kernel BUG at fs/locks.c:1798!

kernel BUG at fs/locks.c:1798!
invalid operand: 0000 [#1]
SMP 
Modules linked in: nfs nfsd exportfs lockd nfs_acl parport_pc lp parport mptctl mptbase autofs4 i2c_dev i2c_core smbus(U) ipmi(U) sunrpc md5 ipv6 ip_nat_ftp iptable_nat ip_conntrack_ftp ipt_REJECT ipt_state ip_conntrack iptable_filter ip_tables ide_dump scsi_dump diskdump zlib_deflate dm_mirror dm_mod button battery ac uhci_hcd ehci_hcd shpchp e1000(U) tg3 bonding1(U) bonding(U) floppy ext3 jbd ata_piix libata megaraid_sas(U) sd_mod scsi_mod
CPU:    3
EIP:    0060:[<c016e904>]    Not tainted VLI
EFLAGS: 00010246   (2.6.9-42.0.3.ELsmp) 
EIP is at locks_remove_flock+0xa1/0xe1
eax: e551842c   ebx: f21ac9d4   ecx: 00000000   edx: 00000081
esi: 00000000   edi: f21ac92c   ebp: e45beec0   esp: de721f28
ds: 007b   es: 007b   ss: 0068
Process java (pid: 28186, threadinfo=de721000 task=c61ac970)
Stack: 00000007 e45beec0 00000009 4e13b068 2436e382 de721000 de721000 de721000 
       00000246 00000246 c61acab0 c0129e39 00000000 00000246 de721000 01c988d9 
       00000000 00000000 c0125ff7 00000001 00000000 00000246 00000000 e45beec0 
Call Trace:
 [<c0129e39>] __mod_timer+0x101/0x10b
 [<c0125ff7>] do_setitimer+0x16c/0x1c5
 [<c015bbc2>] __fput+0x41/0x100
 [<c016a665>] sys_fcntl64+0x79/0x80
 [<c02d47cb>] syscall_call+0x7/0xb
 [<c02d007b>] packet_rcv+0x17e/0x307
Code: 38 39 68 2c 75 2d 0f b6 50 30 f6 c2 02 74 09 89 d8 e8 9f df ff ff eb 1d f6 c2 20 74 0e ba 02 00 00 00 89 d8 e8 ba ec ff ff eb 0a <0f> 0b 06 07 66 98 2e c0 89 c3 8b 03 eb c4 b8 00 f0 ff ff 21 e0