[ 43.037213] init: plymouth-stop pre-start process (1581) terminated with status 1 [ 472.409392] perf samples too long (2505 > 2500), lowering kernel.perf_event_max_sample_rate to 50000 [ 1236.155756] perf samples too long (5024 > 5000), lowering kernel.perf_event_max_sample_rate to 25000 [ 5709.124102] usb 2-1: USB disconnect, device number 2 [ 5709.416043] usb 2-1: new low-speed USB device number 3 using uhci_hcd [ 5709.593795] usb 2-1: New USB device found, idVendor=03f0, idProduct=8607 [ 5709.593803] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=0 [ 5709.593808] usb 2-1: Product: HP Mobile USB Optical Mouse [ 5709.593812] usb 2-1: Manufacturer: PixArt [ 5709.613733] input: PixArt HP Mobile USB Optical Mouse as /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1:1.0/input/input13 [ 5709.613910] hid-generic 0003:03F0:8607.0004: input,hidraw0: USB HID v1.11 Mouse [PixArt HP Mobile USB Optical Mouse] on usb-0000:00:1d.0-1/input0 [ 8517.724106] hub 2-0:1.0: port 1 disabled by hub (EMI?), re-enabling... [ 8517.724120] usb 2-1: USB disconnect, device number 3 [ 8517.988068] usb 2-1: new low-speed USB device number 4 using uhci_hcd [ 8518.165413] usb 2-1: New USB device found, idVendor=03f0, idProduct=8607 [ 8518.165420] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=0 [ 8518.165425] usb 2-1: Product: HP Mobile USB Optical Mouse [ 8518.165429] usb 2-1: Manufacturer: PixArt [ 8518.185346] input: PixArt HP Mobile USB Optical Mouse as /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1:1.0/input/input14 [ 8518.185493] hid-generic 0003:03F0:8607.0005: input,hidraw0: USB HID v1.11 Mouse [PixArt HP Mobile USB Optical Mouse] on usb-0000:00:1d.0-1/input0 [15392.780115] usb 2-1: USB disconnect, device number 4 [15393.052033] usb 2-1: new low-speed USB device number 5 using uhci_hcd [15393.540064] usb 2-1: new low-speed USB device number 6 using uhci_hcd [15394.064035] usb 2-1: device not accepting address 6, error -71 [15394.544042] usb 2-1: new low-speed USB device number 8 using uhci_hcd [15394.664055] usb 2-1: device descriptor read/64, error -71 [15394.888055] usb 2-1: device descriptor read/64, error -71 [15395.104058] usb 2-1: new low-speed USB device number 9 using uhci_hcd [15395.281358] usb 2-1: New USB device found, idVendor=03f0, idProduct=8607 [15395.281366] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=0 [15395.281371] usb 2-1: Product: HP Mobile USB Optical Mouse [15395.281376] usb 2-1: Manufacturer: PixArt [15395.302194] input: PixArt HP Mobile USB Optical Mouse as /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1:1.0/input/input15 [15395.302414] hid-generic 0003:03F0:8607.0006: input,hidraw0: USB HID v1.11 Mouse [PixArt HP Mobile USB Optical Mouse] on usb-0000:00:1d.0-1/input0 [15395.612116] usb 2-1: USB disconnect, device number 9 [15395.884036] usb 2-1: new low-speed USB device number 10 using uhci_hcd [15396.061359] usb 2-1: New USB device found, idVendor=03f0, idProduct=8607 [15396.061366] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=0 [15396.061371] usb 2-1: Product: HP Mobile USB Optical Mouse [15396.061376] usb 2-1: Manufacturer: PixArt [15396.082204] input: PixArt HP Mobile USB Optical Mouse as /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1:1.0/input/input16 [15396.082494] hid-generic 0003:03F0:8607.0007: input,hidraw0: USB HID v1.11 Mouse [PixArt HP Mobile USB Optical Mouse] on usb-0000:00:1d.0-1/input0 [15770.236094] hub 2-0:1.0: port 1 disabled by hub (EMI?), re-enabling... [15770.236106] usb 2-1: USB disconnect, device number 10 [15770.516047] usb 2-1: new low-speed USB device number 11 using uhci_hcd [15770.693575] usb 2-1: New USB device found, idVendor=03f0, idProduct=8607 [15770.693584] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=0 [15770.693589] usb 2-1: Product: HP Mobile USB Optical Mouse [15770.693593] usb 2-1: Manufacturer: PixArt [15770.713510] input: PixArt HP Mobile USB Optical Mouse as /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1:1.0/input/input17 [15770.713695] hid-generic 0003:03F0:8607.0008: input,hidraw0: USB HID v1.11 Mouse [PixArt HP Mobile USB Optical Mouse] on usb-0000:00:1d.0-1/input0 [15889.772107] usb 2-1: USB disconnect, device number 11 [15890.076047] usb 2-1: new low-speed USB device number 12 using uhci_hcd [15890.253647] usb 2-1: New USB device found, idVendor=03f0, idProduct=8607 [15890.253658] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=0 [15890.253663] usb 2-1: Product: HP Mobile USB Optical Mouse [15890.253667] usb 2-1: Manufacturer: PixArt [15890.273536] input: PixArt HP Mobile USB Optical Mouse as /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1:1.0/input/input18 [15890.273723] hid-generic 0003:03F0:8607.0009: input,hidraw0: USB HID v1.11 Mouse [PixArt HP Mobile USB Optical Mouse] on usb-0000:00:1d.0-1/input0 [16070.316115] hub 2-0:1.0: port 1 disabled by hub (EMI?), re-enabling... [16070.316127] usb 2-1: USB disconnect, device number 12 [16070.596122] usb 2-1: new low-speed USB device number 13 using uhci_hcd [16070.773751] usb 2-1: New USB device found, idVendor=03f0, idProduct=8607 [16070.773759] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=0 [16070.773764] usb 2-1: Product: HP Mobile USB Optical Mouse [16070.773769] usb 2-1: Manufacturer: PixArt [16070.794593] input: PixArt HP Mobile USB Optical Mouse as /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1:1.0/input/input19 [16070.794948] hid-generic 0003:03F0:8607.000A: input,hidraw0: USB HID v1.11 Mouse [PixArt HP Mobile USB Optical Mouse] on usb-0000:00:1d.0-1/input0 [19848.100086] usb 2-1: USB disconnect, device number 13 [19848.364120] usb 2-1: new low-speed USB device number 14 using uhci_hcd [19848.541911] usb 2-1: New USB device found, idVendor=03f0, idProduct=8607 [19848.541916] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=0 [19848.541918] usb 2-1: Product: HP Mobile USB Optical Mouse [19848.541920] usb 2-1: Manufacturer: PixArt [19848.561906] input: PixArt HP Mobile USB Optical Mouse as /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1:1.0/input/input20 [19848.562186] hid-generic 0003:03F0:8607.000B: input,hidraw0: USB HID v1.11 Mouse [PixArt HP Mobile USB Optical Mouse] on usb-0000:00:1d.0-1/input0 [19849.836080] usb 2-1: USB disconnect, device number 14 [19850.091916] systemd-udevd[12335]: Failed to apply ACL on /dev/bus/usb/002/014: No such file or directory [19850.091929] systemd-udevd[12335]: Failed to apply ACL on /dev/bus/usb/002/014: No such file or directory [19850.100037] usb 2-1: new low-speed USB device number 15 using uhci_hcd [19850.277916] usb 2-1: New USB device found, idVendor=03f0, idProduct=8607 [19850.277924] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=0 [19850.277929] usb 2-1: Product: HP Mobile USB Optical Mouse [19850.277933] usb 2-1: Manufacturer: PixArt [19850.297806] input: PixArt HP Mobile USB Optical Mouse as /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1:1.0/input/input21 [19850.297996] hid-generic 0003:03F0:8607.000C: input,hidraw0: USB HID v1.11 Mouse [PixArt HP Mobile USB Optical Mouse] on usb-0000:00:1d.0-1/input0 [20040.504082] INFO: task python:12341 blocked for more than 120 seconds. [20040.504091] Not tainted 3.13.0-32-generic #57-Ubuntu [20040.504093] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [20040.504096] python D c166dcc0 0 12341 1 0x00000000 [20040.504102] c790dec8 00200086 0000120e c166dcc0 f73e6540 c1a8d540 c1920a00 c1037d5a [20040.504111] c1a8d540 c1920a00 c477cda0 f73d8540 c88f8000 f73e6540 c88f8000 c790dea4 [20040.504119] c1080cc8 000f4240 00000000 f73e6540 c88f8000 f73e6540 f73e6540 c790deb4 [20040.504127] Call Trace: [20040.504139] [] ? native_smp_send_reschedule+0x3a/0x50 [20040.504144] [] ? ttwu_do_wakeup+0x18/0x120 [20040.504149] [] ? try_to_wake_up+0x150/0x240 [20040.504164] [] schedule_preempt_disabled+0x23/0x60 [20040.504169] [] __mutex_lock_slowpath+0x10d/0x171 [20040.504175] [] mutex_lock+0x1c/0x28 [20040.504181] [] pp_ioctl+0x1b/0x40 [ppdev] [20040.504187] [] ? pp_do_ioctl+0x860/0x860 [ppdev] [20040.504192] [] do_vfs_ioctl+0x2e2/0x4d0 [20040.504197] [] ? __do_page_fault+0x237/0x510 [20040.504201] [] ? final_putname+0x1d/0x40 [20040.504205] [] ? putname+0x24/0x40 [20040.504211] [] ? do_sys_open+0x196/0x260 [20040.504215] [] SyS_ioctl+0x60/0x80 [20040.504220] [] sysenter_do_call+0x12/0x28 [20160.504097] INFO: task python:12341 blocked for more than 120 seconds. [20160.504107] Not tainted 3.13.0-32-generic #57-Ubuntu [20160.504110] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [20160.504114] python D c166dcc0 0 12341 1 0x00000000 [20160.504122] c790dec8 00200086 0000120e c166dcc0 f73e6540 c1a8d540 c1920a00 c1037d5a [20160.504134] c1a8d540 c1920a00 c477cda0 f73d8540 c88f8000 f73e6540 c88f8000 c790dea4 [20160.504144] c1080cc8 000f4240 00000000 f73e6540 c88f8000 f73e6540 f73e6540 c790deb4 [20160.504155] Call Trace: [20160.504168] [] ? native_smp_send_reschedule+0x3a/0x50 [20160.504176] [] ? ttwu_do_wakeup+0x18/0x120 [20160.504182] [] ? try_to_wake_up+0x150/0x240 [20160.504199] [] schedule_preempt_disabled+0x23/0x60 [20160.504205] [] __mutex_lock_slowpath+0x10d/0x171 [20160.504213] [] mutex_lock+0x1c/0x28 [20160.504221] [] pp_ioctl+0x1b/0x40 [ppdev] [20160.504229] [] ? pp_do_ioctl+0x860/0x860 [ppdev] [20160.504236] [] do_vfs_ioctl+0x2e2/0x4d0 [20160.504242] [] ? __do_page_fault+0x237/0x510 [20160.504247] [] ? final_putname+0x1d/0x40 [20160.504253] [] ? putname+0x24/0x40 [20160.504259] [] ? do_sys_open+0x196/0x260 [20160.504265] [] SyS_ioctl+0x60/0x80 [20160.504272] [] sysenter_do_call+0x12/0x28 [20280.504102] INFO: task python:12341 blocked for more than 120 seconds. [20280.504112] Not tainted 3.13.0-32-generic #57-Ubuntu [20280.504115] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [20280.504118] python D c166dcc0 0 12341 1 0x00000000 [20280.504127] c790dec8 00200086 0000120e c166dcc0 f73e6540 c1a8d540 c1920a00 c1037d5a [20280.504139] c1a8d540 c1920a00 c477cda0 f73d8540 c88f8000 f73e6540 c88f8000 c790dea4 [20280.504149] c1080cc8 000f4240 00000000 f73e6540 c88f8000 f73e6540 f73e6540 c790deb4 [20280.504159] Call Trace: [20280.504173] [] ? native_smp_send_reschedule+0x3a/0x50 [20280.504180] [] ? ttwu_do_wakeup+0x18/0x120 [20280.504187] [] ? try_to_wake_up+0x150/0x240 [20280.504207] [] schedule_preempt_disabled+0x23/0x60 [20280.504210] [] __mutex_lock_slowpath+0x10d/0x171 [20280.504213] [] mutex_lock+0x1c/0x28 [20280.504218] [] pp_ioctl+0x1b/0x40 [ppdev] [20280.504221] [] ? pp_do_ioctl+0x860/0x860 [ppdev] [20280.504225] [] do_vfs_ioctl+0x2e2/0x4d0 [20280.504228] [] ? __do_page_fault+0x237/0x510 [20280.504231] [] ? final_putname+0x1d/0x40 [20280.504233] [] ? putname+0x24/0x40 [20280.504237] [] ? do_sys_open+0x196/0x260 [20280.504240] [] SyS_ioctl+0x60/0x80 [20280.504243] [] sysenter_do_call+0x12/0x28 [20400.504097] INFO: task python:12341 blocked for more than 120 seconds. [20400.504107] Not tainted 3.13.0-32-generic #57-Ubuntu [20400.504109] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [20400.504113] python D c166dcc0 0 12341 1 0x00000000 [20400.504121] c790dec8 00200086 0000120e c166dcc0 f73e6540 c1a8d540 c1920a00 c1037d5a [20400.504133] c1a8d540 c1920a00 c477cda0 f73d8540 c88f8000 f73e6540 c88f8000 c790dea4 [20400.504143] c1080cc8 000f4240 00000000 f73e6540 c88f8000 f73e6540 f73e6540 c790deb4 [20400.504153] Call Trace: [20400.504166] [] ? native_smp_send_reschedule+0x3a/0x50 [20400.504174] [] ? ttwu_do_wakeup+0x18/0x120 [20400.504180] [] ? try_to_wake_up+0x150/0x240 [20400.504200] [] schedule_preempt_disabled+0x23/0x60 [20400.504209] [] __mutex_lock_slowpath+0x10d/0x171 [20400.504215] [] mutex_lock+0x1c/0x28 [20400.504222] [] pp_ioctl+0x1b/0x40 [ppdev] [20400.504227] [] ? pp_do_ioctl+0x860/0x860 [ppdev] [20400.504233] [] do_vfs_ioctl+0x2e2/0x4d0 [20400.504237] [] ? __do_page_fault+0x237/0x510 [20400.504242] [] ? final_putname+0x1d/0x40 [20400.504246] [] ? putname+0x24/0x40 [20400.504251] [] ? do_sys_open+0x196/0x260 [20400.504255] [] SyS_ioctl+0x60/0x80 [20400.504260] [] sysenter_do_call+0x12/0x28 [20520.504097] INFO: task python:12341 blocked for more than 120 seconds. [20520.504111] Not tainted 3.13.0-32-generic #57-Ubuntu [20520.504113] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [20520.504117] python D c166dcc0 0 12341 1 0x00000000 [20520.504125] c790dec8 00200086 0000120e c166dcc0 f73e6540 c1a8d540 c1920a00 c1037d5a [20520.504137] c1a8d540 c1920a00 c477cda0 f73d8540 c88f8000 f73e6540 c88f8000 c790dea4 [20520.504147] c1080cc8 000f4240 00000000 f73e6540 c88f8000 f73e6540 f73e6540 c790deb4 [20520.504157] Call Trace: [20520.504171] [] ? native_smp_send_reschedule+0x3a/0x50 [20520.504178] [] ? ttwu_do_wakeup+0x18/0x120 [20520.504184] [] ? try_to_wake_up+0x150/0x240 [20520.504202] [] schedule_preempt_disabled+0x23/0x60 [20520.504207] [] __mutex_lock_slowpath+0x10d/0x171 [20520.504215] [] mutex_lock+0x1c/0x28 [20520.504224] [] pp_ioctl+0x1b/0x40 [ppdev] [20520.504231] [] ? pp_do_ioctl+0x860/0x860 [ppdev] [20520.504238] [] do_vfs_ioctl+0x2e2/0x4d0 [20520.504244] [] ? __do_page_fault+0x237/0x510 [20520.504250] [] ? final_putname+0x1d/0x40 [20520.504255] [] ? putname+0x24/0x40 [20520.504262] [] ? do_sys_open+0x196/0x260 [20520.504268] [] SyS_ioctl+0x60/0x80 [20520.504274] [] sysenter_do_call+0x12/0x28 [20640.504089] INFO: task python:12341 blocked for more than 120 seconds. [20640.504097] Not tainted 3.13.0-32-generic #57-Ubuntu [20640.504098] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [20640.504101] python D c166dcc0 0 12341 1 0x00000000 [20640.504105] c790dec8 00200086 0000120e c166dcc0 f73e6540 c1a8d540 c1920a00 c1037d5a [20640.504111] c1a8d540 c1920a00 c477cda0 f73d8540 c88f8000 f73e6540 c88f8000 c790dea4 [20640.504115] c1080cc8 000f4240 00000000 f73e6540 c88f8000 f73e6540 f73e6540 c790deb4 [20640.504120] Call Trace: [20640.504131] [] ? native_smp_send_reschedule+0x3a/0x50 [20640.504135] [] ? ttwu_do_wakeup+0x18/0x120 [20640.504138] [] ? try_to_wake_up+0x150/0x240 [20640.504151] [] schedule_preempt_disabled+0x23/0x60 [20640.504154] [] __mutex_lock_slowpath+0x10d/0x171 [20640.504157] [] mutex_lock+0x1c/0x28 [20640.504162] [] pp_ioctl+0x1b/0x40 [ppdev] [20640.504165] [] ? pp_do_ioctl+0x860/0x860 [ppdev] [20640.504169] [] do_vfs_ioctl+0x2e2/0x4d0 [20640.504172] [] ? __do_page_fault+0x237/0x510 [20640.504175] [] ? final_putname+0x1d/0x40 [20640.504177] [] ? putname+0x24/0x40 [20640.504182] [] ? do_sys_open+0x196/0x260 [20640.504184] [] SyS_ioctl+0x60/0x80 [20640.504188] [] sysenter_do_call+0x12/0x28 [20760.504083] INFO: task python:12341 blocked for more than 120 seconds. [20760.504093] Not tainted 3.13.0-32-generic #57-Ubuntu [20760.504096] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [20760.504100] python D c166dcc0 0 12341 1 0x00000000 [20760.504108] c790dec8 00200086 0000120e c166dcc0 f73e6540 c1a8d540 c1920a00 c1037d5a [20760.504119] c1a8d540 c1920a00 c477cda0 f73d8540 c88f8000 f73e6540 c88f8000 c790dea4 [20760.504130] c1080cc8 000f4240 00000000 f73e6540 c88f8000 f73e6540 f73e6540 c790deb4 [20760.504140] Call Trace: [20760.504154] [] ? native_smp_send_reschedule+0x3a/0x50 [20760.504161] [] ? ttwu_do_wakeup+0x18/0x120 [20760.504167] [] ? try_to_wake_up+0x150/0x240 [20760.504184] [] schedule_preempt_disabled+0x23/0x60 [20760.504190] [] __mutex_lock_slowpath+0x10d/0x171 [20760.504198] [] mutex_lock+0x1c/0x28 [20760.504206] [] pp_ioctl+0x1b/0x40 [ppdev] [20760.504213] [] ? pp_do_ioctl+0x860/0x860 [ppdev] [20760.504220] [] do_vfs_ioctl+0x2e2/0x4d0 [20760.504226] [] ? __do_page_fault+0x237/0x510 [20760.504231] [] ? final_putname+0x1d/0x40 [20760.504236] [] ? putname+0x24/0x40 [20760.504244] [] ? do_sys_open+0x196/0x260 [20760.504249] [] SyS_ioctl+0x60/0x80 [20760.504255] [] sysenter_do_call+0x12/0x28 [20880.504092] INFO: task python:12341 blocked for more than 120 seconds. [20880.504107] Not tainted 3.13.0-32-generic #57-Ubuntu [20880.504109] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [20880.504118] python D c166dcc0 0 12341 1 0x00000000 [20880.504126] c790dec8 00200086 0000120e c166dcc0 f73e6540 c1a8d540 c1920a00 c1037d5a [20880.504138] c1a8d540 c1920a00 c477cda0 f73d8540 c88f8000 f73e6540 c88f8000 c790dea4 [20880.504148] c1080cc8 000f4240 00000000 f73e6540 c88f8000 f73e6540 f73e6540 c790deb4 [20880.504158] Call Trace: [20880.504172] [] ? native_smp_send_reschedule+0x3a/0x50 [20880.504179] [] ? ttwu_do_wakeup+0x18/0x120 [20880.504186] [] ? try_to_wake_up+0x150/0x240 [20880.504202] [] schedule_preempt_disabled+0x23/0x60 [20880.504208] [] __mutex_lock_slowpath+0x10d/0x171 [20880.504216] [] mutex_lock+0x1c/0x28 [20880.504224] [] pp_ioctl+0x1b/0x40 [ppdev] [20880.504231] [] ? pp_do_ioctl+0x860/0x860 [ppdev] [20880.504238] [] do_vfs_ioctl+0x2e2/0x4d0 [20880.504245] [] ? __do_page_fault+0x237/0x510 [20880.504250] [] ? final_putname+0x1d/0x40 [20880.504256] [] ? putname+0x24/0x40 [20880.504263] [] ? do_sys_open+0x196/0x260 [20880.504268] [] SyS_ioctl+0x60/0x80 [20880.504275] [] sysenter_do_call+0x12/0x28 [21000.504091] INFO: task python:12341 blocked for more than 120 seconds. [21000.504100] Not tainted 3.13.0-32-generic #57-Ubuntu [21000.504103] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [21000.504107] python D c166dcc0 0 12341 1 0x00000000 [21000.504115] c790dec8 00200086 0000120e c166dcc0 f73e6540 c1a8d540 c1920a00 c1037d5a [21000.504127] c1a8d540 c1920a00 c477cda0 f73d8540 c88f8000 f73e6540 c88f8000 c790dea4 [21000.504137] c1080cc8 000f4240 00000000 f73e6540 c88f8000 f73e6540 f73e6540 c790deb4 [21000.504148] Call Trace: [21000.504162] [] ? native_smp_send_reschedule+0x3a/0x50 [21000.504169] [] ? ttwu_do_wakeup+0x18/0x120 [21000.504176] [] ? try_to_wake_up+0x150/0x240 [21000.504192] [] schedule_preempt_disabled+0x23/0x60 [21000.504202] [] __mutex_lock_slowpath+0x10d/0x171 [21000.504205] [] mutex_lock+0x1c/0x28 [21000.504210] [] pp_ioctl+0x1b/0x40 [ppdev] [21000.504213] [] ? pp_do_ioctl+0x860/0x860 [ppdev] [21000.504217] [] do_vfs_ioctl+0x2e2/0x4d0 [21000.504220] [] ? __do_page_fault+0x237/0x510 [21000.504222] [] ? final_putname+0x1d/0x40 [21000.504225] [] ? putname+0x24/0x40 [21000.504229] [] ? do_sys_open+0x196/0x260 [21000.504231] [] SyS_ioctl+0x60/0x80 [21000.504234] [] sysenter_do_call+0x12/0x28 [21120.504100] INFO: task python:12341 blocked for more than 120 seconds. [21120.504110] Not tainted 3.13.0-32-generic #57-Ubuntu [21120.504113] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [21120.504117] python D c166dcc0 0 12341 1 0x00000000 [21120.504125] c790dec8 00200086 0000120e c166dcc0 f73e6540 c1a8d540 c1920a00 c1037d5a [21120.504137] c1a8d540 c1920a00 c477cda0 f73d8540 c88f8000 f73e6540 c88f8000 c790dea4 [21120.504147] c1080cc8 000f4240 00000000 f73e6540 c88f8000 f73e6540 f73e6540 c790deb4 [21120.504157] Call Trace: [21120.504171] [] ? native_smp_send_reschedule+0x3a/0x50 [21120.504178] [] ? ttwu_do_wakeup+0x18/0x120 [21120.504184] [] ? try_to_wake_up+0x150/0x240 [21120.504206] [] schedule_preempt_disabled+0x23/0x60 [21120.504209] [] __mutex_lock_slowpath+0x10d/0x171 [21120.504212] [] mutex_lock+0x1c/0x28 [21120.504217] [] pp_ioctl+0x1b/0x40 [ppdev] [21120.504220] [] ? pp_do_ioctl+0x860/0x860 [ppdev] [21120.504224] [] do_vfs_ioctl+0x2e2/0x4d0 [21120.504227] [] ? __do_page_fault+0x237/0x510 [21120.504230] [] ? final_putname+0x1d/0x40 [21120.504232] [] ? putname+0x24/0x40 [21120.504236] [] ? do_sys_open+0x196/0x260 [21120.504239] [] SyS_ioctl+0x60/0x80 [21120.504242] [] sysenter_do_call+0x12/0x28 [27123.180082] usb 2-1: USB disconnect, device number 15 [27123.472040] usb 2-1: new low-speed USB device number 16 using uhci_hcd [27123.653084] usb 2-1: New USB device found, idVendor=03f0, idProduct=8607 [27123.653089] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=0 [27123.653092] usb 2-1: Product: HP Mobile USB Optical Mouse [27123.653095] usb 2-1: Manufacturer: PixArt [27123.672987] input: PixArt HP Mobile USB Optical Mouse as /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1:1.0/input/input22 [27123.673203] hid-generic 0003:03F0:8607.000D: input,hidraw0: USB HID v1.11 Mouse [PixArt HP Mobile USB Optical Mouse] on usb-0000:00:1d.0-1/input0 [27274.358646] show_signal_msg: 99 callbacks suppressed [27274.358653] mpegaudioparse0[17677]: segfault at 0 ip (null) sp 8c152d4c error 14 in rhythmbox[8048000+1000]