<0>BUG: spinlock bad magic on CPU#0, swapper/1
<0> lock: c07bb40c, .magic: 00000000, .owner: <none>/-1, .owner_cpu: 0
Backtrace:
[<c003ccc0>] (dump_backtrace+0x0/0x10c) from [<c055ac38>] (dump_stack+0x18/0x1c)
 r6:00000000 r5:c070b6e4 r4:c07bb40c r3:00000000
[<c055ac20>] (dump_stack+0x0/0x1c) from [<c055e48c>] (spin_bug+0x94/0xa8)
[<c055e3f8>] (spin_bug+0x0/0xa8) from [<c02cccf0>] (do_raw_spin_lock+0x84/0x150)
 r6:c0051768 r5:20000193 r4:c07bb40c
[<c02ccc6c>] (do_raw_spin_lock+0x0/0x150) from [<c0563a80>] (_raw_spin_lock_irqsave+0x58/0x64)
[<c0563a28>] (_raw_spin_lock_irqsave+0x0/0x64) from [<c0051768>] (aw_set_next_clkevt+0x28/0x74)
 r6:c0051740 r5:c07bb40c r4:f1c20000
[<c0051740>] (aw_set_next_clkevt+0x0/0x74) from [<c008d690>] (clockevents_program_event+0xb4/0xfc)
 r7:00000000 r6:c0051740 r5:00000000 r4:00000000
[<c008d5dc>] (clockevents_program_event+0x0/0xfc) from [<c008dda8>] (tick_dev_program_event+0x5c/0x150)
 r7:00000000 r6:c0775140 r5:00000000 r4:0098967f
[<c008dd4c>] (tick_dev_program_event+0x0/0x150) from [<c008decc>] (tick_program_event+0x30/0x38)
[<c008de9c>] (tick_program_event+0x0/0x38) from [<c008367c>] (__hrtimer_start_range_ns+0x1dc/0x2dc)
[<c00834a0>] (__hrtimer_start_range_ns+0x0/0x2dc) from [<c00837d8>] (hrtimer_start_range_ns+0x2c/0x34)
[<c00837ac>] (hrtimer_start_range_ns+0x0/0x34) from [<c008ed64>] (tick_setup_sched_timer+0xb0/0x108)
[<c008ecb4>] (tick_setup_sched_timer+0x0/0x108) from [<c0083c6c>] (hrtimer_run_pending+0x84/0xe0)
[<c0083be8>] (hrtimer_run_pending+0x0/0xe0) from [<c006f650>] (run_timer_softirq+0x1c/0x2b8)
 r6:c083c90c r5:c083ca80 r4:00000001 r3:c0778640
[<c006f634>] (run_timer_softirq+0x0/0x2b8) from [<c0069120>] (__do_softirq+0xd0/0x180)
[<c0069050>] (__do_softirq+0x0/0x180) from [<c00696a4>] (irq_exit+0xa4/0xac)
[<c0069600>] (irq_exit+0x0/0xac) from [<c003303c>] (asm_do_IRQ+0x3c/0x8c)
 r4:c078cf4c r3:00000060
[<c0033000>] (asm_do_IRQ+0x0/0x8c) from [<c0038d8c>] (__irq_svc+0x4c/0x138)
Exception stack(0xd983dc60 to 0xd983dca8)
dc60: d9802300 d9840448 000040cf 007fffff 00000010 d9802300 d9801180 60000013
dc80: c02c025c c10f8224 000000d0 d983dce4 c09e3b60 d983dca8 c009204c c055c9f4
dca0: 20000013 ffffffff
 r6:00000001 r5:f1c20400 r4:ffffffff r3:20000013
[<c055c7bc>] (__slab_alloc.isra.42.constprop.48+0x0/0x454) from [<c00f63e8>] (__kmalloc_track_caller+0x124/0x184)
[<c00f62c4>] (__kmalloc_track_caller+0x0/0x184) from [<c0427d28>] (__alloc_skb+0x58/0xe8)
[<c0427cd0>] (__alloc_skb+0x0/0xe8) from [<c02c025c>] (kobject_uevent_env+0x284/0x498)
[<c02bffd8>] (kobject_uevent_env+0x0/0x498) from [<c02c0484>] (kobject_uevent+0x14/0x18)
[<c02c0470>] (kobject_uevent+0x0/0x18) from [<c03123bc>] (device_add+0x498/0x56c)
[<c0311f24>] (device_add+0x0/0x56c) from [<c03124ac>] (device_register+0x1c/0x20)
[<c0312490>] (device_register+0x0/0x20) from [<c0312558>] (device_create_vargs+0xa8/0xd8)
 r4:d98e8800 r3:d98c9d40
[<c03124b0>] (device_create_vargs+0x0/0xd8) from [<c03125b0>] (device_create+0x28/0x30)
 r8:d987eb34 r7:d9881e00 r6:00400001 r5:00000000 r4:d983de78
r3:00000000
[<c0312588>] (device_create+0x0/0x30) from [<c02ea134>] (tty_register_device+0x78/0xec)
[<c02ea0bc>] (tty_register_device+0x0/0xec) from [<c02ea65c>] (tty_register_driver+0xf8/0x22c)
 r6:00000000 r5:d987ea80 r4:00000000
[<c02ea564>] (tty_register_driver+0x0/0x22c) from [<c001e200>] (vty_init+0x150/0x1ac)
 r8:00000000 r7:00000004 r6:00000002 r5:c078ea40 r4:d987ea80
[<c001e0b0>] (vty_init+0x0/0x1ac) from [<c001d78c>] (tty_init+0x114/0x14c)
 r7:d983c000 r6:c0d49c80 r5:00000000 r4:c0d47fc0
[<c001d678>] (tty_init+0x0/0x14c) from [<c001edd0>] (chr_dev_init+0xb4/0xd8)
 r5:c05fe0dc r4:0000000c
[<c001ed1c>] (chr_dev_init+0x0/0xd8) from [<c003347c>] (do_one_initcall+0x128/0x1ac)
 r6:c07b8d00 r5:c002b444 r4:c002ae98
[<c0033354>] (do_one_initcall+0x0/0x1ac) from [<c0008b38>] (kernel_init+0xe0/0x184)
[<c0008a58>] (kernel_init+0x0/0x184) from [<c0066a94>] (do_exit+0x0/0x754)
 r6:c0066a94 r5:c0008a58 r4:00000000
<0>BUG: spinlock lockup on CPU#0, swapper/1, c07bb40c
Backtrace:
[<c003ccc0>] (dump_backtrace+0x0/0x10c) from [<c055ac38>] (dump_stack+0x18/0x1c)
 r6:1ddbc000 r5:00000000 r4:00000000 r3:00000000
[<c055ac20>] (dump_stack+0x0/0x1c) from [<c02ccd84>] (do_raw_spin_lock+0x118/0x150)
[<c02ccc6c>] (do_raw_spin_lock+0x0/0x150) from [<c0563a80>] (_raw_spin_lock_irqsave+0x58/0x64)
[<c0563a28>] (_raw_spin_lock_irqsave+0x0/0x64) from [<c0051768>] (aw_set_next_clkevt+0x28/0x74)
 r6:c0051740 r5:c07bb40c r4:f1c20000
[<c0051740>] (aw_set_next_clkevt+0x0/0x74) from [<c008d690>] (clockevents_program_event+0xb4/0xfc)
 r7:00000000 r6:c0051740 r5:00000000 r4:00000000
[<c008d5dc>] (clockevents_program_event+0x0/0xfc) from [<c008dda8>] (tick_dev_program_event+0x5c/0x150)
 r7:00000000 r6:c0775140 r5:00000000 r4:0098967f
[<c008dd4c>] (tick_dev_program_event+0x0/0x150) from [<c008decc>] (tick_program_event+0x30/0x38)
[<c008de9c>] (tick_program_event+0x0/0x38) from [<c008367c>] (__hrtimer_start_range_ns+0x1dc/0x2dc)
[<c00834a0>] (__hrtimer_start_range_ns+0x0/0x2dc) from [<c00837d8>] (hrtimer_start_range_ns+0x2c/0x34)
[<c00837ac>] (hrtimer_start_range_ns+0x0/0x34) from [<c008ed64>] (tick_setup_sched_timer+0xb0/0x108)
[<c008ecb4>] (tick_setup_sched_timer+0x0/0x108) from [<c0083c6c>] (hrtimer_run_pending+0x84/0xe0)
[<c0083be8>] (hrtimer_run_pending+0x0/0xe0) from [<c006f650>] (run_timer_softirq+0x1c/0x2b8)
 r6:c083c90c r5:c083ca80 r4:00000001 r3:c0778640
[<c006f634>] (run_timer_softirq+0x0/0x2b8) from [<c0069120>] (__do_softirq+0xd0/0x180)
[<c0069050>] (__do_softirq+0x0/0x180) from [<c00696a4>] (irq_exit+0xa4/0xac)
[<c0069600>] (irq_exit+0x0/0xac) from [<c003303c>] (asm_do_IRQ+0x3c/0x8c)
 r4:c078cf4c r3:00000060
[<c0033000>] (asm_do_IRQ+0x0/0x8c) from [<c0038d8c>] (__irq_svc+0x4c/0x138)
Exception stack(0xd983dc60 to 0xd983dca8)
dc60: d9802300 d9840448 000040cf 007fffff 00000010 d9802300 d9801180 60000013
dc80: c02c025c c10f8224 000000d0 d983dce4 c09e3b60 d983dca8 c009204c c055c9f4
dca0: 20000013 ffffffff
 r6:00000001 r5:f1c20400 r4:ffffffff r3:20000013
[<c055c7bc>] (__slab_alloc.isra.42.constprop.48+0x0/0x454) from [<c00f63e8>] (__kmalloc_track_caller+0x124/0x184)
[<c00f62c4>] (__kmalloc_track_caller+0x0/0x184) from [<c0427d28>] (__alloc_skb+0x58/0xe8)
[<c0427cd0>] (__alloc_skb+0x0/0xe8) from [<c02c025c>] (kobject_uevent_env+0x284/0x498)
[<c02bffd8>] (kobject_uevent_env+0x0/0x498) from [<c02c0484>] (kobject_uevent+0x14/0x18)
[<c02c0470>] (kobject_uevent+0x0/0x18) from [<c03123bc>] (device_add+0x498/0x56c)
[<c0311f24>] (device_add+0x0/0x56c) from [<c03124ac>] (device_register+0x1c/0x20)
[<c0312490>] (device_register+0x0/0x20) from [<c0312558>] (device_create_vargs+0xa8/0xd8)
 r4:d98e8800 r3:d98c9d40
[<c03124b0>] (device_create_vargs+0x0/0xd8) from [<c03125b0>] (device_create+0x28/0x30)
 r8:d987eb34 r7:d9881e00 r6:00400001 r5:00000000 r4:d983de78
r3:00000000
[<c0312588>] (device_create+0x0/0x30) from [<c02ea134>] (tty_register_device+0x78/0xec)
[<c02ea0bc>] (tty_register_device+0x0/0xec) from [<c02ea65c>] (tty_register_driver+0xf8/0x22c)
 r6:00000000 r5:d987ea80 r4:00000000
[<c02ea564>] (tty_register_driver+0x0/0x22c) from [<c001e200>] (vty_init+0x150/0x1ac)
 r8:00000000 r7:00000004 r6:00000002 r5:c078ea40 r4:d987ea80
[<c001e0b0>] (vty_init+0x0/0x1ac) from [<c001d78c>] (tty_init+0x114/0x14c)
 r7:d983c000 r6:c0d49c80 r5:00000000 r4:c0d47fc0
[<c001d678>] (tty_init+0x0/0x14c) from [<c001edd0>] (chr_dev_init+0xb4/0xd8)
 r5:c05fe0dc r4:0000000c
[<c001ed1c>] (chr_dev_init+0x0/0xd8) from [<c003347c>] (do_one_initcall+0x128/0x1ac)
 r6:c07b8d00 r5:c002b444 r4:c002ae98
[<c0033354>] (do_one_initcall+0x0/0x1ac) from [<c0008b38>] (kernel_init+0xe0/0x184)
[<c0008a58>] (kernel_init+0x0/0x184) from [<c0066a94>] (do_exit+0x0/0x754)
 r6:c0066a94 r5:c0008a58 r4:00000000