toxic segfault 2014-08-08

gistfile1.txt

Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0x7f681ecbe700 (LWP 22964)]
alcCaptureSamples (device=0x0, buffer=0x7f681ecb6230, samples=960)
    at /var/tmp/portage/media-libs/openal-1.15.1-r2/work/openal-soft-1.15.1/Alc/ALc.c:3056
3056    /var/tmp/portage/media-libs/openal-1.15.1-r2/work/openal-soft-1.15.1/Alc/ALc.c: No such file or directory.
(gdb) bt
#0  alcCaptureSamples (device=0x0, buffer=0x7f681ecb6230, samples=960)
    at /var/tmp/portage/media-libs/openal-1.15.1-r2/work/openal-soft-1.15.1/Alc/ALc.c:3056
#1  0x00007f6826d35d6f in thread_poll (arg=0x0) at ../src/device.c:427
#2  0x00007f6823b695cd in start_thread (arg=0x7f681ecbe700) at pthread_create.c:309
#3  0x00007f682389e67d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
(gdb) c
Continuing.
[Thread 0x7f681dc7b700 (LWP 27529) exited]

Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0x7f6818442700 (LWP 27536)]
0x0000000000000000 in ?? ()
(gdb) bt
#0  0x0000000000000000 in ?? ()
#1  0x00007f6824b4acf5 in aluMixData (device=device@entry=0x7f683c95e1a0, 
    buffer=0x7f67fedaca30, size=4088)
    at /var/tmp/portage/media-libs/openal-1.15.1-r2/work/openal-soft-1.15.1/Alc/ALu.c:987
#2  0x00007f6824b5ca14 in PulseProc (param=0x7f683c95e1a0)
    at /var/tmp/portage/media-libs/openal-1.15.1-r2/work/openal-soft-1.15.1/Alc/backends/pulseaudio.c:846
#3  0x00007f6824b504fe in StarterFunc (ptr=0x7f683ca5e130)
    at /var/tmp/portage/media-libs/openal-1.15.1-r2/work/openal-soft-1.15.1/Alc/alcThread.c:96
#4  0x00007f6823b695cd in start_thread (arg=0x7f6818442700) at pthread_create.c:309
#5  0x00007f682389e67d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111