I just came back to my desk after a few hours and my laptop would not wake up. The caps lock indicator was blinking. I assumed this was a kernel panic.
But why? <code>cal@flexo:~$ cat /var/log/syslog Jan 20 01:35:41 flexo rsyslogd: [origin software="rsyslogd" swVersion="8.16.0" x-pid="918" x-info="http://www.rsyslog.com";] rsyslogd was HUPed Jan 20 01:35:43 flexo anacron[905]: Job `cron.daily' terminated Jan 20 01:35:43 flexo anacron[905]: Normal exit (1 job run) Jan 20 01:36:27 flexo org.freedesktop.Notifications[1677]: Gtk-Message: Failed to load module "topmenu-gtk-module" Jan 20 01:37:29 flexo org.mate.panel.applet.MateMenuAppletFactory[1677]: Gtk-Message: Failed to load module "topmenu-gtk-module" Jan 20 01:37:29 flexo kernel: [ 439.971301] [drm:drm_edid_block_valid [drm]] *ERROR* EDID checksum is invalid, remainder is 73 Jan 20 01:37:29 flexo kernel: [ 439.971305] Raw EDID: Jan 20 01:37:29 flexo kernel: [ 439.971308] 00 ff ff ff ff ff ff 00 19 c9 00 00 00 00 00 00 Jan 20 01:37:29 flexo kernel: [ 439.971310] 00 14 01 03 08 00 00 78 0a 53 0d a0 54 46 94 27 Jan 20 01:37:29 flexo kernel: [ 439.971311] 11 46 47 21 08 00 01 01 01 01 01 01 01 01 01 01 Jan 20 01:37:29 flexo kernel: [ 439.971313] 01 01 01 01 01 01 66 21 50 b0 51 00 1b 30 40 70 Jan 20 01:37:29 flexo kernel: [ 439.971315] 36 00 10 09 00 00 00 1e a9 1a 00 a0 50 00 16 30 Jan 20 01:37:29 flexo kernel: [ 439.971316] 30 20 37 00 05 03 00 ff ff ff ff ff ff ff ff ff Jan 20 01:37:29 flexo kernel: [ 439.971318] ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff Jan 20 01:37:29 flexo kernel: [ 439.971319] ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff Jan 20 01:37:30 flexo org.mate.panel.applet.MateMenuAppletFactory[1677]: (evolution:2769): e- data-server-WARNING **: e_module_load_all_in_directory: Falló al abrir el directorio «/usr/lib/evolution-data-server/credential-modules»: No existe el archivo o el directorio Jan 20 01:37:30 flexo org.mate.panel.applet.MateMenuAppletFactory[1677]: (evolution:2769): camel-WARNING **: Failed to initialize NSS SQL database in sql:/etc/pki/nssdb: NSS error -8126 Jan 20 01:37:32 flexo org.mate.panel.applet.MateMenuAppletFactory[1677]: Gtk-Message: Failed to load module "topmenu-gtk-module" Jan 20 01:37:33 flexo kernel: [ 443.495472] perf interrupt took too long (2511 > 2500), lowering kernel.perf_event_max_sample_rate to 50000 Jan 20 01:45:37 flexo systemd[1]: Starting Cleanup of Temporary Directories... Jan 20 01:45:37 flexo systemd-tmpfiles[3007]: [/usr/lib/tmpfiles.d/var.conf:14] Duplicate line for path "/var/log", ignoring. Jan 20 01:45:37 flexo systemd[1]: Started Cleanup of Temporary Directories. Jan 20 01:46:39 flexo kernel: [ 989.652860] perf interrupt took too long (5013 > 5000), lowering kernel.perf_event_max_sample_rate to 25000 cal@flexo:~$ </code> Also, I noticed something strange in /var/log/syslog.1: <code>Jan 20 01:31:56 flexo ureadahead[342]: ureadahead:909/cmdline: Ruta relativa ignorada Jan 20 01:31:56 flexo ureadahead[342]: ureadahead:914/stat: Ruta relativa ignorada Jan 20 01:31:56 flexo ureadahead[342]: ureadahead:914/cmdline: Ruta relativa ignorada Jan 20 01:31:56 flexo ureadahead[342]: ureadahead:918/stat: Ruta relativa ignorada Jan 20 01:31:56 flexo ureadahead[342]: ureadahead:918/cmdline: Ruta relativa ignorada Jan 20 01:31:56 flexo ureadahead[342]: ureadahead:926/stat: Ruta relativa ignorada Jan 20 01:31:56 flexo ureadahead[342]: ureadahead:926/cmdline: Ruta relativa ignorada Jan 20 01:31:56 flexo ureadahead[342]: ureadahead:937/stat: Ruta relativa ignorada Jan 20 01:31:56 flexo ureadahead[342]: ureadahead:937/cmdline: Ruta relativa ignorada Jan 20 01:31:56 flexo ureadahead[342]: ureadahead:980/stat: Ruta relativa ignorada Jan 20 01:31:56 flexo ureadahead[342]: ureadahead:980/cmdline: Ruta relativa ignorada Jan 20 01:31:56 flexo ureadahead[342]: ureadahead:985/stat: Ruta relativa ignorada Jan 20 01:31:56 flexo ureadahead[342]: ureadahead:985/cmdline: Ruta relativa ignorada Jan 20 01:31:56 flexo ureadahead[342]: ureadahead:997/stat: Ruta relativa ignorada Jan 20 01:31:56 flexo ureadahead[342]: ureadahead:997/cmdline: Ruta relativa ignorada Jan 20 01:31:56 flexo ureadahead[342]: ureadahead:1001/stat: Ruta relativa ignorada Jan 20 01:31:56 flexo ureadahead[342]: ureadahead:1001/cmdline: Ruta relativa ignorada Jan 20 01:31:56 flexo ureadahead[342]: ureadahead:1013/stat: Ruta relativa ignorada Jan 20 01:31:56 flexo ureadahead[342]: ureadahead:1013/cmdline: Ruta relativa ignorada Jan 20 01:31:56 flexo ureadahead[342]: ureadahead:1101/stat: Ruta relativa ignorada</code> What could be the cause of this?
