System reports BUG soft lockup with RIP : pci_restore_msi_state

Issue

• System unresponsive with below call traces :

Jun 12 06:10:11 hostname kernel: BUG: soft lockup - CPU#0 stuck for 10s! [NetworkManager:5182]
Jun 12 06:10:11 hostname kernel: CPU 0:
Jun 12 06:10:11 hostname kernel: Modules linked in: hidp rfcomm l2cap lockd sunrpc ip_conntrack_netbios_ns ipt_REJECT xt_state ip_conntrack nfnetlink iptable_filter
 ip_tables ip6t_REJECT xt_tcpudp ip6table_filter ip6_tables x_tables ipv6 xfrm_nalgo cpufreq_ondemand acpi_cpufreq freq_table dm_multipath scsi_dh sha256 aes_generic
 aes_x86_64 dm_crypt video hwmon backlight sbs i2c_ec button battery asus_acpi acpi_memhotplug ac parport_pc lp parport joydev snd_hda_intel testmgr_cipher testmgr
 aead crypto_blkcipher crypto_algapi crypto_api arc4 snd_seq_dummy snd_seq_oss snd_seq_midi_event iwlagn snd_seq snd_seq_device iwlcore uvcvideo compat_ioctl32
 i2c_i801 videodev snd_pcm_oss sr_mod snd_mixer_oss cdrom sky2 v4l1_compat snd_pcm v4l2_common hci_usb i2c_core sg mac80211 shpchp bluetooth snd_timer snd_page_alloc
 snd_hwdep sdhci mmc_core snd pcspkr serio_raw cfg80211 soundcore dm_raid45 dm_message dm_region_hash dm_mem_cache dm_snapshot dm_zero dm_mirror dm_log dm_mod
 usb_storage ahci libata sd_mod scsi_mod raid1 ext3 jb
Jun 12 06:10:11 hostname kernel:  uhci_hcd ohci_hcd ehci_hcd
Jun 12 06:10:11 hostname kernel: Pid: 5182, comm: NetworkManager Not tainted 2.6.18-153.el5 #1
Jun 12 06:10:11 hostname kernel: RIP: 0010:[<ffffffff8016583a>]  [<ffffffff8016583a>] pci_restore_msi_state+0x12/0x13a
Jun 12 06:10:11 hostname kernel: RSP: 0018:ffff81011f897898  EFLAGS: 00000212
Jun 12 06:10:11 hostname kernel: RAX: 0000000042328086 RBX: ffff81013fcd5800 RCX: 0000000042328086
Jun 12 06:10:11 hostname kernel: RDX: 0000000000000cfc RSI: 0000000000000246 RDI: ffff81013d866fc0
Jun 12 06:10:11 hostname kernel: RBP: 0000000000000001 R08: 0000000000000004 R09: ffff81011f89788c
Jun 12 06:10:11 hostname kernel: R10: 0000000000000000 R11: ffffffff8021faab R12: ffff81013fcd59c8
Jun 12 06:10:11 hostname kernel: R13: ffffffff8021faab R14: 0000000000000014 R15: ffff81011f8977f8
Jun 12 06:10:11 hostname kernel: FS:  00002aefd51c9380(0000) GS:ffffffff803c0000(0000) knlGS:0000000000000000
Jun 12 06:10:11 hostname kernel: CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Jun 12 06:10:11 hostname kernel: CR2: 000000000044ea60 CR3: 000000011ffe7000 CR4: 00000000000006e0
Jun 12 06:10:11 hostname kernel: 
Jun 12 06:10:11 hostname kernel: Call Trace:
Jun 12 06:10:11 hostname kernel:  [<ffffffff801595a0>] pci_restore_state+0x16d/0x18a
Jun 12 06:10:11 hostname kernel:  [<ffffffff883ebb94>] :iwlagn:iwl4965_mac_start+0x47/0x62f
Jun 12 06:10:11 hostname kernel:  [<ffffffff8026471f>] fn_hash_dump+0xfe/0x1ce
Jun 12 06:10:11 hostname kernel:  [<ffffffff882762a6>] :mac80211:ieee80211_open+0x21f/0x50a
Jun 12 06:10:11 hostname kernel:  [<ffffffff801288d8>] avc_has_perm+0x43/0x55
Jun 12 06:10:11 hostname kernel:  [<ffffffff8022a583>] dev_open+0x2f/0x6e
Jun 12 06:10:11 hostname kernel:  [<ffffffff80228751>] dev_change_flags+0x5a/0x119
Jun 12 06:10:11 hostname kernel:  [<ffffffff80230e81>] do_setlink+0x72/0x36e
Jun 12 06:10:11 hostname kernel:  [<ffffffff80230900>] rtnetlink_rcv_msg+0x1b7/0x1dd
Jun 12 06:10:11 hostname kernel:  [<ffffffff8023eae2>] netlink_run_queue+0x84/0x147
Jun 12 06:10:11 hostname kernel:  [<ffffffff80230749>] rtnetlink_rcv_msg+0x0/0x1dd
Jun 12 06:10:11 hostname kernel:  [<ffffffff802306f4>] rtnetlink_rcv+0x30/0x4e
Jun 12 06:10:11 hostname kernel:  [<ffffffff8023ef18>] netlink_data_ready+0x12/0x50
Jun 12 06:10:11 hostname kernel:  [<ffffffff8023e0cf>] netlink_sendskb+0x26/0x40
Jun 12 06:10:11 hostname kernel:  [<ffffffff8023eef3>] netlink_sendmsg+0x2b4/0x2c7
Jun 12 06:10:11 hostname kernel:  [<ffffffff80055607>] sock_sendmsg+0xf8/0x14a
Jun 12 06:10:11 hostname kernel:  [<ffffffff80030ca6>] sock_recvmsg+0x107/0x15f
Jun 12 06:10:11 hostname kernel:  [<ffffffff800a0512>] autoremove_wake_function+0x0/0x2e
Jun 12 06:10:11 hostname kernel:  [<ffffffff80129195>] inode_has_perm+0x56/0x63
Jun 12 06:10:11 hostname kernel:  [<ffffffff80220588>] sys_sendmsg+0x217/0x28a
Jun 12 06:10:11 hostname kernel:  [<ffffffff8002d121>] mntput_no_expire+0x19/0x89
Jun 12 06:10:11 hostname kernel:  [<ffffffff80220a96>] sys_sendto+0x11c/0x14f
Jun 12 06:10:11 hostname kernel:  [<ffffffff8005e28d>] tracesys+0xd5/0xe0