Public bug reported:
PID: 3061 (kscreen-doctor)
UID: 1000 (user)
GID: 1000 (user)
Signal: 6 (ABRT)
Timestamp: Fri 2026-05-08 07:18:24 BST (6min ago)
Command Line: kscreen-doctor --dpms on
Executable: /usr/bin/kscreen-doctor
Control Group:
/user.slice/user-1000.slice/[email protected]/app.slice/go-hass-agent.service
Unit: [email protected]
User Unit: go-hass-agent.service
Slice: user-1000.slice
Owner UID: 1000 (user)
Boot ID: 9794fdd93f7743dca6f5e54cf995a64e
Machine ID: a481bcc95ffd47d28def4d373f8d09f8
Hostname: kubuntu
Storage:
/var/lib/systemd/coredump/core.kscreen-doctor.1000.9794fdd93f7743dca6f5e54cf995a64e.3061.1778221104000000.zst
(present)
Size on Disk: 392.3K
Package: libkscreen/4:6.6.4-0ubuntu1
build-id: 789e740aed03e8ff652343e0b96316cd6e9de7c0
Message: Process 3061 (kscreen-doctor) of user 1000 dumped core.
Module /usr/bin/kscreen-doctor from deb
libkscreen-4:6.6.4-0ubuntu1.amd64
Module linux-vdso.so.1 from deb linux-7.0.0-15.15.amd64
Module libuuid.so.1 from deb util-linux-2.41.3-3ubuntu2.amd64
Module libxcb-util.so.1 from deb xcb-util-0.4.1-1build1.amd64
Module libxkbcommon-x11.so.0 from deb
libxkbcommon-1.13.1-1.amd64
Module libxcb-xinput.so.0 from deb libxcb-1.17.0-2ubuntu1.amd64
Module libICE.so.6 from deb libice-2:1.1.1-1build1.amd64
Module libSM.so.6 from deb libsm-2:1.2.6-1build1.amd64
Module libX11-xcb.so.1 from deb libx11-2:1.8.13-1.amd64
Module libxcb-xkb.so.1 from deb libxcb-1.17.0-2ubuntu1.amd64
Module libxcb-xfixes.so.0 from deb libxcb-1.17.0-2ubuntu1.amd64
Module libxcb-sync.so.1 from deb libxcb-1.17.0-2ubuntu1.amd64
Module libxcb-shm.so.0 from deb libxcb-1.17.0-2ubuntu1.amd64
Module libxcb-shape.so.0 from deb libxcb-1.17.0-2ubuntu1.amd64
Module libxcb-render-util.so.0 from deb
xcb-util-renderutil-0.3.10-1build1.amd64
Module libxcb-render.so.0 from deb libxcb-1.17.0-2ubuntu1.amd64
Module libxcb-randr.so.0 from deb libxcb-1.17.0-2ubuntu1.amd64
Module libxcb-keysyms.so.1 from deb
xcb-util-keysyms-0.4.1-1build1.amd64
Module libxcb-image.so.0 from deb
xcb-util-image-0.4.0-2build2.amd64
Module libxcb-icccm.so.4 from deb
xcb-util-wm-0.4.2-1build1.amd64
Module libxcb-cursor.so.0 from deb xcb-util-cursor-0.1.6-1.amd64
Module libQt6XcbQpa.so.6 from deb qt6-base-6.10.2+dfsg-7.amd64
Module libqxcb.so from deb qt6-base-6.10.2+dfsg-7.amd64
Module libbrotlicommon.so.1 from deb brotli-1.2.0-3build1.amd64
Module libsystemd.so.0 from deb systemd-259.5-0ubuntu3.amd64
Module libgomp.so.1 from deb gcc-16-16-20260322-1ubuntu1.amd64
Module libicudata.so.78 from deb icu-78.2-2ubuntu1.amd64
Module libbrotlidec.so.1 from deb brotli-1.2.0-3build1.amd64
Module libbz2.so.1.0 from deb bzip2-1.0.8-6build2.amd64
Module libgraphite2.so.3 from deb
graphite2-1.3.14-11ubuntu1.amd64
Module libpcre2-8.so.0 from deb pcre2-10.46-1build1.amd64
Module libatomic.so.1 from deb gcc-16-16-20260322-1ubuntu1.amd64
Module libexpat.so.1 from deb expat-2.7.4-1.amd64
Module libGLdispatch.so.0 from deb libglvnd-1.7.0-3.amd64
Module libffi.so.8 from deb libffi-3.5.2-4.amd64
Module libwayland-cursor.so.0 from deb wayland-1.24.0-2.amd64
Module libXdmcp.so.6 from deb libxdmcp-1:1.1.5-2.amd64
Module libXau.so.6 from deb libxau-1:1.0.11-1build2.amd64
Module libdbus-1.so.3 from deb dbus-1.16.2-2ubuntu4.amd64
Module libzstd.so.1 from deb libzstd-1.5.7+dfsg-3.amd64
Module libpcre2-16.so.0 from deb pcre2-10.46-1build1.amd64
Module libb2.so.1 from deb libb2-0.98.1-1.1build2.amd64
Module libdouble-conversion.so.3 from deb
double-conversion-3.4.0-1.amd64
Module libicuuc.so.78 from deb icu-78.2-2ubuntu1.amd64
Module libicui18n.so.78 from deb icu-78.2-2ubuntu1.amd64
Module libz.so.1 from deb
zlib-1:1.3.dfsg+really1.3.1-1ubuntu3.amd64
Module libfreetype.so.6 from deb freetype-2.14.2+dfsg-1.amd64
Module libmd4c.so.0 from deb md4c-0.5.2-2build1.amd64
Module libharfbuzz.so.0 from deb harfbuzz-12.3.2-2.amd64
Module libpng16.so.16 from deb libpng1.6-1.6.57-1.amd64
Module libOpenGL.so.0 from deb libglvnd-1.7.0-3.amd64
Module libGLX.so.0 from deb libglvnd-1.7.0-3.amd64
Module libxkbcommon.so.0 from deb libxkbcommon-1.13.1-1.amd64
Module libglib-2.0.so.0 from deb glib2.0-2.88.0-1.amd64
Module libX11.so.6 from deb libx11-2:1.8.13-1.amd64
Module libfontconfig.so.1 from deb
fontconfig-2.17.1-3ubuntu1.amd64
Module libEGL.so.1 from deb libglvnd-1.7.0-3.amd64
Module libwayland-client.so.0 from deb wayland-1.24.0-2.amd64
Module libQt6WaylandClient.so.6 from deb
qt6-base-6.10.2+dfsg-7.amd64
Module libxcb-dpms.so.0 from deb libxcb-1.17.0-2ubuntu1.amd64
Module libxcb.so.1 from deb libxcb-1.17.0-2ubuntu1.amd64
Module libQt6DBus.so.6 from deb qt6-base-6.10.2+dfsg-7.amd64
Module libgcc_s.so.1 from deb gcc-16-16-20260322-1ubuntu1.amd64
Module libstdc++.so.6 from deb gcc-16-16-20260322-1ubuntu1.amd64
Module libQt6Core.so.6 from deb qt6-base-6.10.2+dfsg-7.amd64
Module libQt6Gui.so.6 from deb qt6-base-6.10.2+dfsg-7.amd64
Module libKF6ScreenDpms.so.8 from deb
libkscreen-4:6.6.4-0ubuntu1.amd64
Module libKF6Screen.so.8 from deb
libkscreen-4:6.6.4-0ubuntu1.amd64
Stack trace of thread 3061:
#0 0x00007a42c74a648c __pthread_kill_implementation (libc.so.6
+ 0xa648c)
#1 0x00007a42c7445b7e __GI_raise (libc.so.6 + 0x45b7e)
#2 0x00007a42c74288ec __GI_abort (libc.so.6 + 0x288ec)
#3 0x00007a42c7cc389f n/a (libQt6Core.so.6 + 0xc389f)
#4 0x00007a42c7cc43e8 _ZNK14QMessageLogger5fatalEPKcz
(libQt6Core.so.6 + 0xc43e8)
#5 0x00007a42c8335503 n/a (libQt6Gui.so.6 + 0x135503)
#6 0x00007a42c83d3038
_ZN22QGuiApplicationPrivate21createEventDispatcherEv (libQt6Gui.so.6 + 0x1d3038)
#7 0x00007a42c7d92200 _ZN23QCoreApplicationPrivate4initEv
(libQt6Core.so.6 + 0x192200)
#8 0x00007a42c83d30cd _ZN22QGuiApplicationPrivate4initEv
(libQt6Gui.so.6 + 0x1d30cd)
#9 0x00007a42c83d4329 _ZN15QGuiApplicationC1ERiPPci
(libQt6Gui.so.6 + 0x1d4329)
#10 0x00005ce1c4c1ac04 n/a (/usr/bin/kscreen-doctor + 0x9c04)
#11 0x00007a42c742a601 __libc_start_call_main (libc.so.6 +
0x2a601)
#12 0x00007a42c742a718 __libc_start_main_impl (libc.so.6 +
0x2a718)
#13 0x00005ce1c4c1c995 n/a (/usr/bin/kscreen-doctor + 0xb995)
ELF object binary architecture: AMD x86-64
** Affects: pulseaudio (Ubuntu)
Importance: Undecided
Status: New
** Attachment added:
"core.kscreen-doctor.1000.9794fdd93f7743dca6f5e54cf995a64e.3061.1778221104000000.zst"
https://bugs.launchpad.net/bugs/2151844/+attachment/5968828/+files/core.kscreen-doctor.1000.9794fdd93f7743dca6f5e54cf995a64e.3061.1778221104000000.zst
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https://bugs.launchpad.net/bugs/2151844
Title:
kscreen-doctor crashes
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