Package: xfwm4 Version: 4.14.0-2 Severity: wishlist Dear Maintainer,
xfwm4 process after 10-15 days of uptime gradually starts to consume significant amounts of CPU: - up to 15-18% of a CPU core in completely idle state - up to 80-100% of a CPU core when switching between windows with alt-tab For reference, immediately after launch the process consumes between 0.7% and 1% of a CPU core when idle. Additionally, opengl-based applications are also negatively affected (lower framerate and increased CPU load) by xfwm4 when it is in such laggy state. I am using Intel HD630 GPU, I have not tried to reproduce this on other hardware, however I never had this problem in xfce 4.12 or before. What I have tried: - changing vblank mode of xfwm4: has no effect - the bug manifests with all vblank modes - changing xorg driver: has no effect - the bug manifests both with 'intel' and 'modesetting' drivers - changing TearFree option of 'intel' xorg driver on/off: no effect - the bug manifests regardless of the state of this setting - restarting xfwm periodically (menu -> run -> xfwm4 --replace) - this fixes the problem until it surfaces again after the same period of time This is a very significant regression compared to xfwm in xfce 4.12. The upstream has not been able to fix this during last 8 months: https://bugzilla.xfce.org/show_bug.cgi?id=15963 -- System Information: Debian Release: bullseye/sid APT prefers unstable APT policy: (500, 'unstable'), (1, 'experimental') Architecture: amd64 (x86_64) Foreign Architectures: i386 Kernel: Linux 5.4.0-1-amd64 (SMP w/8 CPU cores) Kernel taint flags: TAINT_PROPRIETARY_MODULE, TAINT_OOT_MODULE, TAINT_UNSIGNED_MODULE Locale: LANG=en_US.utf8, LC_CTYPE=en_US.utf8 (charmap=UTF-8), LANGUAGE=en_US:en (charmap=UTF-8) Shell: /bin/sh linked to /bin/dash Init: systemd (via /run/systemd/system) LSM: AppArmor: enabled Versions of packages xfwm4 depends on: ii libc6 2.29-7 ii libcairo2 1.16.0-4 ii libepoxy0 1.5.4-1 ii libgdk-pixbuf2.0-0 2.40.0+dfsg-2 ii libglib2.0-0 2.62.4-1 ii libgtk-3-0 3.24.13-1 ii libpango-1.0-0 1.42.4-8 ii libpangocairo-1.0-0 1.42.4-8 ii libstartup-notification0 0.12-6 ii libwnck-3-0 3.32.0-1 ii libx11-6 2:1.6.8-1 ii libxcomposite1 1:0.4.5-1 ii libxdamage1 1:1.1.5-1 ii libxext6 2:1.3.3-1+b2 ii libxfce4ui-2-0 4.14.1-1+b1 ii libxfce4util7 4.14.0-1 ii libxfconf-0-3 4.14.1-1 ii libxfixes3 1:5.0.3-1 ii libxi6 2:1.7.9-1 ii libxinerama1 2:1.1.4-2 ii libxpresent1 1.0.0-2+b10 ii libxrandr2 2:1.5.1-1 ii libxrender1 1:0.9.10-1 Versions of packages xfwm4 recommends: ii librsvg2-common 2.46.4-1 Versions of packages xfwm4 suggests: ii xfce4 4.14 -- no debconf information
