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Thread: Wireless Internet connection stops after downloading

  1. April 2nd, 2013 #1
    crazy_23_1999_04290
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    Wireless Internet connection stops after downloading

    running ubuntu 12.10 usb wireless card is N300. Internet works fine when just surffing the web but once i start to download anything ie bitorrents and even updates the N300 stops working. I still have a connection on the top right hand side but no internet activity at all. First i thought maybe the card was junk so i went out to got a N600 still the samething. Then i tried with a windows laptop the connection was great even downloaded a movie 1gb in 12 minutes with no problem. Any ideas????
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  2. April 2nd, 2013 #2
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    chili555
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    Re: Wireless Internet connection stops after downloading

    I wonder if there are any clues in the logs. Try to download a big file and trigger the behavior and then run and post:
    Code:
    cat /var/log/syslog | grep -e ndis -e wlan | tail -n20
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  3. April 3rd, 2013 #3
    crazy_23_1999_04290
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    Re: Wireless Internet connection stops after downloading

    danny@danny-CM1745:~$ cat /var/log/syslog | grep -e ndis -e wlan | tail -n20
    Apr 2 13:07:58 danny-CM1745 dhclient: DHCPREQUEST of 192.168.1.5 on wlan0 to 192.168.1.1 port 67
    Apr 2 13:07:58 danny-CM1745 NetworkManager[736]: <info> (wlan0): DHCPv4 state changed renew -> renew
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  4. April 3rd, 2013 #4
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    chili555
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    Re: Wireless Internet connection stops after downloading

    Nothing of interest here. syslog periodically archives itself and starts a new file. Let's try again and check both the current and archived syslog. Try to download a big file and trigger the behavior and then run and post:
    Code:
    cat /var/log/syslog | grep -e ndis -e wlan | tail -n20
cat /var/log/syslog.1 | grep -e ndis -e wlan | tail -n20
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  5. April 3rd, 2013 #5
    crazy_23_1999_04290
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    Re: Wireless Internet connection stops after downloading

    danny@danny-CM1745:~$ cat /var/log/syslog | grep -e ndis -e wlan | tail -n20
    Apr 3 15:45:53 danny-CM1745 NetworkManager[736]: <info> Activation (wlan0) Beginning DHCPv4 transaction (timeout in 45 seconds)
    Apr 3 15:45:53 danny-CM1745 NetworkManager[736]: <info> Activation (wlan0) Beginning IP6 addrconf.
    Apr 3 15:45:53 danny-CM1745 NetworkManager[736]: <info> Activation (wlan0) Stage 3 of 5 (IP Configure Start) complete.
    Apr 3 15:45:53 danny-CM1745 NetworkManager[736]: <info> (wlan0): DHCPv4 state changed nbi -> preinit
    Apr 3 15:45:53 danny-CM1745 dhclient: Listening on LPF/wlan0/10:0d:7f:37:c2:07
    Apr 3 15:45:53 danny-CM1745 dhclient: Sending on LPF/wlan0/10:0d:7f:37:c2:07
    Apr 3 15:45:53 danny-CM1745 dhclient: DHCPREQUEST of 192.168.1.5 on wlan0 to 255.255.255.255 port 67
    Apr 3 15:45:56 danny-CM1745 dhclient: DHCPREQUEST of 192.168.1.5 on wlan0 to 255.255.255.255 port 67
    Apr 3 15:45:56 danny-CM1745 NetworkManager[736]: <info> (wlan0): DHCPv4 state changed preinit -> reboot
    Apr 3 15:45:56 danny-CM1745 NetworkManager[736]: <info> Activation (wlan0) Stage 5 of 5 (IPv4 Configure Commit) scheduled...
    Apr 3 15:45:56 danny-CM1745 NetworkManager[736]: <info> Activation (wlan0) Stage 5 of 5 (IPv4 Commit) started...
    Apr 3 15:45:57 danny-CM1745 NetworkManager[736]: <warn> (wlan0): failed to change interface MTU
    Apr 3 15:45:57 danny-CM1745 NetworkManager[736]: <info> (wlan0): device state change: ip-config -> activated (reason 'none') [70 100 0]
    Apr 3 15:45:57 danny-CM1745 NetworkManager[736]: <info> Policy set 'NETGEAR13' (wlan0) as default for IPv4 routing and DNS.
    Apr 3 15:45:57 danny-CM1745 NetworkManager[736]: <info> Activation (wlan0) successful, device activated.
    Apr 3 15:45:57 danny-CM1745 NetworkManager[736]: <info> Activation (wlan0) Stage 5 of 5 (IPv4 Commit) complete.
    Apr 3 15:46:14 danny-CM1745 NetworkManager[736]: <info> (wlan0): IP6 addrconf timed out or failed.
    Apr 3 15:46:14 danny-CM1745 NetworkManager[736]: <info> Activation (wlan0) Stage 4 of 5 (IPv6 Configure Timeout) scheduled...
    Apr 3 15:46:14 danny-CM1745 NetworkManager[736]: <info> Activation (wlan0) Stage 4 of 5 (IPv6 Configure Timeout) started...
    Apr 3 15:46:14 danny-CM1745 NetworkManager[736]: <info> Activation (wlan0) Stage 4 of 5 (IPv6 Configure Timeout) complete.
    danny@danny-CM1745:~$ cat /var/log/syslog.1 | grep -e ndis -e wlan | tail -n20
    Apr 2 20:20:16 danny-CM1745 NetworkManager[736]: <info> Activation (wlan0) Beginning DHCPv4 transaction (timeout in 45 seconds)
    Apr 2 20:20:16 danny-CM1745 NetworkManager[736]: <info> Activation (wlan0) Beginning IP6 addrconf.
    Apr 2 20:20:16 danny-CM1745 NetworkManager[736]: <info> Activation (wlan0) Stage 3 of 5 (IP Configure Start) complete.
    Apr 2 20:20:16 danny-CM1745 NetworkManager[736]: <info> (wlan0): DHCPv4 state changed nbi -> preinit
    Apr 2 20:20:16 danny-CM1745 dhclient: Listening on LPF/wlan0/10:0d:7f:37:c2:07
    Apr 2 20:20:16 danny-CM1745 dhclient: Sending on LPF/wlan0/10:0d:7f:37:c2:07
    Apr 2 20:20:16 danny-CM1745 dhclient: DHCPREQUEST of 192.168.1.5 on wlan0 to 255.255.255.255 port 67
    Apr 2 20:20:19 danny-CM1745 dhclient: DHCPREQUEST of 192.168.1.5 on wlan0 to 255.255.255.255 port 67
    Apr 2 20:20:19 danny-CM1745 NetworkManager[736]: <info> (wlan0): DHCPv4 state changed preinit -> reboot
    Apr 2 20:20:19 danny-CM1745 NetworkManager[736]: <info> Activation (wlan0) Stage 5 of 5 (IPv4 Configure Commit) scheduled...
    Apr 2 20:20:19 danny-CM1745 NetworkManager[736]: <info> Activation (wlan0) Stage 5 of 5 (IPv4 Commit) started...
    Apr 2 20:20:20 danny-CM1745 NetworkManager[736]: <warn> (wlan0): failed to change interface MTU
    Apr 2 20:20:20 danny-CM1745 NetworkManager[736]: <info> (wlan0): device state change: ip-config -> activated (reason 'none') [70 100 0]
    Apr 2 20:20:20 danny-CM1745 NetworkManager[736]: <info> Policy set 'NETGEAR13' (wlan0) as default for IPv4 routing and DNS.
    Apr 2 20:20:20 danny-CM1745 NetworkManager[736]: <info> Activation (wlan0) successful, device activated.
    Apr 2 20:20:20 danny-CM1745 NetworkManager[736]: <info> Activation (wlan0) Stage 5 of 5 (IPv4 Commit) complete.
    Apr 2 20:20:39 danny-CM1745 NetworkManager[736]: <info> (wlan0): IP6 addrconf timed out or failed.
    Apr 2 20:20:39 danny-CM1745 NetworkManager[736]: <info> Activation (wlan0) Stage 4 of 5 (IPv6 Configure Timeout) scheduled...
    Apr 2 20:20:39 danny-CM1745 NetworkManager[736]: <info> Activation (wlan0) Stage 4 of 5 (IPv6 Configure Timeout) started...
    Apr 2 20:20:39 danny-CM1745 NetworkManager[736]: <info> Activation (wlan0) Stage 4 of 5 (IPv6 Configure Timeout) complete.
    danny@danny-CM1745:~$
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  6. April 4th, 2013 #6
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    Re: Wireless Internet connection stops after downloading

    I see two things, one not very suspicious and the other even less so.
    Apr 3 15:46:14 danny-CM1745 NetworkManager[736]: <info> (wlan0): IP6 addrconf timed out or failed.
    Apr 3 15:46:14 danny-CM1745 NetworkManager[736]: <info> Activation (wlan0) Stage 4 of 5 (IPv6 Configure Timeout) scheduled...
    Apr 3 15:46:14 danny-CM1745 NetworkManager[736]: <info> Activation (wlan0) Stage 4 of 5 (IPv6 Configure Timeout) started...
    Apr 3 15:46:14 danny-CM1745 NetworkManager[736]: <info> Activation (wlan0) Stage 4 of 5 (IPv6 Configure Timeout) complete.
    You might set Network Manager to ignore IPv6 and see if that has any effect. Please see attached.

    Second, I see this:
    Apr 2 20:20:20 danny-CM1745 NetworkManager[736]: <warn> (wlan0): failed to change interface MTU
    Do you have some different MTU set in Network Manager or elsewhere? In almost every case, the default works well.
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  7. April 4th, 2013 #7
    crazy_23_1999_04290
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    Re: Wireless Internet connection stops after downloading

    Its still doing the samething i copy and paste the same command you gave me in post #4

    danny@danny-CM1745:~$ cat /var/log/syslog | grep -e ndis -e wlan | tail -n20
    Apr 3 16:57:47 danny-CM1745 wpa_supplicant[1137]: wlan0: CTRL-EVENT-CONNECTED - Connection to 20:e5:2a:17:0f:5c completed (auth) [id=0 id_str=]
    Apr 3 16:57:47 danny-CM1745 NetworkManager[736]: <info> (wlan0): supplicant interface state: 4-way handshake -> completed
    Apr 3 16:57:47 danny-CM1745 NetworkManager[736]: <info> Activation (wlan0/wireless) Stage 2 of 5 (Device Configure) successful. Connected to wireless network 'NETGEAR13'.
    Apr 3 16:57:47 danny-CM1745 NetworkManager[736]: <info> Activation (wlan0) Stage 3 of 5 (IP Configure Start) scheduled.
    Apr 3 16:57:47 danny-CM1745 NetworkManager[736]: <info> Activation (wlan0) Stage 3 of 5 (IP Configure Start) started...
    Apr 3 16:57:47 danny-CM1745 NetworkManager[736]: <info> (wlan0): device state change: config -> ip-config (reason 'none') [50 70 0]
    Apr 3 16:57:47 danny-CM1745 NetworkManager[736]: <info> Activation (wlan0) Beginning DHCPv4 transaction (timeout in 45 seconds)
    Apr 3 16:57:47 danny-CM1745 NetworkManager[736]: <info> Activation (wlan0) Stage 3 of 5 (IP Configure Start) complete.
    Apr 3 16:57:47 danny-CM1745 NetworkManager[736]: <info> (wlan0): DHCPv4 state changed nbi -> preinit
    Apr 3 16:57:47 danny-CM1745 dhclient: Listening on LPF/wlan0/10:0d:7f:37:c2:07
    Apr 3 16:57:47 danny-CM1745 dhclient: Sending on LPF/wlan0/10:0d:7f:37:c2:07
    Apr 3 16:57:47 danny-CM1745 dhclient: DHCPREQUEST of 192.168.1.5 on wlan0 to 255.255.255.255 port 67
    Apr 3 16:57:50 danny-CM1745 dhclient: DHCPREQUEST of 192.168.1.5 on wlan0 to 255.255.255.255 port 67
    Apr 3 16:57:50 danny-CM1745 NetworkManager[736]: <info> (wlan0): DHCPv4 state changed preinit -> reboot
    Apr 3 16:57:50 danny-CM1745 NetworkManager[736]: <info> Activation (wlan0) Stage 5 of 5 (IPv4 Configure Commit) scheduled...
    Apr 3 16:57:50 danny-CM1745 NetworkManager[736]: <info> Activation (wlan0) Stage 5 of 5 (IPv4 Commit) started...
    Apr 3 16:57:51 danny-CM1745 NetworkManager[736]: <info> (wlan0): device state change: ip-config -> activated (reason 'none') [70 100 0]
    Apr 3 16:57:51 danny-CM1745 NetworkManager[736]: <info> Policy set 'NETGEAR13' (wlan0) as default for IPv4 routing and DNS.
    Apr 3 16:57:51 danny-CM1745 NetworkManager[736]: <info> Activation (wlan0) successful, device activated.
    Apr 3 16:57:51 danny-CM1745 NetworkManager[736]: <info> Activation (wlan0) Stage 5 of 5 (IPv4 Commit) complete.
    danny@danny-CM1745:~$ cat /var/log/syslog.1 | grep -e ndis -e wlan | tail -n20
    Apr 2 20:20:16 danny-CM1745 NetworkManager[736]: <info> Activation (wlan0) Beginning DHCPv4 transaction (timeout in 45 seconds)
    Apr 2 20:20:16 danny-CM1745 NetworkManager[736]: <info> Activation (wlan0) Beginning IP6 addrconf.
    Apr 2 20:20:16 danny-CM1745 NetworkManager[736]: <info> Activation (wlan0) Stage 3 of 5 (IP Configure Start) complete.
    Apr 2 20:20:16 danny-CM1745 NetworkManager[736]: <info> (wlan0): DHCPv4 state changed nbi -> preinit
    Apr 2 20:20:16 danny-CM1745 dhclient: Listening on LPF/wlan0/10:0d:7f:37:c2:07
    Apr 2 20:20:16 danny-CM1745 dhclient: Sending on LPF/wlan0/10:0d:7f:37:c2:07
    Apr 2 20:20:16 danny-CM1745 dhclient: DHCPREQUEST of 192.168.1.5 on wlan0 to 255.255.255.255 port 67
    Apr 2 20:20:19 danny-CM1745 dhclient: DHCPREQUEST of 192.168.1.5 on wlan0 to 255.255.255.255 port 67
    Apr 2 20:20:19 danny-CM1745 NetworkManager[736]: <info> (wlan0): DHCPv4 state changed preinit -> reboot
    Apr 2 20:20:19 danny-CM1745 NetworkManager[736]: <info> Activation (wlan0) Stage 5 of 5 (IPv4 Configure Commit) scheduled...
    Apr 2 20:20:19 danny-CM1745 NetworkManager[736]: <info> Activation (wlan0) Stage 5 of 5 (IPv4 Commit) started...
    Apr 2 20:20:20 danny-CM1745 NetworkManager[736]: <warn> (wlan0): failed to change interface MTU
    Apr 2 20:20:20 danny-CM1745 NetworkManager[736]: <info> (wlan0): device state change: ip-config -> activated (reason 'none') [70 100 0]
    Apr 2 20:20:20 danny-CM1745 NetworkManager[736]: <info> Policy set 'NETGEAR13' (wlan0) as default for IPv4 routing and DNS.
    Apr 2 20:20:20 danny-CM1745 NetworkManager[736]: <info> Activation (wlan0) successful, device activated.
    Apr 2 20:20:20 danny-CM1745 NetworkManager[736]: <info> Activation (wlan0) Stage 5 of 5 (IPv4 Commit) complete.
    Apr 2 20:20:39 danny-CM1745 NetworkManager[736]: <info> (wlan0): IP6 addrconf timed out or failed.
    Apr 2 20:20:39 danny-CM1745 NetworkManager[736]: <info> Activation (wlan0) Stage 4 of 5 (IPv6 Configure Timeout) scheduled...
    Apr 2 20:20:39 danny-CM1745 NetworkManager[736]: <info> Activation (wlan0) Stage 4 of 5 (IPv6 Configure Timeout) started...
    Apr 2 20:20:39 danny-CM1745 NetworkManager[736]: <info> Activation (wlan0) Stage 4 of 5 (IPv6 Configure Timeout) complete.


    IPv6 is set to ignore
    MTU is set to automatic
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  8. April 4th, 2013 #8
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    Re: Wireless Internet connection stops after downloading

    Apr 2 20:20:39 danny-CM1745 NetworkManager[736]: <info> Activation (wlan0) Stage 4 of 5 (IPv6 Configure Timeout) scheduled...
    Apr 2 20:20:39 danny-CM1745 NetworkManager[736]: <info> Activation (wlan0) Stage 4 of 5 (IPv6 Configure Timeout) started...
    Apr 2 20:20:39 danny-CM1745 NetworkManager[736]: <info> Activation (wlan0) Stage 4 of 5 (IPv6 Configure Timeout) complete.
    Please check the timestamps. Those are the exact same messages as we saw before. After you made the changes, did you try a big download or do anything to trigger the behavior? Please try a reboot.
    "Oh, Ubuntu, you are my favorite Linux-based operating system" --Dr. Sheldon Cooper, B.Sc., M.Sc., M.A., Ph.D., Sc.D.
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  9. April 4th, 2013 #9
    crazy_23_1999_04290
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    Re: Wireless Internet connection stops after downloading

    This is what did. Check setting as to post #6 settings correct, restart. Try to download to trigger the behavior got the behavior again. Then back to post #4 put in terminal got it as listed below
    danny@danny-CM1745:~$ cat /var/log/syslog | grep -e ndis -e wlan | tail -n20
    Apr 4 15:23:59 danny-CM1745 NetworkManager[1025]: <info> Activation (wlan0) Beginning DHCPv4 transaction (timeout in 45 seconds)
    Apr 4 15:23:59 danny-CM1745 NetworkManager[1025]: <info> Activation (wlan0) Stage 3 of 5 (IP Configure Start) complete.
    Apr 4 15:23:59 danny-CM1745 NetworkManager[1025]: <info> (wlan0): DHCPv4 state changed nbi -> preinit
    Apr 4 15:23:59 danny-CM1745 dhclient: Listening on LPF/wlan0/10:0d:7f:37:c2:07
    Apr 4 15:23:59 danny-CM1745 dhclient: Sending on LPF/wlan0/10:0d:7f:37:c2:07
    Apr 4 15:23:59 danny-CM1745 dhclient: DHCPREQUEST of 192.168.1.5 on wlan0 to 255.255.255.255 port 67
    Apr 4 15:24:01 danny-CM1745 avahi-daemon[1046]: Joining mDNS multicast group on interface wlan0.IPv6 with address fe80::120d:7fff:fe37:c207.
    Apr 4 15:24:01 danny-CM1745 avahi-daemon[1046]: New relevant interface wlan0.IPv6 for mDNS.
    Apr 4 15:24:01 danny-CM1745 avahi-daemon[1046]: Registering new address record for fe80::120d:7fff:fe37:c207 on wlan0.*.
    Apr 4 15:24:02 danny-CM1745 dhclient: DHCPREQUEST of 192.168.1.5 on wlan0 to 255.255.255.255 port 67
    Apr 4 15:24:02 danny-CM1745 NetworkManager[1025]: <info> (wlan0): DHCPv4 state changed preinit -> reboot
    Apr 4 15:24:02 danny-CM1745 NetworkManager[1025]: <info> Activation (wlan0) Stage 5 of 5 (IPv4 Configure Commit) scheduled...
    Apr 4 15:24:02 danny-CM1745 NetworkManager[1025]: <info> Activation (wlan0) Stage 5 of 5 (IPv4 Commit) started...
    Apr 4 15:24:02 danny-CM1745 avahi-daemon[1046]: Joining mDNS multicast group on interface wlan0.IPv4 with address 192.168.1.5.
    Apr 4 15:24:02 danny-CM1745 avahi-daemon[1046]: New relevant interface wlan0.IPv4 for mDNS.
    Apr 4 15:24:02 danny-CM1745 avahi-daemon[1046]: Registering new address record for 192.168.1.5 on wlan0.IPv4.
    Apr 4 15:24:03 danny-CM1745 NetworkManager[1025]: <info> (wlan0): device state change: ip-config -> activated (reason 'none') [70 100 0]
    Apr 4 15:24:03 danny-CM1745 NetworkManager[1025]: <info> Policy set 'NETGEAR13' (wlan0) as default for IPv4 routing and DNS.
    Apr 4 15:24:03 danny-CM1745 NetworkManager[1025]: <info> Activation (wlan0) successful, device activated.
    Apr 4 15:24:03 danny-CM1745 NetworkManager[1025]: <info> Activation (wlan0) Stage 5 of 5 (IPv4 Commit) complete.
    danny@danny-CM1745:~$ cat /var/log/syslog.1 | grep -e ndis -e wlan | tail -n20
    Apr 2 20:20:16 danny-CM1745 NetworkManager[736]: <info> Activation (wlan0) Beginning DHCPv4 transaction (timeout in 45 seconds)
    Apr 2 20:20:16 danny-CM1745 NetworkManager[736]: <info> Activation (wlan0) Beginning IP6 addrconf.
    Apr 2 20:20:16 danny-CM1745 NetworkManager[736]: <info> Activation (wlan0) Stage 3 of 5 (IP Configure Start) complete.
    Apr 2 20:20:16 danny-CM1745 NetworkManager[736]: <info> (wlan0): DHCPv4 state changed nbi -> preinit
    Apr 2 20:20:16 danny-CM1745 dhclient: Listening on LPF/wlan0/10:0d:7f:37:c2:07
    Apr 2 20:20:16 danny-CM1745 dhclient: Sending on LPF/wlan0/10:0d:7f:37:c2:07
    Apr 2 20:20:16 danny-CM1745 dhclient: DHCPREQUEST of 192.168.1.5 on wlan0 to 255.255.255.255 port 67
    Apr 2 20:20:19 danny-CM1745 dhclient: DHCPREQUEST of 192.168.1.5 on wlan0 to 255.255.255.255 port 67
    Apr 2 20:20:19 danny-CM1745 NetworkManager[736]: <info> (wlan0): DHCPv4 state changed preinit -> reboot
    Apr 2 20:20:19 danny-CM1745 NetworkManager[736]: <info> Activation (wlan0) Stage 5 of 5 (IPv4 Configure Commit) scheduled...
    Apr 2 20:20:19 danny-CM1745 NetworkManager[736]: <info> Activation (wlan0) Stage 5 of 5 (IPv4 Commit) started...
    Apr 2 20:20:20 danny-CM1745 NetworkManager[736]: <warn> (wlan0): failed to change interface MTU
    Apr 2 20:20:20 danny-CM1745 NetworkManager[736]: <info> (wlan0): device state change: ip-config -> activated (reason 'none') [70 100 0]
    Apr 2 20:20:20 danny-CM1745 NetworkManager[736]: <info> Policy set 'NETGEAR13' (wlan0) as default for IPv4 routing and DNS.
    Apr 2 20:20:20 danny-CM1745 NetworkManager[736]: <info> Activation (wlan0) successful, device activated.
    Apr 2 20:20:20 danny-CM1745 NetworkManager[736]: <info> Activation (wlan0) Stage 5 of 5 (IPv4 Commit) complete.
    Apr 2 20:20:39 danny-CM1745 NetworkManager[736]: <info> (wlan0): IP6 addrconf timed out or failed.
    Apr 2 20:20:39 danny-CM1745 NetworkManager[736]: <info> Activation (wlan0) Stage 4 of 5 (IPv6 Configure Timeout) scheduled...
    Apr 2 20:20:39 danny-CM1745 NetworkManager[736]: <info> Activation (wlan0) Stage 4 of 5 (IPv6 Configure Timeout) started...
    Apr 2 20:20:39 danny-CM1745 NetworkManager[736]: <info> Activation (wlan0) Stage 4 of 5 (IPv6 Configure Timeout) complete.
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  10. April 7th, 2013 #10
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    chili555
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    Re: Wireless Internet connection stops after downloading

    These are the same dates and timestamps as you posted in two previous posts. May we conclude that when you provoked the behavior again AFTER that, that there was no message at all in the logs?? None?
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