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Congelación aleatoria con ubuntu 14.04

Instaló ubuntu 14.04 y el sistema se congela al menos una vez al día en lo que parecen ser momentos aleatorios.

Con Congelamiento quiero decir que el teclado y la pantalla del mouse no reaccionarán en absoluto. Esto sucederá sin importar si el sistema está funcionando o si está inactivo con la pantalla de bloqueo activada.

He tenido que mantener presionado el botón de encendido en mi dektop (powerwash) para reiniciar cada vez.

En mi registro var/logs/syslog parece que hubo procesos ejecutándose incluso después de que la pantalla se congeló. Teniendo en cuenta qué tareas se completaron, creo que el sistema se congeló en algún momento entre las 11 y las 12. 12:50 es cuando reinicié el escritorio.

Si alguien puede ver el problema en mi syslog o decirme dónde buscarlo, sería de gran ayuda. Ni siquiera sé por dónde empezar.

    Mar  8 09:43:00 ray-desktop kernel: [ 4315.744847] [drm:drm_mode_addfb2] [FB:50]
Mar  8 09:43:00 ray-desktop kernel: [ 4315.761520] [drm:drm_mode_addfb2] [FB:51]
Mar  8 09:43:00 ray-desktop kernel: [ 4315.779039] [drm:drm_mode_addfb2] [FB:52]
Mar  8 09:43:00 ray-desktop kernel: [ 4315.795394] [drm:drm_mode_addfb2] [FB:53]
Mar  8 09:43:00 ray-desktop kernel: [ 4316.147743] [drm:intel_crtc_cursor_set_obj] cursor off
Mar  8 09:43:00 ray-desktop kernel: [ 4316.147759] [drm:g4x_check_srwm] SR watermark: display plane 51, cursor 2
Mar  8 09:43:00 ray-desktop kernel: [ 4316.147765] [drm:g4x_check_srwm] SR watermark: display plane 100, cursor 2
Mar  8 09:43:00 ray-desktop kernel: [ 4316.147771] [drm:valleyview_update_wm] Setting FIFO watermarks - A: plane=150, cursor=2, B: plane=2, cursor=2, SR: plane=51, cursor=2
Mar  8 09:43:00 ray-desktop kernel: [ 4316.147778] [drm:intel_set_memory_cxsr] memory self-refresh is enabled
Mar  8 09:43:01 ray-desktop kernel: [ 4316.427894] [drm:g4x_check_srwm] SR watermark: display plane 51, cursor 6
Mar  8 09:43:01 ray-desktop kernel: [ 4316.427905] [drm:g4x_check_srwm] SR watermark: display plane 100, cursor 10
Mar  8 09:43:01 ray-desktop kernel: [ 4316.427911] [drm:valleyview_update_wm] Setting FIFO watermarks - A: plane=150, cursor=6, B: plane=2, cursor=2, SR: plane=51, cursor=10
Mar  8 09:43:01 ray-desktop kernel: [ 4316.427919] [drm:intel_set_memory_cxsr] memory self-refresh is enabled
Mar  8 09:43:02 ray-desktop kernel: [ 4317.463828] [drm:drm_mode_addfb2] [FB:54]
Mar  8 09:43:02 ray-desktop kernel: [ 4317.481212] [drm:drm_mode_addfb2] [FB:55]
Mar  8 09:43:02 ray-desktop kernel: [ 4317.497587] [drm:drm_mode_addfb2] [FB:56]
Mar  8 09:43:02 ray-desktop kernel: [ 4317.684299] [drm:drm_mode_addfb2] [FB:57]
Mar  8 09:43:02 ray-desktop kernel: [ 4317.897821] [drm:drm_mode_addfb2] [FB:58]
Mar  8 09:43:02 ray-desktop kernel: [ 4317.913903] [drm:drm_mode_addfb2] [FB:59]
Mar  8 09:43:02 ray-desktop kernel: [ 4317.931722] [drm:drm_mode_addfb2] [FB:60]
Mar  8 09:43:02 ray-desktop kernel: [ 4317.949703] [drm:drm_mode_addfb2] [FB:61]
Mar  8 09:43:07 ray-desktop kernel: [ 4322.292837] [drm:drm_mode_addfb2] [FB:37]
Mar  8 09:43:09 ray-desktop kernel: [ 4325.078441] [drm:drm_mode_addfb2] [FB:45]
Mar  8 09:43:09 ray-desktop kernel: [ 4325.096236] [drm:drm_mode_addfb2] [FB:49]
Mar  8 09:43:09 ray-desktop kernel: [ 4325.113447] [drm:drm_mode_addfb2] [FB:50]
Mar  8 09:43:10 ray-desktop kernel: [ 4325.214863] [drm:drm_mode_addfb2] [FB:51]
Mar  8 09:43:10 ray-desktop kernel: [ 4325.416992] [drm:drm_mode_addfb2] [FB:52]
Mar  8 09:43:12 ray-desktop kernel: [ 4327.273145] [drm:drm_mode_addfb2] [FB:53]
Mar  8 09:43:12 ray-desktop kernel: [ 4327.289811] [drm:drm_mode_addfb2] [FB:54]
Mar  8 09:43:12 ray-desktop kernel: [ 4327.306292] [drm:drm_mode_addfb2] [FB:55]
Mar  8 09:43:12 ray-desktop kernel: [ 4327.323071] [drm:drm_mode_addfb2] [FB:56]
Mar  8 09:43:12 ray-desktop kernel: [ 4327.340752] [drm:drm_mode_addfb2] [FB:57]
Mar  8 09:43:12 ray-desktop kernel: [ 4327.358048] [drm:drm_mode_addfb2] [FB:58]
Mar  8 09:43:12 ray-desktop kernel: [ 4327.374379] [drm:drm_mode_addfb2] [FB:59]
Mar  8 09:43:12 ray-desktop kernel: [ 4327.394037] [drm:drm_mode_addfb2] [FB:60]
Mar  8 09:43:12 ray-desktop kernel: [ 4327.410758] [drm:drm_mode_addfb2] [FB:61]
Mar  8 09:43:12 ray-desktop kernel: [ 4327.427707] [drm:drm_mode_addfb2] [FB:62]
Mar  8 09:43:12 ray-desktop kernel: [ 4327.443585] [drm:drm_mode_addfb2] [FB:63]
Mar  8 09:43:12 ray-desktop kernel: [ 4327.460723] [drm:drm_mode_addfb2] [FB:64]
Mar  8 09:43:12 ray-desktop kernel: [ 4327.553663] [drm:intel_crtc_cursor_set_obj] cursor off
Mar  8 09:43:12 ray-desktop kernel: [ 4327.553676] [drm:g4x_check_srwm] SR watermark: display plane 51, cursor 2
Mar  8 09:43:12 ray-desktop kernel: [ 4327.553679] [drm:g4x_check_srwm] SR watermark: display plane 100, cursor 2
Mar  8 09:43:12 ray-desktop kernel: [ 4327.553682] [drm:valleyview_update_wm] Setting FIFO watermarks - A: plane=150, cursor=2, B: plane=2, cursor=2, SR: plane=51, cursor=2
Mar  8 09:43:12 ray-desktop kernel: [ 4327.553687] [drm:intel_set_memory_cxsr] memory self-refresh is enabled
Mar  8 09:43:17 ray-desktop kernel: [ 4332.315950] [drm:drm_mode_addfb2] [FB:37]
Mar  8 09:43:21 ray-desktop kernel: [ 4336.605457] [drm:drm_mode_addfb2] [FB:45]
Mar  8 09:43:27 ray-desktop kernel: [ 4343.134308] [drm:drm_mode_addfb2] [FB:37]
Mar  8 09:43:28 ray-desktop kernel: [ 4343.217508] [drm:drm_mode_addfb2] [FB:46]
Mar  8 09:43:28 ray-desktop kernel: [ 4343.237526] [drm:drm_mode_addfb2] [FB:47]
Mar  8 09:43:28 ray-desktop kernel: [ 4343.404311] [drm:drm_mode_addfb2] [FB:48]
Mar  8 09:43:39 ray-desktop kernel: [ 4354.223073] [drm:drm_mode_addfb2] [FB:37]
Mar  8 09:43:46 ray-desktop kernel: [ 4361.683700] [drm:drm_mode_addfb2] [FB:46]
Mar  8 09:43:47 ray-desktop kernel: [ 4363.222697] [drm:drm_mode_addfb2] [FB:45]
Mar  8 09:43:52 ray-desktop kernel: [ 4367.492614] [drm:drm_mode_addfb2] [FB:47]
Mar  8 09:43:58 ray-desktop kernel: [ 4373.658374] [drm:drm_mode_addfb2] [FB:45]
Mar  8 09:44:00 ray-desktop kernel: [ 4375.443599] [drm:drm_mode_addfb2] [FB:46]
Mar  8 09:44:09 ray-desktop kernel: [ 4384.694340] [drm:drm_mode_addfb2] [FB:45]
Mar  8 09:44:09 ray-desktop kernel: [ 4384.710745] [drm:drm_mode_addfb2] [FB:47]
Mar  8 09:44:22 ray-desktop kernel: [ 4397.637399] [drm:drm_mode_addfb2] [FB:37]
Mar  8 09:44:25 ray-desktop kernel: [ 4400.741757] [drm:drm_mode_addfb2] [FB:45]
Mar  8 09:44:27 ray-desktop kernel: [ 4402.726987] [drm:drm_mode_addfb2] [FB:37]
Mar  8 09:44:27 ray-desktop kernel: [ 4402.744098] [drm:drm_mode_addfb2] [FB:45]
Mar  8 09:44:37 ray-desktop kernel: [ 4413.249817] [drm:drm_mode_addfb2] [FB:45]
Mar  8 09:44:47 ray-desktop kernel: [ 4422.968763] [drm:drm_mode_addfb2] [FB:37]
Mar  8 09:44:54 ray-desktop kernel: [ 4430.001168] [drm:g4x_check_srwm] SR watermark: display plane 51, cursor 6
Mar  8 09:44:54 ray-desktop kernel: [ 4430.001173] [drm:g4x_check_srwm] SR watermark: display plane 100, cursor 10
Mar  8 09:44:54 ray-desktop kernel: [ 4430.001177] [drm:valleyview_update_wm] Setting FIFO watermarks - A: plane=150, cursor=6, B: plane=2, cursor=2, SR: plane=51, cursor=10
Mar  8 09:44:54 ray-desktop kernel: [ 4430.001182] [drm:intel_set_memory_cxsr] memory self-refresh is enabled
Mar  8 09:44:54 ray-desktop kernel: [ 4430.042514] [drm:drm_mode_addfb2] [FB:48]
Mar  8 09:44:54 ray-desktop kernel: [ 4430.058329] [drm:drm_mode_addfb2] [FB:49]
Mar  8 09:44:54 ray-desktop kernel: [ 4430.075287] [drm:drm_mode_addfb2] [FB:50]
Mar  8 09:44:54 ray-desktop kernel: [ 4430.092659] [drm:drm_mode_addfb2] [FB:51]
Mar  8 09:44:54 ray-desktop kernel: [ 4430.109440] [drm:drm_mode_addfb2] [FB:52]
Mar  8 09:44:54 ray-desktop kernel: [ 4430.125369] [drm:drm_mode_addfb2] [FB:53]
Mar  8 09:44:54 ray-desktop kernel: [ 4430.142871] [drm:drm_mode_addfb2] [FB:54]
Mar  8 09:44:54 ray-desktop kernel: [ 4430.159298] [drm:drm_mode_addfb2] [FB:55]
Mar  8 09:44:54 ray-desktop kernel: [ 4430.169468] [drm:intel_crtc_cursor_set_obj] cursor off
Mar  8 09:44:54 ray-desktop kernel: [ 4430.169479] [drm:g4x_check_srwm] SR watermark: display plane 51, cursor 2
Mar  8 09:44:54 ray-desktop kernel: [ 4430.169483] [drm:g4x_check_srwm] SR watermark: display plane 100, cursor 2
Mar  8 09:44:54 ray-desktop kernel: [ 4430.169486] [drm:valleyview_update_wm] Setting FIFO watermarks - A: plane=150, cursor=2, B: plane=2, cursor=2, SR: plane=51, cursor=2
Mar  8 09:44:54 ray-desktop kernel: [ 4430.169490] [drm:intel_set_memory_cxsr] memory self-refresh is enabled
Mar  8 09:44:54 ray-desktop kernel: [ 4430.175327] [drm:drm_mode_addfb2] [FB:46]
Mar  8 09:44:54 ray-desktop kernel: [ 4430.192360] [drm:drm_mode_addfb2] [FB:56]
Mar  8 09:44:54 ray-desktop kernel: [ 4430.209190] [drm:drm_mode_addfb2] [FB:57]
Mar  8 09:44:54 ray-desktop kernel: [ 4430.226080] [drm:drm_mode_addfb2] [FB:58]
Mar  8 09:44:54 ray-desktop kernel: [ 4430.242318] [drm:drm_mode_addfb2] [FB:59]
Mar  8 09:44:54 ray-desktop kernel: [ 4430.258232] [drm:drm_mode_addfb2] [FB:60]
Mar  8 09:44:54 ray-desktop kernel: [ 4430.274703] [drm:drm_mode_addfb2] [FB:61]
Mar  8 09:44:54 ray-desktop kernel: [ 4430.291413] [drm:drm_mode_addfb2] [FB:62]
Mar  8 09:44:54 ray-desktop kernel: [ 4430.308201] [drm:drm_mode_addfb2] [FB:63]
Mar  8 09:44:54 ray-desktop kernel: [ 4430.327979] [drm:drm_mode_addfb2] [FB:64]
Mar  8 09:44:54 ray-desktop kernel: [ 4430.345819] [drm:drm_mode_addfb2] [FB:65]
Mar  8 09:44:54 ray-desktop kernel: [ 4430.369626] [drm:drm_mode_addfb2] [FB:66]
Mar  8 09:44:55 ray-desktop kernel: [ 4431.251777] [drm:g4x_check_srwm] SR watermark: display plane 51, cursor 6
Mar  8 09:44:55 ray-desktop kernel: [ 4431.251787] [drm:g4x_check_srwm] SR watermark: display plane 100, cursor 10
Mar  8 09:44:55 ray-desktop kernel: [ 4431.251794] [drm:valleyview_update_wm] Setting FIFO watermarks - A: plane=150, cursor=6, B: plane=2, cursor=2, SR: plane=51, cursor=10
Mar  8 09:44:55 ray-desktop kernel: [ 4431.251801] [drm:intel_set_memory_cxsr] memory self-refresh is enabled
Mar  8 09:44:57 ray-desktop kernel: [ 4432.768173] [drm:drm_mode_addfb2] [FB:37]
Mar  8 09:44:57 ray-desktop kernel: [ 4433.028731] [drm:drm_mode_addfb2] [FB:45]
Mar  8 09:44:57 ray-desktop kernel: [ 4433.045945] [drm:drm_mode_addfb2] [FB:46]
Mar  8 09:44:59 ray-desktop kernel: [ 4435.115462] [drm:drm_mode_addfb2] [FB:47]
Mar  8 09:44:59 ray-desktop kernel: [ 4435.132120] [drm:drm_mode_addfb2] [FB:48]
Mar  8 09:44:59 ray-desktop kernel: [ 4435.151558] [drm:drm_mode_addfb2] [FB:49]
Mar  8 09:44:59 ray-desktop kernel: [ 4435.165321] [drm:drm_mode_addfb2] [FB:50]
Mar  8 09:44:59 ray-desktop kernel: [ 4435.181317] [drm:drm_mode_addfb2] [FB:51]
Mar  8 09:44:59 ray-desktop kernel: [ 4435.198153] [drm:drm_mode_addfb2] [FB:52]
Mar  8 09:45:17 ray-desktop kernel: [ 4453.039454] [drm:i915_gem_open] 
Mar  8 09:45:18 ray-desktop kernel: [ 4453.612393] [drm:i915_gem_context_create_ioctl] HW context 1 created
Mar  8 09:45:18 ray-desktop kernel: [ 4453.616257] [drm:i915_gem_context_destroy_ioctl] HW context 1 destroyed
Mar  8 09:45:21 ray-desktop kernel: [ 4456.925566] [drm:intel_crtc_cursor_set_obj] cursor off
Mar  8 09:45:21 ray-desktop kernel: [ 4456.925578] [drm:g4x_check_srwm] SR watermark: display plane 51, cursor 2
Mar  8 09:45:21 ray-desktop kernel: [ 4456.925582] [drm:g4x_check_srwm] SR watermark: display plane 100, cursor 2
Mar  8 09:45:21 ray-desktop kernel: [ 4456.925585] [drm:valleyview_update_wm] Setting FIFO watermarks - A: plane=150, cursor=2, B: plane=2, cursor=2, SR: plane=51, cursor=2
Mar  8 09:45:21 ray-desktop kernel: [ 4456.925589] [drm:intel_set_memory_cxsr] memory self-refresh is enabled
Mar  8 09:45:21 ray-desktop kernel: [ 4457.133981] [drm:g4x_check_srwm] SR watermark: display plane 51, cursor 6
Mar  8 09:45:21 ray-desktop kernel: [ 4457.133988] [drm:g4x_check_srwm] SR watermark: display plane 100, cursor 10
Mar  8 09:45:21 ray-desktop kernel: [ 4457.133992] [drm:valleyview_update_wm] Setting FIFO watermarks - A: plane=150, cursor=6, B: plane=2, cursor=2, SR: plane=51, cursor=10
Mar  8 09:45:21 ray-desktop kernel: [ 4457.133997] [drm:intel_set_memory_cxsr] memory self-refresh is enabled
Mar  8 09:49:53 ray-desktop kernel: [ 4729.068579] [drm:i915_gem_open] 
Mar  8 09:49:53 ray-desktop kernel: [ 4729.165197] [drm:i915_gem_context_create_ioctl] HW context 1 created
Mar  8 09:49:53 ray-desktop kernel: [ 4729.172257] [drm:i915_gem_context_destroy_ioctl] HW context 1 destroyed
Mar  8 09:51:17 ray-desktop AptDaemon: INFO: Quitting due to inactivity
Mar  8 09:51:17 ray-desktop AptDaemon: INFO: Quitting was requested
Mar  8 09:53:07 ray-desktop kernel: [ 4924.026964] perf interrupt took too long (4388 > 2500), lowering kernel.perf_event_max_sample_rate to 50000
Mar  8 10:04:03 ray-desktop kernel: [ 5580.985453] [drm:intel_crtc_cursor_set_obj] cursor off
Mar  8 10:04:03 ray-desktop kernel: [ 5580.985469] [drm:g4x_check_srwm] SR watermark: display plane 51, cursor 2
Mar  8 10:04:03 ray-desktop kernel: [ 5580.985475] [drm:g4x_check_srwm] SR watermark: display plane 100, cursor 2
Mar  8 10:04:03 ray-desktop kernel: [ 5580.985481] [drm:valleyview_update_wm] Setting FIFO watermarks - A: plane=150, cursor=2, B: plane=2, cursor=2, SR: plane=51, cursor=2
Mar  8 10:04:03 ray-desktop kernel: [ 5580.985489] [drm:intel_set_memory_cxsr] memory self-refresh is enabled
Mar  8 10:09:02 ray-desktop CRON[4528]: (root) CMD (  [ -x /usr/lib/php5/maxlifetime ] && [ -x /usr/lib/php5/sessionclean ] && [ -d /var/lib/php5 ] && /usr/lib/php5/sessionclean /var/lib/php5 $(/usr/lib/php5/maxlifetime))
Mar  8 10:17:01 ray-desktop CRON[4544]: (root) CMD (   cd / && run-parts --report /etc/cron.hourly)
Mar  8 10:39:01 ray-desktop CRON[4564]: (root) CMD (  [ -x /usr/lib/php5/maxlifetime ] && [ -x /usr/lib/php5/sessionclean ] && [ -d /var/lib/php5 ] && /usr/lib/php5/sessionclean /var/lib/php5 $(/usr/lib/php5/maxlifetime))
Mar  8 10:51:27 ray-desktop kernel: [ 8431.177109] [drm:g4x_check_srwm] SR watermark: display plane 51, cursor 6
Mar  8 10:51:27 ray-desktop kernel: [ 8431.177118] [drm:g4x_check_srwm] SR watermark: display plane 100, cursor 10
Mar  8 10:51:27 ray-desktop kernel: [ 8431.177125] [drm:valleyview_update_wm] Setting FIFO watermarks - A: plane=150, cursor=6, B: plane=2, cursor=2, SR: plane=51, cursor=10
Mar  8 10:51:27 ray-desktop kernel: [ 8431.177133] [drm:intel_set_memory_cxsr] memory self-refresh is enabled
Mar  8 10:51:28 ray-desktop kernel: [ 8431.179894] [drm:intel_set_memory_cxsr] memory self-refresh is disabled
Mar  8 10:51:28 ray-desktop kernel: [ 8431.214810] [drm:intel_set_memory_cxsr] memory self-refresh is disabled
Mar  8 10:51:28 ray-desktop kernel: [ 8431.214822] [drm:valleyview_update_wm] Setting FIFO watermarks - A: plane=2, cursor=2, B: plane=2, cursor=2, SR: plane=0, cursor=0
Mar  8 10:51:28 ray-desktop kernel: [ 8431.214831] [drm:intel_display_power_put] disabling dpio-common
Mar  8 10:51:28 ray-desktop kernel: [ 8431.238785] [drm:intel_display_power_put] disabling display
Mar  8 10:51:28 ray-desktop kernel: [ 8431.255040] [drm:check_encoder_state] [ENCODER:29:DAC-29]
Mar  8 10:51:28 ray-desktop kernel: [ 8431.255050] [drm:check_encoder_state] [ENCODER:30:TMDS-30]
Mar  8 10:51:28 ray-desktop kernel: [ 8431.255055] [drm:check_encoder_state] [ENCODER:35:TMDS-35]
Mar  8 10:51:28 ray-desktop kernel: [ 8431.255060] [drm:check_crtc_state] [CRTC:20]
Mar  8 10:51:28 ray-desktop kernel: [ 8431.255066] [drm:check_crtc_state] [CRTC:25]
Mar  8 10:51:28 ray-desktop kernel: [ 8431.255108] [drm:drm_mode_setcrtc] [CRTC:20]
Mar  8 10:51:28 ray-desktop kernel: [ 8431.255114] [drm:intel_crtc_set_config] [CRTC:20] [NOFB]
Mar  8 10:51:28 ray-desktop kernel: [ 8431.255122] [drm:intel_set_config_compute_mode_changes] computed changes for [CRTC:20], mode_changed=1, fb_changed=0
Mar  8 10:51:28 ray-desktop kernel: [ 8431.255127] [drm:intel_modeset_stage_output_state] [CONNECTOR:28:VGA-1] to [NOCRTC]
Mar  8 10:51:28 ray-desktop kernel: [ 8431.255132] [drm:intel_modeset_stage_output_state] encoder changed, full mode switch
Mar  8 10:51:28 ray-desktop kernel: [ 8431.255136] [drm:intel_modeset_stage_output_state] crtc changed, full mode switch
Mar  8 10:51:28 ray-desktop kernel: [ 8431.255141] [drm:intel_modeset_stage_output_state] crtc disabled, full mode switch
Mar  8 10:51:28 ray-desktop kernel: [ 8431.255147] [drm:intel_modeset_affected_pipes] set mode pipe masks: modeset: 0, prepare: 0, disable: 1
Mar  8 10:51:28 ray-desktop kernel: [ 8431.255159] [drm:intel_display_power_get] enabling display
Mar  8 10:51:28 ray-desktop kernel: [ 8431.279019] [drm:i915_redisable_vga_power_on] Something enabled VGA plane, disabling it
Mar  8 10:51:28 ray-desktop kernel: [ 8431.311005] [drm:vlv_update_cdclk] Current CD clock rate: 200000 kHz
Mar  8 10:51:28 ray-desktop kernel: [ 8431.311016] [drm:intel_display_power_put] disabling display
Mar  8 10:51:28 ray-desktop kernel: [ 8431.334986] [drm:check_encoder_state] [ENCODER:29:DAC-29]
Mar  8 10:51:28 ray-desktop kernel: [ 8431.334995] [drm:check_encoder_state] [ENCODER:30:TMDS-30]
Mar  8 10:51:28 ray-desktop kernel: [ 8431.335001] [drm:check_encoder_state] [ENCODER:35:TMDS-35]
Mar  8 10:51:28 ray-desktop kernel: [ 8431.335006] [drm:check_crtc_state] [CRTC:20]
Mar  8 10:51:28 ray-desktop kernel: [ 8431.335011] [drm:check_crtc_state] [CRTC:25]
Mar  8 10:51:28 ray-desktop kernel: [ 8431.335052] [drm:intel_crtc_cursor_set_obj] cursor off
Mar  8 11:09:01 ray-desktop CRON[4605]: (root) CMD (  [ -x /usr/lib/php5/maxlifetime ] && [ -x /usr/lib/php5/sessionclean ] && [ -d /var/lib/php5 ] && /usr/lib/php5/sessionclean /var/lib/php5 $(/usr/lib/php5/maxlifetime))
Mar  8 11:17:01 ray-desktop CRON[4620]: (root) CMD (   cd / && run-parts --report /etc/cron.hourly)
Mar  8 11:33:31 ray-desktop kernel: [10959.173242] perf interrupt took too long (5003 > 5000), lowering kernel.perf_event_max_sample_rate to 25000
Mar  8 11:39:01 ray-desktop CRON[4631]: (root) CMD (  [ -x /usr/lib/php5/maxlifetime ] && [ -x /usr/lib/php5/sessionclean ] && [ -d /var/lib/php5 ] && /usr/lib/php5/sessionclean /var/lib/php5 $(/usr/lib/php5/maxlifetime))
Mar  8 12:09:01 ray-desktop CRON[4652]: (root) CMD (  [ -x /usr/lib/php5/maxlifetime ] && [ -x /usr/lib/php5/sessionclean ] && [ -d /var/lib/php5 ] && /usr/lib/php5/sessionclean /var/lib/php5 $(/usr/lib/php5/maxlifetime))
Mar  8 12:17:01 ray-desktop CRON[4666]: (root) CMD (   cd / && run-parts --report /etc/cron.hourly)
Mar  8 12:39:01 ray-desktop CRON[4680]: (root) CMD (  [ -x /usr/lib/php5/maxlifetime ] && [ -x /usr/lib/php5/sessionclean ] && [ -d /var/lib/php5 ] && /usr/lib/php5/sessionclean /var/lib/php5 $(/usr/lib/php5/maxlifetime))
Mar  8 12:50:36 ray-desktop rsyslogd: [Origin software="rsyslogd" swVersion="7.4.4" x-pid="660" x-info="http://www.rsyslog.com"] start
1
user695695

Intente solucionarlo con un poco de ayuda de aquí .

1
Vishnu N K

Alt+Ctrl+F1 te llevaría a una interfaz de línea de comando funcional completa, puedes iniciar sesión, hacer lo que quieras. Y es mucho más estable que la parte gráfica de Ubuntu. Alt+Ctrl+F7 te lleva de vuelta a la interfaz gráfica.

Aunque la GUI se congela, aún puede usar la interfaz de línea de comandos. Esto le permite diagnosticar mejor su sistema. Puedes matar proceso problemático. Reiniciar Xserver puede resolver el problema temporalmente. En el peor de los casos, podría con seguridad apagado su computadora.

0
Tianren Liu