Program received signal SIGSEGV, Segmentation fault. [Switching to Thread 0x7fffd5eff700 (LWP 5227)] 0x00007fffed9f0a65 in __libc_res_nquery () from /lib/libresolv.so.2 (gdb) bt #0 0x00007fffed9f0a65 in __libc_res_nquery () from /lib/libresolv.so.2 #1 0x00007fffed9f0f5e in ?? () from /lib/libresolv.so.2 #2 0x00007fffed9f1545 in __libc_res_nsearch () from /lib/libresolv.so.2 #3 0x00007fffd0afb947 in _nss_dns_gethostbyname4_r () from /lib/libnss_dns.so.2 #4 0x00007ffff44ebab1 in ?? () from /lib/libc.so.6 #5 0x00007ffff44edb30 in getaddrinfo () from /lib/libc.so.6 #6 0x00007ffff514ddb5 in PR_GetAddrInfoByName () from /opt/firefox-aurora/libnspr4.so #7 0x00007ffff61bf57f in ?? () from /opt/firefox-aurora/libxul.so #8 0x00007ffff5159f0a in ?? () from /opt/firefox-aurora/libnspr4.so #9 0x00007ffff7bc8d60 in start_thread () from /lib/libpthread.so.0 #10 0x00007ffff44ffe0d in clone () from /lib/libc.so.6 #11 0x0000000000000000 in ?? ()