul 28 23:30:47 xxx kernel: Stack: <0>00000000 dd4f9d88 ce48c000 00000000 00000000 00000001 cf253280 dd4f9b80 
Jul 28 23:30:47 xxx kernel:        dd4f9ee4 0017f000 00000000 00000000 f9ddf432 e398dea8 dd4f9b80 00000000 
Jul 28 23:30:47 xxx kernel:        00000001 e398deb4 e398deb4 ce48c000 00000000 00000000 ece0bc00 00000000 
Jul 28 23:30:47 xxx kernel: Call Trace:
Jul 28 23:30:47 xxx kernel:  [<f9ddf432>] ocfs2_status_completion_cb+0x0/0xa [ocfs2]
Jul 28 23:30:47 xxx kernel:  [<f9df72f2>] ocfs2_write_lock_maybe_extend+0xb2f/0xde3 [ocfs2]
Jul 28 23:30:47 xxx kernel:  [<f9dea85d>] ocfs2_file_write+0x125/0x24d [ocfs2]
Jul 28 23:30:47 xxx kernel:  [<f9dea738>] ocfs2_file_write+0x0/0x24d [ocfs2]
Jul 28 23:30:47 xxx kernel:  [<c0164714>] vfs_write+0xaa/0x152
Jul 28 23:30:47 xxx kernel:  [<c0164d1f>] sys_write+0x3c/0x63
Jul 28 23:30:47 xxx kernel:  [<c0103cab>] sysenter_past_esp+0x54/0x79
Jul 28 23:30:47 xxx kernel: Code: 8b 4c 24 3c ff 71 04 ff 31 68 16 03 00 00 68 2b b5 e0 f9 ff 70 10 8b 00 ff b0 c0 00 00 00 68 b1 fd e0 f9 e8 ca a8 33 c6 83 c4 3c <0f> 0b 16 03 db fb e0 f9 8b 5c 24 20
8b 03 0f ae e8 89 f6 8b 74 

It was impossible to do "ls -al" in a certain directory (each process that
"touched" files in this directory ends in DEAD state (uninterruptible sleep).
Any suggestions? Thanks.

Best regards!
Peter Selzner