Re: [Sndobj-devel] JackIO seg fault

[victor <Vic...@nu...>]

I think the buffers might need protecting. I am a  bit tied up now, but I'll
see if I can take a look later.
  ----- Original Message ----- 
  From: Daniel Skinner 
  To: victor ; sndobj 
  Sent: Thursday, June 11, 2009 4:46 PM
  Subject: Re: [Sndobj-devel] JackIO seg fault


  Hey I have an update on the segfaulting issue with jack

  The upgrade of jack did seem to alleviate the problem at the time but as soon as i started using jack in realtime the problem occured again and more often.

  So i was trying to see if i could deduce something in gdb but to no avail, so i went to the JProcess in SndJackIO.cpp where the jack_port_get_buffer was getting called and i tossed in some cout << vars in the for loop to see how they compared to when its working vs not.

  So i got it compiled and started running it, and it never segfaulted, realtime or not, at different sample rates, i went the whole nine yards. I dont know how some std::cout lines would change that unless the writing to stdout is causing enough of a delay to make something accessible. This thought almost fits into whats happening where it sporadically works.

  Im going to continue running this modified version that prints to stdout for my session tonight, then tomorrow im going to revert to the original to reproduce the segfault so i have some solid data


  On Thu, Jun 4, 2009 at 12:43 PM, victor <Vic...@nu...> wrote:

    I will have a look...
      ----- Original Message ----- 
      From: Daniel Skinner 
      To: sndobj 
      Sent: Thursday, June 04, 2009 5:40 PM
      Subject: Re: [Sndobj-devel] JackIO seg fault


      Well i just installed the latest jack from svn, 1.9.3 and it seems to be a non issue, no segfaulting. So maybe it can be ignored? i dunno, maybe theres something there that could be improved



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