System panicked with "kernel BUG at mm/slab.c:3067!"

Issue

System panicked with this log message:

kernel BUG at mm/slab.c:3067!
invalid opcode: 0000 [#1] SMP 
last sysfs file: /sys/devices/system/cpu/cpu26/topology/core_siblings
CPU 2 
Modules linked in: iptable_filter ip_tables nfs lockd nfs_acl auth_rpcgss mptctl mptbase autofs4 8021q garp stp llc sunrpc cachefiles fscache(T) bonding ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 xt_state nf_conntrack ip6table_filter ip6_tables ipv6 dm_mirror dm_region_hash dm_log uinput e1000e power_meter hpilo hpwdt netxen_nic sg microcode serio_raw iTCO_wdt iTCO_vendor_support i7core_edac edac_core shpchp ext4 mbcache jbd2 sd_mod crc_t10dif sr_mod cdrom hpsa pata_acpi ata_generic ata_piix radeon ttm drm_kms_helper drm hwmon i2c_algo_bit i2c_core dm_mod [last unloaded: ip_tables]

Modules linked in: iptable_filter ip_tables nfs lockd nfs_acl auth_rpcgss mptctl mptbase autofs4 8021q garp stp llc sunrpc cachefiles fscache(T) bonding ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 xt_state nf_conntrack ip6table_filter ip6_tables ipv6 dm_mirror dm_region_hash dm_log uinput e1000e power_meter hpilo hpwdt netxen_nic sg microcode serio_raw iTCO_wdt iTCO_vendor_support i7core_edac edac_core shpchp ext4 mbcache jbd2 sd_mod crc_t10dif sr_mod cdrom hpsa pata_acpi ata_generic ata_piix radeon ttm drm_kms_helper drm hwmon i2c_algo_bit i2c_core dm_mod [last unloaded: ip_tables]
Pid: 12035, comm: obc9 Tainted: G           ---------------- T 2.6.32-131.0.15.el6.x86_64 #1 ProLiant DL580 G7
RIP: 0010:[<ffffffff8115a1d4>]  [<ffffffff8115a1d4>] cache_alloc_refill+0x1e4/0x240
RSP: 0018:ffff881d69b07da8  EFLAGS: 00010046
RAX: 000000000000000a RBX: ffff882ff9750300 RCX: 0000000000000005
RDX: ffff880fec0e90c0 RSI: ffff880ff8e7dc40 RDI: ffff880fec0aa180
RBP: ffff881d69b07e08 R08: ffff880fec0e90c0 R09: 0000000000000000
R10: ffffffff81f42a80 R11: 0000000000000000 R12: ffff880ff8e7b000
R13: ffff880ff8e7dc40 R14: 000000000000000a R15: ffff880fec0aa180
FS:  00007fbf5fa64700(0000) GS:ffff880061680000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f1721179000 CR3: 0000000ff6c95000 CR4: 00000000000006e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Process obc9 (pid: 12035, threadinfo ffff881d69b06000, task ffff881ff759c040)
Stack:
 ffff881d69b07db8 0000000081013383 ffff880ff8e7dc80 000412d0f986c800
<0> ffff880ff8e7dc60 ffff880ff8e7dc50 0000000000004fe0 ffffffff81efa180
<0> 00000000000000d0 ffff882ff9750300 00000000000000d0 0000000000000246
Call Trace:
 [<ffffffff8115ac6f>] kmem_cache_alloc+0x15f/0x190
 [<ffffffff8140aaff>] sock_alloc_inode+0x1f/0x80
 [<ffffffff8118c927>] alloc_inode+0x27/0xa0
 [<ffffffff8118da0b>] new_inode+0x2b/0xb0
 [<ffffffff8140b469>] sock_alloc+0x19/0x60
 [<ffffffff8140b862>] __sock_create+0x92/0x240
 [<ffffffff8140ba70>] sock_create+0x30/0x40
 [<ffffffff8140bc8c>] sys_socket+0x3c/0x80
 [<ffffffff8100b328>] ? tracesys+0x7a/0xde
 [<ffffffff8100b387>] tracesys+0xd9/0xde
Code: 89 ff e8 a0 8c 11 00 eb 99 66 0f 1f 44 00 00 41 c7 45 60 01 00 00 00 4d 8b 7d 20 4c 39 7d c0 0f 85 f2 fe ff ff eb 84 0f 0b eb fe <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 eb f4 8b 55 ac 8b 75 bc 31 
RIP  [<ffffffff8115a1d4>] cache_alloc_refill+0x1e4/0x240
 RSP <ffff881d69b07da8>