Random picom crash

[toomuchsalt]

Platform

Ubuntu 20.10

GPU, drivers, and screen setup

NVidia GTX 2070, nvidia-drivers 450.80.02, one monitor, 2560x1440@144 packages.log glxinfo.log

Environment

xfce-desktop kernel Linux 5.8.0-26-generic

picom version

➤ picom --version
vgit-248bf
➤ picom --diagnostics
**Version:** vgit-248bf

### Extensions:

* Shape: Yes
* XRandR: Yes
* Present: Present

### Misc:

* Use Overlay: Yes
* Config file used: /home/vplazun/.config/picom/picom.conf

### Drivers (inaccurate):

NVIDIA

Configuration:

#################################
#             Shadows           #
#################################

shadow = true;

shadow-radius = 7;

shadow-offset-x = -7;

shadow-exclude = [
  "name = 'Notification'",
  "class_g = 'Conky'",
  "class_g ?= 'Notify-osd'",
  "class_g = 'Cairo-clock'",
  "_GTK_FRAME_EXTENTS@:c",
  "class_g = 'Firefox' && !window_type *= 'menu'",
  "class_g = 'Nightly' && !window_type *= 'menu'"
];

#################################
#           Fading              #
#################################

fading = true
fade-in-step = 0.1;
fade-out-step = 0.1;

#################################
#   Transparency / Opacity      #
#################################

inactive-opacity = 1.0;

frame-opacity = 1.0;
inactive-opacity-override = false;
inactive-dim = 0.1
focus-exclude = [ "class_g = 'Cairo-clock'" ];
blur-kern = "";
# blur-kern = "3x3box";

blur-background-exclude = [
  "window_type = 'dock'",
  "window_type = 'desktop'",
  "_GTK_FRAME_EXTENTS@:c"
];

backend = "glx";
vsync = true
mark-wmwin-focused = true;
mark-ovredir-focused = true;
detect-rounded-corners = true;
detect-client-opacity = true;
refresh-rate = 0
detect-transient = true
detect-client-leader = true
glx-no-stencil = true
glx-no-rebind-pixmap = true
use-damage = true
xrender-sync-fence = false
log-level = "warn";

log-file = "*HOME*/.picom.log";

wintypes:
{
  tooltip = { fade = true; shadow = true; opacity = 1.0; focus = true; full-shadow = false; };
  dock = { shadow = false; }
  dnd = { shadow = false; }
  popup_menu = { opacity = 1.0; shadow = false; }
  dropdown_menu = { opacity = 1.0; shadow = false; }
};

Steps of reproduction

Not sure, it just crashes occasionally when unlocking desktop, using Clion or anything else

Expected behavior

Current Behavior

Crash when switching widnows or unlocking desktop

Stack trace

core.tar.gz

Other details

[tryone144]

Assertion fails in win_on_win_size_change() for a window in state WSTATE_UNMAPPING. Duplicate of #525.

[BachoSeven]

The aforementioned #525 was closed just yesterday, so I think this can be closed as well.

[yshui]

@BachoSeven Thanks.

@toomuchsalt if this still happens after you upgrade, be sure to leave a comment here