#0  0x00007ffff5ebe06e in NsEnsembleImplementationCmdNR () from /usr/lib/libtcl8.6.so
#1  0x00007ffff5e5f1cc in Tcl_NRCallObjProc () from /usr/lib/libtcl8.6.so
#2  0x00007ffff61ab48d in ?? () from /usr/lib/ruby/1.9.1/x86_64-linux/tcltklib.so
#3  0x00007ffff61aa319 in ?? () from /usr/lib/ruby/1.9.1/x86_64-linux/tcltklib.so
#4  0x00007ffff7a2382d in rb_protect () from /usr/lib/libruby.so.1.9
#5  0x00007ffff61b1685 in ?? () from /usr/lib/ruby/1.9.1/x86_64-linux/tcltklib.so
#6  0x00007ffff61b2a90 in invoke_queue_handler () from /usr/lib/ruby/1.9.1/x86_64-linux/tcltklib.so
#7  0x00007ffff5efdd7f in Tcl_ServiceEvent () from /usr/lib/libtcl8.6.so
#8  0x00007ffff5efdfe5 in Tcl_DoOneEvent () from /usr/lib/libtcl8.6.so
#9  0x00007ffff61a9d50 in ?? () from /usr/lib/ruby/1.9.1/x86_64-linux/tcltklib.so
#10 0x00007ffff61aea3d in ?? () from /usr/lib/ruby/1.9.1/x86_64-linux/tcltklib.so
#11 0x00007ffff7a2382d in rb_protect () from /usr/lib/libruby.so.1.9
#12 0x00007ffff61b0221 in lib_eventloop_main_core () from /usr/lib/ruby/1.9.1/x86_64-linux/tcltklib.so
#13 0x00007ffff7a23a36 in rb_ensure () from /usr/lib/libruby.so.1.9
#14 0x00007ffff61ac740 in ?? () from /usr/lib/ruby/1.9.1/x86_64-linux/tcltklib.so
#15 0x00007ffff61acee3 in ?? () from /usr/lib/ruby/1.9.1/x86_64-linux/tcltklib.so
#16 0x00007ffff61afc47 in ?? () from /usr/lib/ruby/1.9.1/x86_64-linux/tcltklib.so
#17 0x00007ffff7b17573 in ?? () from /usr/lib/libruby.so.1.9
#18 0x00007ffff7b0e210 in ?? () from /usr/lib/libruby.so.1.9
#19 0x00007ffff7b126de in ?? () from /usr/lib/libruby.so.1.9
#20 0x00007ffff7b133dd in ?? () from /usr/lib/libruby.so.1.9
#21 0x00007ffff7b22f32 in ?? () from /usr/lib/libruby.so.1.9
#22 0x00007ffff7b2300e in ?? () from /usr/lib/libruby.so.1.9
#23 0x00007ffff7405e0f in start_thread () from /usr/lib/libpthread.so.0
#24 0x00007ffff7702efd in clone () from /usr/lib/libc.so.6