(gdb) r
Starting program: /media/data/src/minetest/minetest/bin/minetest
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[New Thread 0x7ffff7440700 (LWP 368)]
[New Thread 0x7ffff6c3f700 (LWP 369)]
[Thread 0x7ffff6c3f700 (LWP 369) exited]
[Thread 0x7ffff7440700 (LWP 368) exited]
Irrlicht Engine version 1.7.3
Linux 3.7-trunk-amd64 #1 SMP Debian 3.7.8-1~experimental.1 x86_64
Using renderer: OpenGL 4.2.12002
AMD Radeon HD 7800 Series : ATI Technologies Inc.
OpenGL driver version is 1.2 or better.
GLSL version: 4.2
Loaded texture: /media/data/src/minetest/minetest/textures/base/pack/menuheader.png
^C
Program received signal SIGINT, Interrupt.
0x0000003762ed3ac7 in ioctl () at ../sysdeps/unix/syscall-template.S:82
82	../sysdeps/unix/syscall-template.S: No such file or directory.
(gdb) thread apply all bt

Thread 1 (Thread 0x7ffff7c007a0 (LWP 367)):
#0  0x0000003762ed3ac7 in ioctl () at ../sysdeps/unix/syscall-template.S:82
#1  0x00000034b6a074dd in uki_firegl_WaitVBlank () from /usr/lib/x86_64-linux-gnu/libatiuki.so.1
#2  0x00007ffff5c83309 in ?? () from /usr/lib/x86_64-linux-gnu/dri/fglrx_dri.so
#3  0x00007ffff5309c37 in ?? () from /usr/lib/x86_64-linux-gnu/dri/fglrx_dri.so
#4  0x00007ffff5311bd3 in ?? () from /usr/lib/x86_64-linux-gnu/dri/fglrx_dri.so
#5  0x00007ffff4811061 in ?? () from /usr/lib/x86_64-linux-gnu/dri/fglrx_dri.so
#6  0x00007ffff532d64f in ?? () from /usr/lib/x86_64-linux-gnu/dri/fglrx_dri.so
#7  0x00007ffff5c8e679 in ?? () from /usr/lib/x86_64-linux-gnu/dri/fglrx_dri.so
#8  0x00000034b6c38dbb in glXSwapBuffers () from /usr/lib/x86_64-linux-gnu/libGL.so.1
#9  0x000000000083e493 in irr::video::COpenGLDriver::endScene() ()
#10 0x000000000074f4a9 in main (argc=<optimized out>, argv=<optimized out>) at /home/whirm/src/minetest/minetest/src/main.cpp:1681
(gdb)