Problema con Conexión de Internet

Imagen de aangetaa
0 puntos

Hola,

Instalé hace tiempo ubuntu en mi compu hp pavilion g6 y desde el principio he tenido muchos problemas con la conexión de internet, que es muy lenta e inestable. Probé ya varias cosas sugeridas en la web, pero sin resultados.

Más datos de la compu: Ubuntu 13.10, Kernel 3.11.0-25, placa de video Ralink 539b

Cuando ejecuto el comando
cat /var/log/syslog | grep -e etwork -e wlan0 | tail -n20
obtengo una serie de mensajes donde pienso que puede estar el problema, pero no entiendo mucho qué significan, ni cómo resolverlo.
Aquí les pego lo que me aparece:

Notebook-PC:~$ cat /var/log/syslog | grep -e etwork -e wlan0 | tail -n20
Feb 5 16:34:02 angi-HP-Pavilion-g6-Notebook-PC NetworkManager[804]: Activation (wlan0) Stage 5 of 5 (IPv4 Commit) complete.
Feb 5 16:34:02 angi-HP-Pavilion-g6-Notebook-PC NetworkManager[804]: (wlan0): device state change: secondaries -> activated (reason 'none') [90 100 0]
Feb 5 16:34:03 angi-HP-Pavilion-g6-Notebook-PC NetworkManager[804]: Policy set 'FRITZ!Box 7312' (wlan0) as default for IPv4 routing and DNS.
Feb 5 16:34:03 angi-HP-Pavilion-g6-Notebook-PC NetworkManager[804]: DNS: starting dnsmasq...
Feb 5 16:34:03 angi-HP-Pavilion-g6-Notebook-PC NetworkManager[804]: dnsmasq not available on the bus, can't update servers.
Feb 5 16:34:03 angi-HP-Pavilion-g6-Notebook-PC NetworkManager[804]: [1391614443.58904] [nm-dns-dnsmasq.c:402] update(): dnsmasq owner not found on bus: Could not get owner of name 'org.freedesktop.NetworkManager.dnsmasq': no such name
Feb 5 16:34:03 angi-HP-Pavilion-g6-Notebook-PC NetworkManager[804]: DNS: plugin dnsmasq update failed
Feb 5 16:34:03 angi-HP-Pavilion-g6-Notebook-PC NetworkManager[804]: Writing DNS information to /sbin/resolvconf
Feb 5 16:34:03 angi-HP-Pavilion-g6-Notebook-PC NetworkManager[804]: Activation (wlan0) successful, device activated.
Feb 5 16:34:03 angi-HP-Pavilion-g6-Notebook-PC NetworkManager[804]: dnsmasq appeared on DBus: :1.23
Feb 5 16:34:03 angi-HP-Pavilion-g6-Notebook-PC NetworkManager[804]: Writing DNS information to /sbin/resolvconf
Feb 5 16:34:03 angi-HP-Pavilion-g6-Notebook-PC avahi-daemon[780]: Joining mDNS multicast group on interface wlan0.IPv6 with address fe80::f6b7:e2ff:fec5:ec57.
Feb 5 16:34:03 angi-HP-Pavilion-g6-Notebook-PC avahi-daemon[780]: New relevant interface wlan0.IPv6 for mDNS.
Feb 5 16:34:03 angi-HP-Pavilion-g6-Notebook-PC avahi-daemon[780]: Registering new address record for fe80::f6b7:e2ff:fec5:ec57 on wlan0.*.
Feb 5 16:34:08 angi-HP-Pavilion-g6-Notebook-PC NetworkManager[804]: SCPlugin-Ifupdown: devices added (path: /sys/devices/virtual/net/cscotun0, iface: cscotun0)
Feb 5 16:34:08 angi-HP-Pavilion-g6-Notebook-PC NetworkManager[804]: SCPlugin-Ifupdown: device added (path: /sys/devices/virtual/net/cscotun0, iface: cscotun0): no ifupdown configuration found.
Feb 5 16:34:08 angi-HP-Pavilion-g6-Notebook-PC NetworkManager[804]: /sys/devices/virtual/net/cscotun0: couldn't determine device driver; ignoring...
Feb 5 16:34:08 angi-HP-Pavilion-g6-Notebook-PC NetworkManager[804]: SCPlugin-Ifupdown: devices removed (path: /sys/devices/virtual/net/cscotun0, iface: cscotun0)
Feb 5 16:35:09 angi-HP-Pavilion-g6-Notebook-PC NetworkManager[804]: nl_recvmsgs() error: (-33) Dump inconsistency detected, interrupted
Feb 5 16:35:58 angi-HP-Pavilion-g6-Notebook-PC wpa_supplicant[831]: wlan0: WPA: Group rekeying completed with 9c:c7:a6:a5:ec:00 [GTK=TKIP]

Les agradecería mucho la ayuda!!

Imagen de Luis Leone
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Que tipo de conexión estas intentando establecer ,wi-fi o ethernet,saludos.

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