Bug#1117792: segfaulted when remove zoom user stopped sharing the screen
Yaroslav Halchenko
debian at onerussian.com
Fri Oct 10 21:51:04 BST 2025
Package: libmutter-16-0
Version: 48.5-1
Severity: important
I think it coincided/was triggered when both of us had screen sharing on (for
me - entire desktop) and then remote user stopped sharing to see my screen and
that cause the kaboom, which journalctl captured as
Oct 10 16:21:36 bilena gnome-shell[1583928]: Can't update stage views actor unnamed [MetaWindowActorX11] is on because it needs an allocation.
Oct 10 16:21:36 bilena gnome-shell[1583928]: Can't update stage views actor unnamed [MetaSurfaceActorX11] is on because it needs an allocation.
Oct 10 16:21:36 bilena kernel: gnome-shell[1583928]: segfault at fffffffffffffc48 ip 00007f3cc61059a2 sp 00007ffe3debab80 error 5 in libmutter-16.so.0.0.0[1059a2,7f3cc6068000+1b3000] likely on CPU 4 (core 8, socket 0)
Oct 10 16:21:36 bilena kernel: Code: 0f 1f 84 00 00 00 00 00 f3 0f 1e fa 41 56 49 89 ce 41 55 49 89 d5 41 54 41 89 f4 55 48 89 fd 53 48 63 1d f9 e7 1f 00 48 01 fb <48> 8b 7b 08 e8 a5 d6 f6 ff 83 43 34 01 4d 89 f0 4c 89 e9 >
Oct 10 16:21:36 bilena polkitd[1557]: Unregistered Authentication Agent for unix-session:510 (system bus name :1.2525, object path /org/freedesktop/PolicyKit1/AuthenticationAgent, locale en_US.UTF-8) (disconnected from bus)
Oct 10 16:21:36 bilena gsd-power[1584088]: update_mutter_backlight: assertion 'backlights != NULL' failed
Oct 10 16:21:36 bilena systemd[1583394]: org.gnome.Shell at x11.service: Main process exited, code=killed, status=11/SEGV
Oct 10 16:21:36 bilena chromium.desktop[1590321]: [1590321:1590321:1010/162136.847583:ERROR:content/common/zygote/zygote_communication_linux.cc:293] Failed to send GetTerminationStatus message to zygote
Oct 10 16:21:36 bilena chromium.desktop[1590321]: [1590321:1590321:1010/162136.860410:ERROR:content/common/zygote/zygote_communication_linux.cc:293] Failed to send GetTerminationStatus message to zygote
Oct 10 16:21:36 bilena chromium.desktop[1590321]: [1590321:1590321:1010/162136.862638:ERROR:content/common/zygote/zygote_communication_linux.cc:293] Failed to send GetTerminationStatus message to zygote
Oct 10 16:21:36 bilena chromium.desktop[1590321]: [1590321:1590321:1010/162136.866020:ERROR:content/common/zygote/zygote_communication_linux.cc:293] Failed to send GetTerminationStatus message to zygote
Oct 10 16:21:36 bilena chromium.desktop[1590321]: [1590321:1590321:1010/162136.930202:ERROR:content/common/zygote/zygote_communication_linux.cc:293] Failed to send GetTerminationStatus message to zygote
Oct 10 16:21:36 bilena chromium.desktop[1590321]: [1590321:1590321:1010/162136.937856:ERROR:content/common/zygote/zygote_communication_linux.cc:293] Failed to send GetTerminationStatus message to zygote
Oct 10 16:21:36 bilena chromium.desktop[1590321]: [1590321:1590321:1010/162136.946702:ERROR:content/common/zygote/zygote_communication_linux.cc:293] Failed to send GetTerminationStatus message to zygote
Oct 10 16:21:36 bilena chromium.desktop[1590321]: [1590321:1590321:1010/162136.949262:ERROR:content/common/zygote/zygote_communication_linux.cc:293] Failed to send GetTerminationStatus message to zygote
Oct 10 16:21:36 bilena systemd[1583394]: org.gnome.Shell at x11.service: Failed with result 'signal'.
Oct 10 16:21:36 bilena systemd[1583394]: org.gnome.Shell at x11.service: Consumed 3h 55min 2.669s CPU time, 7.5G memory peak, 1.3G memory swap peak.
Oct 10 16:21:36 bilena systemd[1583394]: org.gnome.Shell at x11.service: Triggering OnFailure= dependencies.
Oct 10 16:21:36 bilena systemd[1583394]: org.gnome.Shell at x11.service: Scheduled restart job, restart counter is at 1.
FWIW -- this was a rare event, as the first on the records since June
although some other segfaults happened, never was this one from libmutter-16
-- System Information:
Debian Release: forky/sid
APT prefers testing
APT policy: (900, 'testing'), (600, 'unstable'), (300, 'experimental'), (100, 'stable-updates'), (100, 'stable-security'), (100, 'stable')
Architecture: amd64 (x86_64)
Foreign Architectures: i386
Kernel: Linux 6.16.9+deb14-amd64 (SMP w/20 CPU threads; PREEMPT)
Kernel taint flags: TAINT_PROPRIETARY_MODULE, TAINT_OOT_MODULE, TAINT_UNSIGNED_MODULE
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8), LANGUAGE not set
Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled
Versions of packages libmutter-16-0 depends on:
ii adwaita-icon-theme 49.0-1
ii gsettings-desktop-schemas 49.0-1
ii libatk1.0-0t64 2.58.0-1
ii libc6 2.41-12
ii libcairo2 1.18.4-1+b1
ii libcanberra0 0.30-18
ii libcolord2 1.4.8-1
ii libdisplay-info2 0.2.0-2
ii libdrm2 2.4.125-2
ii libegl1 1.7.0-1+b2
ii libeis1 1.5.0-2
ii libfribidi0 1.0.16-1
ii libgbm1 25.2.3-1
ii libgdk-pixbuf-2.0-0 2.42.12+dfsg-5
ii libgl1 1.7.0-1+b2
ii libglib2.0-0t64 2.84.4-3
ii libgnome-desktop-4-2t64 44.4-1
ii libgraphene-1.0-0 1.10.8-5
ii libgudev-1.0-0 238-7
ii libharfbuzz0b 11.4.5-1
ii libice6 2:1.1.1-1
ii libinput10 1.28.1-1
ii liblcms2-2 2.16-2
ii libpango-1.0-0 1.56.3-2
ii libpangocairo-1.0-0 1.56.3-2
ii libpipewire-0.3-0t64 1.4.8-1
ii libpixman-1-0 0.44.0-3
ii libsm6 2:1.2.6-1
ii libstartup-notification0 0.12-8
ii libsystemd0 258-1
ii libudev1 258-1
ii libwacom9 2.16.1-1
ii libwayland-server0 1.24.0-2+b1
ii libx11-6 2:1.8.12-1
ii libx11-xcb1 2:1.8.12-1
ii libxau6 1:1.0.11-1
ii libxcb-randr0 1.17.0-2+b1
ii libxcb-res0 1.17.0-2+b1
ii libxcb1 1.17.0-2+b1
ii libxcomposite1 1:0.4.6-1
ii libxcursor1 1:1.2.3-1
ii libxdamage1 1:1.1.6-1+b2
ii libxext6 2:1.3.4-1+b3
ii libxfixes3 1:6.0.0-2+b4
ii libxi6 2:1.8.2-1
ii libxinerama1 2:1.1.4-3+b4
ii libxkbcommon-x11-0 1.7.0-2.1
ii libxkbcommon0 1.7.0-2.1
ii libxkbfile1 1:1.1.0-1+b4
ii libxrandr2 2:1.5.4-1+b3
ii libxtst6 2:1.2.5-1
ii mutter-common 48.5-1
ii mutter-common-bin 48.5-1
libmutter-16-0 recommends no packages.
libmutter-16-0 suggests no packages.
Versions of packages libmutter-16-0 is related to:
ii libegl-mesa0 [libegl-vendor] 25.2.3-1
ii libgl1-mesa-dri 25.2.3-1
ii libglx-mesa0 [libglx-vendor] 25.2.3-1
ii libglx-nvidia0 [libglx-vendor] 550.163.01-2
ii nvidia-egl-icd [libegl-vendor] 550.163.01-2
-- no debconf information
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