[PD] PD 0.48-0 test3 segfaults with Jack and rt on Linux

IOhannes m zmölnig zmoelnig at iem.at
Thu Jul 20 22:27:26 CEST 2017


On 07/20/2017 10:19 PM, IOhannes m zmölnig wrote:
> On 07/20/2017 10:09 PM, Max wrote:
>> It stayed the same with test3. Is anyone else running it fine with Jack
>> on Linux? I'd like to compare the setup (jack versions??) to help narrow
>> it down.
> 
> 
> yes, i'm running Pd with jack without a problem (Debian/sid)


jackd2: 1.9.10+20150825git1ed50c92~dfsg-5

so i think we *do* need a backtrace.
compile Pd with "--enable-debug", then:

~~~
$ gdb ./pd
(gdb) run
[...]
(gdb) bt
~~~

(in your last attempt you forgot the crucial last command "bt", which
will print out the actual backtrace)

don't get confused by the "watchdog: signaling pd..." messages (i
suggested to use "-nrt" to get rid of those messages; but since the
problem can only be seen with "-rt", you have to get through that...or
remove the offending line src/s_watchdog.c:49 before recompilation...)

you might also want to read [1] to produce an even better backtrace.

gfmsard
IOhannes

[1] https://wiki.debian.org/HowToGetABacktrace#Running_gdb

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