Program received signal SIGTRAP, Trace/breakpoint trap.
0x3103ad32 in add_to_list_l (list=0x10005e88, thread=0x1000660c) at /home/wodz/rockbox-git/firmware/thread.c:1161
1161	    l->l.prev = thread;
(gdb) p/x cores
$12 = {{
    running = 0x1000660c,
    timeout = 0x10006090,
    block_task = 0x0,
    rtr = {
      hist = {0x0 <repeats 32 times>},
      mask = 0x0
    },
    next_tmo_check = 0x6f9
  }}
(gdb) c
Continuing.

Program received signal SIGTRAP, Trace/breakpoint trap.
0x3103bb90 in switch_thread () at /home/wodz/rockbox-git/firmware/target/coldfire/system-target.h:100
100	    asm volatile ("move.w %1, %0   \n"
(gdb) p/x cores
$13 = {{
    running = 0x1000660c,
    timeout = 0x10006090,
    block_task = 0x0,
    rtr = {
      hist = {0x0 <repeats 15 times>, 0x1, 0x0 <repeats 16 times>},
      mask = 0x8000
    },
    next_tmo_check = 0x6fc
  }}
(gdb) c
Continuing.

Program received signal SIGTRAP, Trace/breakpoint trap.
0x3103ad64 in remove_from_list_l (list=0x10005e88, thread=0x1000660c) at /home/wodz/rockbox-git/firmware/thread.c:1192
1192	    prev->l.next = next;
(gdb) p/x cores
$14 = {{
    running = 0x0,
    timeout = 0x10006090,
    block_task = 0x0,
    rtr = {
      hist = {0x0 <repeats 15 times>, 0x1, 0x0 <repeats 16 times>},
      mask = 0x8000
    },
    next_tmo_check = 0x6fc
  }}