Time: tsc clocksource has been installed.
BUG: scheduling with irqs disabled: softirq-timer/0/0x00000001/4
caller is rt_lock_slowlock+0x14f/0x1de
 [<c027527c>] schedule+0x5d/0xcd (8)
 [<c0275e91>] rt_lock_slowlock+0x14f/0x1de (28)
 [<c0155f86>] __kmalloc+0x96/0xed (4)
 [<c0155f86>] __kmalloc+0x96/0xed (12)
 [<c01ce732>] soft_cursor+0x56/0x18c (88)
 [<c0155f86>] __kmalloc+0x96/0xed (4)
 [<c01ce732>] soft_cursor+0x56/0x18c (36)
 [<c01ce602>] bit_cursor+0x465/0x47b (56)
 [<c01c9b08>] fbcon_cursor+0x21c/0x250 (160)
 [<c01ce19d>] bit_cursor+0x0/0x47b (20)
 [<c01e4cc5>] hide_cursor+0x21/0x5d (40)
 [<c01e8511>] vt_console_print+0x90/0x21e (16)
 [<c012cec2>] debug_rt_mutex_lock+0x88/0xa3 (4)
 [<c01e8481>] vt_console_print+0x0/0x21e (20)
 [<c011501c>] __call_console_drivers+0x34/0x40 (12)
 [<c01156aa>] release_console_sem+0x11b/0x1e7 (20)
 [<c012c267>] rt_mutex_slowtrylock+0x72/0x8b (8)
 [<c01153dc>] vprintk+0x29f/0x2e7 (28)
 [<c012b95c>] try_to_take_rt_mutex+0x16e/0x17f (20)
 [<c020e033>] i8042_interrupt+0x2c/0x20e (16)
 [<c012cec2>] debug_rt_mutex_lock+0x88/0xa3 (16)
 [<c012b95c>] try_to_take_rt_mutex+0x16e/0x17f (20)
 [<c012cec2>] debug_rt_mutex_lock+0x88/0xa3 (4)
 [<c012cec2>] debug_rt_mutex_lock+0x88/0xa3 (20)
 [<c011543f>] printk+0x1b/0x1f (32)
 [<c011d24c>] update_wall_time+0x65b/0x73b (16)
 [<c011d514>] run_timer_softirq+0x42/0x395 (100)
 [<c0119cd7>] ksoftirqd+0x0/0x175 (40)
 [<c0119dc3>] ksoftirqd+0xec/0x175 (4)
 [<c01259dd>] kthread+0x91/0xc0 (32)
 [<c012594c>] kthread+0x0/0xc0 (12)
 [<c0100c91>] kernel_thread_helper+0x5/0xb (16)
---------------------------
| preempt count: 00000001 ]
| 1-level deep critical section nesting:
----------------------------------------
.. [<c011d4fd>] .... run_timer_softirq+0x2b/0x395
.....[<00000000>] ..   ( <= 0x0)

------------------------------
| showing all locks held by: |  (softirq-timer/0/4 [dffc4050,  98]):
------------------------------

#001:             [c02f8984] {console_sem.lock}
... acquired at:               rt_down_trylock+0xe/0x32

BUG: scheduling while atomic: softirq-timer/0/0x00000001/4
 [<c0274beb>] __schedule+0x60/0x5d4 (8)
 [<c0104147>] dump_stack+0x13/0x15 (56)
 [<c02752ce>] schedule+0xaf/0xcd (24)
 [<c0275e91>] rt_lock_slowlock+0x14f/0x1de (12)
 [<c0155f86>] __kmalloc+0x96/0xed (4)
 [<c0155f86>] __kmalloc+0x96/0xed (12)
 [<c01ce732>] soft_cursor+0x56/0x18c (88)
 [<c0155f86>] __kmalloc+0x96/0xed (4)
 [<c01ce732>] soft_cursor+0x56/0x18c (36)
 [<c01ce602>] bit_cursor+0x465/0x47b (56)
 [<c01c9b08>] fbcon_cursor+0x21c/0x250 (160)
 [<c01ce19d>] bit_cursor+0x0/0x47b (20)
 [<c01e4cc5>] hide_cursor+0x21/0x5d (40)
 [<c01e8511>] vt_console_print+0x90/0x21e (16)
 [<c012cec2>] debug_rt_mutex_lock+0x88/0xa3 (4)
 [<c01e8481>] vt_console_print+0x0/0x21e (20)
 [<c011501c>] __call_console_drivers+0x34/0x40 (12)
 [<c01156aa>] release_console_sem+0x11b/0x1e7 (20)
 [<c012c267>] rt_mutex_slowtrylock+0x72/0x8b (8)
 [<c01153dc>] vprintk+0x29f/0x2e7 (28)
 [<c012b95c>] try_to_take_rt_mutex+0x16e/0x17f (20)
 [<c020e033>] i8042_interrupt+0x2c/0x20e (16)
 [<c012cec2>] debug_rt_mutex_lock+0x88/0xa3 (16)
 [<c012b95c>] try_to_take_rt_mutex+0x16e/0x17f (20)
 [<c012cec2>] debug_rt_mutex_lock+0x88/0xa3 (4)
 [<c012cec2>] debug_rt_mutex_lock+0x88/0xa3 (20)
 [<c011543f>] printk+0x1b/0x1f (32)
 [<c011d24c>] update_wall_time+0x65b/0x73b (16)
 [<c011d514>] run_timer_softirq+0x42/0x395 (100)
 [<c0119cd7>] ksoftirqd+0x0/0x175 (40)
 [<c0119dc3>] ksoftirqd+0xec/0x175 (4)
 [<c01259dd>] kthread+0x91/0xc0 (32)
 [<c012594c>] kthread+0x0/0xc0 (12)
 [<c0100c91>] kernel_thread_helper+0x5/0xb (16)
---------------------------
| preempt count: 00000001 ]
| 1-level deep critical section nesting:
----------------------------------------
.. [<c011d4fd>] .... run_timer_softirq+0x2b/0x395
.....[<00000000>] ..   ( <= 0x0)

------------------------------
| showing all locks held by: |  (softirq-timer/0/4 [dffc4050,  98]):
------------------------------

#001:             [c02f8984] {console_sem.lock}
... acquired at:               rt_down_trylock+0xe/0x32

hrtimers: Switched to high resolution mode CPU 0
BIOS EDD facility v0.16 2004-Jun-25, 1 devices found
input: AT Translated Set 2 keyboard as /class/input/input0
*****************************************************************************
*                                                                           *
*  REMINDER, the following debugging options are turned on in your .config: *
*                                                                           *
*        CONFIG_DEBUG_RT_MUTEXES                                             *
*        CONFIG_DEBUG_PREEMPT                                               *
*        CONFIG_DEBUG_SLAB                                                  *
*                                                                           *
*  they may increase runtime overhead and latencies.                        *
*                                                                           *
*****************************************************************************