Why system paniced with 'Code: Bad RIP value' ?

Issue

• System panic with vmcore, Below is snip :

BUG: unable to handle kernel NULL pointer dereference at (null)
IP: [<(null)>] (null)       <------------------------------------- 
PGD 4739f3f067 PUD 4239201067 PMD 0 
Oops: 0010 [#1] SMP 
last sysfs file: /sys/devices/system/cpu/cpu8/cpufreq/scaling_setspeed
CPU 12 
Modules linked in: vfat fat usb_storage fuse ebtable_nat ebtables ipt_MASQUERADE iptable_nat nf_nat xt_CHECKSUM iptable_mangle bridge mptctl mptbase autofs4 sunrpc target_core_iblock target_core_file target_core_pscsi target_core_mod configfs cnic(U) uio fcoe libfcoe libfc 8021q garp stp llc pcc_cpufreq ipt_REJECT nf_conntrack_ipv4 nf_defrag_ipv4 iptable_filter ip_tables ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 xt_state nf_conntrack ip6table_filter ip6_tables ipv6 vhost_net macvtap macvlan tun kvm_intel kvm uinput tg3(U) power_meter microcode nx_nic(U) sg iTCO_wdt iTCO_vendor_support hpilo hpwdt i7core_edac edac_core shpchp ext4 mbcache jbd2 sr_mod cdrom sd_mod crc_t10dif bfa scsi_transport_fc scsi_tgt pata_acpi ata_generic ata_piix hpsa(U) radeon ttm drm_kms_helper drm i2c_algo_bit i2c_core dm_mirror dm_region_hash dm_log dm_mod [last unloaded: scsi_wait_scan]

Pid: 60361, comm: oracle Not tainted 2.6.32-279.el6.x86_64 #1 HP ProLiant DL980 G7
RIP: 0010:[<0000000000000000>]  [<(null)>] (null)
RSP: 0000:ffff8847e01ebc28  EFLAGS: 00010246
RAX: ffff88201c4014f0 RBX: ffffea0089893340 RCX: 0000000000000034
RDX: 0000000000000000 RSI: ffffea0089893340 RDI: ffff88201c4014e8
RBP: 0000000000000000 R08: 9a00000000000000 R09: d000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffffea0089893340
R13: 0000000000000000 R14: 000000113fd45c0c R15: ffff8847e911ccc0
FS:  00007fa093a01700(0000) GS:ffff88201c680000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 0000004376415000 CR4: 00000000000006e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Process oracle (pid: 60361, threadinfo ffff8847e01ee000, task ffff884376012040)
Stack:
 0000000000000000 0000000000000000 0000000000000000 0000000861d61025
<d> 0000000000000000 0000000000000000 0000000000000000 0000000000000000
<d> 0000000000000000 0000000000000000 0000000000000000 0000000000000000
Call Trace:
Code:  Bad RIP value.    <-------------------------------------
RIP  [<(null)>] (null)
 RSP <ffff8847e01ebc28>
CR2: 0000000000000000