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Thread: ath5k_pci cpu spikes

  1. #1

    Default ath5k_pci cpu spikes

    after my most recent updates received/installed on 11.1, I started noticing my streaming audio clipping which was streaming via VLC. A run of top shows ath5k_pci spiking to 100% cpu for exactly 15 secs. This occurs exactly in 2 minute intervals (occurring at the 53 sec mark for me right now). The most frustrating thing is if I have a key pressed (ie while typing text) right when the spike occurs it will go into stuck mode (repeating itself) until the spike is over (if I switch from that app to another that has text field active it will continue to repeat the letter). If a key is not pressed, when the spike occurs I can't type anything else until the spike is over. All other windows hang during this spike.

    Running openSUSE 11.1 on a T60p. Using Network Manager and this occurs even with the wired connection is active/primary.

    Workaround: 'modprobe -r ath5k' fixes this issue, but of course now I can't use my wireless.

    Let me know if you need any additional info.

  2. #2
    Join Date
    Jun 2008
    Location
    Kansas City Area, Missouri, USA
    Posts
    7,236

    Default Re: ath5k_pci cpu spikes

    One question. Does dmesg show anything strange?

    Three things to do/try.

    (1) Add the repository at
    http://download.opensuse.org/reposit...E_11.1_Update/
    and install the compat-wireless package that matches your kernel
    (uname -r). Does that help?

    (2) File a bug report.

    (3) Post the symptoms on linux-wireless@vger.kernel.org. The Atheros
    experts hang out there.

  3. #3

    Default Re: ath5k_pci cpu spikes

    I installed compat-wireless-kmp-pae, still same problem, but this time with process [phy0]. Ideas?

  4. #4
    Join Date
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    Location
    Kansas City Area, Missouri, USA
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    Default Re: ath5k_pci cpu spikes

    techniq wrote:
    > I installed compat-wireless-kmp-pae, still same problem, but this time
    > with process [phy0]. Ideas?


    No new ones. Did you check dmesg for any messages?

  5. #5

    Default Re: ath5k_pci cpu spikes

    This message keeps appearing:

    __ratelimit: 6 callbacks suppressed
    ath5k phy0: noise floor calibration timeout (2452MHz)
    ath5k phy0: gain calibration timeout (2457MHz)
    ath5k phy0: noise floor calibration timeout (2457MHz)
    ath5k phy0: gain calibration timeout (2462MHz)
    ath5k phy0: noise floor calibration timeout (2462MHz)
    ath5k phy0: gain calibration timeout (2467MHz)
    ath5k phy0: noise floor calibration timeout (2467MHz)
    ath5k phy0: gain calibration timeout (2472MHz)
    ath5k phy0: noise floor calibration timeout (2472MHz)
    ath5k phy0: gain calibration timeout (2484MHz)
    __ratelimit: 3 callbacks suppressed

  6. #6
    Join Date
    Jun 2008
    Location
    Kansas City Area, Missouri, USA
    Posts
    7,236

    Default Re: ath5k_pci cpu spikes

    techniq wrote:
    > This message keeps appearing:
    >
    > __ratelimit: 6 callbacks suppressed
    > ath5k phy0: noise floor calibration timeout (2452MHz)
    > ath5k phy0: gain calibration timeout (2457MHz)
    > ath5k phy0: noise floor calibration timeout (2457MHz)
    > ath5k phy0: gain calibration timeout (2462MHz)
    > ath5k phy0: noise floor calibration timeout (2462MHz)
    > ath5k phy0: gain calibration timeout (2467MHz)
    > ath5k phy0: noise floor calibration timeout (2467MHz)
    > ath5k phy0: gain calibration timeout (2472MHz)
    > ath5k phy0: noise floor calibration timeout (2472MHz)
    > ath5k phy0: gain calibration timeout (2484MHz)
    > __ratelimit: 3 callbacks suppressed


    You need to post this info on linux-wireless@vger.kernel.org.

    Your hardware may be broken.

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