Re: [Sndobj-devel] JackIO seg fault

[siris p. <sir...@gm...>]

yeah, jack can be very tempermental about buffers. Have you tried changing
the buffer size or the num frames/period?

On Thu, Jun 11, 2009 at 1:22 PM, victor <Vic...@nu...> wrote:

>  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 <das...@gm...>
> *To:* victor <Vic...@nu...> ; sndobj<snd...@li...>
> *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 <das...@gm...>
>> *To:* sndobj <snd...@li...>
>> *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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>
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