[LAU] SO-666 crashes Ardour [now SO-666 crashes Qtractor]

[Rui Nuno Capela]

On 03/11/2011 09:14 PM, Rui Nuno Capela wrote:
> On 03/11/2011 05:46 PM, Kim Cascone wrote:
>>> You can work around it by using the following magic:
>>>
>>>    $ rm -rf debian/source
>>>    $ sed -i s/1-1/1/ debian/changelog
>>>
>>> And then:
>>>
>>>    $ dpkg-buildpackage -uc -us
>>
>>
>> gabriel&  Jeremy
>>
>> thanks for the help - the magic workaround worked for building the plugs :)
>>
>> I'm assuming that everything needs to move to the proper locations
>> indicated by the file structure in the debian directory
>>
>> so...
>>
>> /home/kim/Desktop/downloads/jeremysalwen-So-synth-LV2-e399ee2/debian/so-synth-lv2/usr/lib/lv2/
>>
>>
>> copies to:
>>
>> /usr/lib/lv2/
>>
>>
>> and
>>
>> /home/kim/Desktop/downloads/jeremysalwen-So-synth-LV2-e399ee2/debian/so-synth-lv2/usr/share/doc/
>>
>>
>>
>> goes into /usr/share/doc/
>>
>>
>> which I did
>>
>> -----------------------------------
>> next I tested it by
>>
>> launching Qtractor 0.4.8
>>
>> creating a track
>>
>> added the LV2 SO-666 plug
>>
>> and immediately the app crashed
>>
>> also, tried with the bass and piano plugs following the same procedure
>>
>> and the same thing happened
>>
>> report from syslog:
>>
>> kim-studio kernel: qtractor[12969]: segfault at 10 ip b366cde0 sp
>> b22a4f30 error 4 in libsosynth.so[b366c000+3000]
>> Mar 11 09:41:06 kim-studio kernel: qtractor[12988]: segfault at 10 ip
>> b34ec220 sp b2122f50 error 4 in libsosynth.so[b34ea000+3000]
>> Mar 11 09:43:04 kim-studio kernel: qtractor[13013]: segfault at 10 ip
>> b36ff758 sp b22d5f30 error 4 in libsosynth.so[b36fe000+3000]
>>
> 
> which track type?
> 
> apparently there's this issue where qtractor crashes when one adds a
> midi instrument lv2 plugin (aka synth) to an audio track (or bus), which
> is a mistake to start with--i'm still investigating which fault it is,
> either host's or plugin's :/
> 

apparently again, it's a lv2 host implementation issue :) fixed on svn
trunk today (qtractor 0.4.8.39+)

you can now add midi instrument plugins to audio tracks, hopefully
without crashing the whole show, never mind it serves no real business ;)

hth
-- 
rncbc aka Rui Nuno Capela
rncbc at rncbc.org