Kernel reporting soft lockups with powermt process in emcp module

Issue

• Machine is extremely slow, on the edge of stuck
• Soft lockups being reported by the kernel:

BUG: soft lockup - CPU#14 stuck for 60s! [powermt:1754]
CPU 14:
Modules linked in: crash autofs4 hidp nfs nfs_acl rfcomm l2cap bluetooth lockd sunrpc bonding be2iscsi ib_iser rdma_cm ib_cm iw_cm ib_sa ib_mad ib_core ib_addr iscsi_tcp bnx2i cnic uio cxgb3i libcxgbi cxgb3 libiscsi_tcp libiscsi2 scsi_transport_iscsi2 scsi_transport_iscsi emcpvlumd(PU) emcpxcrypt(PU) emcpdm(PU) emcpgpx(PU) emcpmpx(PU) emcp(PU) dm_multipath scsi_dh video backlight sbs power_meter hwmon i2c_ec i2c_core dell_wmi wmi button battery asus_acpi acpi_memhotplug ac ipv6 xfrm_nalgo crypto_api parport_pc lp parport bnx2x st i7core_edac hpilo 8021q tpm_tis serio_raw edac_mc tpm tpm_bios pcspkr mdio shpchp sg dm_raid45 dm_message dm_region_hash dm_mem_cache dm_snapshot dm_zero dm_mirror dm_log dm_mod usb_storage qla2xxx scsi_transport_fc cciss sd_mod scsi_mod ext3 jbd uhci_hcd ohci_hcd ehci_hcd
Pid: 1754, comm: powermt Tainted: P     ---- 2.6.18-274.12.1.el5 #1
RIP: 0010:[<ffffffff80064b20>]  [<ffffffff80064b20>] _spin_unlock_irqrestore+0x8/0x9
RSP: 0018:ffff810251779d90  EFLAGS: 00000246
RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000246 RDI: ffff810169bef6c8
RBP: 0000000000000001 R08: 00000000beefdead R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
FS:  00002b304aa95bb0(0000) GS:ffff81031ff214c0(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
CR2: 00002aaaabb29000 CR3: 00000001a980c000 CR4: 00000000000006a0

Call Trace:
 [<ffffffff8870ee4c>] :emcpmpx:MpxExportPseudoIfNecessary+0x5c/0x270
 [<ffffffff8870f12a>] :emcpmpx:MpxIocmdDisableDeferExportPseudo+0xca/0x100
 [<ffffffff885f7c0b>] :emcp:EmcpIocmd+0x13b/0x230
 [<ffffffff885f7dce>] :emcp:emcp_iocmd+0xce/0x1d0
 [<ffffffff885f7fd3>] :emcp:emcp_pseudo_ctl_ioctl+0x103/0x380
 [<ffffffff80064c4f>] lock_kernel+0x1b/0x32
 [<ffffffff80041f24>] do_ioctl+0x55/0x6b
 [<ffffffff8002ffe5>] vfs_ioctl+0x457/0x4b9
 [<ffffffff800b9cb2>] audit_syscall_entry+0x1a8/0x1d3
 [<ffffffff8004c2b6>] sys_ioctl+0x59/0x78
 [<ffffffff8005d28d>] tracesys+0xd5/0xe0