Bug#432208: jackd: jack_impulse_grabber -d 1 -f gnuplot # instantly segfaults

[Helmut Grohne <helmut@subdivi.de>]

Package: jackd
Version: 0.103.0-6
Severity: normal

$ jackd -d alsa
jackd 0.103.0
Copyright 2001-2005 Paul Davis and others.
jackd comes with ABSOLUTELY NO WARRANTY
This is free software, and you are welcome to redistribute it
under certain conditions; see the file COPYING for details

JACK compiled with System V SHM support.
loading driver ..
Enhanced3DNow! detected
SSE2 detected
creating alsa driver ... hw:0|hw:0|1024|2|48000|0|0|nomon|swmeter|-|32bit
control device hw:0
configuring for 48000Hz, period = 1024 frames, buffer = 2 periods
ALSA: final selected sample format for capture: 16bit little-endian
ALSA: use 2 periods for capture
ALSA: final selected sample format for playback: 16bit little-endian
ALSA: use 2 periods for playback
...

Another terminal:
$ $ LD_LIBRARY_PATH=/usr/lib/debug gdb jack_impulse_grabber
GNU gdb 6.6-debian
Copyright (C) 2006 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you are
welcome to change it and/or distribute copies of it under certain conditions.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB.  Type "show warranty" for details.
This GDB was configured as "x86_64-linux-gnu"...
(no debugging symbols found)
Using host libthread_db library "/usr/lib/debug/libthread_db.so.1".
(gdb) run -d 1 -f gnuplot
Starting program: /usr/bin/jack_impulse_grabber -d 1 -f gnuplot
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
[Thread debugging using libthread_db enabled]
[New Thread 47906084277680 (LWP 14163)]

Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 47906084277680 (LWP 14163)]
0x0000000000400e8e in ?? ()
(gdb) bt full
#0  0x0000000000400e8e in ?? ()
No symbol table info available.
#1  0x00002b9200ef4b04 in __libc_start_main (main=0x400d80 <fprintf@plt+224>, argc=5, ubp_av=0x7fffaa8b3fa8, 
    init=<value optimized out>, fini=<value optimized out>, rtld_fini=<value optimized out>, stack_end=0x7fffaa8b3f98)
    at libc-start.c:222
        result = <value optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {47906069478400, -9024157289526854137, 0, 140736054640544, 0, 0, 
        9024252506777058823, -3033243483830616569}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x401420, 
      0x7fffaa8b3fa8}, data = {prev = 0x0, cleanup = 0x0, canceltype = 4199456}}}
        not_first_call = <value optimized out>
#2  0x0000000000400cd9 in ?? ()
No symbol table info available.
#3  0x00007fffaa8b3f98 in ?? ()
No symbol table info available.
#4  0x0000000000000000 in ?? ()
No symbol table info available.
(gdb) 

Do you need any other information?

Helmut

-- System Information:
Debian Release: lenny/sid
  APT prefers unstable
  APT policy: (500, 'unstable'), (1, 'experimental')
Architecture: amd64 (x86_64)

Kernel: Linux 2.6.20.1 (SMP w/2 CPU cores)
Locale: LANG=en_US, LC_CTYPE=en_US (charmap=ISO-8859-1)
Shell: /bin/sh linked to /bin/dash

Versions of packages jackd depends on:
ii  libc6                         2.6-0exp2  GNU C Library: Shared libraries
ii  libflac8                      1.1.4-3    Free Lossless Audio Codec - runtim
ii  libjack0                      0.103.0-6  JACK Audio Connection Kit (librari
ii  libogg0                       1.1.3-2    Ogg Bitstream Library
ii  libsndfile1                   1.0.17-3   Library for reading/writing audio 

Versions of packages jackd recommends:
ii  libpam-modules                0.79-4     Pluggable Authentication Modules f
ii  qjackctl                      0.2.22-2   User interface for controlling the

-- no debconf information