(gdb) bt full
#0  0x3103ad64 in remove_from_list_l (list=0x10005e88, thread=0x10005f58) at /home/wodz/rockbox-git/firmware/thread.c:1192
        prev = 0x10005f58
        next = 0x10005f58
#1  0x3103b29c in sleep_thread (ticks=12) at /home/wodz/rockbox-git/firmware/thread.c:1920
        current = 0x10005f58
#2  0x3103a3ea in sleep (ticks=12) at /home/wodz/rockbox-git/firmware/kernel.c:268
No locals.
#3  0x3103f84a in scroll_thread () at /home/wodz/rockbox-git/firmware/scroll_engine.c:332
No locals.
#4  0x3103bcbc in __start_thread () at /home/wodz/rockbox-git/firmware/thread.c:777
No locals.
Backtrace stopped: previous frame inner to this frame (corrupt stack?)