Kernel panic on kernel-2.6.18-194.3.1.el5 on DL380 G6

Issue

Kernel panic on kernel-2.6.18-194.3.1.el5 on DL380 G6 :

Unable to handle kernel paging request at 0000000001000000 RIP:
[<ffffffff80123742>] key_put+0x5/0x1c
PGD 81e8fa067 PUD 81e468067 PMD 0
Oops: 0002 [1] SMP
last sysfs file: /devices/pci0000:00/0000:00:1c.2/0000:03:00.1/irq
CPU 10
Modules
linked in: iptable_filter ip_tables autofs4 hidp rfcomm l2cap bluetooth
lockd sunrpc ipt_REJECT ip6t_REJECT xt_tcpudp ip6table_filter
ip6_tables x_tables ipv6 xfrm_nalgo crypto_api dm_multipath scsi_dh
video backlight sbs power_meter hwmon i2c_ec i2c_core dell_wmi wmi
button battery asus_acpi acpi_memhotplug ac parport_pc lp parport
shpchp hpilo serio_raw bnx2 pcspkr dm_raid45 dm_message dm_region_hash
dm_mem_cache dm_snapshot dm_zero dm_mirror dm_log dm_mod usb_storage
cciss sd_mod scsi_mod ext3 jbd uhci_hcd ohci_hcd ehci_hcd
Pid: 1, comm: init Not tainted 2.6.18-194.3.1.el5 #1
RIP: 0010:[<ffffffff80123742>]  [<ffffffff80123742>] key_put+0x5/0x1c
RSP: 0018:ffff810420057ea0  EFLAGS: 00010006
RAX: ffff810411d1a000 RBX: ffff81041d6bed78 RCX: ffff81041d41d8e8
RDX: ffff81081cc9eb00 RSI: 0000000000000030 RDI: 0000000001000000
RBP: ffff81041d6beac0 R08: ffff81041d6bed20 R09: ffff81041d6bed10
R10: 0000000000000000 R11: 0000000000000246 R12: ffff81081cc9eb00
R13: 0000000000000001 R14: 0000000000000005 R15: 0000000000000000
FS:  00002ad6f46e4710(0000) GS:ffff81010e7f7940(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
CR2: 0000000001000000 CR3: 000000081e8f1000 CR4: 00000000000006e0
Process init (pid: 1, threadinfo ffff810420056000, task ffff81010e7b07a0)
Stack:  ffffffff80091099 ffff81041d6beac0 ffff81081f7f6040 ffff81081cc9eb00
ffffffff80018082 ffff81081f7f6040 0000000000001752 ffff81081f7f6040
0000000000000000 0000000000000001 ffffffff80028055 00007fff89c9302c
Call Trace:
[<ffffffff80091099>] __cleanup_signal+0x13/0x69
[<ffffffff80018082>] release_task+0x2dd/0x3cb
[<ffffffff80028055>] do_wait+0x7a4/0xad7
[<ffffffff8008d087>] default_wake_function+0x0/0xe
[<ffffffff8005d19f>] sysret_signal+0x1c/0x27
[<ffffffff8005d116>] system_call+0x7e/0x83

Code: f0 ff 0f 0f 94 c0 84 c0 74 0c 48 c7 c7 a0 70 32 80 e9 46 a3
RIP  [<ffffffff80123742>] key_put+0x5/0x1c
RSP <ffff810420057ea0>