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finalterm is stuck with "ps e" #342
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Confirmed. |
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While I can confirm this problem, it does not occur if it is run via |
p-e-w
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Sep 7, 2014
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Fixed in a4227a4. Quite amazingly, this turned out to be not an actual freeze but a performance issue (the output does show up – if you have about 30 minutes patience, that is...). Final Term had huge performance deficits when rendering really long lines such as the ones produced by |
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Runs fine under gdb, but gets this attaching gdb on the fly:
#0 0x00000036ec06606c in g_slice_free_chain_with_offset (tmem=, ix=2) at gslice.c:834
#1 0x00000036ec06606c in g_slice_free_chain_with_offset (mem_size=40, mem_chain=, next_offset=8) at gslice.c:1169
#2 0x00000036eec2b864 in _pango_fribidi_log2vis_get_embedding_levels_new_utf8 (type_rl_list=) at fribidi.c:366
#3 0x00000036eec2b864 in _pango_fribidi_log2vis_get_embedding_levels_new_utf8 (pmax_level=, ptype_rl_list=, len=, pbase_dir=0x7fff0ae5cd04, bytelen=, str=0x28a1820 "") at fribidi.c:512
#4 0x00000036eec2b864 in _pango_fribidi_log2vis_get_embedding_levels_new_utf8 (str=str@entry=0x28a1400 "+ modified_line=' zboub4007zboub pts/4 Ss 0:00 bash QT_GRAPHICSSYSTEM_CHECKED=1 LANG=fr_FR.UTF-8 DISPLAY=:0 SHLVL=1 LOGNAME=lwandrebeck XDG_VTNR=1 IMSETTINGS_MODULE=none XAUTHORITY=/run/gdm/aut"..., bytelen=, pbase_dir=pbase_dir@entry=0x7fff0ae5cd04) at fribidi.c:928
#5 0x00000036eec170c3 in pango_log2vis_get_embedding_levels (text=text@entry=0x28a1400 "+ modified_line=' zboub4007zboub pts/4 Ss 0:00 bash QT_GRAPHICSSYSTEM_CHECKED=1 LANG=fr_FR.UTF-8 DISPLAY=:0 SHLVL=1 LOGNAME=lwandrebeck XDG_VTNR=1 IMSETTINGS_MODULE=none XAUTHORITY=/run/gdm/aut"..., length=, length@entry=1056, pbase_dir=pbase_dir@entry=0x7fff0ae5cd3c) at pango-bidi-type.c:152
#6 0x00000036eec17a9e in itemize_state_init (state=state@entry=0x7fff0ae5cdb0, context=, text=, base_dir=base_dir@entry=PANGO_DIRECTION_LTR, start_index=0, length=length@entry=1056, attrs=attrs@entry=0x2403a20, cached_iter=cached_iter@entry=0x23e7a60, desc=desc@entry=0x0) at pango-context.c:911
#7 0x00000036eec195af in pango_itemize_with_base_dir (context=, base_dir=base_dir@entry=PANGO_DIRECTION_LTR, text=, start_index=, length=length@entry=1056, attrs=attrs@entry=0x2403a20, cached_iter=cached_iter@entry=0x23e7a60) at pango-context.c:1586
#8 0x00000036eec206fa in pango_layout_check_lines (layout=) at pango-layout.c:3998
#9 0x00000036eec22f80 in pango_layout_get_iter (layout=layout@entry=0x2aea8c0 [PangoLayout]) at pango-layout.c:5681
#10 0x0000003026005259 in cogl_pango_ensure_glyph_cache_for_layout (layout=layout@entry=0x2aea8c0 [PangoLayout]) at cogl-pango-render.c:712
#11 0x0000003025cc2044 in clutter_text_create_layout (text=, allocation_width=allocation_width@entry=-1, allocation_height=allocation_height@entry=-1) at ./clutter-text.c:886
#12 0x0000003025cc2559 in clutter_text_get_preferred_width (self=, for_height=, min_width_p=0x7fff0ae5d638, natural_width_p=0x7fff0ae5d63c) at ./clutter-text.c:2559
#13 0x0000003025c59004 in clutter_actor_get_preferred_width (self=0x2b63b80 [ClutterText], for_height=-1, min_width_p=0x0, natural_width_p=0x7fff0ae5d680) at ./clutter-actor.c:9370
#14 0x0000003025c59807 in clutter_actor_get_width (self=self@entry=0x2b63b80 [ClutterText]) at ./clutter-actor.c:10783
#15 0x0000003025c599c5 in clutter_actor_get_size (self=0x2b63b80 [ClutterText], width=width@entry=0x7fff0ae5d6c0, height=height@entry=0x7fff0ae5d6c4)
#16 0x0000003025cc4372 in clutter_text_get_layout (self=self@entry=0x2b63b80 [ClutterText]) at ./clutter-text.c:5274
#17 0x0000003025cc48ec in clutter_text_position_to_coords (self=0x2b63b80 [ClutterText], position=, x=0x7fff0ae5d7a0, y=0x7fff0ae5d79c, line_height=0x0) at ./clutter-text.c:1008
#18 0x000000000043a10b in line_view_get_character_coordinates (self=0x2b2b880 [LineView], character_index=1056, x=0x7fff0ae5d82c, y=0x7fff0ae5d828)
#19 0x000000000043582c in terminal_output_view_get_position_coordinates (self=0x2905840 [TerminalOutputView], position=0x7fff0ae5d8c0, x=0x7fff0ae5d8bc, y=0x7fff0ae5d8b8) at /home/lwandrebeck/projets/finalterm/src/TerminalView.vala:457
#20 0x0000000000435be1 in terminal_output_view_get_stage_position (self=0x2905840 [TerminalOutputView], position=0x7fff0ae5d9a0, x=0x7fff0ae5d998, y=0x7fff0ae5d990) at /home/lwandrebeck/projets/finalterm/src/TerminalView.vala:473
#21 0x0000000000434ed0 in terminal_output_view_position_terminal_cursor (self=0x2905840 [TerminalOutputView], animate=1)
#22 0x0000000000434032 in terminal_output_view_render_terminal_cursor (self=0x2905840 [TerminalOutputView])
#23 0x0000000000433a42 in terminal_output_view_render_terminal_output (self=0x2905840 [TerminalOutputView])
#24 0x0000000000418fb3 in _terminal_output_view_render_terminal_output_utilities_schedule_function (self=0x2905840)
#25 0x0000000000450065 in _lambda6 (data7=0x23e2b40) at /home/lwandrebeck/projets/finalterm/src/Utilities.vala:213
(here gdb segfaults)
Another run:
g_slice_alloc0 (mem_size=mem_size@entry=48) at gslice.c:1032
1032 gpointer mem = g_slice_alloc (mem_size);
(gdb) bt
#0 0x00000036ec065c09 in g_slice_alloc0 (mem_size=mem_size@entry=48) at gslice.c:1032
#1 0x00000036ec831cc7 in g_type_create_instance (type=42971152) at gtype.c:1847
#2 0x00000036ec815a8d in g_object_new_internal (class=class@entry=0x2a329b0, params=params@entry=0x0, n_params=n_params@entry=0) at gobject.c:1774
#3 0x00000036ec81765d in g_object_newv (object_type=object_type@entry=42971152, n_parameters=n_parameters@entry=0, parameters=parameters@entry=0x0)
#4 0x00000036ec817e24 in g_object_new (object_type=42971152, first_property_name=0x0) at gobject.c:1614
#5 0x0000000000428a95 in terminal_output_text_element_construct (object_type=42971152, text=0x2c939e0 "l", attributes=0x28f62e0 [CharacterAttributes]) at /home/lwandrebeck/projets/finalterm/src/TerminalOutput.vala:842
#6 0x0000000000428afd in terminal_output_text_element_new (text=0x2c939e0 "l", attributes=0x28f62e0 [CharacterAttributes])
#7 0x000000000042a21f in terminal_output_text_element_explode (self=0x2b83eb0 [TerminalOutputTextElement])
#8 0x00000000004272c4 in terminal_output_output_line_explode (self=0x2b8c940 [TerminalOutputOutputLine])
#9 0x00000000004340f3 in terminal_output_view_render_terminal_cursor (self=0x2905840 [TerminalOutputView])
#10 0x0000000000433a42 in terminal_output_view_render_terminal_output (self=0x2905840 [TerminalOutputView])
#11 0x0000000000418fb3 in _terminal_output_view_render_terminal_output_utilities_schedule_function (self=0x2905840)
#12 0x0000000000450065 in _lambda6 (data7=0x2402300) at /home/lwandrebeck/projets/finalterm/src/Utilities.vala:213
(another segfault from gdb)
Had another backtrace on a previous run:
0x00000036ec077c7c in g_utf8_strlen (
p=0x2a470d0 "0;41:tw=30;42:ow=34;42:st=37;44:ex=01;32:.tar=01;31:.tgz=01;31:.arc=01;31:.arj=01;31:.taz=01;31:.lha=01;31:.lzh=01;31:.lzma=01;31:.tlz=01;31:.txz=01;31:.tzo=01;31:.t7z=0", max=-1) at gutf8.c:234
234 p = g_utf8_next_char (p);
(gdb) bt
#0 0x00000036ec077c7c in g_utf8_strlen (p=0x2a470d0 "0;41:tw=30;42:ow=34;42:st=37;44:ex=01;32:.tar=01;31:.tgz=01;31:.arc=01;31:.arj=01;31:.taz=01;31:.lha=01;31:.lzh=01;31:.lzma=01;31:.tlz=01;31:.txz=01;31:.tzo=01;31:.t7z=0", max=-1) at gutf8.c:234
#1 0x000000000042a164 in terminal_output_text_element_explode (self=0x295beb0 [TerminalOutputTextElement])
#2 0x00000000004272c4 in terminal_output_output_line_explode (self=0x29e71a0 [TerminalOutputOutputLine])
#3 0x00000000004340f3 in terminal_output_view_render_terminal_cursor (self=0x26f9bc0 [TerminalOutputView])
#4 0x0000000000433a42 in terminal_output_view_render_terminal_output (self=0x26f9bc0 [TerminalOutputView])
#5 0x0000000000418fb3 in _terminal_output_view_render_terminal_output_utilities_schedule_function (self=0x26f9bc0)
#6 0x0000000000450065 in _lambda6 (data7=0x21eb2e0) at /home/lwandrebeck/projets/finalterm/src/Utilities.vala:213
It looks like we could have a good suspect in explode (TerminalOutput.vala, line 925), but I have no idea on how to fix it.
ps termlet doesn’t look like the culprit here, as a (lightly) modify ps termlet runs fine under gnome-terminal.
Hope this helps to track that one.
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