Ubuntu 16.04. La red (tanto por cable como por wifi) deja de funcionar después de un cierto período de tiempo.
Este es mi /var/log/syslogdespués de la última aparición del problema.
davide@brenna:~$ cat /var/log/syslog
Apr 29 09:30:23 brenna colord[1150]: (colord:1150): Cd-WARNING **: failed to get session [pid 4355]: Device o indirizzo non esistente
Apr 29 09:30:40 brenna anacron[896]: Job `cron.daily' terminated
Apr 29 09:30:40 brenna anacron[896]: Normal exit (1 job run)
Apr 29 09:32:28 brenna com.ubuntu.OneConf[1671]: WARNING:oneconf.hosts:Error in loading other_hosts file: [Errno 2] No such file or directory: '/home/davide/.cache/oneconf/3bdacd8fb8c349449cd523c9f50dfcb9/other_hosts'
Apr 29 09:36:46 brenna AptDaemon: INFO: Quitting due to inactivity
Apr 29 09:36:46 brenna AptDaemon: INFO: Quitting was requested
Apr 29 09:36:46 brenna org.debian.apt[943]: 09:36:46 AptDaemon [INFO]: Quitting due to inactivity
Apr 29 09:36:46 brenna org.debian.apt[943]: 09:36:46 AptDaemon [INFO]: Quitting was requested
Apr 29 09:40:15 brenna upowerd[1831]: (upowerd:1831): UPower-Linux-WARNING **: energy 44,400000 bigger than full 31,912500
Apr 29 09:40:23 brenna avahi-daemon[940]: Withdrawing address record for 192.168.0.216 on eth0.
Apr 29 09:40:23 brenna avahi-daemon[940]: Leaving mDNS multicast group on interface eth0.IPv4 with address 192.168.0.216.
Apr 29 09:40:23 brenna gnome-session[1803]: [2045:2151:0429/094023:ERROR:cloud_print_proxy_backend.cc(538)] Notifications for connector 9EEEB091-559D-9344-6BAC-C8DDB4835FE9 disabled.
Apr 29 09:40:23 brenna gnome-session[1803]: [2045:2151:0429/094023:ERROR:cloud_print_proxy_backend.cc(538)] Notifications for connector 9EEEB091-559D-9344-6BAC-C8DDB4835FE9 disabled.
Apr 29 09:40:23 brenna avahi-daemon[940]: Interface eth0.IPv4 no longer relevant for mDNS.
Apr 29 09:40:23 brenna systemd[1]: Starting Cleanup of Temporary Directories...
Apr 29 09:40:23 brenna systemd-tmpfiles[7098]: [/usr/lib/tmpfiles.d/var.conf:14] Duplicate line for path "/var/log", ignoring.
Apr 29 09:40:23 brenna systemd[1]: Started Cleanup of Temporary Directories.
Apr 29 09:40:23 brenna whoopsie[920]: [09:40:23] Cannot reach: https://daisy.ubuntu.com
Apr 29 09:40:23 brenna whoopsie[920]: [09:40:23] offline
Apr 29 09:40:24 brenna whoopsie[920]: [09:40:24] Cannot reach: https://daisy.ubuntu.com
Apr 29 09:41:23 brenna whoopsie[920]: [09:41:23] Cannot reach: https://daisy.ubuntu.com
Quitar el enchufe y volver a insertarlo (o apagar la tarjeta wi-fi y volver a habilitarla) resuelve el problema hasta el próximo reinicio (es decir, la red funciona indefinidamente después de eso hasta el reinicio).
Esto es muy molesto, especialmente porque no hay salida visual cuando esto sucede. Simplemente deja de funcionar y cuando intentas enviar una solicitud en línea (tal vez escribir una publicación en un foro o intentar llegar a una nueva página) simplemente ya no funciona.
¿Alguna pista?
Hoy pude actualizar antes de que ocurriera el problema, por lo que syslognosotros
davide@brenna:~$ cat /var/log/syslog
Apr 30 09:19:18 brenna colord[1137]: (colord:1137): Cd-WARNING **: failed to get session [pid 4254]: Device o indirizzo non esistente
Apr 30 09:19:31 brenna anacron[962]: Job `cron.daily' terminated
Apr 30 09:19:31 brenna anacron[962]: Normal exit (1 job run)
Apr 30 09:26:23 brenna AptDaemon: INFO: Quitting due to inactivity
Apr 30 09:26:23 brenna AptDaemon: INFO: Quitting was requested
Apr 30 09:26:23 brenna org.debian.apt[891]: 09:26:23 AptDaemon [INFO]: Quitting due to inactivity
Apr 30 09:26:23 brenna org.debian.apt[891]: 09:26:23 AptDaemon [INFO]: Quitting was requested
Apr 30 09:29:18 brenna avahi-daemon[979]: Withdrawing address record for 192.168.0.216 on eth0.
Apr 30 09:29:18 brenna avahi-daemon[979]: Leaving mDNS multicast group on interface eth0.IPv4 with address 192.168.0.216.
Apr 30 09:29:18 brenna avahi-daemon[979]: Interface eth0.IPv4 no longer relevant for mDNS.
Apr 30 09:29:18 brenna systemd[1]: Starting Cleanup of Temporary Directories...
Apr 30 09:29:18 brenna systemd-tmpfiles[4409]: [/usr/lib/tmpfiles.d/var.conf:14] Duplicate line for path "/var/log", ignoring.
Apr 30 09:29:18 brenna gnome-session[2299]: [2547:2656:0430/092918:ERROR:cloud_print_proxy_backend.cc(538)] Notifications for connector 9EEEB091-559D-9344-6BAC-C8DDB4835FE9 disabled.
Apr 30 09:29:18 brenna gnome-session[2299]: [2547:2656:0430/092918:ERROR:cloud_print_proxy_backend.cc(538)] Notifications for connector 9EEEB091-559D-9344-6BAC-C8DDB4835FE9 disabled.
Apr 30 09:29:18 brenna systemd[1]: Started Cleanup of Temporary Directories.
Apr 30 09:29:18 brenna whoopsie[982]: [09:29:18] Cannot reach: https://daisy.ubuntu.com
Apr 30 09:29:18 brenna whoopsie[982]: [09:29:18] offline
Apr 30 09:29:19 brenna whoopsie[982]: [09:29:19] Cannot reach: https://daisy.ubuntu.com
Apr 30 09:32:46 brenna whoopsie[982]: [09:32:46] Cannot reach: https://daisy.ubuntu.com
Apr 30 09:33:02 brenna whoopsie[982]: [09:33:02] Cannot reach: https://daisy.ubuntu.com
Apr 30 09:33:18 brenna whoopsie[982]: [09:33:18] Cannot reach: https://daisy.ubuntu.com
Apr 30 09:38:24 brenna whoopsie[982]: [09:38:24] Cannot reach: https://daisy.ubuntu.com
Apr 30 09:39:00 brenna dbus[891]: [system] Activating service name='org.debian.apt' (using servicehelper)
Apr 30 09:39:01 brenna AptDaemon: INFO: Initializing daemon
Apr 30 09:39:01 brenna org.debian.apt[891]: 09:39:01 AptDaemon [INFO]: Initializing daemon
Apr 30 09:39:01 brenna dbus[891]: [system] Successfully activated service 'org.debian.apt'
Apr 30 09:39:01 brenna AptDaemon.PackageKit: INFO: Initializing PackageKit compat layer
Apr 30 09:39:01 brenna org.debian.apt[891]: /usr/lib/python3/dist-packages/aptdaemon/worker/pkworker.py:35: PyGIWarning: PackageKitGlib was imported without specifying a version first. Use gi.require_version('PackageKitGlib', '1.0') before import to ensure that the right version gets loaded.
Apr 30 09:39:01 brenna org.debian.apt[891]: from gi.repository import PackageKitGlib as pk
Apr 30 09:39:01 brenna org.debian.apt[891]: 09:39:01 AptDaemon.PackageKit [INFO]: Initializing PackageKit compat layer
Apr 30 09:39:01 brenna AptDaemon: INFO: CommitPackages() was called: dbus.Array([dbus.String('')], signature=dbus.Signature('s')), dbus.Array([dbus.String('')], signature=dbus.Signature('s')), dbus.Array([dbus.String('')], signature=dbus.Signature('s')), dbus.Array([dbus.String('')], signature=dbus.Signature('s')), dbus.Array([dbus.String('ubuntu-core-launcher')], signature=dbus.Signature('s')), dbus.Array([dbus.String('')], signature=dbus.Signature('s'))
Apr 30 09:39:01 brenna org.debian.apt[891]: 09:39:01 AptDaemon [INFO]: CommitPackages() was called: dbus.Array([dbus.String('')], signature=dbus.Signature('s')), dbus.Array([dbus.String('')], signature=dbus.Signature('s')), dbus.Array([dbus.String('')], signature=dbus.Signature('s')), dbus.Array([dbus.String('')], signature=dbus.Signature('s')), dbus.Array([dbus.String('ubuntu-core-launcher')], signature=dbus.Signature('s')), dbus.Array([dbus.String('')], signature=dbus.Signature('s'))
Apr 30 09:39:01 brenna AptDaemon.Trans: INFO: Queuing transaction /org/debian/apt/transaction/c920bbc5aef04a96b9cfe22ca0070cab
Apr 30 09:39:01 brenna org.debian.apt[891]: 09:39:01 AptDaemon.Trans [INFO]: Queuing transaction /org/debian/apt/transaction/c920bbc5aef04a96b9cfe22ca0070cab
Apr 30 09:39:01 brenna AptDaemon.Worker: INFO: Simulating trans: /org/debian/apt/transaction/c920bbc5aef04a96b9cfe22ca0070cab
Apr 30 09:39:01 brenna org.debian.apt[891]: 09:39:01 AptDaemon.Worker [INFO]: Simulating trans: /org/debian/apt/transaction/c920bbc5aef04a96b9cfe22ca0070cab
Apr 30 09:39:01 brenna AptDaemon.Worker: INFO: Committing packages: dbus.Array([], signature=dbus.Signature('s')), dbus.Array([], signature=dbus.Signature('s')), dbus.Array([], signature=dbus.Signature('s')), dbus.Array([], signature=dbus.Signature('s')), dbus.Array([dbus.String('ubuntu-core-launcher')], signature=dbus.Signature('s')), dbus.Array([], signature=dbus.Signature('s'))
Apr 30 09:39:01 brenna org.debian.apt[891]: 09:39:01 AptDaemon.Worker [INFO]: Committing packages: dbus.Array([], signature=dbus.Signature('s')), dbus.Array([], signature=dbus.Signature('s')), dbus.Array([], signature=dbus.Signature('s')), dbus.Array([], signature=dbus.Signature('s')), dbus.Array([dbus.String('ubuntu-core-launcher')], signature=dbus.Signature('s')), dbus.Array([], signature=dbus.Signature('s'))
Apr 30 09:39:02 brenna AptDaemon.Worker: INFO: Processing transaction /org/debian/apt/transaction/c920bbc5aef04a96b9cfe22ca0070cab
Apr 30 09:39:02 brenna org.debian.apt[891]: 09:39:02 AptDaemon.Worker [INFO]: Processing transaction /org/debian/apt/transaction/c920bbc5aef04a96b9cfe22ca0070cab
Apr 30 09:39:02 brenna gnome-session[2299]: debconf: DbDriver "passwords" warning: could not open /var/cache/debconf/passwords.dat: Permission denied
Apr 30 09:39:04 brenna kernel: [ 1491.033247] audit_printk_skb: 52 callbacks suppressed
Apr 30 09:39:04 brenna kernel: [ 1491.033251] audit: type=1400 audit(1462001944.072:28): apparmor="STATUS" operation="profile_replace" profile="unconfined" name="/usr/bin/ubuntu-core-launcher" pid=4526 comm="apparmor_parser"
Apr 30 09:39:03 brenna gnome-session[2299]: message repeated 2 times: [ debconf: DbDriver "passwords" warning: could not open /var/cache/debconf/passwords.dat: Permission denied]
Apr 30 09:39:05 brenna AptDaemon.Worker: INFO: Finished transaction /org/debian/apt/transaction/c920bbc5aef04a96b9cfe22ca0070cab
Apr 30 09:39:05 brenna org.debian.apt[891]: /usr/lib/python3/dist-packages/aptdaemon/progress.py:491: Warning: Source ID 41 was not found when attempting to remove it
Apr 30 09:39:05 brenna org.debian.apt[891]: GLib.source_remove(id)
Apr 30 09:39:05 brenna org.debian.apt[891]: /usr/lib/python3/dist-packages/aptdaemon/progress.py:491: Warning: Source ID 42 was not found when attempting to remove it
Apr 30 09:39:05 brenna org.debian.apt[891]: GLib.source_remove(id)
Apr 30 09:39:05 brenna org.debian.apt[891]: 09:39:05 AptDaemon.Worker [INFO]: Finished transaction /org/debian/apt/transaction/c920bbc5aef04a96b9cfe22ca0070cab
Apr 30 09:39:06 brenna gnome-session[2299]: (unity-control-center:4593): unity-control-center-WARNING **: Could not load /usr/share/themes/Adwaita/index.theme: File o directory non esistente
Apr 30 09:39:21 brenna gnome-session[2299]: /usr/bin/update-manager:28: PyGIWarning: Gtk was imported without specifying a version first. Use gi.require_version('Gtk', '3.0') before import to ensure that the right version gets loaded.
Apr 30 09:39:21 brenna gnome-session[2299]: from gi.repository import Gtk
Apr 30 09:39:21 brenna gnome-session[2299]: /usr/lib/python3/dist-packages/UpdateManager/UnitySupport.py:29: PyGIWarning: Dbusmenu was imported without specifying a version first. Use gi.require_version('Dbusmenu', '0.4') before import to ensure that the right version gets loaded.
Apr 30 09:39:21 brenna gnome-session[2299]: from gi.repository import Dbusmenu, Unity
Apr 30 09:39:21 brenna gnome-session[2299]: /usr/lib/python3/dist-packages/UpdateManager/UnitySupport.py:29: PyGIWarning: Unity was imported without specifying a version first. Use gi.require_version('Unity', '7.0') before import to ensure that the right version gets loaded.
Apr 30 09:39:21 brenna gnome-session[2299]: from gi.repository import Dbusmenu, Unity
Apr 30 09:39:23 brenna com.ubuntu.OneConf[2070]: WARNING:oneconf.hosts:Error in loading other_hosts file: [Errno 2] No such file or directory: '/home/davide/.cache/oneconf/3bdacd8fb8c349449cd523c9f50dfcb9/other_hosts'
Según la petición
davide@brenna:~$ lspci -nn | grep Network
07:00.0 Network controller [0280]: Intel Corporation Centrino Wireless-N 2230 [8086:0887] (rev c4)
davide@brenna:~$ lspci -nn | grep Eth
09:00.0 Ethernet controller [0200]: Qualcomm Atheros AR8161 Gigabit Ethernet [1969:1091] (rev 10)
Encontré esto a través del diario systemd.
mag 05 12:18:32 brenna avahi-daemon[939]: Withdrawing address record for 192.168.0.216 on eth0.
mag 05 12:18:32 brenna gnome-session[1789]: [2013:2119:0505/121832:ERROR:cloud_print_proxy_backend.cc(538)] Notifications for connector 9EEEB091-559D-9344-6BAC-C8DDB4835
mag 05 12:18:32 brenna gnome-session[1789]: [2013:2119:0505/121832:ERROR:cloud_print_proxy_backend.cc(538)] Notifications for connector 9EEEB091-559D-9344-6BAC-C8DDB4835
mag 05 12:18:32 brenna avahi-daemon[939]: Leaving mDNS multicast group on interface eth0.IPv4 with address 192.168.0.216.
mag 05 12:18:32 brenna systemd[1]: Starting Cleanup of Temporary Directories...
mag 05 12:18:32 brenna whoopsie[931]: [12:18:32] Cannot reach: https://daisy.ubuntu.com
mag 05 12:18:32 brenna whoopsie[931]: [12:18:32] offline
mag 05 12:18:32 brenna avahi-daemon[939]: Interface eth0.IPv4 no longer relevant for mDNS.
mag 05 12:18:32 brenna systemd-tmpfiles[4930]: [/usr/lib/tmpfiles.d/var.conf:14] Duplicate line for path "/var/log", ignoring.
mag 05 12:18:33 brenna systemd[1]: Started Cleanup of Temporary Directories.
mag 05 12:18:33 brenna whoopsie[931]: [12:18:33] Cannot reach: https://daisy.ubuntu.com
yesta preguntaacerca de avahi-daemon. Invirtiendo en esta dirección---
Respuesta1
El problema se resolvió con las actualizaciones normales, por lo que no está claro dónde estaba exactamente el problema.
Respuesta2
Consulta el contenido de /etc/network/interfaces. Aunque podría estar equivocado, me parece que estás administrando tus redes desde la GUI. Anteriormente tuve problemas con conflictos entre mi /etc/network/interfacesarchivo y la configuración de la GUI de Ubuntu.
Si /etc/network/interfacestiene redes configuradas, intente eliminarlas y usar solo la configuración GUI. Si esto no funciona y ese archivo solo tiene las siguientes líneas, intente los pasos a continuación.
auto lo
iface lo inet loopback
Si su /etc/network/interfacesarchivo tiene solo esas líneas, mi primer intento sería eliminar todo lo que hay en la red de la GUI de Ubuntu y ponerlo en /etc/network/interfaces:
auto eth0
iface eth0 inet dhcp
O para configurar una IP estática (para los casos en los que no tienes un router dhcp):
auto eth0
iface eth0 inet static
address 192.168.1.14
gateway 192.168.1.1
netmask 255.255.255.0
network 192.168.1.0
broadcast 192.168.1.255
Y reemplácelo eth0con eth1o wlan0 etc. por una tarjeta Ethernet secundaria o inalámbrica.
Luego ejecútelo sudo /etc/init.d/networking restartpara probarlo y luego reinicie para ver si funcionó.
PD: No doy garantías de que esto funcione. Es difícil saber, a partir de la cantidad limitada de información que puedes publicar, dónde radica el problema. Esto es sólo lo primero que intentaría.