Apr 25 15:52:45 TIMELINEX kernel: [ 1793.816449] snd_hda_intel 0000:01:00.1: Disabling via VGA-switcheroo
Apr 25 15:52:45 TIMELINEX kernel: [ 1794.032848] snd_hda_intel 0000:01:00.1: Cannot lock devices!
Apr 25 15:52:45 TIMELINEX kernel: [ 1794.032855] radeon: switched off
Apr 25 15:52:46 TIMELINEX kernel: [ 1794.828697] i915 0000:00:02.0: BAR 6: [??? 0x00000000 flags 0x2] has bogus alignment
Apr 25 15:52:46 TIMELINEX kernel: [ 1794.828710] pci 0000:00:1e.0: PCI bridge to [bus 04]
Apr 25 15:52:46 TIMELINEX kernel: [ 1794.828770] pci_raw_set_power_state: 21 callbacks suppressed
Apr 25 15:52:46 TIMELINEX kernel: [ 1794.828775] snd_hda_intel 0000:01:00.1: Refused to change power state, currently in D3
Apr 25 15:52:46 TIMELINEX kernel: [ 1794.904349] snd_hda_intel 0000:01:00.1: Refused to change power state, currently in D3
Apr 25 15:53:11 TIMELINEX kernel: [ 1819.421339] NMI watchdog: BUG: soft lockup - CPU#3 stuck for 22s! [pulseaudio:1579]
Apr 25 15:53:11 TIMELINEX kernel: [ 1819.421343] Modules linked in: ctr ccm uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core v4l2_common videodev media arc4 amdkfd amd_iommu_v2 ath9k acer_wmi ath9k_common sparse_keymap ath9k_hw radeon intel_powerclamp ath i915 coretemp mac80211 cfg80211 kvm_intel ttm kvm drm_kms_helper snd_seq_midi snd_hda_codec_realtek snd_hda_codec_hdmi snd_hda_codec_generic snd_seq_midi_event drm snd_rawmidi snd_seq snd_hda_intel snd_hda_controller snd_seq_device snd_hda_codec snd_hwdep joydev snd_pcm serio_raw snd_timer snd soundcore mei_me i2c_algo_bit wmi shpchp intel_ips mei lpc_ich video mac_hid parport_pc ppdev lp parport autofs4 hid_generic usbhid hid psmouse ahci libahci atl1c
Apr 25 15:53:11 TIMELINEX kernel: [ 1819.421385] CPU: 3 PID: 1579 Comm: pulseaudio Not tainted 3.19.0-15-generic #15-Ubuntu
Apr 25 15:53:11 TIMELINEX kernel: [ 1819.421387] Hardware name: Acer Aspire 4820TG/JM41_CP, BIOS V1.25 03/16/2011
Apr 25 15:53:11 TIMELINEX kernel: [ 1819.421388] task: ffff8800a6bc0000 ti: ffff8800a2444000 task.ti: ffff8800a2444000
Apr 25 15:53:11 TIMELINEX kernel: [ 1819.421390] RIP: 0010:[<ffffffff817c8f4c>]  [<ffffffff817c8f4c>] _raw_spin_lock+0x3c/0x80
Apr 25 15:53:11 TIMELINEX kernel: [ 1819.421399] RSP: 0018:ffff8800a2447cc8  EFLAGS: 00000206
Apr 25 15:53:11 TIMELINEX kernel: [ 1819.421400] RAX: 000000000000672e RBX: ffffffff811d4145 RCX: 0000000000004000
Apr 25 15:53:11 TIMELINEX kernel: [ 1819.421402] RDX: 0000000000004000 RSI: 000000000000ae31 RDI: ffff8800aee08848
Apr 25 15:53:11 TIMELINEX kernel: [ 1819.421403] RBP: ffff8800a2447cc8 R08: 000000000000ae31 R09: 000000018040003f
Apr 25 15:53:11 TIMELINEX kernel: [ 1819.421404] R10: 0000000000000292 R11: 0000000000000000 R12: ffffea0002b14f80
Apr 25 15:53:11 TIMELINEX kernel: [ 1819.421405] R13: ffffffffac3fd400 R14: ffffffff811d476e R15: ffff8800a2447c48
Apr 25 15:53:11 TIMELINEX kernel: [ 1819.421406] FS:  00007f680fe51780(0000) GS:ffff880137cc0000(0000) knlGS:0000000000000000
Apr 25 15:53:11 TIMELINEX kernel: [ 1819.421408] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Apr 25 15:53:11 TIMELINEX kernel: [ 1819.421409] CR2: 00007f01206389c8 CR3: 000000009cd74000 CR4: 00000000000007e0
Apr 25 15:53:11 TIMELINEX kernel: [ 1819.421410] Stack:
Apr 25 15:53:11 TIMELINEX kernel: [ 1819.421411]  ffff8800a2447ce8 ffffffffc03532df ffff8800ae0b1000 ffff8800ae0b0980
Apr 25 15:53:11 TIMELINEX kernel: [ 1819.421413]  ffff8800a2447d08 ffffffffc0377f28 ffff8800364eaf00 ffff8800ae0b0980
Apr 25 15:53:11 TIMELINEX kernel: [ 1819.421415]  ffff8800a2447d18 ffffffffc0378072 ffff8800a2447d38 ffffffffc030b391
Apr 25 15:53:11 TIMELINEX kernel: [ 1819.421416] Call Trace:
Apr 25 15:53:11 TIMELINEX kernel: [ 1819.421429]  [<ffffffffc03532df>] snd_hda_unlock_devices+0x1f/0x40 [snd_hda_codec]
Apr 25 15:53:11 TIMELINEX kernel: [ 1819.421433]  [<ffffffffc0377f28>] azx_free+0xa8/0x1e0 [snd_hda_intel]
Apr 25 15:53:11 TIMELINEX kernel: [ 1819.421436]  [<ffffffffc0378072>] azx_dev_free+0x12/0x20 [snd_hda_intel]
Apr 25 15:53:11 TIMELINEX kernel: [ 1819.421442]  [<ffffffffc030b391>] __snd_device_free+0x51/0xa0 [snd]
Apr 25 15:53:11 TIMELINEX kernel: [ 1819.421447]  [<ffffffffc030b645>] snd_device_free_all+0x35/0x50 [snd]
Apr 25 15:53:11 TIMELINEX kernel: [ 1819.421451]  [<ffffffffc0304864>] release_card_device+0x34/0xa0 [snd]
Apr 25 15:53:11 TIMELINEX kernel: [ 1819.421455]  [<ffffffff81501516>] device_release+0x36/0xb0
Apr 25 15:53:11 TIMELINEX kernel: [ 1819.421458]  [<ffffffff813b6bda>] kobject_release+0x7a/0x1c0
Apr 25 15:53:11 TIMELINEX kernel: [ 1819.421460]  [<ffffffff813b6a75>] kobject_put+0x35/0x70
Apr 25 15:53:11 TIMELINEX kernel: [ 1819.421462]  [<ffffffff81501847>] put_device+0x17/0x20
Apr 25 15:53:11 TIMELINEX kernel: [ 1819.421466]  [<ffffffffc0305020>] snd_card_file_remove+0x100/0x140 [snd]
Apr 25 15:53:11 TIMELINEX kernel: [ 1819.421470]  [<ffffffffc03079d0>] snd_ctl_release+0x110/0x120 [snd]
Apr 25 15:53:11 TIMELINEX kernel: [ 1819.421474]  [<ffffffffc0304bdb>] snd_disconnect_release+0xdb/0xf0 [snd]
Apr 25 15:53:11 TIMELINEX kernel: [ 1819.421479]  [<ffffffff811f4f97>] __fput+0xe7/0x250
Apr 25 15:53:11 TIMELINEX kernel: [ 1819.421481]  [<ffffffff811f514e>] ____fput+0xe/0x10
Apr 25 15:53:11 TIMELINEX kernel: [ 1819.421485]  [<ffffffff81092d07>] task_work_run+0xb7/0xf0
Apr 25 15:53:11 TIMELINEX kernel: [ 1819.421490]  [<ffffffff81014ff7>] do_notify_resume+0x97/0xb0
Apr 25 15:53:11 TIMELINEX kernel: [ 1819.421492]  [<ffffffff817c95ef>] int_signal+0x12/0x17
Apr 25 15:53:11 TIMELINEX kernel: [ 1819.421493] Code: 07 89 c2 c1 ea 10 66 39 c2 75 04 5d c3 66 90 41 89 d0 0f b7 f2 b8 00 80 00 00 eb 0a 0f 1f 00 f3 90 83 e8 01 74 35 0f b7 17 89 d1 <44> 31 c1 81 e1 fe ff 00 00 75 e9 f6 c2 01 74 d0 89 d6 0f b7 c2 
Apr 25 15:53:39 TIMELINEX kernel: [ 1847.408872] NMI watchdog: BUG: soft lockup - CPU#3 stuck for 22s! [pulseaudio:1579]
Apr 25 15:53:39 TIMELINEX kernel: [ 1847.408876] Modules linked in: ctr ccm uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core v4l2_common videodev media arc4 amdkfd amd_iommu_v2 ath9k acer_wmi ath9k_common sparse_keymap ath9k_hw radeon intel_powerclamp ath i915 coretemp mac80211 cfg80211 kvm_intel ttm kvm drm_kms_helper snd_seq_midi snd_hda_codec_realtek snd_hda_codec_hdmi snd_hda_codec_generic snd_seq_midi_event drm snd_rawmidi snd_seq snd_hda_intel snd_hda_controller snd_seq_device snd_hda_codec snd_hwdep joydev snd_pcm serio_raw snd_timer snd soundcore mei_me i2c_algo_bit wmi shpchp intel_ips mei lpc_ich video mac_hid parport_pc ppdev lp parport autofs4 hid_generic usbhid hid psmouse ahci libahci atl1c
Apr 25 15:53:39 TIMELINEX kernel: [ 1847.408919] CPU: 3 PID: 1579 Comm: pulseaudio Tainted: G             L 3.19.0-15-generic #15-Ubuntu
Apr 25 15:53:39 TIMELINEX kernel: [ 1847.408920] Hardware name: Acer Aspire 4820TG/JM41_CP, BIOS V1.25 03/16/2011
Apr 25 15:53:39 TIMELINEX kernel: [ 1847.408922] task: ffff8800a6bc0000 ti: ffff8800a2444000 task.ti: ffff8800a2444000
Apr 25 15:53:39 TIMELINEX kernel: [ 1847.408923] RIP: 0010:[<ffffffff817c8f4a>]  [<ffffffff817c8f4a>] _raw_spin_lock+0x3a/0x80
Apr 25 15:53:39 TIMELINEX kernel: [ 1847.408933] RSP: 0018:ffff8800a2447cc8  EFLAGS: 00000206
Apr 25 15:53:39 TIMELINEX kernel: [ 1847.408934] RAX: 00000000000040b4 RBX: ffffffff811d4145 RCX: 000000000000ee30
Apr 25 15:53:39 TIMELINEX kernel: [ 1847.408935] RDX: 0000000000004000 RSI: 000000000000ae31 RDI: ffff8800aee08848
Apr 25 15:53:39 TIMELINEX kernel: [ 1847.408936] RBP: ffff8800a2447cc8 R08: 000000000000ae31 R09: 000000018040003f
Apr 25 15:53:39 TIMELINEX kernel: [ 1847.408937] R10: 0000000000000292 R11: 0000000000000000 R12: ffffea0002b14f80
Apr 25 15:53:39 TIMELINEX kernel: [ 1847.408938] R13: ffffffffac3fd400 R14: ffffffff811d476e R15: ffff8800a2447c48
Apr 25 15:53:39 TIMELINEX kernel: [ 1847.408940] FS:  00007f680fe51780(0000) GS:ffff880137cc0000(0000) knlGS:0000000000000000
Apr 25 15:53:39 TIMELINEX kernel: [ 1847.408941] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Apr 25 15:53:39 TIMELINEX kernel: [ 1847.408942] CR2: 00007f01206389c8 CR3: 000000009cd74000 CR4: 00000000000007e0
Apr 25 15:53:39 TIMELINEX kernel: [ 1847.408943] Stack:
Apr 25 15:53:39 TIMELINEX kernel: [ 1847.408944]  ffff8800a2447ce8 ffffffffc03532df ffff8800ae0b1000 ffff8800ae0b0980
Apr 25 15:53:39 TIMELINEX kernel: [ 1847.408946]  ffff8800a2447d08 ffffffffc0377f28 ffff8800364eaf00 ffff8800ae0b0980
Apr 25 15:53:39 TIMELINEX kernel: [ 1847.408948]  ffff8800a2447d18 ffffffffc0378072 ffff8800a2447d38 ffffffffc030b391
Apr 25 15:53:39 TIMELINEX kernel: [ 1847.408950] Call Trace:
Apr 25 15:53:39 TIMELINEX kernel: [ 1847.408961]  [<ffffffffc03532df>] snd_hda_unlock_devices+0x1f/0x40 [snd_hda_codec]
Apr 25 15:53:39 TIMELINEX kernel: [ 1847.408965]  [<ffffffffc0377f28>] azx_free+0xa8/0x1e0 [snd_hda_intel]
Apr 25 15:53:39 TIMELINEX kernel: [ 1847.408968]  [<ffffffffc0378072>] azx_dev_free+0x12/0x20 [snd_hda_intel]
Apr 25 15:53:39 TIMELINEX kernel: [ 1847.408975]  [<ffffffffc030b391>] __snd_device_free+0x51/0xa0 [snd]
Apr 25 15:53:39 TIMELINEX kernel: [ 1847.408980]  [<ffffffffc030b645>] snd_device_free_all+0x35/0x50 [snd]
Apr 25 15:53:39 TIMELINEX kernel: [ 1847.408984]  [<ffffffffc0304864>] release_card_device+0x34/0xa0 [snd]
Apr 25 15:53:39 TIMELINEX kernel: [ 1847.408987]  [<ffffffff81501516>] device_release+0x36/0xb0
Apr 25 15:53:39 TIMELINEX kernel: [ 1847.408991]  [<ffffffff813b6bda>] kobject_release+0x7a/0x1c0
Apr 25 15:53:39 TIMELINEX kernel: [ 1847.408992]  [<ffffffff813b6a75>] kobject_put+0x35/0x70
Apr 25 15:53:39 TIMELINEX kernel: [ 1847.408995]  [<ffffffff81501847>] put_device+0x17/0x20
Apr 25 15:53:39 TIMELINEX kernel: [ 1847.408998]  [<ffffffffc0305020>] snd_card_file_remove+0x100/0x140 [snd]
Apr 25 15:53:39 TIMELINEX kernel: [ 1847.409002]  [<ffffffffc03079d0>] snd_ctl_release+0x110/0x120 [snd]
Apr 25 15:53:39 TIMELINEX kernel: [ 1847.409006]  [<ffffffffc0304bdb>] snd_disconnect_release+0xdb/0xf0 [snd]
Apr 25 15:53:39 TIMELINEX kernel: [ 1847.409010]  [<ffffffff811f4f97>] __fput+0xe7/0x250
Apr 25 15:53:39 TIMELINEX kernel: [ 1847.409012]  [<ffffffff811f514e>] ____fput+0xe/0x10
Apr 25 15:53:39 TIMELINEX kernel: [ 1847.409016]  [<ffffffff81092d07>] task_work_run+0xb7/0xf0
Apr 25 15:53:39 TIMELINEX kernel: [ 1847.409021]  [<ffffffff81014ff7>] do_notify_resume+0x97/0xb0
Apr 25 15:53:39 TIMELINEX kernel: [ 1847.409022]  [<ffffffff817c95ef>] int_signal+0x12/0x17
Apr 25 15:53:39 TIMELINEX kernel: [ 1847.409024] Code: 0f c1 07 89 c2 c1 ea 10 66 39 c2 75 04 5d c3 66 90 41 89 d0 0f b7 f2 b8 00 80 00 00 eb 0a 0f 1f 00 f3 90 83 e8 01 74 35 0f b7 17 <89> d1 44 31 c1 81 e1 fe ff 00 00 75 e9 f6 c2 01 74 d0 89 d6 0f 
Apr 25 15:53:46 TIMELINEX kernel: [ 1854.901530] INFO: rcu_sched self-detected stall on CPU { 3}  (t=15000 jiffies g=15116 c=15115 q=0)
Apr 25 15:53:46 TIMELINEX kernel: [ 1854.901538] Task dump for CPU 3:
Apr 25 15:53:46 TIMELINEX kernel: [ 1854.901540] pulseaudio      R  running task        0  1579   1170 0x00000008
Apr 25 15:53:46 TIMELINEX kernel: [ 1854.901543]  ffffffff81c568c0 ffff880137cc3d68 ffffffff810a1016 0000000000000003
Apr 25 15:53:46 TIMELINEX kernel: [ 1854.901545]  ffffffff81c568c0 ffff880137cc3d88 ffffffff810a455d ffff880137cc3dc8
Apr 25 15:53:46 TIMELINEX kernel: [ 1854.901547]  0000000000000004 ffff880137cc3db8 ffffffff810d5671 ffff880137cd4f40
Apr 25 15:53:46 TIMELINEX kernel: [ 1854.901549] Call Trace:
Apr 25 15:53:46 TIMELINEX kernel: [ 1854.901551]  <IRQ>  [<ffffffff810a1016>] sched_show_task+0xb6/0x130
Apr 25 15:53:46 TIMELINEX kernel: [ 1854.901561]  [<ffffffff810a455d>] dump_cpu_task+0x3d/0x50
Apr 25 15:53:46 TIMELINEX kernel: [ 1854.901566]  [<ffffffff810d5671>] rcu_dump_cpu_stacks+0x91/0xd0
Apr 25 15:53:46 TIMELINEX kernel: [ 1854.901568]  [<ffffffff810d950c>] rcu_check_callbacks+0x41c/0x660
Apr 25 15:53:46 TIMELINEX kernel: [ 1854.901571]  [<ffffffff810a55c0>] ? account_process_tick+0x60/0x170
Apr 25 15:53:46 TIMELINEX kernel: [ 1854.901574]  [<ffffffff810de4b9>] update_process_times+0x39/0x60
Apr 25 15:53:46 TIMELINEX kernel: [ 1854.901579]  [<ffffffff810edb55>] tick_sched_handle.isra.16+0x25/0x60
Apr 25 15:53:46 TIMELINEX kernel: [ 1854.901580]  [<ffffffff810edbd4>] tick_sched_timer+0x44/0x80
Apr 25 15:53:46 TIMELINEX kernel: [ 1854.901582]  [<ffffffff810df117>] __run_hrtimer+0x77/0x1d0
Apr 25 15:53:46 TIMELINEX kernel: [ 1854.901584]  [<ffffffff810edb90>] ? tick_sched_handle.isra.16+0x60/0x60
Apr 25 15:53:46 TIMELINEX kernel: [ 1854.901586]  [<ffffffff810df51f>] hrtimer_interrupt+0xff/0x240
Apr 25 15:53:46 TIMELINEX kernel: [ 1854.901591]  [<ffffffff8104ae8c>] local_apic_timer_interrupt+0x3c/0x70
Apr 25 15:53:46 TIMELINEX kernel: [ 1854.901595]  [<ffffffff817cc361>] smp_apic_timer_interrupt+0x41/0x60
Apr 25 15:53:46 TIMELINEX kernel: [ 1854.901597]  [<ffffffff817ca3fd>] apic_timer_interrupt+0x6d/0x80
Apr 25 15:53:46 TIMELINEX kernel: [ 1854.901598]  <EOI>  [<ffffffff811d4145>] ? __slab_free+0xa5/0x320
Apr 25 15:53:46 TIMELINEX kernel: [ 1854.901606]  [<ffffffff817c8f42>] ? _raw_spin_lock+0x32/0x80
Apr 25 15:53:46 TIMELINEX kernel: [ 1854.901610]  [<ffffffff810b65d6>] ? complete_all+0x46/0x60
Apr 25 15:53:46 TIMELINEX kernel: [ 1854.901627]  [<ffffffffc03532df>] snd_hda_unlock_devices+0x1f/0x40 [snd_hda_codec]
Apr 25 15:53:46 TIMELINEX kernel: [ 1854.901631]  [<ffffffffc0377f28>] azx_free+0xa8/0x1e0 [snd_hda_intel]
Apr 25 15:53:46 TIMELINEX kernel: [ 1854.901634]  [<ffffffffc0378072>] azx_dev_free+0x12/0x20 [snd_hda_intel]
Apr 25 15:53:46 TIMELINEX kernel: [ 1854.901641]  [<ffffffffc030b391>] __snd_device_free+0x51/0xa0 [snd]
Apr 25 15:53:46 TIMELINEX kernel: [ 1854.901646]  [<ffffffffc030b645>] snd_device_free_all+0x35/0x50 [snd]
Apr 25 15:53:46 TIMELINEX kernel: [ 1854.901649]  [<ffffffffc0304864>] release_card_device+0x34/0xa0 [snd]
Apr 25 15:53:46 TIMELINEX kernel: [ 1854.901653]  [<ffffffff81501516>] device_release+0x36/0xb0
Apr 25 15:53:46 TIMELINEX kernel: [ 1854.901656]  [<ffffffff813b6bda>] kobject_release+0x7a/0x1c0
Apr 25 15:53:46 TIMELINEX kernel: [ 1854.901659]  [<ffffffff813b6a75>] kobject_put+0x35/0x70
Apr 25 15:53:46 TIMELINEX kernel: [ 1854.901662]  [<ffffffff81501847>] put_device+0x17/0x20
Apr 25 15:53:46 TIMELINEX kernel: [ 1854.901668]  [<ffffffffc0305020>] snd_card_file_remove+0x100/0x140 [snd]
Apr 25 15:53:46 TIMELINEX kernel: [ 1854.901673]  [<ffffffffc03079d0>] snd_ctl_release+0x110/0x120 [snd]
Apr 25 15:53:46 TIMELINEX kernel: [ 1854.901678]  [<ffffffffc0304bdb>] snd_disconnect_release+0xdb/0xf0 [snd]
Apr 25 15:53:46 TIMELINEX kernel: [ 1854.901683]  [<ffffffff811f4f97>] __fput+0xe7/0x250
Apr 25 15:53:46 TIMELINEX kernel: [ 1854.901687]  [<ffffffff811f514e>] ____fput+0xe/0x10
Apr 25 15:53:46 TIMELINEX kernel: [ 1854.901691]  [<ffffffff81092d07>] task_work_run+0xb7/0xf0
Apr 25 15:53:46 TIMELINEX kernel: [ 1854.901697]  [<ffffffff81014ff7>] do_notify_resume+0x97/0xb0
Apr 25 15:53:46 TIMELINEX kernel: [ 1854.901700]  [<ffffffff817c95ef>] int_signal+0x12/0x17
Apr 25 15:53:53 TIMELINEX kernel: [ 1861.336488] perf interrupt took too long (2505 > 2500), lowering kernel.perf_event_max_sample_rate to 50000