Bug#1053228: picom: runs out of XIDs

[Gregor Zattler]

Package: picom
Version: 9.1-1
Severity: normal

Dear Maintainer,

I started ppicom in the background and used the graphical
environment.

I use picom in order to use alpha-transarency with emacs. Today the
window of emacs does not show the background, although configured to do
so and it did in the past.

When I came back to the session X was gone and I see the following in my
(gnu) screen:


Xlib: ignoring invalid extension event 161
Xlib: ignoring invalid extension event 161
Xlib: ignoring invalid extension event 161
Xlib: ignoring invalid extension event 161
Xlib: ignoring invalid extension event 161
Xlib: ignoring invalid extension event 161
Xlib: ignoring invalid extension event 161
Xlib: ignoring invalid extension event 161
Xlib: ignoring invalid extension event 161
Xlib: ignoring invalid extension event 161
Xlib: ignoring invalid extension event 161
Xlib: ignoring invalid extension event 161
Xlib: ignoring invalid extension event 161
Xlib: ignoring invalid extension event 161
Xlib: ignoring invalid extension event 161
Xlib: ignoring invalid extension event 161
Xlib: ignoring invalid extension event 161
Xlib: ignoring invalid extension event 161
Xlib: ignoring invalid extension event 161
Xlib: ignoring invalid extension event 161
Xlib: ignoring invalid extension event 161
Xlib: ignoring invalid extension event 161
Xlib: ignoring invalid extension event 161
Xlib: ignoring invalid extension event 161
Xlib: ignoring invalid extension event 161
Xlib: ignoring invalid extension event 161
Xlib: ignoring invalid extension event 161
Xlib: ignoring invalid extension event 161
Xlib: ignoring invalid extension event 161
Xlib: ignoring invalid extension event 161
Xlib: ignoring invalid extension event 161
Xlib: ignoring invalid extension event 161
Xlib: ignoring invalid extension event 161
Xlib: ignoring invalid extension event 161
Xlib: ignoring invalid extension event 161
Xlib: ignoring invalid extension event 161
Xlib: ignoring invalid extension event 161
[ 29.09.2023 19:01:43.703 x_create_picture_with_pictfmt_and_pixmap ERROR ] failed to create picture (X error 9 DRAWABLE request 139 minor 4 serial 1828440)
[ 29.09.2023 19:01:43.705 paint_one ERROR ] Window 0x01600019 is missing painting data.
Xlib: ignoring invalid extension event 161
Xlib: ignoring invalid extension event 161
[ 29.09.2023 19:01:43.871 x_new_id FATAL ERROR ] We seems to have run of XIDs. This is either a bug in the X server, or a resource leakage in the compositor. Please open an issue about this problem. The compositor will die.


There are plenty more of these "ignoring invalid extension" lines, some
with event 146 instead of 161.

* What outcome did you expect instead?

To see the background image of my desktop through the emacs window,
picom not to crash.


I wouldn't know how to debug this, but am happy to answer questions.

Thanks, Gregor


-- System Information:
Debian Release: 12.1
APT prefers stable-updates
APT policy: (500, 'stable-updates'), (500, 'stable-security'), (500, 'stable')
Architecture: amd64 (x86_64)

Kernel: Linux 6.1.0-12-amd64 (SMP w/4 CPU threads; PREEMPT)
Locale: LANG=de_DE.utf8, LC_CTYPE=de_DE.utf8 (charmap=UTF-8), LANGUAGE=en_US:en
Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled

Versions of packages picom depends on:
ii libc6 2.36-9+deb12u1
ii libconfig9 1.5-0.4
ii libdbus-1-3 1.14.8-2~deb12u1
ii libev4 1:4.33-1
ii libgl1 1.6.0-1
ii libpcre3 2:8.39-15
ii libpixman-1-0 0.42.2-1
ii libx11-6 2:1.8.4-2+deb12u1
ii libx11-xcb1 2:1.8.4-2+deb12u1
ii libxcb-composite0 1.15-1
ii libxcb-damage0 1.15-1
ii libxcb-glx0 1.15-1
ii libxcb-image0 0.4.0-2
ii libxcb-present0 1.15-1
ii libxcb-randr0 1.15-1
ii libxcb-render-util0 0.3.9-1+b1
ii libxcb-render0 1.15-1
ii libxcb-shape0 1.15-1
ii libxcb-sync1 1.15-1
ii libxcb-xfixes0 1.15-1
ii libxcb-xinerama0 1.15-1
ii libxcb1 1.15-1
ii python3 3.11.2-1+b1

picom recommends no packages.

picom suggests no packages.

-- no debconf information