(gdb) thread apply all bt full

Thread 13 (Thread 0x7fffeb18c700 (LWP 885)):
#0  0x00007ffff770907f in pthread_cond_wait@@GLIBC_2.3.2 () from /usr/lib/libpthread.so.0
No symbol table info available.
#1  0x0000000001176bfb in LogStreamPrivate::run() ()
No symbol table info available.
#2  0x000000000125c1ea in SGThread::PrivateData::start_routine(void*) ()
No symbol table info available.
#3  0x00007ffff77034a4 in start_thread () from /usr/lib/libpthread.so.0
No symbol table info available.
#4  0x00007ffff294a13d in clone () from /usr/lib/libc.so.6
No symbol table info available.

Thread 12 (Thread 0x7fffdc19f700 (LWP 884)):
#0  0x00007ffff294118d in poll () from /usr/lib/libc.so.6
No symbol table info available.
#1  0x00007fffcd1355e6 in ?? () from /usr/lib/libasound.so.2
No symbol table info available.
#2  0x00007ffff7bae55a in ?? () from /usr/lib/libopenal.so.1
No symbol table info available.
#3  0x00007ffff7bb70d7 in ?? () from /usr/lib/libopenal.so.1
No symbol table info available.
#4  0x00007ffff77034a4 in start_thread () from /usr/lib/libpthread.so.0
No symbol table info available.
#5  0x00007ffff294a13d in clone () from /usr/lib/libc.so.6
No symbol table info available.

Thread 10 (Thread 0x7fffdffff700 (LWP 882)):
#0  0x00007ffff770907f in pthread_cond_wait@@GLIBC_2.3.2 () from /usr/lib/libpthread.so.0
No symbol table info available.
#1  0x000000000117fdcb in (anonymous namespace)::Resolver::run() ()
No symbol table info available.
---Type <return> to continue, or q <return> to quit---
#2  0x000000000125c1ea in SGThread::PrivateData::start_routine(void*) ()
No symbol table info available.
#3  0x00007ffff77034a4 in start_thread () from /usr/lib/libpthread.so.0
No symbol table info available.
#4  0x00007ffff294a13d in clone () from /usr/lib/libc.so.6
No symbol table info available.

Thread 7 (Thread 0x7fffe5d4f700 (LWP 879)):
#0  0x00007ffff7fc45eb in ?? ()
No symbol table info available.
#1  0x0000000001cb2440 in ?? ()
No symbol table info available.
#2  0x00007fffe5d4d740 in ?? ()
No symbol table info available.
#3  0x0000000000000007 in ?? ()
No symbol table info available.
#4  0x0000000000000000 in ?? ()
No symbol table info available.

Thread 6 (Thread 0x7fffe6755700 (LWP 878)):
#0  0x00007ffff770907f in pthread_cond_wait@@GLIBC_2.3.2 () from /usr/lib/libpthread.so.0
No symbol table info available.
#1  0x00007fffea16e04a in cnd_wait (mtx=0x1bd7c58, cond=0x1bd7c80) at ../../../../../include/c11/threads_posix.h:154
No locals.
#2  pipe_semaphore_wait (sema=0x1bd7c58) at ../../../../../src/gallium/auxiliary/os/os_thread.h:259
No locals.
#3  radeon_drm_cs_emit_ioctl (param=param@entry=0x1bd7910) at radeon_drm_winsys.c:644
        ws = 0x1bd7910
        cs = <optimized out>
        i = <optimized out>
#4  0x00007fffea16d787 in impl_thrd_routine (p=<optimized out>) at ../../../../../include/c11/threads_posix.h:87
        pack = {func = 0x7fffea16dff0 <radeon_drm_cs_emit_ioctl>, arg = 0x1bd7910}
---Type <return> to continue, or q <return> to quit---
#5  0x00007ffff77034a4 in start_thread () from /usr/lib/libpthread.so.0
No symbol table info available.
#6  0x00007ffff294a13d in clone () from /usr/lib/libc.so.6
No symbol table info available.

Thread 1 (Thread 0x7ffff7ee5800 (LWP 870)):
#0  0x00007ffff770907f in pthread_cond_wait@@GLIBC_2.3.2 () from /usr/lib/libpthread.so.0
No symbol table info available.
#1  0x00007ffff5bdc1ee in OpenThreads::Condition::wait(OpenThreads::Mutex*) () from /usr/lib/libOpenThreads.so.20
No symbol table info available.
#2  0x00007ffff665a898 in osgViewer::ViewerBase::renderingTraversals() () from /usr/lib/libosgViewer.so.100
No symbol table info available.
#3  0x0000000000d64edb in fgOSMainLoop ()
    at /home/cesar/compilation/pkg/flightgear3.4/src/flightgear-3.4.0/src/Viewer/fg_os_osgviewer.cxx:335
No locals.
#4  0x0000000000725fef in fgMainInit (argc=16, argv=<optimized out>)
    at /home/cesar/compilation/pkg/flightgear3.4/src/flightgear-3.4.0/src/Main/main.cxx:519
        version = "3.4.0"
        col = <optimized out>
        configResult = <optimized out>
        showLauncher = <optimized out>
        result = <optimized out>
#5  0x00000000006d48aa in main (argc=16, argv=0x7fffffffe3c8)
    at /home/cesar/compilation/pkg/flightgear3.4/src/flightgear-3.4.0/src/Main/bootstrap.cxx:234
        _hostname = "ultima-dbr\000\000\000\000\000\000[\000\000\000n", '\000' <repeats 19 times>, "w\000\000\000|\000\000\000pF\270\363\377\177\000\000В\217\001\000\000\000\000\200qG\001\000\000\000\000\300qG\001\000\000\000\000\003\000\000\000\000\000\000\000Xwh\363\377\177\000\000\003\000\000\000\000\000\000\000\000\361\244Q\354\320G\017\020\004\000\000\000\000\000\000@qG\001\000\000\000\000yF\270\363\377\177\000\000\200qG\001\000\000\000\000\300qG\001\000\000\000\000\201\062h\363\377\177\000\000В\217\001\000\000\000\000\000\361\244Q\354\320G\017\200qG\001\000\000\000\000\030\002\000\000\000\000\000\000\032\002\000\000\000\000\000\000\031\002"...
        fgviewer = false