audiodevinfo segfault on Debian when jackd is running

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audiodevinfo segfault on Debian when jackd is running

Peter P.-2
Hi list,

Octave 4.0.3 on a Debian (testing) system segfaults when calling
audiodevinfo() and the jackd sound server is running. I am including the backtrace below.
I wonder if this is know. Let me know how I can help furter, thanks!
P

(gdb) run
Starting program: /usr/lib/x86_64-linux-gnu/octave/4.0.3/exec/x86_64-pc-linux-gnu/octave-gui --no-gui -q
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[New Thread 0x7fffd980e700 (LWP 8754)]
>> audiodevinfo ()
ALSA lib pcm_dsnoop.c:618:(snd_pcm_dsnoop_open) unable to open slave
ALSA lib pcm_dmix.c:1052:(snd_pcm_dmix_open) unable to open slave
ALSA lib pcm.c:2495:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.rear
ALSA lib pcm.c:2495:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.center_lfe
ALSA lib pcm.c:2495:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.side
ALSA lib pcm_dsnoop.c:618:(snd_pcm_dsnoop_open) unable to open slave
ALSA lib pcm_dmix.c:1052:(snd_pcm_dmix_open) unable to open slave
ALSA lib pcm_dmix.c:1052:(snd_pcm_dmix_open) unable to open slave
[New Thread 0x7fffd34e7700 (LWP 8821)]
[New Thread 0x7fffd8092700 (LWP 8824)]

Thread 4 "QThread" received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0x7fffd8092700 (LWP 8824)]
0x00007fffd38b1bf0 in ?? () from /usr/lib/x86_64-linux-gnu/libjack.so.0
(gdb) bt
#0  0x00007fffd38b1bf0 in  () at /usr/lib/x86_64-linux-gnu/libjack.so.0
#1  0x00007fffd38b1fb9 in  () at /usr/lib/x86_64-linux-gnu/libjack.so.0
#2  0x00007ffff44f7494 in start_thread () at /lib/x86_64-linux-gnu/libpthread.so.0
#3  0x00007ffff423babf in clone () at /lib/x86_64-linux-gnu/libc.so.6

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Re: audiodevinfo segfault on Debian when jackd is running

Mike Miller-4
On Sun, Sep 03, 2017 at 19:35:02 +0200, Peter P. wrote:
> Octave 4.0.3 on a Debian (testing) system segfaults when calling
> audiodevinfo() and the jackd sound server is running. I am including the backtrace below.
> I wonder if this is know. Let me know how I can help furter, thanks!

If you are on Debian testing, you should have Octave 4.2.1 installed.
First, please update your system and test it again.

If the crash continues to occur in Octave 4.2.1, you should file a
Debian bug with reportbug. It would be helpful to know if it also occurs
with octave-cli or only with octave-gui.

--
mike

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Re: audiodevinfo segfault on Debian when jackd is running

Peter P.-2
* Mike Miller <[hidden email]> [2017-09-03 21:23]:
> On Sun, Sep 03, 2017 at 19:35:02 +0200, Peter P. wrote:
> > Octave 4.0.3 on a Debian (testing) system segfaults when calling
> > audiodevinfo() and the jackd sound server is running. I am including the backtrace below.
> > I wonder if this is know. Let me know how I can help furter, thanks!
>
> If you are on Debian testing, you should have Octave 4.2.1 installed.
> First, please update your system and test it again.
Thanks! My octave installation was indeed held on 4.0.3 due to a
dependency to the (now removed) octave-audio package.
 
> If the crash continues to occur in Octave 4.2.1, you should file a
> Debian bug with reportbug. It would be helpful to know if it also occurs
> with octave-cli or only with octave-gui.
The bug persists in 4.2.1 and with and without gui. I filed a Debian bug
number 874208

P

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