#0  0x0000000000440832 in imagecache_thread (p=<optimized out>)
    at src/imagecache.c:258
        img = 0x1908270
#1  0x00000000004118e1 in thread_wrapper (p=0x18d8cd0) at src/wrappers.c:125
        ts = 0x18d8cd0
        set = {__val = {16384, 0 <repeats 15 times>}}
        r = <optimized out>
#2  0x00007f3bfbb11b50 in start_thread ()
   from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#3  0x00007f3bfb3d17bd in clone () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#4  0x0000000000000000 in ?? ()
No symbol table info available.