Backtrace for reduced example demonstrating SegFault or ReadOnlyMemoryError()

Backtrace.log

[I 10:55:14.723 NotebookApp] Kernel started: d6c312f1-4256-4af0-b5cc-a28bebeb59cf
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[New Thread 0x7ffff3f3d700 (LWP 11602)]
[New Thread 0x7fffe8b4e700 (LWP 11603)]
[New Thread 0x7fffe834d700 (LWP 11604)]
[New Thread 0x7fffe5b4c700 (LWP 11605)]
[New Thread 0x7fffe134b700 (LWP 11606)]
[New Thread 0x7fffdeb4a700 (LWP 11607)]
[New Thread 0x7fffdc349700 (LWP 11608)]
[New Thread 0x7fffd9b48700 (LWP 11609)]
[New Thread 0x7fffd7347700 (LWP 11610)]
[New Thread 0x7fffd4b46700 (LWP 11611)]
[New Thread 0x7fffd2345700 (LWP 11612)]
[New Thread 0x7fffcfb44700 (LWP 11613)]
[New Thread 0x7fffcd343700 (LWP 11614)]
[New Thread 0x7fffcab42700 (LWP 11615)]
[New Thread 0x7fffca341700 (LWP 11616)]
[New Thread 0x7fffc5b40700 (LWP 11617)]
WARNING: Compat.AsyncCondition is deprecated, use Base.AsyncCondition instead.
  likely near /home/drew/.julia/v0.6/IJulia/src/kernel.jl:8
WARNING: Compat.AsyncCondition is deprecated, use Base.AsyncCondition instead.
  likely near /home/drew/.julia/v0.6/IJulia/src/kernel.jl:8
[New Thread 0x7fffbad0f700 (LWP 11618)]
[New Thread 0x7fffba50e700 (LWP 11619)]
[New Thread 0x7fffb9d0d700 (LWP 11620)]
Starting kernel event loops.
[I 10:55:19.697 NotebookApp] Adapting to protocol v5.0 for kernel d6c312f1-4256-4af0-b5cc-a28bebeb59cf
[New Thread 0x7fffb1303700 (LWP 11629)]
[New Thread 0x7fffb0b02700 (LWP 11630)]
[New Thread 0x7fffa7fff700 (LWP 11631)]
[New Thread 0x7fffa57fe700 (LWP 11632)]
[New Thread 0x7fffa2ffd700 (LWP 11633)]
[New Thread 0x7fffa07fc700 (LWP 11634)]
[New Thread 0x7fff9dffb700 (LWP 11635)]

Thread 1 "julia-debug" received signal SIGSEGV, Segmentation fault.
0x00007fff2e913d3e in julia_offsetsym_66565 (off=0, d=2) at /home/drew/.julia/v0.6/Interpolations/src/b-splines/b-splines.jl:96
96	offsetsym(off, d) = off == -1 ? Symbol("ixm_", d) :
#0  0x00007fff2e913d3e in julia_offsetsym_66565 (off=0, d=2) at /home/drew/.julia/v0.6/Interpolations/src/b-splines/b-splines.jl:96
#1  0x00007fff2e913f9d in jlcall_offsetsym_66564 ()
#2  0x00007ffff75e6798 in jl_call_fptr_internal (fptr=0x7fffffffb4d0, meth=0x7fff706cff10, args=0x7fffffffb560, nargs=3) at /home/drew/julia_v0.6.0_debug/src/julia_internal.h:339
#3  0x00007ffff75e68a9 in jl_call_method_internal (meth=0x7fff706cff10, args=0x7fffffffb560, nargs=3) at /home/drew/julia_v0.6.0_debug/src/julia_internal.h:358
#4  0x00007ffff75ecfe8 in jl_apply_generic (args=0x7fffffffb560, nargs=3) at /home/drew/julia_v0.6.0_debug/src/gf.c:1933
#5  0x00007ffff7603c0f in do_call (args=0x7fff717edda0, nargs=3, s=0x0) at /home/drew/julia_v0.6.0_debug/src/interpreter.c:75
#6  0x00007ffff7604b56 in eval (e=0x7fff708bd0f0, s=0x0) at /home/drew/julia_v0.6.0_debug/src/interpreter.c:242
#7  0x00007ffff76038a2 in jl_interpret_toplevel_expr (e=0x7fff708bd0f0) at /home/drew/julia_v0.6.0_debug/src/interpreter.c:34
#8  0x00007ffff7624c79 in jl_toplevel_eval_flex (e=0x7fff708bd0f0, fast=1, expanded=1) at /home/drew/julia_v0.6.0_debug/src/toplevel.c:577
#9  0x00007ffff75f782f in jl_parse_eval_all (fname=0x7fff708bd098 "In[3]", content=0x7fff70c70418 "Interpolations.offsetsym(0, 2)", contentlen=30) at /home/drew/julia_v0.6.0_debug/src/ast.c:873
#10 0x00007ffff75f7a40 in jl_load_file_string (text=0x7fff70c70418 "Interpolations.offsetsym(0, 2)", len=30, filename=0x7fff708bd098 "In[3]") at /home/drew/julia_v0.6.0_debug/src/ast.c:903
#11 0x00007ffff1966651 in julia_include_string_32231 (txt=..., fname=...) at loading.jl:515
#12 0x00007ffff1966770 in jlcall_include_string_32230 () from /home/drew/julia_v0.6.0_debug/usr/lib/julia/sys-debug.so
#13 0x00007ffff75e6798 in jl_call_fptr_internal (fptr=0x7fffffffc0f0, meth=0x7fffedcc9090, args=0x7fffffffc180, nargs=3) at /home/drew/julia_v0.6.0_debug/src/julia_internal.h:339
#14 0x00007ffff75e68a9 in jl_call_method_internal (meth=0x7fffedcc9090, args=0x7fffffffc180, nargs=3) at /home/drew/julia_v0.6.0_debug/src/julia_internal.h:358
#15 0x00007ffff75ecfe8 in jl_apply_generic (args=0x7fffffffc180, nargs=3) at /home/drew/julia_v0.6.0_debug/src/gf.c:1933
#16 0x00007ffff7603c0f in do_call (args=0x7fff717edd30, nargs=3, s=0x0) at /home/drew/julia_v0.6.0_debug/src/interpreter.c:75
#17 0x00007ffff7604b56 in eval (e=0x7fff708bd0d0, s=0x0) at /home/drew/julia_v0.6.0_debug/src/interpreter.c:242
#18 0x00007ffff76038a2 in jl_interpret_toplevel_expr (e=0x7fff708bd0d0) at /home/drew/julia_v0.6.0_debug/src/interpreter.c:34
#19 0x00007ffff7624c79 in jl_toplevel_eval_flex (e=0x7fff708bd0b0, fast=1, expanded=0) at /home/drew/julia_v0.6.0_debug/src/toplevel.c:577
#20 0x00007ffff7624dad in jl_toplevel_eval (v=0x7fff708bd0b0) at /home/drew/julia_v0.6.0_debug/src/toplevel.c:600
#21 0x00007ffff75fbb61 in jl_toplevel_eval_in (m=0x7fffecbcc010, ex=0x7fff708bd0b0) at /home/drew/julia_v0.6.0_debug/src/builtins.c:496
#22 0x00007fffbf502fd5 in julia_include_string_64867 (mod=0x0, code=..., fname=...) at /home/drew/.julia/v0.6/Compat/src/Compat.jl:407
#23 0x00007fffbf50302e in jlcall_include_string_64866 ()
#24 0x00007ffff75e6798 in jl_call_fptr_internal (fptr=0x7fffffffcbd0, meth=0x7fffbbad4690, args=0x7fffffffcfb0, nargs=4) at /home/drew/julia_v0.6.0_debug/src/julia_internal.h:339
#25 0x00007ffff75e68a9 in jl_call_method_internal (meth=0x7fffbbad4690, args=0x7fffffffcfb0, nargs=4) at /home/drew/julia_v0.6.0_debug/src/julia_internal.h:358
#26 0x00007ffff75ecfe8 in jl_apply_generic (args=0x7fffffffcfb0, nargs=4) at /home/drew/julia_v0.6.0_debug/src/gf.c:1933
#27 0x00007fffbf59cdb7 in julia_execute_request_65733 (socket=..., msg=...) at /home/drew/.julia/v0.6/IJulia/src/execute_request.jl:154
#28 0x00007fffbf59e077 in jlcall_execute_request_65732 ()
#29 0x00007ffff75e6798 in jl_call_fptr_internal (fptr=0x7fffffffd270, meth=0x7fff71265a90, args=0x7fffffffd330, nargs=3) at /home/drew/julia_v0.6.0_debug/src/julia_internal.h:339
#30 0x00007ffff75e68a9 in jl_call_method_internal (meth=0x7fff71265a90, args=0x7fffffffd330, nargs=3) at /home/drew/julia_v0.6.0_debug/src/julia_internal.h:358
#31 0x00007ffff75ecfe8 in jl_apply_generic (args=0x7fffffffd330, nargs=3) at /home/drew/julia_v0.6.0_debug/src/gf.c:1933
#32 0x00007ffff75f9056 in jl_apply (args=0x7fffffffd330, nargs=3) at /home/drew/julia_v0.6.0_debug/src/julia.h:1424
#33 0x00007ffff75fb6b8 in jl_f__apply (F=0x0, args=0x7fffffffd930, nargs=2) at /home/drew/julia_v0.6.0_debug/src/builtins.c:426
#34 0x00007ffff75fb8eb in jl_f__apply_latest (F=0x0, args=0x7fffffffd930, nargs=2) at /home/drew/julia_v0.6.0_debug/src/builtins.c:464
#35 0x00007fffbf4f723e in julia_eventloop_64751 (socket=...) at /home/drew/.julia/v0.6/IJulia/src/eventloop.jl:8
#36 0x00007fffbf4f7c6a in julia_#14_64768 () at task.jl:335
#37 0x00007fffbf4f7c80 in jlcall_#14_64767 ()
#38 0x00007ffff75e6798 in jl_call_fptr_internal (fptr=0x7fffffffda60, meth=0x7fffbccc5210, args=0x7fffbb379fd0, nargs=1) at /home/drew/julia_v0.6.0_debug/src/julia_internal.h:339
#39 0x00007ffff75e68a9 in jl_call_method_internal (meth=0x7fffbccc5210, args=0x7fffbb379fd0, nargs=1) at /home/drew/julia_v0.6.0_debug/src/julia_internal.h:358
#40 0x00007ffff75ecfe8 in jl_apply_generic (args=0x7fffbb379fd0, nargs=1) at /home/drew/julia_v0.6.0_debug/src/gf.c:1933
#41 0x00007ffff760c23d in jl_apply (args=0x7fffbb379fd0, nargs=1) at /home/drew/julia_v0.6.0_debug/src/julia.h:1424
#42 0x00007ffff760cfb1 in start_task () at /home/drew/julia_v0.6.0_debug/src/task.c:267
#43 0x0000000000000000 in ?? ()
[I 10:56:11.725 NotebookApp] KernelRestarter: restarting kernel (1/5)