[ 2040.340748@2] insmod          R  running task        0  6310   5602 0x0040000a
[ 2040.347907@2] Call trace:
[ 2040.350504@2] [<ffffffc001085a00>] __switch_to+0x74/0x8c
[ 2040.355757@2] [<ffffffc001081418>] gic_handle_irq+0x44/0x88
[ 2040.361277@2] Exception stack(0xffffffc034ad3930 to 0xffffffc034ad3a50)
[ 2040.367833@2] 3920:                                     fc05a328 ffffffbf 22b2d748 ffffffc0
[ 2040.376113@2] 3940: 34ad3a70 ffffffc0 019c122c ffffffc0 07c26400 00000000 000063c2 00000000
[ 2040.384393@2] 3960: 00006400 00000000 00000000 00000000 00000000 00000000 218b5d28 ffffffc0
[ 2040.392673@2] 3980: 1d593380 ffffffc0 18e64000 ffffffc0 000001a4 00000000 18e6468c ffffffc0
[ 2040.400953@2] 39a0: 00000400 00000000 00000400 00000000 de076c70 00000000 de076c60 00000000
[ 2040.409233@2] 39c0: f6fa90cf 00000000 00000000 00000000 0120a274 ffffffc0 00000000 00000000
[ 2040.417513@2] 39e0: 00000000 00000000 fc05a328 ffffffbf 22b2d748 ffffffc0 22b2d800 ffffffc0
[ 2040.425793@2] 3a00: 22b2d948 ffffffc0 1f47b800 ffffffc0 218b5c00 ffffffc0 00000001 00000000
[ 2040.434073@2] 3a20: fc05a328 ffffffbf fc05a330 ffffffbf 1d4f6c80 ffffffc0 34ad3a70 ffffffc0
[ 2040.442351@2] 3a40: 019c1208 ffffffc0 34ad3a70 ffffffc0
[ 2040.447527@2] [<ffffffc001083da8>] el1_irq+0x68/0xd8
[ 2040.452449@2] [<ffffffbffc057f54>] sr_probe+0xb4/0x588 [sr_mod]
[ 2040.458310@2] [<ffffffc001457bc4>] really_probe+0xd4/0x244
[ 2040.463742@2] [<ffffffc001457e58>] __driver_attach+0xb0/0xb8
[ 2040.469351@2] [<ffffffc001455c2c>] bus_for_each_dev+0x68/0xac
[ 2040.475041@2] [<ffffffc001457674>] driver_attach+0x28/0x34
[ 2040.480474@2] [<ffffffc00145727c>] bus_add_driver+0x158/0x210
[ 2040.486167@2] [<ffffffc001458614>] driver_register+0x64/0x124
[ 2040.491861@2] [<ffffffc0014881d8>] scsi_register_driver+0x2c/0x3c
[ 2040.497899@2] [<ffffffbffc05c034>] $x+0x34/0x60 [sr_mod]
[ 2040.503158@2] [<ffffffc0010816a4>] do_one_initcall+0xd4/0x138
[ 2040.508853@2] [<ffffffc0011144c4>] load_module+0x1420/0x1dbc
[ 2040.514457@2] [<ffffffc001114f24>] SyS_init_module+0xc4/0xf8
[ 2078.450243@1] aiu i2s playback disable
[ 2078.450275@1] audio_hw_958_enable 0
[ 2078.451818@1] set normal 512 fs /4 fs
[ 2078.455438@1] IEC958 16bit
[ 2078.458110@1] hdmitx: audio: aout notify rate 48000
[ 2078.462950@1] hdmitx: audio: aout notify size 16
[ 2078.467510@1] hdmitx: audio: no update
[ 2083.479681@1] speaker_events--mute =0
[ 2103.369604@3] INFO: rcu_sched self-detected stall on CPU { 3}  (t=8408 jiffies g=18446744073709551417 c=18446744073709551416 q=4)
[ 2103.375572@3] CPU: 3 PID: 6310 Comm: insmod Tainted: P        W  O 3.14.29-g60b9457 #1
[ 2103.383418@3] Call trace:
[ 2103.386015@3] [<ffffffc001088e74>] dump_backtrace+0x0/0x144
[ 2103.391527@3] [<ffffffc001088fd4>] show_stack+0x1c/0x28
[ 2103.396705@3] [<ffffffc0019b8ed0>] dump_stack+0x74/0xb8
[ 2103.401880@3] [<ffffffc0010fd600>] rcu_check_callbacks+0x5b8/0xb7c
[ 2103.408001@3] [<ffffffc0010a8f34>] update_process_times+0x50/0x80
[ 2103.414040@3] [<ffffffc001109854>] tick_sched_handle.isra.14+0x5c/0x74
[ 2103.420507@3] [<ffffffc0011098b4>] tick_sched_timer+0x48/0x74
[ 2103.426200@3] [<ffffffc0010c0d04>] __run_hrtimer+0x70/0x28c
[ 2103.431719@3] [<ffffffc0010c1968>] hrtimer_interrupt+0x110/0x2a8
[ 2103.437673@3] [<ffffffc0015f5150>] meson_timer_interrupt+0x30/0xa4
[ 2103.443796@3] [<ffffffc0010f2908>] handle_irq_event_percpu+0x64/0x260
[ 2103.450177@3] [<ffffffc0010f2b54>] handle_irq_event+0x50/0x80
[ 2103.455869@3] [<ffffffc0010f6040>] handle_fasteoi_irq+0xa0/0x140
[ 2103.461821@3] [<ffffffc0010f1f24>] generic_handle_irq+0x38/0x54
[ 2103.467686@3] [<ffffffc0010848ac>] handle_IRQ+0x50/0xd0
[ 2103.472860@3] [<ffffffc001081418>] gic_handle_irq+0x44/0x88
[ 2103.478379@3] Exception stack(0xffffffc034ad3930 to 0xffffffc034ad3a50)
[ 2103.484935@3] 3920:                                     fc05a328 ffffffbf 22b2d748 ffffffc0
[ 2103.493217@3] 3940: 34ad3a70 ffffffc0 019c122c ffffffc0 07c26400 00000000 000063c2 00000000
[ 2103.501496@3] 3960: 00006400 00000000 00000000 00000000 00000000 00000000 218b5d28 ffffffc0
[ 2103.509776@3] 3980: 1d593380 ffffffc0 18e64000 ffffffc0 000001a4 00000000 18e6468c ffffffc0
[ 2103.518056@3] 39a0: 00000400 00000000 00000400 00000000 de076c70 00000000 de076c60 00000000
[ 2103.526336@3] 39c0: f6fa90cf 00000000 00000000 00000000 0120a274 ffffffc0 00000000 00000000
[ 2103.534616@3] 39e0: 00000000 00000000 fc05a328 ffffffbf 22b2d748 ffffffc0 22b2d800 ffffffc0
[ 2103.542896@3] 3a00: 22b2d948 ffffffc0 1f47b800 ffffffc0 218b5c00 ffffffc0 00000001 00000000
[ 2103.551176@3] 3a20: fc05a328 ffffffbf fc05a330 ffffffbf 1d4f6c80 ffffffc0 34ad3a70 ffffffc0
[ 2103.559455@3] 3a40: 019c1208 ffffffc0 34ad3a70 ffffffc0
[ 2103.564632@3] [<ffffffc001083da8>] el1_irq+0x68/0xd8
[ 2103.569553@3] [<ffffffbffc057f54>] sr_probe+0xb4/0x588 [sr_mod]
[ 2103.575414@3] [<ffffffc001457bc4>] really_probe+0xd4/0x244
[ 2103.580845@3] [<ffffffc001457e58>] __driver_attach+0xb0/0xb8
[ 2103.586453@3] [<ffffffc001455c2c>] bus_for_each_dev+0x68/0xac
[ 2103.589623@2] INFO: rcu_sched detected stalls on CPUs/tasks: { 3} (detected by 2, t=8430 jiffies, g=18446744073709551417, c=18446744073709551416, q=4)
[ 2103.589626@2] Task dump for CPU 3:
[ 2103.589633@2] insmod          R  running task        0  6310   5602 0x0040000a
[ 2103.589635@2] Call trace:
[ 2103.589645@2] [<ffffffc001085a00>] __switch_to+0x74/0x8c
[ 2103.589648@2] [<ffffffc001081418>] gic_handle_irq+0x44/0x88
[ 2103.589650@2] Exception stack(0xffffffc034ad3930 to 0xffffffc034ad3a50)
[ 2103.589654@2] 3920:                                     fc05a328 ffffffbf 22b2d748 ffffffc0
[ 2103.589658@2] 3940: 34ad3a70 ffffffc0 019c122c ffffffc0 07c26400 00000000 000063c2 00000000
[ 2103.589663@2] 3960: 00006400 00000000 00000000 00000000 00000000 00000000 218b5d28 ffffffc0
[ 2103.589667@2] 3980: 1d593380 ffffffc0 18e64000 ffffffc0 000001a4 00000000 18e6468c ffffffc0
[ 2103.589671@2] 39a0: 00000400 00000000 00000400 00000000 de076c70 00000000 de076c60 00000000
[ 2103.589676@2] 39c0: f6fa90cf 00000000 00000000 00000000 0120a274 ffffffc0 00000000 00000000
[ 2103.589680@2] 39e0: 00000000 00000000 fc05a328 ffffffbf 22b2d748 ffffffc0 22b2d800 ffffffc0
[ 2103.589685@2] 3a00: 22b2d948 ffffffc0 1f47b800 ffffffc0 218b5c00 ffffffc0 00000001 00000000
[ 2103.589689@2] 3a20: fc05a328 ffffffbf fc05a330 ffffffbf 1d4f6c80 ffffffc0 34ad3a70 ffffffc0
[ 2103.589693@2] 3a40: 019c1208 ffffffc0 34ad3a70 ffffffc0
[ 2103.589695@2] [<ffffffc001083da8>] el1_irq+0x68/0xd8
[ 2103.589701@2] [<ffffffbffc057f54>] sr_probe+0xb4/0x588 [sr_mod]
[ 2103.589703@2] [<ffffffc001457bc4>] really_probe+0xd4/0x244
[ 2103.589706@2] [<ffffffc001457e58>] __driver_attach+0xb0/0xb8
[ 2103.589710@2] [<ffffffc001455c2c>] bus_for_each_dev+0x68/0xac
[ 2103.589713@2] [<ffffffc001457674>] driver_attach+0x28/0x34
[ 2103.589716@2] [<ffffffc00145727c>] bus_add_driver+0x158/0x210
[ 2103.589720@2] [<ffffffc001458614>] driver_register+0x64/0x124
[ 2103.589725@2] [<ffffffc0014881d8>] scsi_register_driver+0x2c/0x3c
[ 2103.589730@2] [<ffffffbffc05c034>] $x+0x34/0x60 [sr_mod]
[ 2103.589733@2] [<ffffffc0010816a4>] do_one_initcall+0xd4/0x138
[ 2103.589739@2] [<ffffffc0011144c4>] load_module+0x1420/0x1dbc
[ 2103.589743@2] [<ffffffc001114f24>] SyS_init_module+0xc4/0xf8
[ 2103.788190@3] [<ffffffc001457674>] driver_attach+0x28/0x34
[ 2103.793623@3] [<ffffffc00145727c>] bus_add_driver+0x158/0x210
[ 2103.799316@3] [<ffffffc001458614>] driver_register+0x64/0x124
[ 2103.805008@3] [<ffffffc0014881d8>] scsi_register_driver+0x2c/0x3c
[ 2103.811048@3] [<ffffffbffc05c034>] $x+0x34/0x60 [sr_mod]
[ 2103.816307@3] [<ffffffc0010816a4>] do_one_initcall+0xd4/0x138
[ 2103.822001@3] [<ffffffc0011144c4>] load_module+0x1420/0x1dbc
[ 2103.827607@3] [<ffffffc001114f24>] SyS_init_module+0xc4/0xf8
[ 2132.340603@0] init: untracked pid 5602 exited with status 129
[ 2144.964946@0] type=1400 audit(1461424241.088:34): avc: denied { syslog_read } for pid=6377 comm="dmesg" scontext=u:r:init_shell:s0 tcontext=u:r:kernel:s0 tclass=system permissive=1