Created
July 7, 2021 16:46
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Profiler SEGV
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| dogbert@dogbert-VirtualBox:~$ perl6-gdb-m --profile -e 'for ^32000 { next $_ }' | |
| ================================================================================================ | |
| This is Rakudo running in the debugger, which often allows the user to generate useful back- | |
| traces to debug or report issues in Rakudo, the MoarVM backend or the currently running code. | |
| This Rakudo version is 2021.06.47.g.1.e.6.d.93.c.29 built on MoarVM version 2021.06.16.g.74.e.828.f.0.a, | |
| running on linuxmint (20.Ulyana) / linux | |
| Type `bt full` to generate a backtrace if applicable, type `q` to quit or `help` for help. | |
| ------------------------------------------------------------------------------------------------ | |
| Reading symbols from /home/dogbert/.rakudobrew/versions/moar-master/install/bin/rakudo-m... | |
| Starting program: /home/dogbert/.rakudobrew/versions/moar-master/install/bin/rakudo-m --profile -e for\ \^32000\ \{\ next\ \$_\ \} | |
| [Thread debugging using libthread_db enabled] | |
| Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". | |
| [New Thread 0x7ffff71f6700 (LWP 233743)] | |
| Thread 1 "rakudo-m" received signal SIGSEGV, Segmentation fault. | |
| 0x00007ffff7490031 in _int_malloc (av=av@entry=0x7ffff75e0b80 <main_arena>, bytes=bytes@entry=272) at malloc.c:3718 | |
| 3718 malloc.c: No such file or directory. | |
| (gdb) bt | |
| #0 0x00007ffff7490031 in _int_malloc (av=av@entry=0x7ffff75e0b80 <main_arena>, bytes=bytes@entry=272) at malloc.c:3718 | |
| #1 0x00007ffff7492419 in __GI___libc_malloc (bytes=272) at malloc.c:3066 | |
| #2 0x00007ffff78660c3 in MVM_malloc (size=272) at src/core/alloc.h:2 | |
| #3 0x00007ffff7866a17 in MVM_fixed_size_alloc (tc=0x55555555b1a0, al=0x55555555ca00, bytes=264) at src/core/fixedsizealloc.c:194 | |
| #4 0x00007ffff7836716 in hash_allocate_common (tc=0x55555555b1a0, entry_size=16 '\020', key_right_shift=61 '=', official_size_log2=3 '\003') at src/core/str_hash_table.c:136 | |
| #5 0x00007ffff7836dfa in maybe_grow_hash (tc=0x55555555b1a0, control=0x55556206a188) at src/core/str_hash_table.c:338 | |
| #6 0x00007ffff78373d9 in MVM_str_hash_lvalue_fetch_nocheck (tc=0x55555555b1a0, hashtable=0x555562047388, key=0x555558326700) at src/core/str_hash_table.c:485 | |
| #7 0x00007ffff78c2a99 in MVMHash_bind_key (tc=0x55555555b1a0, st=0x55555558ef38, root=0x555562047370, data=0x555562047388, key_obj=0x555558326700, value=..., kind=8) at src/6model/reprs/MVMHash.c:118 | |
| #8 0x00007ffff78b1c82 in MVM_repr_bind_key_o (tc=0x55555555b1a0, obj=0x555562047370, key=0x555558326700, val=0x555562047390) at src/6model/reprconv.c:561 | |
| #9 0x00007ffff79b1e50 in dump_call_graph_node (tc=0x55555555b1a0, pds=0x7fffffffbed0, pcn=0x555559b12900, types_array=0x5555580a8498) at src/profiler/instrument.c:555 | |
| #10 0x00007ffff79b1a54 in dump_call_graph_node_loop (tcpds=0x7fffffffbe70, pcn=0x555559b12900) at src/profiler/instrument.c:490 | |
| #11 0x00007ffff79b1afa in dump_call_graph_node_loop (tcpds=0x7fffffffbe70, pcn=0x555559b127d0) at src/profiler/instrument.c:500 | |
| #12 0x00007ffff79b1afa in dump_call_graph_node_loop (tcpds=0x7fffffffbe70, pcn=0x555559b126a0) at src/profiler/instrument.c:500 | |
| #13 0x00007ffff79b1afa in dump_call_graph_node_loop (tcpds=0x7fffffffbe70, pcn=0x555559b125b0) at src/profiler/instrument.c:500 | |
| #14 0x00007ffff79b1afa in dump_call_graph_node_loop (tcpds=0x7fffffffbe70, pcn=0x555559b12480) at src/profiler/instrument.c:500 | |
| #15 0x00007ffff79b1afa in dump_call_graph_node_loop (tcpds=0x7fffffffbe70, pcn=0x555559b12350) at src/profiler/instrument.c:500 | |
| #16 0x00007ffff79b1afa in dump_call_graph_node_loop (tcpds=0x7fffffffbe70, pcn=0x555559b12260) at src/profiler/instrument.c:500 | |
| #17 0x00007ffff79b1afa in dump_call_graph_node_loop (tcpds=0x7fffffffbe70, pcn=0x555559b12130) at src/profiler/instrument.c:500 | |
| #18 0x00007ffff79b1afa in dump_call_graph_node_loop (tcpds=0x7fffffffbe70, pcn=0x555559b12000) at src/profiler/instrument.c:500 | |
| #19 0x00007ffff79b1afa in dump_call_graph_node_loop (tcpds=0x7fffffffbe70, pcn=0x555559b11f10) at src/profiler/instrument.c:500 | |
| #20 0x00007ffff79b1afa in dump_call_graph_node_loop (tcpds=0x7fffffffbe70, pcn=0x555559b11de0) at src/profiler/instrument.c:500 | |
| #21 0x00007ffff79b1afa in dump_call_graph_node_loop (tcpds=0x7fffffffbe70, pcn=0x555559b11cb0) at src/profiler/instrument.c:500 | |
| #22 0x00007ffff79b1afa in dump_call_graph_node_loop (tcpds=0x7fffffffbe70, pcn=0x555559b11bc0) at src/profiler/instrument.c:500 | |
| #23 0x00007ffff79b1afa in dump_call_graph_node_loop (tcpds=0x7fffffffbe70, pcn=0x555559b11a90) at src/profiler/instrument.c:500 | |
| #24 0x00007ffff79b1afa in dump_call_graph_node_loop (tcpds=0x7fffffffbe70, pcn=0x555559b11960) at src/profiler/instrument.c:500 | |
| #25 0x00007ffff79b1afa in dump_call_graph_node_loop (tcpds=0x7fffffffbe70, pcn=0x555559b11870) at src/profiler/instrument.c:500 | |
| #26 0x00007ffff79b1afa in dump_call_graph_node_loop (tcpds=0x7fffffffbe70, pcn=0x555559b11740) at src/profiler/instrument.c:500 | |
| #27 0x00007ffff79b1afa in dump_call_graph_node_loop (tcpds=0x7fffffffbe70, pcn=0x555559b11610) at src/profiler/instrument.c:500 | |
| #28 0x00007ffff79b1afa in dump_call_graph_node_loop (tcpds=0x7fffffffbe70, pcn=0x555559b11520) at src/profiler/instrument.c:500 | |
| #29 0x00007ffff79b1afa in dump_call_graph_node_loop (tcpds=0x7fffffffbe70, pcn=0x555559b113f0) at src/profiler/instrument.c:500 | |
| #30 0x00007ffff79b1afa in dump_call_graph_node_loop (tcpds=0x7fffffffbe70, pcn=0x555559b112c0) at src/profiler/instrument.c:500 | |
| #31 0x00007ffff79b1afa in dump_call_graph_node_loop (tcpds=0x7fffffffbe70, pcn=0x555559b111d0) at src/profiler/instrument.c:500 | |
| #32 0x00007ffff79b1afa in dump_call_graph_node_loop (tcpds=0x7fffffffbe70, pcn=0x555559b110a0) at src/profiler/instrument.c:500 | |
| #33 0x00007ffff79b1afa in dump_call_graph_node_loop (tcpds=0x7fffffffbe70, pcn=0x555559b10f70) at src/profiler/instrument.c:500 | |
| #34 0x00007ffff79b1afa in dump_call_graph_node_loop (tcpds=0x7fffffffbe70, pcn=0x555559b10e80) at src/profiler/instrument.c:500 | |
| #35 0x00007ffff79b1afa in dump_call_graph_node_loop (tcpds=0x7fffffffbe70, pcn=0x555559b10d50) at src/profiler/instrument.c:500 | |
| #36 0x00007ffff79b1afa in dump_call_graph_node_loop (tcpds=0x7fffffffbe70, pcn=0x555559b10c20) at src/profiler/instrument.c:500 | |
| #37 0x00007ffff79b1afa in dump_call_graph_node_loop (tcpds=0x7fffffffbe70, pcn=0x555559b10b30) at src/profiler/instrument.c:500 | |
| #38 0x00007ffff79b1afa in dump_call_graph_node_loop (tcpds=0x7fffffffbe70, pcn=0x555559b10a00) at src/profiler/instrument.c:500 | |
| #39 0x00007ffff79b1afa in dump_call_graph_node_loop (tcpds=0x7fffffffbe70, pcn=0x555559b108d0) at src/profiler/instrument.c:500 | |
| #40 0x00007ffff79b1afa in dump_call_graph_node_loop (tcpds=0x7fffffffbe70, pcn=0x555559b107e0) at src/profiler/instrument.c:500 | |
| #41 0x00007ffff79b1afa in dump_call_graph_node_loop (tcpds=0x7fffffffbe70, pcn=0x555559b106b0) at src/profiler/instrument.c:500 | |
| #42 0x00007ffff79b1afa in dump_call_graph_node_loop (tcpds=0x7fffffffbe70, pcn=0x555559b10580) at src/profiler/instrument.c:500 | |
| #43 0x00007ffff79b1afa in dump_call_graph_node_loop (tcpds=0x7fffffffbe70, pcn=0x555559b10490) at src/profiler/instrument.c:500 | |
| #44 0x00007ffff79b1afa in dump_call_graph_node_loop (tcpds=0x7fffffffbe70, pcn=0x555559b10360) at src/profiler/instrument.c:500 | |
| #45 0x00007ffff79b1afa in dump_call_graph_node_loop (tcpds=0x7fffffffbe70, pcn=0x555559b10230) at src/profiler/instrument.c:500 | |
| #46 0x00007ffff79b1afa in dump_call_graph_node_loop (tcpds=0x7fffffffbe70, pcn=0x555559b10140) at src/profiler/instrument.c:500 | |
| #47 0x00007ffff79b1afa in dump_call_graph_node_loop (tcpds=0x7fffffffbe70, pcn=0x555559b10010) at src/profiler/instrument.c:500 | |
| #48 0x00007ffff79b1afa in dump_call_graph_node_loop (tcpds=0x7fffffffbe70, pcn=0x555559b0fee0) at src/profiler/instrument.c:500 | |
| #49 0x00007ffff79b1afa in dump_call_graph_node_loop (tcpds=0x7fffffffbe70, pcn=0x555559b0fdf0) at src/profiler/instrument.c:500 | |
| #50 0x00007ffff79b1afa in dump_call_graph_node_loop (tcpds=0x7fffffffbe70, pcn=0x555559b0fcc0) at src/profiler/instrument.c:500 | |
| #51 0x00007ffff79b1afa in dump_call_graph_node_loop (tcpds=0x7fffffffbe70, pcn=0x555559b0fb90) at src/profiler/instrument.c:500 | |
| #52 0x00007ffff79b1afa in dump_call_graph_node_loop (tcpds=0x7fffffffbe70, pcn=0x555559b0faa0) at src/profiler/instrument.c:500 | |
| #53 0x00007ffff79b1afa in dump_call_graph_node_loop (tcpds=0x7fffffffbe70, pcn=0x555559b0f970) at src/profiler/instrument.c:500 | |
| ... tens of thousands of frames looking like this |
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