Starting program: /usr/games/supertuxkart 
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
Irrlicht Engine version 1.7.3
Linux 3.4-2.slh.3-aptosid-amd64 #1 SMP PREEMPT Fri Jun 15 16:00:55 UTC 2012 x86_64
[FileManager] Data files will be fetched from: '/usr/share/games/supertuxkart'
[FileManager] Addons files will be stored in '/home/dave/.local/share/supertuxkart/addons'.
[translate] Env var LANGUAGE = 'en_US.utf8'
[translate] Env var LANGUAGE = 'en_US.utf8', which corresponds to 'English (United States)'
Adding language fallback en
[IrrDriver] Trying OpenGL rendering.
[New Thread 0x7fffedbe3700 (LWP 10912)]
[IrrDriver Temp Logger] Level 2: Unsupported texture format
[IrrDriver Temp Logger] Level 2: Unsupported texture format
[New Thread 0x7fffe7fff700 (LWP 10914)]
[New Thread 0x7fffe535f700 (LWP 10915)]
[Thread 0x7fffe535f700 (LWP 10915) exited]
[New Thread 0x7fffe535f700 (LWP 10916)]
Error messages and other text output will be logged to /home/dave/.config/supertuxkart/stdout.log and /home/dave/.config/supertuxkart/stderr.log

Program received signal SIGSEGV, Segmentation fault.
0x00000000006cbb95 in ?? ()
(gdb) thread apply all bt

Thread 5 (Thread 0x7fffe535f700 (LWP 10916)):
#0  0x00007ffff5082a93 in *__GI___poll (fds=<optimized out>, fds@entry=0x7fffe535edc0, nfds=<optimized out>, nfds@entry=1, timeout=timeout@entry=1000)
    at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007fffe48bfa8f in snd1_pcm_wait_nocheck (pcm=0x10abd80, timeout=1000) at pcm.c:2396
#2  0x00007ffff5d20be8 in ?? () from /usr/lib/x86_64-linux-gnu/libopenal.so.1
#3  0x00007ffff5d1854a in ?? () from /usr/lib/x86_64-linux-gnu/libopenal.so.1
#4  0x00007ffff795ab50 in start_thread (arg=<optimized out>) at pthread_create.c:304
#5  0x00007ffff508d6dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#6  0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7fffe7fff700 (LWP 10914)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00000000004c1afb in NetworkHttp::mainLoop(void*) ()
#2  0x00007ffff795ab50 in start_thread (arg=<optimized out>) at pthread_create.c:304
#3  0x00007ffff508d6dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#4  0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7fffedbe3700 (LWP 10912)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007fffee238983 in ?? () from /usr/lib/x86_64-linux-gnu/dri/r600_dri.so
#2  0x00007ffff795ab50 in start_thread (arg=<optimized out>) at pthread_create.c:304
#3  0x00007ffff508d6dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#4  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7ffff7fc5740 (LWP 10909)):
#0  0x00000000006cbb95 in ?? ()
#1  0x000000000066cff5 in btRaycastVehicle::~btRaycastVehicle() ()
#2  0x000000000066d059 in btRaycastVehicle::~btRaycastVehicle() ()
#3  0x00007ffff6fb561c in irr::scene::CSkinnedMesh::recoverJointsFromMesh (this=0x7fffe819bd00, JointChildSceneNodes=...) at CSkinnedMesh.cpp:1257
#4  0x00007ffff6fccd27 in getMeshForCurrentFrame (this=0x7772ef0) at CAnimatedMeshSceneNode.cpp:217
#5  irr::scene::CAnimatedMeshSceneNode::getMeshForCurrentFrame (this=0x7772ef0) at CAnimatedMeshSceneNode.cpp:194
#6  0x00007ffff6fccda7 in irr::scene::CAnimatedMeshSceneNode::OnAnimate (this=0x7772ef0, timeMs=2656503) at CAnimatedMeshSceneNode.cpp:245
#7  0x00000000004fde34 in irr::scene::ISceneNode::OnAnimate(unsigned int) ()
#8  0x00000000004fde34 in irr::scene::ISceneNode::OnAnimate(unsigned int) ()
#9  0x00007ffff7041de7 in irr::scene::CSceneManager::drawAll (this=0xcc8d20) at CSceneManager.cpp:1336
#10 0x00000000004f9dc9 in IrrDriver::update(float) ()
#11 0x0000000000599aa9 in MainLoop::run() ()
#12 0x00000000004a8e93 in main ()