Hi fREW!

On Di, 10 Mai 2016, fREW Schmidt wrote:

> I am on Ubuntu 16.04 and Vim gets killed fairly regularly (maybe once
> a week?)  Last time it happened I went through the effort of setting
> up vim to dump core instead of just leaving me with an empty console
> after crashing.  I now have the coredump!
> 
> The vim version is reported as:
> 
> VIM - Vi IMproved 7.4 (2013 Aug 10, compiled Apr 08 2016 11:38:28)            
>         [25/1416]
> Included patches: 1-1689
> Modified by [email protected]
> Compiled by [email protected]
> Huge version with GTK2-GNOME GUI.  Features included (+) or not (-):
> +acl             +farsi           +mouse_netterm   +tag_binary
> +arabic          +file_in_path    +mouse_sgr       +tag_old_static
> +autocmd         +find_in_path    -mouse_sysmouse  -tag_any_white
> +balloon_eval    +float           +mouse_urxvt     +tcl
> +browse          +folding         +mouse_xterm     +terminfo
> ++builtin_terms  -footer          +multi_byte      +termresponse
> +byte_offset     +fork()          +multi_lang      +textobjects
> +channel         +gettext         -mzscheme        +timers
> +cindent         -hangul_input    +netbeans_intg   +title
> +clientserver    +iconv           +packages        +toolbar
> +clipboard       +insert_expand   +path_extra      +user_commands
> +cmdline_compl   +job             +perl            +vertsplit
> +cmdline_hist    +jumplist        +persistent_undo +virtualedit
> +cmdline_info    +keymap          +postscript      +visual
> +comments        +langmap         +printer         +visualextra
> +conceal         +libcall         +profile         +viminfo
> +cryptv          +linebreak       -python          +vreplace
> +cscope          +lispindent      +python3         +wildignore
> +cursorbind      +listcmds        +quickfix        +wildmenu
> +cursorshape     +localmap        +reltime         +windows
> +dialog_con_gui  +lua             +rightleft       +writebackup
> +diff            +menu            +ruby            +X11
> +digraphs        +mksession       +scrollbind      -xfontset
> +dnd             +modify_fname    +signs           +xim
> -ebcdic          +mouse           +smartindent     +xsmp_interact
> +emacs_tags      +mouseshape      +startuptime     +xterm_clipboard
> +eval            +mouse_dec       +statusline      -xterm_save
> +ex_extra        +mouse_gpm       -sun_workshop    +xpm
> +extra_search    -mouse_jsbterm   +syntax          
>    system vimrc file: "$VIM/vimrc"
>      user vimrc file: "$HOME/.vimrc"
>  2nd user vimrc file: "~/.vim/vimrc"
>       user exrc file: "$HOME/.exrc"
>   system gvimrc file: "$VIM/gvimrc"
>     user gvimrc file: "$HOME/.gvimrc"
> 2nd user gvimrc file: "~/.vim/gvimrc"
>     system menu file: "$VIMRUNTIME/menu.vim"
>   fall-back for $VIM: "/usr/share/vim"
> Compilation: gcc -c -I. -Iproto -DHAVE_CONFIG_H -DFEAT_GUI_GTK  -pthread 
> -I/usr/include/gtk-2.0
>  -I/usr/lib/x86_64-linux-gnu/gtk-2.0/include -I/usr/include/gio-unix-2.0/ 
> -I/usr/include/cairo 
> -I/usr/include/pango-1.0 -I/usr/include/atk-1.0 -I/usr/include/cairo 
> -I/usr/include/pixman-1 -I
> /usr/include/libpng12 -I/usr/include/gdk-pixbuf-2.0 -I/usr/include/libpng12 
> -I/usr/include/pang
> o-1.0 -I/usr/include/harfbuzz -I/usr/include/pango-1.0 
> -I/usr/include/glib-2.0 -I/usr/lib/x86_6
> 4-linux-gnu/glib-2.0/include -I/usr/include/freetype2 -D_REENTRANT -DORBIT2=1 
> -pthread -I/usr/i
> nclude/libgnomeui-2.0 -I/usr/include/gnome-keyring-1 
> -I/usr/include/libbonoboui-2.0 -I/usr/incl
> ude/libxml2 -I/usr/include/libgnome-2.0 -I/usr/include/libbonobo-2.0 
> -I/usr/include/bonobo-acti
> vation-2.0 -I/usr/include/orbit-2.0 -I/usr/include/libgnomecanvas-2.0 
> -I/usr/include/gail-1.0 -
> I/usr/include/libart-2.0 -I/usr/include/gtk-2.0 
> -I/usr/lib/x86_64-linux-gnu/gtk-2.0/include -I/
> usr/include/gio-unix-2.0/ -I/usr/include/cairo -I/usr/include/pango-1.0 
> -I/usr/include/atk-1.0 
> -I/usr/include/cairo -I/usr/include/pixman-1 -I/usr/include/libpng12 
> -I/usr/include/pango-1.0 -
> I/usr/include/harfbuzz -I/usr/include/pango-1.0 -I/usr/include/freetype2 
> -I/usr/include/gdk-pix
> buf-2.0 -I/usr/include/libpng12 -I/usr/include/gnome-vfs-2.0 
> -I/usr/lib/x86_64-linux-gnu/gnome-
> vfs-2.0/include -I/usr/include/gconf/2 -I/usr/include/dbus-1.0 
> -I/usr/lib/x86_64-linux-gnu/dbus
> -1.0/include -I/usr/include/glib-2.0 
> -I/usr/lib/x86_64-linux-gnu/glib-2.0/include -Wdate-time  
> -g -O2 -fPIE -fstack-protector-strong -Wformat -Werror=format-security 
> -U_FORTIFY_SOURCE -D_FOR
> TIFY_SOURCE=1      
> Linking: gcc   -L. -Wl,-Bsymbolic-functions -Wl,-z,relro -fstack-protector 
> -rdynamic -Wl,-expor
> t-dynamic -Wl,-E  -Wl,-Bsymbolic-functions -fPIE -pie -Wl,-z,relro -Wl,-z,now 
> -Wl,--as-needed -
> o vim   -lgtk-x11-2.0 -lgdk-x11-2.0 -lpangocairo-1.0 -latk-1.0 -lcairo 
> -lgdk_pixbuf-2.0 -lgio-2
> .0 -lpangoft2-1.0 -lpango-1.0 -lgobject-2.0 -lglib-2.0 -lfontconfig 
> -lfreetype  -lgnomeui-2 -lS
> M -lICE -lbonoboui-2 -lgnome-2 -lpopt -lbonobo-2 -lbonobo-activation 
> -lORBit-2 -lgnomecanvas-2 
> -lart_lgpl_2 -lgtk-x11-2.0 -lgdk-x11-2.0 -lpangocairo-1.0 -latk-1.0 -lcairo 
> -lgio-2.0 -lpangoft
> 2-1.0 -lpango-1.0 -lfontconfig -lfreetype -lgdk_pixbuf-2.0 -lgnomevfs-2 
> -lgconf-2 -lgthread-2.0
>  -lgmodule-2.0 -lgobject-2.0 -lglib-2.0 -lSM -lICE -lXpm -lXt -lX11 -lXdmcp 
> -lSM -lICE  -lm -lt
> info -lnsl  -lselinux  -lacl -lattr -lgpm -ldl  -L/usr/lib -llua5.2 -Wl,-E  
> -fstack-protector-s
> trong -L/usr/local/lib  -L/usr/lib/x86_64-linux-gnu/perl/5.22/CORE -lperl 
> -ldl -lm -lpthread -l
> crypt  -L/usr/lib/python3.5/config-3.5m-x86_64-linux-gnu -lpython3.5m 
> -lpthread -ldl -lutil -lm
>  -L/usr/lib/x86_64-linux-gnu -ltcl8.6 -ldl -lz -lpthread -lieee -lm 
> -lruby-2.3 -lpthread -lgmp 
> -ldl -lcrypt -lm 
> 
> Here is the backtrace from the coredump:
> 
> Program terminated with signal SIGBUS, Bus error.
> #0  0x00007fa650515757 in kill () at ../sysdeps/unix/syscall-template.S:84
> 84      ../sysdeps/unix/syscall-template.S: No such file or directory.
> [Current thread is 1 (Thread 0x7fa65557ca80 (LWP 38810))]
> (gdb) bt
> #0  0x00007fa650515757 in kill () at ../sysdeps/unix/syscall-template.S:84
> #1  0x0000555fad98c273 in may_core_dump () at os_unix.c:3297
> #2  0x0000555fad98dd20 in may_core_dump () at os_unix.c:3266
> #3  mch_exit (r=1) at os_unix.c:3263
> #4  <signal handler called>
> #5  in_id_list (cur_si=<optimized out>, cur_si@entry=0x555fb0591700, 
> list=0x6578655f3931313e, 
>     ssp=ssp@entry=0x555faf7497a0, contained=0) at syntax.c:6193
> #6  0x0000555fad9fb902 in syn_current_attr (syncing=syncing@entry=0, 
>     displaying=displaying@entry=0, can_spell=can_spell@entry=0x0, 
>     keep_state=keep_state@entry=0) at syntax.c:2090
> #7  0x0000555fad9fc1b4 in syn_finish_line (syncing=syncing@entry=0) at 
> syntax.c:1781
> #8  0x0000555fad9fcd3f in syn_finish_line (syncing=0) at syntax.c:758
> #9  syntax_start (wp=0x555faf633720, lnum=3250) at syntax.c:536
> #10 0x0000555fad9fcf45 in syn_get_foldlevel (wp=0x555faf633720, 
> lnum=lnum@entry=3250)
>     at syntax.c:6546
> #11 0x0000555fad9167e9 in foldlevelSyntax (flp=0x7ffe2b90beb0) at fold.c:3222
> #12 0x0000555fad917fe8 in foldUpdateIEMSRecurse 
> (gap=gap@entry=0x555faf633828, 
>     level=level@entry=1, startlnum=startlnum@entry=1, 
> flp=flp@entry=0x7ffe2b90beb0, 
>     getlevel=getlevel@entry=0x555fad9167a0 <foldlevelSyntax>, 
> bot=bot@entry=7532, topflags=2)
>     at fold.c:2652
> #13 0x0000555fad918dbf in foldUpdateIEMS (bot=7532, top=1, wp=0x555faf633720) 
> at fold.c:2292
> #14 foldUpdate (wp=wp@entry=0x555faf633720, top=top@entry=1, 
> bot=bot@entry=2147483647)
>     at fold.c:835
> #15 0x0000555fad919123 in checkupdate (wp=wp@entry=0x555faf633720) at 
> fold.c:1187
> #16 0x0000555fad91936a in checkupdate (wp=0x555faf633720) at fold.c:217
> #17 hasFoldingWin (win=0x555faf633720, lnum=5591, firstp=0x555faf633798, 
>     lastp=lastp@entry=0x0, cache=cache@entry=1, infop=infop@entry=0x0) at 
> fold.c:158
> #18 0x0000555fad91942e in hasFolding (lnum=<optimized out>, firstp=<optimized 
> out>, 
>     lastp=lastp@entry=0x0) at fold.c:133
> #19 0x0000555fad959c3e in update_topline () at move.c:291
> #20 0x0000555fad9118ee in buf_reload (buf=buf@entry=0x555faf25e210, 
>     orig_mode=orig_mode@entry=33204) at fileio.c:7155
> #21 0x0000555fad911d0c in buf_check_timestamp (buf=buf@entry=0x555faf25e210, 
>     focus=focus@entry=1) at fileio.c:6997
> #22 0x0000555fad912422 in check_timestamps (focus=1) at fileio.c:6664
> #23 0x0000555fada1091b in ui_focus_change (in_focus=<optimized out>) at 
> ui.c:3203
> #24 0x0000555fad91fd96 in vgetc () at getchar.c:1670
> #25 0x0000555fad920019 in safe_vgetc () at getchar.c:1801
> #26 0x0000555fad96e775 in normal_cmd (oap=0x7ffe2b90c440, toplevel=1) at 
> normal.c:627
> #27 0x0000555fada5d665 in main_loop (cmdwin=0, noexmode=0) at main.c:1359
> #28 0x0000555fad88d21d in main (argc=<optimized out>, argv=<optimized out>) 
> at main.c:1051
> 
> I am willing to attempt building a newer Vim, but in my experience
> that can be a bit of a bear, and if any of my many, many plugins stop
> working, I expect that I won't be able to keep going on with it.
> 
> I am happy to run gdb commands on the coredump, but I cannot send it
> as I was editing work code at the time, and besides it's 125 megs.
> 
> Let me know how to proceed.
> 

That looks a little bit like the crash reported here: 
https://groups.google.com/d/msg/vim_dev/dOrbhGPQXrM/ILz-xR1eBQAJ
(well at least the last 2 frames, that lead to the crash)

Are you using concealing by any chance? Can you reproduce this crash?

Best,
Christian

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