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Thread: Poor wireless performance on ubuntu 11.10

  1. #21
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    Dec 2005
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    Re: Poor wireless performance on ubuntu 11.10

    Quote Originally Posted by webberdar View Post
    That is good to know thanks jasondean. Could you please tell me a little more about your machine running 10.10? What kernel are you running? And did you need to do anything to get the driver working properly? Much appreciated.

    Cheers

    Hello, it's a Gateway NV55C laptop. 10.10 is using the 2.6.35-32 kernel.
    I didn't have to do anything special at all. That is what's frustrating it's only the newer versions of Ubuntu(and other Linux distro's I've noticed also in other forums) that have a problem with the Atheros wireless.
    The problem prevents me from using the newer Ubuntu's as my primary OS on this laptop so I've kept 10.10 as the primary until someone can find a solution. I even tried the 3.4 kernel in 12.04 and it's still the same problem..

  2. #22
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    Re: Poor wireless performance on ubuntu 11.10

    I found this while surfing. Will test and see if this works.
    it says that the power save mode can cause wireless to be slow

    http://linux-software-news-tutorials...-solution.html

  3. #23
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    Distro
    Ubuntu 12.04 Precise Pangolin

    Re: Poor wireless performance on ubuntu 11.10

    Hi, it sure can you can use the directions in post 9 of this thread to turn power management off.
    Thanks

  4. #24
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    Re: Poor wireless performance on ubuntu 11.10

    Quote Originally Posted by wildmanne39 View Post
    Hi, it sure can you can use the directions in post 9 of this thread to turn power management off.
    Thanks
    Hello, I didn't notice the post but I can say after a few days of testing that was the problem. Whew..

  5. #25
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    Ubuntu 12.04 Precise Pangolin

    Re: Poor wireless performance on ubuntu 11.10

    Hi jasondean, I am glad your wireless is working good now.
    Enjoy

  6. #26
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    Re: Poor wireless performance on ubuntu 11.10

    well i spoke to soon. Same problem still exist..

  7. #27
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    Ubuntu 12.04 Precise Pangolin

    Re: Poor wireless performance on ubuntu 11.10

    Hi jasondean, please post the output of:
    Code:
    cat /etc/lsb-release; uname -a
    lspci -nnk | grep -iA2 net
    lsusb
    iwconfig
    rfkill list all
    lsmod
    here by clicking on new reply and click # and paste the information between the brackets.
    Thank you

  8. #28
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    Re: Poor wireless performance on ubuntu 11.10

    Thanks for the help, i noticed that the powermangment is still on when running the commands you listed even though i thought it was disabled with the other code, maybe that's the problem?
    I found this

    http://askubuntu.com/questions/85214...eing-turned-on

    appernetly the wifi powermangement can still come on even after disabling it in the link i posted earlier

    Code:
    cat /etc/lsb-release; uname -a
    DISTRIB_ID=Ubuntu
    DISTRIB_RELEASE=12.04
    DISTRIB_CODENAME=precise
    DISTRIB_DESCRIPTION="Ubuntu 12.04 LTS"
    Linux NV55C 3.4.0-030400rc3-generic-pae #201204152235 SMP Mon Apr 16 02:49:32 UTC 2012 i686 i686 i386 GNU/Linux
    
    lspci -nnk | grep -iA2 net
    01:00.0 Ethernet controller [0200]: Broadcom Corporation NetLink BCM57780 Gigabit Ethernet PCIe [14e4:1692] (rev 01)
    	Subsystem: Acer Incorporated [ALI] Device [1025:036d]
    	Kernel driver in use: tg3
    --
    02:00.0 Network controller [0280]: Atheros Communications Inc. AR9287 Wireless Network Adapter (PCI-Express) [168c:002e] (rev 01)
    	Subsystem: Lite-On Communications Inc Device [11ad:6603]
    	Kernel driver in use: ath9k
    lsusb
    Bus 001 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub
    Bus 002 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub
    Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
    Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
    Bus 001 Device 003: ID 04f2:b1d8 Chicony Electronics Co., Ltd
    
     iwconfig
    wlan0     IEEE 802.11bgn  ESSID:"linksyswifi"  
              Mode:Managed  Frequency:2.452 GHz  Access Point: 00:1D:7E:2F:A5:D7   
              Bit Rate=54 Mb/s   Tx-Power=13 dBm   
              Retry  long limit:7   RTS thr:off   Fragment thr:off
              Power Management:on
              Link Quality=50/70  Signal level=-60 dBm  
              Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
              Tx excessive retries:5  Invalid misc:482   Missed beacon:0
    
    lo        no wireless extensions.
    
    eth0      no wireless extensions.
    
    rfkill list all
    0: acer-wireless: Wireless LAN
    	Soft blocked: no
    	Hard blocked: no
    1: phy0: Wireless LAN
    	Soft blocked: no
    	Hard blocked: no
    
    lsmod
    Module                  Size  Used by
    snd_hrtimer            12681  1 
    lirc_dev               18700  0 
    bnep                   17749  2 
    rfcomm                 37611  0 
    bluetooth             180442  10 bnep,rfcomm
    parport_pc             32006  0 
    ppdev                  12900  0 
    dm_crypt               22384  1 
    binfmt_misc            17258  1 
    snd_hda_codec_hdmi     31503  1 
    snd_hda_codec_realtek    63337  1 
    arc4                   12473  2 
    uvcvideo               67170  0 
    snd_hda_intel          32396  3 
    ath9k                 120802  0 
    snd_hda_codec         109760  3 snd_hda_codec_hdmi,snd_hda_codec_realtek,snd_hda_intel
    videobuf2_core         27931  1 uvcvideo
    videodev               90998  1 uvcvideo
    snd_hwdep              13272  1 snd_hda_codec
    snd_pcm                80683  3 snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec
    videobuf2_vmalloc      12756  1 uvcvideo
    mac80211              444721  1 ath9k
    joydev                 17313  0 
    snd_seq_midi           13132  0 
    videobuf2_memops       13070  1 videobuf2_vmalloc
    snd_rawmidi            25371  1 snd_seq_midi
    ath9k_common           13785  1 ath9k
    ath9k_hw              386470  2 ath9k,ath9k_common
    snd_seq_midi_event     14475  1 snd_seq_midi
    snd_seq                51256  3 snd_seq_midi,snd_seq_midi_event
    snd_timer              24609  3 snd_hrtimer,snd_pcm,snd_seq
    snd_seq_device         14130  3 snd_seq_midi,snd_rawmidi,snd_seq
    ath                    19240  3 ath9k,ath9k_common,ath9k_hw
    coretemp               13330  0 
    cfg80211              170830  3 ath9k,mac80211,ath
    snd                    62211  17 snd_hda_codec_hdmi,snd_hda_codec_realtek,snd_hda_intel,snd_hda_codec,snd_hwdep,snd_pcm,snd_rawmidi,snd_seq,snd_timer,snd_seq_device
    soundcore              14556  1 snd
    snd_page_alloc         14108  2 snd_hda_intel,snd_pcm
    intel_ips              17796  0 
    acer_wmi               23579  0 
    psmouse                76856  0 
    sparse_keymap          13658  1 acer_wmi
    serio_raw              13027  0 
    mac_hid                13037  0 
    mei                    35978  0 
    microcode              18327  0 
    lp                     13349  0 
    parport                36664  3 parport_pc,ppdev,lp
    tg3                   144608  0 
    i915                  421946  3 
    drm_kms_helper         45438  1 i915
    drm                   216235  4 i915,drm_kms_helper
    i2c_algo_bit           13269  1 i915
    ums_realtek            17695  0 
    uas                    17683  0 
    usb_storage            39358  1 ums_realtek
    mxm_wmi                12859  0 
    wmi                    18645  2 acer_wmi,mxm_wmi
    video                  18792  2 acer_wmi,i915

  9. #29
    Join Date
    Jun 2009
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    Re: Poor wireless performance on ubuntu 11.10

    I am having the same problem in a Compaq C300. It has the BCM4311 B/G.


    06:00.0 Network controller [0280]: Broadcom Corporation BCM4311 802.11b/g WLAN [14e4:4311] (rev 01)
    Subsystem: Hewlett-Packard Company BCM4311 802.11b/g Wireless LAN Controller [103c:1363]
    Kernel driver in use: b43-pci-bridge

    I used this article:

    http://nfolamp.wordpress.com/2011/10...m4311-working/

    Then tried to turn power management off. The card works BUT it has VERY POOR performance. One moment it shows a transfer rate of 54 Mb/s then it drops to 1Mb/ s. Its all over the place number-wise. basically, it has very slow wifi connections.

    DOES ANYONE KNOW OF AN ALTERNATE CARD THAN CAN BE USED that is Linx compatible? It is a Full height mini card. Perhaps there is a B/ G/ N full height mini card.

    Thanks, OooBuntuRox

  10. #30
    Join Date
    Feb 2008
    Location
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    Distro
    Ubuntu 12.04 Precise Pangolin

    Re: Poor wireless performance on ubuntu 11.10

    Hi OooBuntuRox, that card normally runs fast and good, please click on the network icon in the top right corner of the screen and go to edit connections and set your settings to match the screenshots.
    Thanks
    Last edited by Wild Man; February 10th, 2013 at 06:57 PM.

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