[****@archbox ~]$ uname -a
Linux archbox 3.12.6-rt9-1-rt #1 SMP PREEMPT RT Sat Jan 11 18:18:36 CET 2014 x86_64 GNU/Linux
[****@archbox ~]$ tail -f -n 60 /var/log/kernel.log
Jan 24 16:18:38 localhost kernel: CPU: 3 PID: 49 Comm: ksoftirqd/3 Tainted: P           O 3.12.5-rt7-2-l-pa #1
Jan 24 16:18:38 localhost kernel: Hardware name: Gigabyte Technology Co., Ltd. GA-990FXA-UD5/GA-990FXA-UD5, BIOS F12 10/03/2013
Jan 24 16:18:38 localhost kernel:  0000000000000009 ffff88021d9fbca0 ffffffff814ec372 0000000000000000
Jan 24 16:18:38 localhost kernel:  ffff88021d9fbcd8 ffffffff8104fa7d ffff88022fccbe20 0000000000000002
Jan 24 16:18:38 localhost kernel:  0000000000000003 0000000000000000 00000000fffffffd ffff88021d9fbce8
Jan 24 16:18:38 localhost kernel: Call Trace:
Jan 24 16:18:38 localhost kernel:  [<ffffffff814ec372>] dump_stack+0x54/0x9a
Jan 24 16:18:38 localhost kernel:  [<ffffffff8104fa7d>] warn_slowpath_common+0x7d/0xc0
Jan 24 16:18:38 localhost kernel:  [<ffffffff8104fb9a>] warn_slowpath_null+0x1a/0x20
Jan 24 16:18:38 localhost kernel:  [<ffffffff810b664a>] can_stop_full_tick+0x26a/0x280
Jan 24 16:18:38 localhost kernel:  [<ffffffff810b7488>] __tick_nohz_full_check+0x68/0xc0
Jan 24 16:18:38 localhost kernel:  [<ffffffff810b74ee>] nohz_full_kick_work_func+0xe/0x20
Jan 24 16:18:38 localhost kernel:  [<ffffffff811171bf>] __irq_work_run+0x5f/0x80
Jan 24 16:18:38 localhost kernel:  [<ffffffff811171e9>] irq_work_run+0x9/0x20
Jan 24 16:18:38 localhost kernel:  [<ffffffff8105e604>] run_timer_softirq+0x24/0x2a0
Jan 24 16:18:38 localhost kernel:  [<ffffffff81089eb5>] ? __vtime_account_system+0x35/0x40
Jan 24 16:18:38 localhost kernel:  [<ffffffff810555dc>] do_current_softirqs+0x19c/0x3a0
Jan 24 16:18:38 localhost kernel:  [<ffffffff81055aa9>] run_ksoftirqd+0x29/0x40
Jan 24 16:18:38 localhost kernel:  [<ffffffff8107e6ea>] smpboot_thread_fn+0x20a/0x380
Jan 24 16:18:38 localhost kernel:  [<ffffffff814ef52a>] ? schedule+0x2a/0x80
Jan 24 16:18:38 localhost kernel:  [<ffffffff8107e4e0>] ? lg_local_unlock+0x40/0x40
Jan 24 16:18:38 localhost kernel:  [<ffffffff81075212>] kthread+0xb2/0xc0
Jan 24 16:18:38 localhost kernel:  [<ffffffff81075160>] ? kthread_worker_fn+0x1a0/0x1a0
Jan 24 16:18:38 localhost kernel:  [<ffffffff814f93ac>] ret_from_fork+0x7c/0xb0
Jan 24 16:18:38 localhost kernel:  [<ffffffff81075160>] ? kthread_worker_fn+0x1a0/0x1a0
Jan 24 16:18:38 localhost kernel: ---[ end trace 0000000000000002 ]---
Jan 24 16:57:06 localhost kernel: delay: estimated 90, actual 1
Jan 24 18:32:46 localhost kernel: delay: estimated 89, actual 0
Jan 24 19:00:17 localhost kernel: delay: estimated 90, actual 1
Jan 24 19:00:23 localhost kernel: delay: estimated 89, actual 0
Jan 24 19:13:47 localhost kernel: delay: estimated 89, actual 0
Jan 24 19:17:04 localhost kernel: delay: estimated 134, actual 45
Jan 24 19:21:10 localhost kernel: delay: estimated 134, actual 45
Jan 24 19:21:13 localhost kernel: delay: estimated 133, actual 44
Jan 24 19:21:35 localhost kernel: delay: estimated 133, actual 44
Jan 24 19:21:41 localhost kernel: delay: estimated 134, actual 45
Jan 24 19:21:45 localhost kernel: delay: estimated 134, actual 45
Jan 24 19:31:35 localhost kernel: delay: estimated 134, actual 45
Jan 24 19:36:14 localhost kernel: delay: estimated 134, actual 45
Jan 24 19:36:47 localhost kernel: delay: estimated 134, actual 45
Jan 24 19:42:16 localhost kernel: delay: estimated 134, actual 45
Jan 24 19:48:42 localhost kernel: NOHZ: local_softirq_pending 40
Jan 24 20:14:14 localhost kernel: nvidia 0000:01:00.0: irq 46 for MSI/MSI-X
Jan 24 20:14:20 localhost libvirtd[502]: libvirt version: 1.2.1
Jan 24 20:14:21 localhost kernel: ip6_tables: (C) 2000-2006 Netfilter Core Team
Jan 24 20:14:20 localhost libvirtd[502]: Could not find 'ebtables' executable
Jan 24 20:14:41 localhost kernel: Bridge firewalling registered
Jan 24 20:14:42 localhost kernel: IPv6: ADDRCONF(NETDEV_UP): virbr0: link is not ready
Jan 24 20:15:15 localhost kernel: Bluetooth: Core ver 2.16
Jan 24 20:15:15 localhost kernel: NET: Registered protocol family 31
Jan 24 20:15:15 localhost kernel: Bluetooth: HCI device and connection manager initialized
Jan 24 20:15:15 localhost kernel: Bluetooth: HCI socket layer initialized
Jan 24 20:15:15 localhost kernel: Bluetooth: L2CAP socket layer initialized
Jan 24 20:15:15 localhost kernel: Bluetooth: SCO socket layer initialized
Jan 24 20:15:15 localhost kernel: Bluetooth: BNEP (Ethernet Emulation) ver 1.3
Jan 24 20:15:15 localhost kernel: Bluetooth: BNEP filters: protocol multicast
Jan 24 20:15:15 localhost kernel: Bluetooth: BNEP socket layer initialized
kwin crashed 
Jan 24 20:17:30 localhost kernel: NVRM: GPU at 0000:01:00: GPU-5f7c6b5e-f9ab-fed2-c394-a8f6587503e4
Jan 24 20:17:30 localhost kernel: NVRM: Xid (0000:01:00): 32, Channel ID 00000003 intr 00040000
Jan 24 20:17:30 localhost kernel: NVRM: Xid (0000:01:00): 32, Channel ID 00000003 intr 00040000
Starting Serious Sam3
Jan 24 20:24:19 localhost kernel: NVRM: Xid (0000:01:00): 32, Channel ID 00000007 intr 00800000
Jan 24 20:24:19 localhost kernel: NVRM: Xid (0000:01:00): 32, Channel ID 00000007 intr 00800000
Kwin crashed
Jan 24 20:25:16 localhost kernel: NVRM: Xid (0000:01:00): 32, Channel ID 00000003 intr 00040000
Jan 24 20:25:16 localhost kernel: NVRM: Xid (0000:01:00): 32, Channel ID 00000003 intr 00040000