Issue

• ログに以下のエラーメッセージが表示されるとシステムが応答しなくなります。

BUG: soft lockup - CPU#4 stuck for 60s![mysqld:5536]
CPU 4:
Modules linked in: iptable_mangle iptable_nat ip_nat ip_conntrack nfnetlink iptable_filter ip_tables x_tables lock_dlm gfs2 dlm configfs af_key autofs4 rfcomm l2cap bluetooth dm_log_clustered(U) lockd sunrpc bonding ib_iser rdma_cm ib_cm iw_cm ib_sa ib_mad ib_addr iscsi_tcp bnx2i cnic uio cxgb3i libcxgbi iw_cxgb3 ib_core cxgb3 libiscsi_tcp libiscsi2 scsi_transport_iscsi2 scsi_transport_iscsi ipv6 xfrm_nalgo crypto_api dm_round_robin dm_multipath scsi_dh video backlight sbs power_meter hwmon i2c_ec dell_wmi wmi button battery asus_acpi acpi_memhotplug ac parport_pc lp parport joydev st sr_mod cdrom igb i7core_edac tpm_tis i2c_i801 edac_mc 8021q tpm floppy i2c_core tpm_bios sg serio_raw dca pcspkr dm_raid45 dm_message dm_region_hash dm_mem_cache dm_snapshot dm_zero dm_mirror dm_log dm_mod usb_storage lpfc scsi_transport_fc ata_piix libata shpchp megasr(PU) sd_mod scsi_mod ext3 jbd uhci_hcd ohci_hcd ehci_hcd
Pid:4934, comm: mysqld Tainted:P     ---- 2.6.18-274.el5 #1
RIP:0010:[<ffffffff80064bcc>]  [<ffffffff80064bcc>] .text.lock.spinlock+0x2/0x30
RSP:0018:ffff81047c88fe10  EFLAGS:00000286
RAX: ffff81044e1fe340 RBX: ffff81044e0a0200 RCX:0000000000000008
RDX:0000000000000004 RSI: ffffffffffffffff RDI: ffff81044e0a0230
RBP: ffff81011f1f1ef8 R08: ffff81044e1edf81 R09: ffff810000033600
R10:0000000000000001 R11:0000000000000207 R12: ffffffff8003e5b1
R13: ffff810491e99dc8 R14: ffffffff80050d91 R15:0000000000000292
FS:000000004ac5b940(0063) GS:ffff81044e1fe340(0000) knlGS:0000000000000000
CS:0010 DS:0000 ES:0000 CR0:000000008005003b
CR2:00002aaf8b2f98b8 CR3:000000042013e000 CR4:00000000000006a0

Call Trace:
 [<ffffffff80023279>] flush_tlb_others+0x41/0xbd
 [<ffffffff80077aa8>] flush_tlb_mm+0xcc/0xd7
 [<ffffffff800cfd9e>] zap_page_range+0xcb/0xf5
 [<ffffffff800cf999>] sys_madvise+0x3a7/0x4c1
 [<ffffffff8005d28d>] tracesys+0xd5/0xe0