Messages file flooded with logs "BUG: soft lockup - CPU#X stuck for 10s! [hald-addon-stor:xxxx]"

Issue

• System hang with the following soft lockup messages in the logs:

Jan  7 18:31:23 xxx kernel: BUG: soft lockup - CPU#0 stuck for 10s! [hald-addon-stor:6293]
Jan  7 18:31:23 xxx kernel: 
Jan  7 18:31:23 xxx kernel: Pid: 6293, comm:      hald-addon-stor
Jan  7 18:31:23 xxx kernel: EIP: 0060:[<c060f128>] CPU: 0
Jan  7 18:31:23 xxx kernel: EIP is at _spin_unlock_irqrestore+0x8/0x9
Jan  7 18:31:23 xxx kernel:  EFLAGS: 00000286    Not tainted  (2.6.18-128.el5PAE #1)
Jan  7 18:31:23 xxx kernel: EAX: c06eca00 EBX: cfa08a8c ECX: 00000286 EDX: 00000200
Jan  7 18:31:23 xxx kernel: ESI: c07d0c14 EDI: 00000001 EBP: 00000000 DS: 007b ES: 007b
Jan  7 18:31:23 xxx kernel: CR0: 8005003b CR2: ae858004 CR3: 372f53c0 CR4: 000006f0
Jan  7 18:31:23 xxx kernel:  [<c05669e8>] ide_end_request+0xcc/0xd4
Jan  7 18:31:23 xxx kernel:  [<c0566a09>] ide_kill_rq+0x19/0x29
Jan  7 18:31:23 xxx kernel:  [<c056705d>] ide_do_request+0x644/0x6c3
Jan  7 18:31:23 xxx kernel:  [<c042c2e4>] lock_timer_base+0x15/0x2f
Jan  7 18:31:23 xxx kernel:  [<c042c79f>] del_timer+0x41/0x47
Jan  7 18:31:23 xxx kernel:  [<c04d7fab>] elv_insert+0xc8/0x1ad
Jan  7 18:31:23 xxx kernel:  [<c04dacbb>] blk_execute_rq_nowait+0x6d/0x84
Jan  7 18:31:23 xxx kernel:  [<c04dad48>] blk_execute_rq+0x76/0x97
Jan  7 18:31:23 xxx kernel:  [<c04da354>] blk_end_sync_rq+0x0/0x1d
Jan  7 18:31:23 xxx kernel:  [<c04765ce>] bio_copy_user+0xcf/0x1fe
Jan  7 18:31:23 xxx kernel:  [<c04de5b0>] sg_io+0x253/0x338
Jan  7 18:31:23 xxx kernel:  [<c04deadf>] scsi_cmd_ioctl+0x1b9/0x366
Jan  7 18:31:23 xxx kernel:  [<f88f8ca3>] cdrom_ioctl+0x22/0xb35 [cdrom]
Jan  7 18:31:23 xxx kernel:  [<f89a5f71>] idecd_ioctl+0x12f/0x144 [ide_cd]
Jan  7 18:31:23 xxx kernel:  [<c041ce0d>] __wake_up_common+0x2f/0x53
Jan  7 18:31:23 xxx kernel:  [<c041ce42>] __wake_up_locked+0x11/0x15
Jan  7 18:31:23 xxx kernel:  [<c060efd1>] __down+0x85/0xbb
Jan  7 18:31:23 xxx kernel:  [<c04dca83>] blkdev_driver_ioctl+0x4b/0x5b
Jan  7 18:31:23 xxx kernel:  [<c04dd0aa>] blkdev_ioctl+0x617/0x665
Jan  7 18:31:23 xxx kernel:  [<c04e562a>] kobject_get+0xf/0x13
Jan  7 18:31:23 xxx kernel:  [<c04dd5ed>] get_disk+0x35/0x6e
Jan  7 18:31:23 xxx kernel:  [<c04dd62d>] exact_lock+0x7/0xd
Jan  7 18:31:23 xxx kernel:  [<c055414d>] kobj_lookup+0x10d/0x168
Jan  7 18:31:23 xxx kernel:  [<f89a6031>] idecd_open+0x7b/0xa8 [ide_cd]
Jan  7 18:31:23 xxx kernel:  [<c047813f>] do_open+0x211/0x2cc
Jan  7 18:31:23 xxx kernel:  [<c04776a7>] bd_claim+0x10/0x59
Jan  7 18:31:23 xxx kernel:  [<c0478397>] blkdev_open+0x31/0x44
Jan  7 18:31:23 xxx kernel:  [<c046fc36>] __dentry_open+0xea/0x1ab
Jan  7 18:31:23 xxx kernel:  [<c046fd5b>] nameidata_to_filp+0x19/0x28
Jan  7 18:31:23 xxx kernel:  [<c046fd95>] do_filp_open+0x2b/0x31
Jan  7 18:31:23 xxx kernel:  [<c04778cc>] block_ioctl+0x13/0x16
Jan  7 18:31:23 xxx kernel:  [<c04778b9>] block_ioctl+0x0/0x16
Jan  7 18:31:23 xxx kernel:  [<c0480dfc>] do_ioctl+0x1c/0x5d
Jan  7 18:31:23 xxx kernel:  [<c0481087>] vfs_ioctl+0x24a/0x25c
Jan  7 18:31:23 xxx kernel:  [<c04810e1>] sys_ioctl+0x48/0x5f
Jan  7 18:31:23 xxx kernel:  [<c0404f17>] syscall_call+0x7/0xb