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Thread: Thinkpad L430: Wifi rtl8188ce Unstable Connection

  1. #11
    Join Date
    Jul 2012
    Beans
    16

    Re: Thinkpad L430: Wifi rtl8188ce Unstable Connection

    Hi again, I just ran the command again, straight after boot. Looks a bit cleaner, but the problem is still there.


    Code:
    Jul  7 10:25:35 sbl NetworkManager[933]: <info> wpa_supplicant started
    Jul  7 10:25:35 sbl NetworkManager[933]: <info> (wlan0): supplicant interface state: starting -> ready
    Jul  7 10:25:35 sbl NetworkManager[933]: <info> (wlan0): device state change: unavailable -> disconnected (reason 'supplicant-available') [20 30 42]
    Jul  7 10:25:35 sbl NetworkManager[933]: <info> (wlan0): supplicant interface state: ready -> inactive
    Jul  7 10:25:35 sbl kernel: [    3.754694] rtl8192c_common: Loading firmware file rtlwifi/rtl8192cfw.bin
    Jul  7 10:25:37 sbl NetworkManager[933]: <info> Activation (wlan0) starting connection 'Fullrate'
    Jul  7 10:25:37 sbl NetworkManager[933]: <info> (wlan0): device state change: disconnected -> prepare (reason 'none') [30 40 0]
    Jul  7 10:25:37 sbl NetworkManager[933]: <info> Activation (wlan0) Stage 1 of 5 (Device Prepare) scheduled...
    Jul  7 10:25:37 sbl NetworkManager[933]: <info> Activation (wlan0) Stage 1 of 5 (Device Prepare) started...
    Jul  7 10:25:37 sbl NetworkManager[933]: <info> Activation (wlan0) Stage 2 of 5 (Device Configure) scheduled...
    Jul  7 10:25:37 sbl NetworkManager[933]: <info> Activation (wlan0) Stage 1 of 5 (Device Prepare) complete.
    Jul  7 10:25:37 sbl NetworkManager[933]: <info> Activation (wlan0) Stage 2 of 5 (Device Configure) starting...
    Jul  7 10:25:37 sbl NetworkManager[933]: <info> (wlan0): device state change: prepare -> config (reason 'none') [40 50 0]
    Jul  7 10:25:37 sbl NetworkManager[933]: <info> Activation (wlan0/wireless): connection 'Fullrate' requires no security.  No secrets needed.
    Jul  7 10:25:37 sbl NetworkManager[933]: <info> Activation (wlan0) Stage 2 of 5 (Device Configure) complete.
    Jul  7 10:25:37 sbl NetworkManager[933]: <info> (wlan0): supplicant interface state: inactive -> scanning
    Jul  7 10:25:38 sbl wpa_supplicant[1100]: Trying to authenticate with 00:19:cb:e7:09:c5 (SSID='Fullrate' freq=2437 MHz)
    Jul  7 10:25:38 sbl NetworkManager[933]: <info> (wlan0): supplicant interface state: scanning -> authenticating
    Jul  7 10:25:38 sbl wpa_supplicant[1100]: Trying to associate with 00:19:cb:e7:09:c5 (SSID='Fullrate' freq=2437 MHz)
    Jul  7 10:25:38 sbl kernel: [    6.701202] wlan0: authenticate with 00:19:cb:e7:09:c5 (try 1)
    Jul  7 10:25:38 sbl kernel: [    6.702782] wlan0: authenticated
    Jul  7 10:25:38 sbl NetworkManager[933]: <info> (wlan0): supplicant interface state: authenticating -> associating
    Jul  7 10:25:38 sbl kernel: [    6.723063] wlan0: associate with 00:19:cb:e7:09:c5 (try 1)
    Jul  7 10:25:38 sbl wpa_supplicant[1100]: Associated with 00:19:cb:e7:09:c5
    Jul  7 10:25:38 sbl wpa_supplicant[1100]: CTRL-EVENT-CONNECTED - Connection to 00:19:cb:e7:09:c5 completed (auth) [id=0 id_str=]
    Jul  7 10:25:38 sbl kernel: [    6.729084] wlan0: RX AssocResp from 00:19:cb:e7:09:c5 (capab=0x461 status=0 aid=1)
    Jul  7 10:25:38 sbl kernel: [    6.729086] wlan0: associated
    Jul  7 10:25:38 sbl kernel: [    6.729567] ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
    Jul  7 10:25:38 sbl NetworkManager[933]: <info> (wlan0): supplicant interface state: associating -> completed
    Jul  7 10:25:38 sbl NetworkManager[933]: <info> Activation (wlan0/wireless) Stage 2 of 5 (Device Configure) successful.  Connected to wireless network 'Fullrate'.
    Jul  7 10:25:38 sbl NetworkManager[933]: <info> Activation (wlan0) Stage 3 of 5 (IP Configure Start) scheduled.
    Jul  7 10:25:38 sbl NetworkManager[933]: <info> Activation (wlan0) Stage 3 of 5 (IP Configure Start) started...
    Jul  7 10:25:38 sbl NetworkManager[933]: <info> (wlan0): device state change: config -> ip-config (reason 'none') [50 70 0]
    Jul  7 10:25:38 sbl NetworkManager[933]: <info> Activation (wlan0) Beginning DHCPv4 transaction (timeout in 45 seconds)
    Jul  7 10:25:38 sbl NetworkManager[933]: <info> Activation (wlan0) Stage 3 of 5 (IP Configure Start) complete.
    Jul  7 10:25:38 sbl NetworkManager[933]: <info> (wlan0): DHCPv4 state changed nbi -> preinit
    Jul  7 10:25:38 sbl dhclient: Listening on LPF/wlan0/7c:e9:d3:f3:b0:e7
    Jul  7 10:25:38 sbl dhclient: Sending on   LPF/wlan0/7c:e9:d3:f3:b0:e7
    Jul  7 10:25:38 sbl dhclient: DHCPREQUEST of 192.168.1.37 on wlan0 to 255.255.255.255 port 67
    Jul  7 10:25:38 sbl NetworkManager[933]: <info> (wlan0): DHCPv4 state changed preinit -> reboot
    Jul  7 10:25:38 sbl NetworkManager[933]: <info> Activation (wlan0) Stage 5 of 5 (IPv4 Configure Commit) scheduled...
    Jul  7 10:25:38 sbl NetworkManager[933]: <info> Activation (wlan0) Stage 5 of 5 (IPv4 Commit) started...
    Jul  7 10:25:38 sbl avahi-daemon[950]: Joining mDNS multicast group on interface wlan0.IPv4 with address 192.168.1.37.
    Jul  7 10:25:38 sbl avahi-daemon[950]: New relevant interface wlan0.IPv4 for mDNS.
    Jul  7 10:25:38 sbl avahi-daemon[950]: Registering new address record for 192.168.1.37 on wlan0.IPv4.
    Jul  7 10:25:39 sbl avahi-daemon[950]: Joining mDNS multicast group on interface wlan0.IPv6 with address fe80::7ee9:d3ff:fef3:b0e7.
    Jul  7 10:25:39 sbl avahi-daemon[950]: New relevant interface wlan0.IPv6 for mDNS.
    Jul  7 10:25:39 sbl avahi-daemon[950]: Registering new address record for fe80::7ee9:d3ff:fef3:b0e7 on wlan0.*.
    Jul  7 10:25:39 sbl NetworkManager[933]: <info> (wlan0): writing resolv.conf to /sbin/resolvconf
    Jul  7 10:25:39 sbl NetworkManager[933]: <info> (wlan0): device state change: ip-config -> activated (reason 'none') [70 100 0]
    Jul  7 10:25:39 sbl NetworkManager[933]: <info> Policy set 'Fullrate' (wlan0) as default for IPv4 routing and DNS.
    Jul  7 10:25:39 sbl NetworkManager[933]: <info> Activation (wlan0) successful, device activated.
    Jul  7 10:25:39 sbl NetworkManager[933]: <info> Activation (wlan0) Stage 5 of 5 (IPv4 Commit) complete.
    Jul  7 10:25:39 sbl kernel: [    7.981961] input: Integrated Camera as /devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1.6/1-1.6:1.0/input/input12
    Jul  7 10:25:48 sbl kernel: [   16.755733] wlan0: no IPv6 routers present

  2. #12
    Join Date
    Jul 2012
    Beans
    16

    Re: Thinkpad L430: Wifi rtl8188ce Unstable Connection

    I just discovered that by pinging my router I can create a stable connection.

  3. #13
    Join Date
    Sep 2011
    Location
    Pennsylvania, U.S.A.
    Beans
    1,872
    Distro
    Ubuntu Development Release

    Re: Thinkpad L430: Wifi rtl8188ce Unstable Connection

    Quote Originally Posted by simon002 View Post
    I just discovered that by pinging my router I can create a stable connection.
    Good deal! . I found when using RealTek's driver that I had to blacklist the 'built-in' one on some distros. I didn't have to blacklist on Ubuntu12.04, did have to blacklist on Mint Maya which is based on 12.04. Some things are a mystery.

  4. #14
    Join Date
    Jul 2012
    Beans
    16

    Re: Thinkpad L430: Wifi rtl8188ce Unstable Connection

    Hi Kurt, this is a very annoying mystery
    I tried blacklisting earlier, but it didn't change anything. And that is weirdly a recurring result. Whatever I try, my situation doesn't change. Not for the better and not for the worse

    Maybe wildmanne39 was onto something when he asked me if my router is really old, hehe.

    Still looking for a solution.

  5. #15
    Join Date
    Feb 2008
    Location
    Texas
    Beans
    14,730
    Distro
    Ubuntu 12.04 Precise Pangolin

    Re: Thinkpad L430: Wifi rtl8188ce Unstable Connection

    Hi, please post the output of:
    Code:
    ndiswrapper -l
    just want to make sure it is not installed.
    Thanks

  6. #16
    Join Date
    Jul 2012
    Beans
    16

    Re: Thinkpad L430: Wifi rtl8188ce Unstable Connection

    Hey, I think the only driver installed at the moment is the one which came with Ubuntu.
    Can you help me find out which driver is in use?

    Output:
    Code:
    The program 'ndiswrapper' is currently not installed.  You can install it by typing:
    sudo apt-get install ndiswrapper-common
    This is lsmod:

    Code:
    $ lsmod
    Module                  Size  Used by
    uvcvideo               72627  0 
    videodev               98259  1 uvcvideo
    v4l2_compat_ioctl32    17128  1 videodev
    snd_hda_codec_hdmi     32474  1 
    snd_hda_codec_realtek   223867  1 
    joydev                 17693  0 
    arc4                   12529  2 
    thinkpad_acpi          81819  0 
    snd_seq_midi           13324  0 
    snd_rawmidi            30748  1 snd_seq_midi
    snd_seq_midi_event     14899  1 snd_seq_midi
    rfcomm                 47604  12 
    bnep                   18281  2 
    parport_pc             32866  0 
    ppdev                  17113  0 
    psmouse                87692  0 
    cdc_wdm                17581  0 
    serio_raw              13211  0 
    snd_seq                61896  2 snd_seq_midi,snd_seq_midi_event
    cdc_acm                26858  0 
    rtl8192ce              84826  0 
    rtl8192c_common        75767  1 rtl8192ce
    rtlwifi               111202  1 rtl8192ce
    cdc_ncm                17399  0 
    usbnet                 26212  1 cdc_ncm
    snd_hda_intel          33773  3 
    btusb                  18288  2 
    bluetooth             180104  23 rfcomm,bnep,btusb
    snd_hda_codec         127706  3 snd_hda_codec_hdmi,snd_hda_codec_realtek,snd_hda_intel
    mac80211              506816  3 rtl8192ce,rtl8192c_common,rtlwifi
    snd_hwdep              13668  1 snd_hda_codec
    snd_pcm                97188  3 snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec
    snd_seq_device         14540  3 snd_seq_midi,snd_rawmidi,snd_seq
    mei                    41616  0 
    cfg80211              205544  2 rtlwifi,mac80211
    snd_timer              29990  2 snd_seq,snd_pcm
    snd_page_alloc         18529  2 snd_hda_intel,snd_pcm
    i915                  468737  3 
    snd                    78855  17 snd_hda_codec_hdmi,snd_hda_codec_realtek,thinkpad_acpi,snd_rawmidi,snd_seq,snd_hda_intel,snd_hda_codec,snd_hwdep,snd_seq_device,snd_pcm,snd_timer
    drm_kms_helper         46978  1 i915
    drm                   242038  4 i915,drm_kms_helper
    i2c_algo_bit           13423  1 i915
    wmi                    19256  0 
    soundcore              15091  1 snd
    nvram                  14413  1 thinkpad_acpi
    tpm_tis                18804  0 
    video                  19596  1 i915
    mac_hid                13253  0 
    lp                     17799  0 
    parport                46562  3 parport_pc,ppdev,lp
    r8169                  62099  0
    Last edited by simon002; July 8th, 2012 at 12:00 PM. Reason: spellcheck

  7. #17
    Join Date
    Jul 2012
    Beans
    16

    Re: Thinkpad L430: Wifi rtl8188ce Unstable Connection

    Pinging the router no longer works. It creates a more consistent connection, but I don't think the router likes it, because it stops responding after a while. I'm not getting disconnected but traffic is delayed.

    Also as an aside my system froze earlier today. Not sure why.

  8. #18
    Join Date
    Feb 2008
    Location
    Texas
    Beans
    14,730
    Distro
    Ubuntu 12.04 Precise Pangolin

    Re: Thinkpad L430: Wifi rtl8188ce Unstable Connection

    Hi, while it is connected can you browse the internet?
    Thanks

  9. #19
    Join Date
    Jul 2012
    Beans
    16

    Re: Thinkpad L430: Wifi rtl8188ce Unstable Connection

    Hi, yes, but it is mostly unresponsive, sometimes I am able to load a webpage.

  10. #20
    Join Date
    Feb 2008
    Location
    Texas
    Beans
    14,730
    Distro
    Ubuntu 12.04 Precise Pangolin

    Re: Thinkpad L430: Wifi rtl8188ce Unstable Connection

    Hi, please post the output of:
    Code:
    lspci -nnk | grep -iA2 net
    iwconfig
    rfkill list all
    Thanks

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