(gdb) r Starting program: /usr/local/libexec/TeXmacs/bin/texmacs.bin [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". TeXmacs] Loading corktounicode TeXmacs] Loading cork-unicode-oneway TeXmacs] Loading tmuniversaltounicode TeXmacs] Loading symbol-unicode-oneway TeXmacs] Loading symbol-unicode-math TeXmacs] Loading corktounicode TeXmacs] Loading unicode-cork-oneway TeXmacs] Loading tmuniversaltounicode TeXmacs] Loading unicode-symbol-oneway TeXmacs] With linked TrueType support [New Thread 0x7fffeb4ad700 (LWP 30905)] Program received signal SIGSEGV, Segmentation fault. 0x0000000000440931 in tree::tree (this=0x7fffffff1270, x=...) at Kernel/Types/tree.hpp:149 149 inline tree::tree (const tree& x): rep (x.rep) { rep->ref_count++; } (gdb) bt #0 0x0000000000440931 in tree::tree (this=0x7fffffff1270, x=...) at Kernel/Types/tree.hpp:149 #1 0x000000000070023e in lazy_surround_rep::lazy_surround_rep (this=0x1e96c88, env=..., t=..., ip=...) at ./Typeset/Line/lazy_typeset.cpp:104 #2 0x00000000007086b8 in tm_new > (a1=..., a2=..., a3=...) at System/Misc/fast_alloc.hpp:127 #3 0x0000000000708395 in lazy_surround::lazy_surround (this=0x7fffffff1460, env=..., t=..., ip=...) at Typeset/Line/lazy_typeset.hpp:48 #4 0x000000000070700c in make_lazy (env=..., t=..., ip=...) at ./Typeset/Line/lazy_typeset.cpp:499 #5 0x00000000007035ba in make_lazy_rewrite (env=..., t=..., ip=...) at ./Typeset/Line/lazy_typeset.cpp:290 #6 0x0000000000707874 in make_lazy (env=..., t=..., ip=...) at ./Typeset/Line/lazy_typeset.cpp:526 #7 0x0000000000702dc4 in make_lazy_compound (env=..., t=..., ip=...) at ./Typeset/Line/lazy_typeset.cpp:270 #8 0x0000000000707fca in make_lazy (env=..., t=..., ip=...) at ./Typeset/Line/lazy_typeset.cpp:551 #9 0x00000000006ff5af in lazy_document_rep::lazy_document_rep (this=0x2569e40, env=..., t=..., ip=...) at ./Typeset/Line/lazy_typeset.cpp:37 #10 0x0000000000708551 in tm_new > (a1=..., a2=..., a3=...) at System/Misc/fast_alloc.hpp:127 #11 0x00000000007082ab in lazy_document::lazy_document (this=0x7fffffff2f80, env=..., t=..., ip=...) at Typeset/Line/lazy_typeset.hpp:29 #12 0x0000000000706f43 in make_lazy (env=..., t=..., ip=...) at ./Typeset/Line/lazy_typeset.cpp:497 #13 0x000000000070547d in make_lazy_argument (env=..., t=..., ip=...) at ./Typeset/Line/lazy_typeset.cpp:386 #14 0x000000000070754f in make_lazy (env=..., t=..., ip=...) at ./Typeset/Line/lazy_typeset.cpp:515 #15 0x000000000070547d in make_lazy_argument (env=..., t=..., ip=...) at ./Typeset/Line/lazy_typeset.cpp:386 #16 0x000000000070754f in make_lazy (env=..., t=..., ip=...) at ./Typeset/Line/lazy_typeset.cpp:515 #17 0x000000000070547d in make_lazy_argument (env=..., t=..., ip=...) at ./Typeset/Line/lazy_typeset.cpp:386 #18 0x000000000070754f in make_lazy (env=..., t=..., ip=...) at ./Typeset/Line/lazy_typeset.cpp:515 #19 0x0000000000497f9d in cell_rep::typeset (this=0x2a91478, fm=..., t=..., iq=...) at ./Typeset/Table/cell.cpp:58 #20 0x000000000083e454 in table_rep::typeset_row (this=0x1f02040, i=0, fm=..., t=..., ip=...) at ./Typeset/Table/table.cpp:111 #21 0x000000000083e0c5 in table_rep::typeset_table (this=0x1f02040, fm=..., t=..., ip=...) at ./Typeset/Table/table.cpp:94 #22 0x000000000083de0c in table_rep::typeset (this=0x1f02040, t=..., iq=...) at ./Typeset/Table/table.cpp:81 #23 0x0000000000845838 in typeset_as_var_table (env=..., t=..., ip=...) at ./Typeset/Table/table.cpp:895 #24 0x00000000006fccab in typeset_concat_or_table (env=..., t=..., ip=...) at ./Typeset/Line/lazy_paragraph.cpp:490 #25 0x00000000006fcf36 in typeset_stack (env=..., t=..., ip=..., a=..., b=..., sb=...) at ./Typeset/Line/lazy_paragraph.cpp:503 #26 0x00000000008cd683 in typesetter_rep::insert_paragraph (this=0x1d74660, t=..., ip=...) at ./Typeset/Bridge/typesetter.cpp:55 #27 0x000000000047647c in bridge_rep::my_typeset (this=0x1d74788, desired_status=1) at ./Typeset/Bridge/bridge.cpp:248 #28 0x0000000000476c8a in bridge_rep::typeset (this=0x1d74788, desired_status=1) at ./Typeset/Bridge/bridge.cpp:308 #29 0x000000000048ada0 in bridge_formatting_rep::my_typeset (this=0x2a90100, desired_status=1) at ./Typeset/Bridge/bridge_formatting.cpp:146 #30 0x0000000000476c8a in bridge_rep::typeset (this=0x2a90100, desired_status=1) at ./Typeset/Bridge/bridge.cpp:308 #31 0x000000000047aad9 in bridge_argument_rep::my_typeset (this=0x2af4bb0, desired_status=1) at ./Typeset/Bridge/bridge_argument.cpp:181 #32 0x0000000000476c8a in bridge_rep::typeset (this=0x2af4bb0, desired_status=1) at ./Typeset/Bridge/bridge.cpp:308 #33 0x000000000048ada0 in bridge_formatting_rep::my_typeset (this=0x2a91178, desired_status=1) at ./Typeset/Bridge/bridge_formatting.cpp:146