Starting program: /usr/local/bin/node test/topdf.js
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[New Thread 0x7ffff7fe9700 (LWP 10883)]
[New Thread 0x7ffff5600700 (LWP 10884)]
[New Thread 0x7ffff4dff700 (LWP 10885)]
[New Thread 0x7fffeffff700 (LWP 10886)]
[New Thread 0x7fffef7fe700 (LWP 10887)]
about to convert

Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0x7fffef7fe700 (LWP 10887)]
0x00000000007f67ce in v8::internal::Isolate::IsInitialized() ()
(gdb) bt
#0  0x00000000007f67ce in v8::internal::Isolate::IsInitialized() ()
#1  0x00000000007d1e2c in v8::IsDeadCheck(v8::internal::Isolate*, char const*) ()
#2  0x00000000007d1f68 in v8::EnsureInitializedForIsolate(v8::internal::Isolate*, char const*) ()
#3  0x00000000007eddfa in v8::String::New(char const*, int) ()
#4  0x00007ffff69ddfed in setOptions(unsigned long long, v8::Handle<v8::Object>) ()
   from /home/ryan/repos/topdf/build/Release/topdf.node
#5  0x00007ffff69de09a in topdf_convert(uv_work_s*) () from /home/ryan/repos/topdf/build/Release/topdf.node
#6  0x00000000006e2ec7 in worker (arg=<optimized out>) at ../deps/uv/src/unix/threadpool.c:65
#7  0x00007ffff6fa6e9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#8  0x00007ffff6cd3cbd in clone () from /lib/x86_64-linux-gnu/libc.so.6
#9  0x0000000000000000 in ?? ()
(gdb)