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6001 Views 25 Replies Latest reply: Dec 22, 2009 4:24 PM by ricksox RSS
vries Iknowathingortwo
vries
261 posts since
Nov 6, 2007
Currently Being Moderated

Dec 9, 2009 4:04 AM

Support Ticket: CPU-spikes

Dear Line6,

A support ticket was opened for me over a month ago and I haven't had a respons up to now. When can I expect an answer?

Regards,

Rene

  • ricksox UberGuru
    ricksox
    11,641 posts since
    Mar 28, 2006
    Currently Being Moderated
    Mar 23, 2009 5:03 PM (in response to vries)
    Re: Support Ticket: no respons

    Hi,

     

    I will follow up and see what's going on.

     

     

    Line6Miller

    • vries Iknowathingortwo
      vries
      261 posts since
      Nov 6, 2007
      Currently Being Moderated
      Apr 20, 2009 1:16 AM (in response to ricksox)
      Re: Support Ticket: no respons

      Hello, any development on the new driver you were talking about in my support ticket? or a solution for the CPU-spikes?

      it has been a couple of weeks since your last respons and 2 months since my ticket was openend.

      thanks,

      Rene

  • ricksox UberGuru
    ricksox
    11,641 posts since
    Mar 28, 2006
    Currently Being Moderated
    Apr 21, 2009 2:23 PM (in response to vries)
    Re: Support Ticket: no respons

    Hi Rene,

     

    The last time we set this up we weren't able to reproduce but we'll keep trying. I meet with QA every Thursday so I'll make sure to set this up with them and see if we can figure out how to reproduce this. Thanks.

     

     

    Line6Miller

    • vries Iknowathingortwo
      vries
      261 posts since
      Nov 6, 2007
      Currently Being Moderated
      Apr 22, 2009 6:58 AM (in response to ricksox)
      Re: Support Ticket: no respons

      Hi, so can you give me a timeframe on how long it will take, or for how long you will keep trying to reproduce it? I know it's asking a lot but I guess you have some protocol on how long to try to reproduce a bug before giving up (or decreasing its priority)?

      I understood that I'm not the only one with this problem so it should be feasible to get it done within a certain timelimit.

       

      thanks,

      Rene

  • ricksox UberGuru
    ricksox
    11,641 posts since
    Mar 28, 2006
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    Apr 24, 2009 2:59 PM (in response to vries)
    Re: Support Ticket: no respons

    Hi Rene,

     

    We just released POD Farm 1.10. Can you download it and try it and see if it improves the spikes? Thanks.

     

     

    Line6Miller

    • vries Iknowathingortwo
      vries
      261 posts since
      Nov 6, 2007
      Currently Being Moderated
      Apr 26, 2009 3:05 AM (in response to ricksox)
      Re: Support Ticket: no respons/ podfarm 1.10 problem with Live8

      Hi, unfortunately the spikes are the same with podfarm 1.10.

      Worse, with Ableton Live8 ,the presets in podfarm are not recognized: with every Liveset I load, the podfarm preset reverts to default! This does not happen with Live7: this version works well with podfarm 1.10

      This means I cannot use podfarm 1.10.  I tried several times uninstalling and installing podfarm 1.10 but Live8 reverts all podfarmpresets to default.

      I was hoping the next podfarm update would have improvements like midicontrol and a better driver resulting in lower latency. I guess you are still working on it?

       

      thanks,

      Rene

  • Line6Perry Line 6 Support
    Line6Perry
    6,868 posts since
    Dec 26, 2007
    Currently Being Moderated
    Apr 30, 2009 10:16 AM (in response to vries)
    Re: Support Ticket: no respons

    Another thread confirmed the "patch issue" for you has been confirmed fixed on your setup:

    http://line6.com/community/thread/6253?tstart=0

    • vries Iknowathingortwo
      vries
      261 posts since
      Nov 6, 2007
      Currently Being Moderated
      May 1, 2009 1:46 PM (in response to Line6Perry)
      Re: Support Ticket: no respons

      Hi,

      the v1.10 trouble has been fixed with v 1.11.

      The original post was about the spikes occuring with podfarm, it's still the same with the latest driver, any news on this?

      It's been a long time since a support ticket was opened for me.

       

      Regards,

      Rene

  • ricksox UberGuru
    ricksox
    11,641 posts since
    Mar 28, 2006
    Currently Being Moderated
    May 1, 2009 4:59 PM (in response to vries)
    Re: Support Ticket: no respons

    Rene,

     

    I can reproduce this here on our Intel machine here in support but our QA department cannot repro on any of their machines including AMD.

     

    I've logged a bug to bump it up the latter so let's continue to use the support ticket we have open to trou9bleshoot this. Thanks.

     

     

    Line6Miller

    • vries Iknowathingortwo
      vries
      261 posts since
      Nov 6, 2007
      Currently Being Moderated
      May 2, 2009 1:01 PM (in response to ricksox)
      Re: Support Ticket: no respons

      Thanks but I don't understand why this has to take so long.

      It's been now over two months since my support ticket was opened, now it seems that QA has not yet been working on a fix.

      If you are able to reproduce then you would also be able to say how you were able to reproduce and forward this to QA so they can provide a bugfix.

      Since you acknowledge that it is an actual bug something should be done about it.

       

      Rene

       

      ps can you tell if you have excactly the same spikes as me (every 15 seconds, 100% CPU usage on the second processor of the dual core pc), this could help to understand the cause.

  • Line6Hugo Line 6
    Line6Hugo
    6,556 posts since
    Apr 8, 2007
    Currently Being Moderated
    May 5, 2009 9:31 AM (in response to vries)
    Re: Support Ticket: no respons

    Some problems take more time to solve than others and I can see that you have recently responded to you open ticket.  Make sure to continue your communication through the support ticket regarding your issue.

     

    Regards,

     

    Line6Hugo 

  • ricksox UberGuru
    ricksox
    11,641 posts since
    Mar 28, 2006
    Currently Being Moderated
    Nov 20, 2009 11:47 AM (in response to vries)
    RE: Support Ticket: no respons

    Hello,

       

      I have responded to your support ticket. Thanks.

       

       

      Line6Miller

    • vries Iknowathingortwo
      vries
      261 posts since
      Nov 6, 2007
      Currently Being Moderated
      Dec 3, 2009 1:57 AM (in response to ricksox)
      Re: RE: Support Ticket: no respons

      Dear Line6,

       

      again since my latest addition to my supportticket of the 23rd of november I did not get a reply from you so I am posting here.

      I hope you don't mind but 10 days would seem long enough to get a reply.

       

      Firstly you asked me for a video or screenshots of the CPU-spikes, I replied that I have already sent a screenshot of the spikes (this was in my original post on this subject in the old Line6 forumhttp://line6.com/supportarchive/thread/53678). I asked you what more you would need but did not get a reply so far. I would be happy to send you the screenshot again or any other info you need, but please tell me so.

       

      Secondly you state that you did not get any reports from other endusers experiencing the CPU-spikes but in a reply to my original post you say

      "other people have reported similar issues involving other DAWs". This, in my view,  is a contradiction. How can I understand this?

       

      I understand that if you are not able to reproduce my CPU-spikes that you cannot find a solution but since the start of my supportticket I had the impression that you are working on it (L6Miller was able to reproduce at a certain point) and now the investigation seems to come to a halt.

      So in short: does the matter still have a certain priority?

       

      Rene

      • Rowbi Expert Line 6 User
        Rowbi
        7,549 posts since
        Nov 25, 2006
        Currently Being Moderated
        Dec 8, 2009 5:05 AM (in response to vries)
        Re: RE: Support Ticket: no respons

        vries wrote:

         

        Dear Line6,

         

        again since my latest addition to my supportticket of the 23rd of november I did not get a reply from you so I am posting here.

        I hope you don't mind but 10 days would seem long enough to get a reply.

         

        Firstly you asked me for a video or screenshots of the CPU-spikes, I replied that I have already sent a screenshot of the spikes (this was in my original post on this subject in the old Line6 forumhttp://line6.com/supportarchive/thread/53678). I asked you what more you would need but did not get a reply so far. I would be happy to send you the screenshot again or any other info you need, but please tell me so.

         

        Secondly you state that you did not get any reports from other endusers experiencing the CPU-spikes but in a reply to my original post you say

        "other people have reported similar issues involving other DAWs". This, in my view,  is a contradiction. How can I understand this?

         

        I understand that if you are not able to reproduce my CPU-spikes that you cannot find a solution but since the start of my supportticket I had the impression that you are working on it (L6Miller was able to reproduce at a certain point) and now the investigation seems to come to a halt.

        So in short: does the matter still have a certain priority?

         

        Rene

        hey rene

         

        I realise this is mostly aimed at line6, but I've recently built a new daw pc and had some DPC latency spikes that I managed to get rid of.  perhaps we (the forum users) could tyr to help you in your quest?  but we're lacking some info, like your system specs and OS version.  also what you've already done to try and fix this.  my gut feeling is that if you're running vista, I'd seriously think about getting hold of a cheap HDD and rebuilding with XP just to see if it's better, as I have seen so many issues with vista and far less (but still more than XP) with windows 7.

        • vries Iknowathingortwo
          vries
          261 posts since
          Nov 6, 2007
          Currently Being Moderated
          Dec 9, 2009 4:05 AM (in response to Rowbi)
          Support Ticket: CPU-spikes

          thanks for the input Rowbi,

           

          I can do my audiowork on my system but with some limitation on CPU-power (limited by the amount of plugins I can use)

          but I keep wondering if these spikes affect performance.

           

          installing XP is not an option but maybe other users can shed a light.

           

          my specs:

          Athlon64 X2 5000+, 2.6GHz, 4 Gb RAM

          Vista Home Premium

          Toneport UX1

          Alesis ControlPad, Korg Nanokontrol, Behringer UMX25, all connected via seperate USB.

          MyBook external HD firewire connected.

           

           

          The regular 15second interval CPU-spikes appear when I open iTunes or Ableton Live8 with UX1 as soundcard,

          when using the pc's internal soundcard the spikes are not present.

          The processor-spikes coincide with DPC-latency spikes.

          Only the second processorcore is affected.

          The CPU-spikes increase in size with lowering of the tonedirectmonitoring buffer (up to 100% on the second core, and about 50% with tonedirectmonitoring set one tick to the right, with even lower setting the spikes remain the same).

          The spikes are not there when only podfarm-standalone is opened.

          The CPU-cycles of a file called l6tpux1.dll are increased during the spikes (as reported by processexplorer).

          My ToneportGX gives the same results so it's not the Toneport causing the trouble.

           

          So far I have tried turning off every application but podfarm and/or itunes/Live8 besides

          disabeling networkcards, internal soundcard and turning off

          windows indexing.

          All this off course after the Vista-optimizations for best audio-performance and using all the latest drivers.

           

          To me as a computernoob it seems the culprit has to be some part of the line6-software since the spikes are so clearly connected with it.

          Also the regular 15 second pattern could be an indication of a cause?

           

          Please tell me if I forgot to mention anything important.

           

           

          Rene

          • Rowbi Expert Line 6 User
            Rowbi
            7,549 posts since
            Nov 25, 2006
            Currently Being Moderated
            Dec 9, 2009 5:41 AM (in response to vries)
            Re: Support Ticket: CPU-spikes

            yeah it does sound like you're right on what's causing the issue.

             

            it's a shame installing xp isn't an option, as remember that drivers can support different OS's in a different way.  although I'm not blaming it for your issues, vista is a terrible OS... .it really is for audio work.  and although it may not fix your issue, it might be worth investing in a windows 7 upgrade (it's about the first windows OS that actually works well when you upgrade it, and fixes some performance issues.

             

            i actually have access to a lot of computers (part of my job is scripting software installs for a standard set of applications for teams of people at work.  so I have 6 high spec'd workstations (we do a lot of CAD) next to my desk.... but alas, they're all intel CPU's the same series as what I use at home.

  • ricksox UberGuru
    ricksox
    11,641 posts since
    Mar 28, 2006
    Currently Being Moderated
    Dec 3, 2009 8:21 AM (in response to vries)
    RE: Support Ticket: no respons

    Hello,

       

      I was able to produce small intermittent spikes every few seconds or so on the Vista machine we have here in our support offices however, nothing nearly to the extent of what you claim is happening on your computer. Our QA department cannot reproduce on any of their machines.

       

      I have heard of other end users claiming of having certain CPU spikes however, each time I tried to follow up I never got a response.

       

      I'm not sure where to take this at this point. If we can't reproduce there isn't much we can do. I have logged this issue in detail in our bug database so it is in their.

       

      Have you tried turning off any processes that may be running in the background? Indexing? Anything?

       

      If you have then I'm afraid that I can't help you. If you could try to reproduce on another computer then that would be helpful. That's pretty much the last thing we can try.

       

      Line6Miller

       

    • vries Iknowathingortwo
      vries
      261 posts since
      Nov 6, 2007
      Currently Being Moderated
      Dec 8, 2009 1:46 AM (in response to ricksox)
      Re: RE: Support Ticket: no respons

      Hi, tnx for the reply, I turned off everything possible so it looks like there is no solution for this problem.

      I tried my toneport-UX1 and -GX on the same pc with the same results.

      Unfortunately I don't have another pc to try to reproduce (but then I don't know what good that could do).

      Anyway thanks for your time.

       

      Rene

  • Rowbi Expert Line 6 User
    Rowbi
    7,549 posts since
    Nov 25, 2006
    Currently Being Moderated
    Dec 10, 2009 5:07 AM (in response to vries)
    Re: Support Ticket: CPU-spikes

    http://line6.com/community/thread/22237?tstart=30

    • vries Iknowathingortwo
      vries
      261 posts since
      Nov 6, 2007
      Currently Being Moderated
      Dec 10, 2009 5:40 AM (in response to Rowbi)
      Re: Support Ticket: CPU-spikes

      this links to a nonexisting page.

      • Rowbi Expert Line 6 User
        Rowbi
        7,549 posts since
        Nov 25, 2006
        Currently Being Moderated
        Dec 10, 2009 7:50 AM (in response to vries)
        Re: Support Ticket: CPU-spikes

        try this: http://line6.com/community/thread/22237

        • vries Iknowathingortwo
          vries
          261 posts since
          Nov 6, 2007
          Currently Being Moderated
          Dec 14, 2009 2:35 AM (in response to Rowbi)
          Re: Support Ticket: CPU-spikes

          it seems that when I increase the tonedirectmontoringbuffer to about halfway, the spikes disappear although there is a small increase in the average CPU-consumption and what's worse, I get crackles and dropouts with the same asio4all buffersetting (160samples=8ms overall latency).

           

          I do not understand the relation between the settings of podfarmstandalone and asio4all when running them at the same time.

          Increasing tonedirectbuffer compromises asio4all stability but changing the default buffersize in PF-standalone does not. The latter makes sense because PF-standalone reports having "no asioclient"  so the defaultbuffer does not matter, but how does the tonedirectbuffer influence asio4all-stability? Asio4all seems to work better with lower PF-tonedirectsettings but I would expect the opposite.

          As I monitor podfarmplugin through Live8 I do not use tonedirectmonitoring but I do need podfarmstandalone running alongside Live8 to be able to choose guitar/mic-input, mute monitors and tune my guitar.

           

          Another thing I noticed is that there are Line6-drivers AND windowsdrivers installed for the UX1, could there be a conflict, can I disable the windowsdrivers?

           

          thanks for any insights.

  • ricksox UberGuru
    ricksox
    11,641 posts since
    Mar 28, 2006
    Currently Being Moderated
    Dec 22, 2009 4:24 PM (in response to vries)
    RE: Support Ticket: CPU-spikes

    Rene,

       

      You have a lot of other audio devices connected to your computer. Out of curiosity, and for the sake of finding the root cause here, have you tried uninstalling all other USB audio device drivers you have installed on your PC? I know it's extremely arduous but it may be worth it if it helps us find the culprit of your spikes.

       

      Line6Miller

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