Caught SIGBUS

Caught SIGBUS, dumping stack:
0 rtorrent() [0x41426f]
1 /lib/libc.so.6(+0x32230) [0x7f657fab2230]
2 /lib/libc.so.6(memcpy+0xa3) [0x7f657faff993]
3 /usr/local/lib/libtorrent.so.14(+0x6d284) [0x7f6581043284]
4 /usr/local/lib/libtorrent.so.14(+0xafa41) [0x7f6581085a41]
5 /usr/local/lib/libtorrent.so.14(+0xb2bdd) [0x7f6581088bdd]
6 /usr/local/lib/libtorrent.so.14(+0xb5d96) [0x7f658108bd96]
7 /usr/local/lib/libtorrent.so.14(+0xb5ee8) [0x7f658108bee8]
8 /usr/local/lib/libtorrent.so.14(_ZN7torrent9PollEPoll7performEv+0xd9) [0x7f658100cba9]
9 rtorrent() [0x4a6d95]
10 rtorrent() [0x413bfa]
11 /lib/libc.so.6(__libc_start_main+0xfd) [0x7f657fa9ec8d]
12 rtorrent() [0x40ffb9]

Error: Success
Signal code '2': Non-existent physical address.
Fault address: 0x7f6564c22000.

The fault address is not part of any chunk.
Aborted