[Ocfs2-users] Bug on OCFS2

[Sunil Mushran]

File a bugzilla at http://oss.oracle.com/bugzilla

Do note the kernel version.
Was this a local mount or a clustered mount?
Add any other info that you feel is relevant.
Any local src changes to the kernel/ocfs2?

Jordi Prats wrote:
> HI,
> I found this bug. Is this list correct for this type of problems? If 
> not, where should I send it to?
>
> Thanks,
> Jordi
>
> Stopping Oracle Cluster File System (OCFS2) 
> (21823,0):ocfs2_dentry_iput:349 ERROR: bug expression: !dl && 
> !(dentry->d_flags & DCACHE_DISCONNECTED)
> (21823,0):ocfs2_dentry_iput:349 ERROR: dentry: /
> ------------[ cut here ]------------
> kernel BUG at fs/ocfs2/dcache.c:349!
> invalid opcode: 0000 [#1]
> SMP
> last sysfs file: /class/net/bond0/broadcast
> Modules linked in: nfsd exportfs lockd nfs_acl drbd(U) iscsi_trgt(U) 
> crc32c libcrc32c ocfs2 ocfs2_dlmfs ocfs2_dlm ocfs2_nodemanager ipv6 
> lock_dlm gfs2 dlm configfs sunrpc bonding dm_multipath parport_pc lp 
> parport pcspkr xennet dm_snapshot dm_zero dm_mirror dm_mod cciss 
> sd_mod scsi_mod ext3 jbd ehci_hcd ohci_hcd uhci_hcd xenblk
> CPU:    0
> EIP:    0061:[<ee23e720>]    Not tainted VLI
> EFLAGS: 00010282   (2.6.20-1.2952.fc6xen #1)
> EIP is at ocfs2_dentry_iput+0x104/0x21d [ocfs2]
> eax: 00000034   ebx: e80c8238   ecx: ffffffff   edx: f5416000
> esi: 00000000   edi: eabe5da0   ebp: 000004ec   esp: dd2f6ea8
> ds: 007b   es: 007b   ss: 0069
> Process umount (pid: 21823, ti=dd2f6000 task=ecb54cf0 task.ti=dd2f6000)
> Stack: ee267791 0000553f 00000000 ee2658de 0000015d 00000001 e80c82a4 
> e130a8a0
>       e80c8238 00000000 eabe5da0 c0474ee7 000000d0 c069c496 ea5b6f40 
> c0e1a9d0
>       c069c496 ccd75440 ea561800 ebf4e800 ee2777e0 00000000 00000000 
> c0475b71
> Call Trace:
> [<c0474ee7>] shrink_dcache_for_umount_subtree+0x198/0x1e3
> [<c0475b71>] shrink_dcache_for_umount+0x2a/0x36
> [<c04680b6>] generic_shutdown_super+0x15/0xb9
> [<c0468177>] kill_block_super+0x1d/0x2d
> [<c0468225>] deactivate_super+0x57/0x6a
> [<c047a09c>] sys_umount+0x1f0/0x224
> [<c045748e>] unmap_region+0xd8/0xf7
> [<c0469564>] sys_stat64+0xf/0x23
> [<c04574f2>] remove_vma+0x45/0x4a
> [<c0457e65>] do_munmap+0x196/0x1af
> [<c047a0e7>] sys_oldumount+0x17/0x1a
> [<c0404e3c>] syscall_call+0x7/0xb
> =======================
> Code: 10 5d 01 00 00 c7 44 24 0c de 58 26 ee 89 54 24 08 89 44 24 14 
> 8b 81 a8 00 00 00 c7 04 24 91 77 26 ee 89 44 24 04 e8 d4 f5 1d d2 <0f> 
> 0b eb fe 83 3e 00 0f 85 ef 00 00 00 f6 05 e3 54 1a ee 02 75
> EIP: [<ee23e720>] ocfs2_dentry_iput+0x104/0x21d [ocfs2] SS:ESP 
> 0069:dd2f6ea8
>