[pulseaudio-discuss] Please help me to understand this

Claude Frantz ClaudeFrantzX665 at lavabit.com
Wed Apr 13 09:03:08 PDT 2011

Hello !

While running a program, it entered a fatal error state. See about the 
backtrace when running under gdb.

I'm not sure if this is an error in pulseaudio and if this bug is known.

Please help me. Many thanks !


Program received signal SIGSEGV, Segmentation fault.
pa_atomic_load (l=0x5a81471c) at pulsecore/atomic.h:57
57	    return a->value;
(gdb) bt
#0  pa_atomic_load (l=0x5a81471c) at pulsecore/atomic.h:57
#1  pa_flist_pop (l=0x5a81471c) at pulsecore/flist.c:191
#2  0x0738e680 in mempool_allocate_slot (p=0xadc0b9c0)
     at pulsecore/memblock.c:250
#3  0x07390a4a in pa_memblock_new_pool (p=0xadc0b9c0, length=40960)
     at pulsecore/memblock.c:325
#4  0x07390b80 in pa_memblock_new (p=0xadc0b9c0, length=40960)
     at pulsecore/memblock.c:213
#5  0x0703a308 in pa_stream_write (s=0xadc02e08, data=0xadc052a8,
     length=40960, free_cb=0, offset=0, seek=PA_SEEK_RELATIVE)
     at pulse/stream.c:1354
#6  0x009b8c65 in ?? () from /usr/lib/alsa-lib/libasound_module_pcm_pulse.so
#7  0x0427cb92 in ?? () from /lib/libasound.so.2
#8  0x042392e8 in ?? () from /lib/libasound.so.2
#9  0x0427cf97 in ?? () from /lib/libasound.so.2
#10 0x04231af5 in snd_pcm_writei () from /lib/libasound.so.2
#11 0x0142943e in ?? () from /usr/lib/libportaudio.so.2
#12 0x014299c8 in ?? () from /usr/lib/libportaudio.so.2
#13 0x0142e37d in ?? () from /usr/lib/libportaudio.so.2
#14 0x01423f4a in Pa_WriteStream () from /usr/lib/libportaudio.so.2
#15 0xae564a1d in soundout_ (idevout=0xae58fd6c, nrate0=0xae582e64,
     recordedSamples=0xb2d16500, nframes0=0xae55f35c, iqmode=0xae58fdb8)
     at sound.c:134
---Type <return> to continue, or q <return> to quit---
#16 0xae56c91e in tx () at tx.f90:198
#17 0x00458e99 in start_thread () from /lib/libpthread.so.0
#18 0x00397d2e in clone () from /lib/libc.so.6

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