#0  queue_post (q=q@entry=0x27ea240 <button_queue>, id=id@entry=16, data=data@entry=16777216)
    at /home/pamaury/project/rockbox/myrockbox/firmware/kernel/queue.c:401
#1  0x000000000044bdf8 in button_event (key=<optimized out>, pressed=<optimized out>)
    at /home/pamaury/project/rockbox/myrockbox/firmware/target/hosted/sdl/button-sdl.c:437
#2  0x000000000044be8e in event_handler (event=0x7ffff0ffacf0) at /home/pamaury/project/rockbox/myrockbox/firmware/target/hosted/sdl/button-sdl.c:259
#3  gui_message_loop () at /home/pamaury/project/rockbox/myrockbox/firmware/target/hosted/sdl/button-sdl.c:306
#4  0x000000000044c95b in sdl_event_thread (param=0x27f7070) at /home/pamaury/project/rockbox/myrockbox/firmware/target/hosted/sdl/system-sdl.c:176
#5  0x00007ffff7653f38 in ?? () from /usr/lib/x86_64-linux-gnu/libSDL-1.2.so.0
#6  0x00007ffff7693dd9 in ?? () from /usr/lib/x86_64-linux-gnu/libSDL-1.2.so.0
#7  0x00007ffff7429454 in start_thread (arg=0x7ffff0ffb700) at pthread_create.c:334
#8  0x00007ffff7166edd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109