On 15 October 2017 at 16:26 GMT, Sebastien Marie wrote:
On Sun, Oct 15, 2017 at 11:56:31AM -0400, T.Lux wrote:
On 15 October 2017 at 05:19 GMT, Sebastien Marie wrote:

> 2) recompile the port with debugging symbol, and extract the > backtrace
> of the failure with gdb ?
>
> $ cd /usr/ports/x11/dunst
> $ make FETCH_PACKAGES=yes CFLAGS=-g
> $ gdb /usr/ports/pobj/dunst-1.2.0/dunst-1.2.0/dunst
> (gdb) run
> ...
> Program received signal SIGABRT, Aborted.
> (gdb) backtrace
Attached file (within .tar.gz): gdb_dunst.txt

inlined backtrace for lazy readers.

Starting program: /usr/ports/pobj/dunst-1.2.0/dunst-1.2.0/dunst
[New process 11913]

Program received signal SIGABRT, Aborted.
_dl___syscall () at -:1
1       -: No such file or directory.
        in -
Current language:  auto; currently asm
#0  _dl___syscall () at -:1
#1  0x0000050ef1a00d38 in _dl_tryload_shlib (
libname=0x50ef1c14b50 "/usr/local/lib/gdk-pixbuf-2.0/2.10.0/loaders/libpixbufloader-png.so", type=Variable "type" is not available.
) at syscall.h:67
#2 0x0000050ef1a08d70 in _dl_load_shlib (libname=Variable "libname" is not available.
) at /usr/src/libexec/ld.so/library_subr.c:421
#3 0x0000050ef1a094f7 in dlopen (libname=0x50ee660f500 "/usr/local/lib/gdk-pixbuf-2.0/2.10.0/loaders/libpixbufloader-png.so",
    flags=Variable "flags" is not available.
) at /usr/src/libexec/ld.so/dlfcn.c:83
#4  0x0000050f65b4c9a2 in g_module_open (
file_name=0x50f3de7f580 "/usr/local/lib/gdk-pixbuf-2.0/2.10.0/loaders/libpixbufloader-png.so", flags=Variable "flags" is not available.
) at gmodule-dl.c:97
#5 0x0000050eaedeb8db in _gdk_pixbuf_load_module () from /usr/local/lib/libgdk_pixbuf-2.0.so.3200.1 #6 0x0000050eaedec83f in gdk_pixbuf_new_from_file () from /usr/local/lib/libgdk_pixbuf-2.0.so.3200.1 #7 0x0000050ca6b0d1ba in get_pixbuf_from_file (icon_path=0x50f3de7eb80 "/usr/local/share/icons/Moka/16x16/status//info.png")
    at src/x11/x.c:310
#8 0x0000050ca6b0ce31 in get_pixbuf_from_path (icon_path=0x50f844bc980 "info") at src/x11/x.c:349 #9 0x0000050ca6b0c7f6 in r_init_shared (c=0x50f65466000, n=0x50f2ccf8100) at src/x11/x.c:414 #10 0x0000050ca6b0c488 in r_create_layout_from_notification (c=0x50f65466000, n=0x50f2ccf8100) at src/x11/x.c:482 #11 0x0000050ca6b0a011 in r_create_layouts (c=0x50f65466000) at src/x11/x.c:534
#12 0x0000050ca6b09c15 in x_win_draw () at src/x11/x.c:653
#13 0x0000050ca6b02849 in run (data=0x0) at src/dunst.c:242
#14 0x0000050ca6b02dfd in dunst_main (argc=1, argv=0x7f7ffffe8388) at src/dunst.c:378 #15 0x0000050ca6b0dcf2 in main (argc=1, argv=0x7f7ffffe8388) at main.c:5
The program is running.  Exit anyway? (y or n)

OK, my inexperienced analysis is that I'm using icons in my dunstrc which
uses:
(a) /usr/local/lib/gdk-pixbuf-2.0/2.10.0/loaders/libpixbufloader-png.so to load png icons. the latter call mmap(2) with protection "PROT_EXEC" to load icons which failed since pledge(2) was already requested
without "prot_exec" promise.

libgdk_pixbuf-2.0.so tries to load dynamic library with dlopen() on
first need. but it is already too late for pledge.

I would guess that adding the line below into your dunstrc would
reproduce this problem.

 icon_folders = /usr/local/share/icons/gnome/16x16/status/

correct?

unsure. I still couldn't reproduce. it should be part of the problem.
but I don't really know how to use this port :)

A bindly try is to pledge(2) really late... in fact it is at end of the
run() function, just before the sleep, so:
- the program will call pledge(2) at each loop (not a problem per se) - the first loop is unpledged (but as initialization occurs in the
    first loop...)

else we should isolate exactly what trigger dlopen() in the config file,
and run unpledged in this case.
[global]
    font = Dejavu Sans Mono-7,FontAwesome-7
    # Allow a small subset of html markup:
    #   <b>bold</b>
    #   <i>italic</i>
    #   <s>strikethrough</s>
    #   <u>underline</u>
    #
    # For a complete reference see
    # <http://developer.gnome.org/pango/stable/PangoMarkupFormat.html>.
    # If markup is not allowed, those tags will be stripped out of the
    # message.
    allow_markup = yes

    # The format of the message.  Possible variables are:
    #   %a  appname
    #   %s  summary
    #   %b  body
    #   %i  iconname (including its path)
    #   %I  iconname (without its path)
    #   %p  progress value if set ([  0%] to [100%]) or nothing
    # Markup is allowed
    format = "<u>%a </u>\n<b>%s</b>\n<small>%b</small>"

    # Sort messages by urgency.
    sort = yes

    # Show how many messages are currently hidden (because of geometry).
    indicate_hidden = yes

    # Alignment of message text.
    # Possible values are "left", "center" and "right".
    alignment = left

    # The frequency with wich text that is longer than the notification
    # window allows bounces back and forth.
    # This option conflicts with "word_wrap".
    # Set to 0 to disable.
    bounce_freq = 0

    # Show age of message if message is older than show_age_threshold
    # seconds.
    # Set to -1 to disable.
    show_age_threshold = 120

    # Split notifications into multiple lines if they don't fit into
    # geometry.
    word_wrap = yes

    # Ignore newlines '\n' in notifications.
    ignore_newline = no


    # The geometry of the window:
    #   [{width}]x{height}[+/-{x}+/-{y}]
    # The geometry of the message window.
    # The height is measured in number of notifications everything else
    # in pixels.  If the width is omitted but the height is given
    # ("-geometry x2"), the message window expands over the whole screen
    # (dmenu-like).  If width is 0, the window expands to the longest
    # message displayed.  A positive x is measured from the left, a
    # negative from the right side of the screen.  Y is measured from
    # the top and down respectevly.
    # The width can be negative.  In this case the actual width is the
    # screen width minus the width defined in within the geometry option.
    geometry = "0x10+0-0"

    # Shrink window if it's smaller than the width.  Will be ignored if
    # width is 0.
    shrink = no

    # The transparency of the window.  Range: [0; 100].
    # This option will only work if a compositing windowmanager is
    # present (e.g. xcompmgr, compiz, etc.).
    transparency = 10

    # Don't remove messages, if the user is idle (no mouse or keyboard input)
    # for longer than idle_threshold seconds.
    # Set to 0 to disable.
    idle_threshold = 120

    # Which monitor should the notifications be displayed on.
    monitor = 0

    # Display notification on focused monitor.  Possible modes are:
    #   mouse: follow mouse pointer
    #   keyboard: follow window with keyboard focus
    #   none: don't follow anything
    #
    # "keyboard" needs a windowmanager that exports the
    # _NET_ACTIVE_WINDOW property.
    # This should be the case for almost all modern windowmanagers.
    #
    # If this option is set to mouse or keyboard, the monitor option
    # will be ignored.
    follow = mouse

    # Should a notification popped up from history be sticky or timeout
    # as if it would normally do.
    sticky_history = yes

    # Maximum amount of notifications kept in history
    history_length = 20

    # Display indicators for URLs (U) and actions (A).
    show_indicators = yes

    # The height of a single line.  If the height is smaller than the
    # font height, it will get raised to the font height.
    # This adds empty space above and under the text.
    line_height = 3

    notification_height = 20

    # Draw a line of "separatpr_height" pixel height between two
    # notifications.
    # Set to 0 to disable.
    separator_height = 3

    # Padding between text and separator.
    padding = 0

    # Horizontal padding.
    horizontal_padding = 3

    # Define a color for the separator.
    # possible values are:
    #  * auto: dunst tries to find a color fitting to the background;
    #  * foreground: use the same color as the foreground;
    #  * frame: use the same color as the frame;
    #  * anything else will be interpreted as a X color.
    separator_color = auto

    # Print a notification on startup.
    # This is mainly for error detection, since dbus (re-)starts dunst
    # automatically after a crash.
    startup_notification = true

    # dmenu path.
    dmenu = /usr/local/bin/rofi -dmenu -p dunst:

    # Browser for opening urls in context menu.
    browser = xdg-open

    # Align icons left/right/off
    icon_position = left

    # Paths to default icons.
    icon_folders = 
/usr/local/share/icons/Moka/16x16/emblems/:/usr/local/share/icons/Moka/16x16/status/:/usr/local/share/icons/Moka/16x16/devices/

[frame]
    width = 5
    color = "#2f343f"

[shortcuts]

    # Shortcuts are specified as [modifier+][modifier+]...key
    # Available modifiers are "ctrl", "mod1" (the alt-key), "mod2",
    # "mod3" and "mod4" (windows-key).
    # Xev might be helpful to find names for keys.

    # Close notification.
    close = ctrl+space

    # Close all notifications.
    close_all = ctrl+shift+space

    # Redisplay last message(s).
    # On the US keyboard layout "grave" is normally above TAB and left
    # of "1".
    history = ctrl+grave

    # Context menu.
    context = ctrl+shift+period

[urgency_low]
    # IMPORTANT: colors have to be defined in quotation marks.
    # Otherwise the "#" and following would be interpreted as a comment.
    background = "#2f343f"
    foreground = "#f3f4f5"
    timeout = 5

[urgency_normal]
    background = "#2f343f"
    foreground = "#f3f4f5"
    timeout = 10

[urgency_critical]
    background = "#E53935"
    foreground = "#f3f4f5""
    timeout = 0


# Every section that isn't one of the above is interpreted as a rules to
# override settings for certain messages.
# Messages can be matched by "appname", "summary", "body", "icon", "category",
# "msg_urgency" and you can override the "timeout", "urgency", "foreground",
# "background", "new_icon" and "format".
# Shell-like globbing will get expanded.
#
# SCRIPTING
# You can specify a script that gets run when the rule matches by
# setting the "script" option.
# The script will be called as follows:
#   script appname summary body icon urgency
# where urgency can be "LOW", "NORMAL" or "CRITICAL".
#
# NOTE: if you don't want a notification to be displayed, set the format
# to "".
# NOTE: It might be helpful to run dunst -print in a terminal in order
# to find fitting options for rules.

[notify_mpd]
    appname = "*mpd"
    format = "<u>%a</u>\n<b>%s</b>"

[mopidy]
    appname = "mopidy"
    format = "<u>%a</u>\n<b>%s</b>"

#[script-test]
#    summary = "*script*"
#    script = dunst_test.sh

#[ignore]
#    # This notification will not be displayed
#    summary = "foobar"
#    format = ""

#[signed_on]
#    appname = Pidgin
#    summary = "*signed on*"
#    urgency = low
#
#[signed_off]
#    appname = Pidgin
#    summary = *signed off*
#    urgency = low
#
#[says]
#    appname = Pidgin
#    summary = *says*
#    urgency = critical
#
#[twitter]
#    appname = Pidgin
#    summary = *twitter.com*
#    urgency = normal
#
# vim: ft=cfg

Your diff fix my problem, thank you for that! As to why you cannot
reproduce it with the addition of the icon_folders directive in your
configuration file is quite strange.
I've attached the configuration file I am using, just in case... just
launch it with dunst -config /path/to/config/file

Regards,
Thierry

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