Thank you for your answer,
output of inxi
System:
Kernel: 5.18.19-200.fc36.x86_64 arch: x86_64 bits: 64 compiler: gcc
v: 2.37-27.fc36 Desktop: KDE Plasma v: 5.25.4
Distro: Fedora release 36 (Thirty Six)
Machine:
Type: Laptop System: LENOVO product: 42433WG v: ThinkPad T520
serial: <superuser required>
Mobo: LENOVO model: 42433WG serial: <superuser required>
UEFI-[Legacy]: LENOVO v: 8AET54WW (1.34 ) date: 11/02/2011
Battery:
ID-1: BAT0 charge: 51.8 Wh (97.0%) condition: 53.4/56.2 Wh (95.0%)
volts: 11.8 min: 10.8 model: LGC 42T4911 status: discharging
CPU:
Info: dual core model: Intel Core i5-2520M bits: 64 type: MT MCP
arch: Sandy Bridge rev: 7 cache: L1: 128 KiB L2: 512 KiB L3: 3 MiB
Speed (MHz): avg: 1278 high: 1608 min/max: 800/3200 cores: 1: 852 2: 1100
3: 1608 4: 1555 bogomips: 19934
Flags: avx ht lm nx pae sse sse2 sse3 sse4_1 sse4_2 ssse3
Graphics:
Device-1: Intel 2nd Generation Core Processor Family Integrated Graphics
vendor: Lenovo ThinkPad T520 driver: i915 v: kernel arch: Gen6
bus-ID: 00:02.0
Display: x11 server: X.Org v: 1.20.14 with: Xwayland v: 22.1.3 driver: X:
loaded: modesetting gpu: i915 resolution: 1920x1080~60Hz
OpenGL: renderer: Mesa Intel HD Graphics 3000 (SNB GT2)
v: 3.3 Mesa 22.1.7 direct render: Yes
Audio:
Device-1: Intel 6 Series/C200 Series Family High Definition Audio
vendor: Lenovo ThinkPad T520 driver: snd_hda_intel v: kernel
bus-ID: 00:1b.0
Sound Server-1: ALSA v: k5.18.19-200.fc36.x86_64 running: yes
Sound Server-2: PulseAudio v: 15.0 running: no
Sound Server-3: PipeWire v: 0.3.56 running: yes
Network:
Device-1: Intel 82579LM Gigabit Network vendor: Lenovo ThinkPad T520
driver: e1000e v: kernel port: 5080 bus-ID: 00:19.0
IF: enp0s25 state: down mac: <filter>
Device-2: Intel Centrino Advanced-N 6205 [Taylor Peak] driver: iwlwifi
v: kernel bus-ID: 03:00.0
IF: wlp3s0 state: up mac: <filter>
IF-ID-1: wwp0s29u1u4i6 state: down mac: <filter>
Bluetooth:
Device-1: Broadcom BCM2045B (BDC-2.1) type: USB driver: btusb v: 0.8
bus-ID: 1-1.4:5
Report: rfkill ID: hci0 rfk-id: 31 state: up address: see --recommends
Drives:
Local Storage: total: 238.47 GiB used: 192.46 GiB (80.7%)
ID-1: /dev/sda vendor: Samsung model: MZ7TE256HMHP-000L7 size: 238.47 GiB
temp: 26 C
Partition:
ID-1: / size: 225.03 GiB used: 192.21 GiB (85.4%) fs: ext4 dev: /dev/dm-0
mapped: luks-861b421f-5672-4d7f-b043-a2bcb33e8656
ID-2: /boot size: 973.4 MiB used: 256.1 MiB (26.3%) fs: ext4
dev: /dev/sda1
Swap:
ID-1: swap-1 type: partition size: 7.77 GiB used: 0 KiB (0.0%)
dev: /dev/sda3
ID-2: swap-2 type: zram size: 7.64 GiB used: 2.98 GiB (39.0%)
dev: /dev/zram0
Sensors:
System Temperatures: cpu: 47.0 C mobo: N/A
Fan Speeds (RPM): cpu: 0 mobo: 65535 fan-2:
Info:
Processes: 311 Uptime: 10d 10h 21m Memory: 7.64 GiB used: 5.77 GiB (75.5%)
Init: systemd target: graphical (5) Compilers: gcc: 12.2.1 clang: 14.0.5
Packages: 7 note: see --pkg Shell: Zsh v: 5.8.1 inxi: 3.3.19
This is the output of the journal when opening the start menu (which happened fast) and when clicking on shutdown, which took about 24 seconds.
Sep 07 08:26:56 d3v.localdomain systemd[1642]: Started dbus-:1.2-org.kde.LogoutPrompt@0.service.
Sep 07 08:27:02 d3v.localdomain kwin_x11[1857]: qt.qpa.xcb: QXcbConnection: XCB error: 3 (BadWindow), sequence: 12591, resource id: 153092112, major code: 15 (QueryTree), minor code: 0
Sep 07 08:27:02 d3v.localdomain kwin_x11[1857]: qt.qpa.xcb: QXcbConnection: XCB error: 3 (BadWindow), sequence: 12629, resource id: 153092133, major code: 18 (ChangeProperty), minor code: 0
Sep 07 08:27:02 d3v.localdomain systemd[1642]: dbus-:1.2-org.kde.LogoutPrompt@0.service: Main process exited, code=exited, status=1/FAILURE
Sep 07 08:27:02 d3v.localdomain systemd[1642]: dbus-:1.2-org.kde.LogoutPrompt@0.service: Failed with result 'exit-code'.
Surprising discovery after logout and login again, opening the Start menu via windows button and the search for installed programs works again.
Bluetooth and Firefox
After further deeper investigation, I was able to determine a connection of Bluetooth and media playback (in FF).
Here is the journal when the Bluetooth speaker is connected, a movie is started on Netflix (FF 104.0.1), the laptop lid is closed (Sleep) and then opened again. In this state, switching between programs suddenly takes dozens of seconds. As does opening the Start menu or interacting with the widget in the system tray. Likewise, the Start menu does not open when the Windows key is pressed and the Start menu search no longer finds an installed program.
Sep 07 08:42:28 d3v.localdomain kwin_x11[134829]: qt.qpa.xcb: QXcbConnection: XCB error: 9 (BadDrawable), sequence: 54148, resource id: 31457587, major code: 14 (GetGeometry), minor code: 0
Sep 07 08:42:28 d3v.localdomain kwin_x11[134829]: qt.qpa.xcb: QXcbConnection: XCB error: 9 (BadDrawable), sequence: 54149, resource id: 31457587, major code: 14 (GetGeometry), minor code: 0
Sep 07 08:42:28 d3v.localdomain kwin_x11[134829]: qt.qpa.xcb: QXcbConnection: XCB error: 9 (BadDrawable), sequence: 54150, resource id: 31457587, major code: 14 (GetGeometry), minor code: 0
Sep 07 08:42:28 d3v.localdomain kwin_x11[134829]: qt.qpa.xcb: QXcbConnection: XCB error: 9 (BadDrawable), sequence: 54151, resource id: 31457587, major code: 14 (GetGeometry), minor code: 0
Sep 07 08:42:28 d3v.localdomain kwin_x11[134829]: qt.qpa.xcb: QXcbConnection: XCB error: 9 (BadDrawable), sequence: 54152, resource id: 31457587, major code: 14 (GetGeometry), minor code: 0
Sep 07 08:43:43 d3v.localdomain plasmashell[136121]: libva info: VA-API version 1.14.0
Sep 07 08:43:43 d3v.localdomain plasmashell[136121]: libva info: Trying to open /usr/lib64/dri/iHD_drv_video.so
Sep 07 08:43:43 d3v.localdomain plasmashell[136121]: libva info: va_openDriver() returns -1
Sep 07 08:43:43 d3v.localdomain plasmashell[136121]: libva info: Trying to open /usr/lib64/dri/i965_drv_video.so
Sep 07 08:43:43 d3v.localdomain plasmashell[136121]: libva info: Found init function __vaDriverInit_1_14
Sep 07 08:43:43 d3v.localdomain plasmashell[136121]: failed to open /usr/lib64/dri/hybrid_drv_video.so
Sep 07 08:43:43 d3v.localdomain plasmashell[136121]: Not using hybrid_drv_video.so
Sep 07 08:43:43 d3v.localdomain plasmashell[136121]: libva info: va_openDriver() returns 0
Sep 07 08:44:07 d3v.localdomain wireplumber[1827]: error reading timerfd: Resource temporarily unavailable
Sep 07 08:44:47 d3v.localdomain kded5[134828]: org.kde.plasma.nm.kded: Unhandled active connection state change: 3
Sep 07 08:44:48 d3v.localdomain kscreenlocker_greet[137862]: Qt: Session management error: networkIdsList argument is NULL
Sep 07 08:44:48 d3v.localdomain kscreenlocker_greet[137862]: file:///usr/share/plasma/look-and-feel/org.kde.breeze.desktop/contents/components/UserList.qml:43:9: Unable to assign [undefined] to bool
Sep 07 08:44:48 d3v.localdomain kscreenlocker_greet[137862]: file:///usr/share/plasma/look-and-feel/org.kde.breeze.desktop/contents/components/UserList.qml:43:9: Unable to assign [undefined] to bool
Sep 07 08:44:49 d3v.localdomain wireplumber[1827]: 0x5580903aae98: error 24
Sep 07 08:45:15 d3v.localdomain wireplumber[1827]: Failed to release transport /org/bluez/hci0/dev_2C_41_A1_64_2F_9A/sep3/fd12: Method "Release" with signature "" on interface "org.bluez.MediaTransport1" doesn't exist
Sep 07 08:45:15 d3v.localdomain systemd[1642]: Stopped target bluetooth.target - Bluetooth.
Sep 07 08:45:15 d3v.localdomain systemd[1642]: Reached target bluetooth.target - Bluetooth.
Sep 07 08:45:16 d3v.localdomain plasmashell[134872]: file:///usr/lib64/qt5/qml/org/kde/plasma/extras/PlaceholderMessage.qml:238:5: QML Heading: Binding loop detected for property "verticalAlignment"
Sep 07 08:45:16 d3v.localdomain plasmashell[134872]: org.kde.plasma.pulseaudio: No object for name "bluez_output.2C_41_A1_64_2F_9A.a2dp-sink"
Sep 07 08:45:18 d3v.localdomain kded5[134828]: "Object does not exist at path β/org/freedesktop/NetworkManager/ActiveConnection/29β"
Sep 07 08:45:18 d3v.localdomain plasmashell[136099]: "Object does not exist at path β/org/freedesktop/NetworkManager/ActiveConnection/29β"
Sep 07 08:45:18 d3v.localdomain akonadi_ical_resource[135253]: "Object does not exist at path β/org/freedesktop/NetworkManager/ActiveConnection/29β"
Sep 07 08:45:18 d3v.localdomain DiscoverNotifier[135063]: "Object does not exist at path β/org/freedesktop/NetworkManager/ActiveConnection/29β"
Sep 07 08:45:18 d3v.localdomain akonadi_followupreminder_agent[135252]: "Object does not exist at path β/org/freedesktop/NetworkManager/ActiveConnection/29β"
Sep 07 08:45:18 d3v.localdomain akonadi_sendlater_agent[135262]: "Object does not exist at path β/org/freedesktop/NetworkManager/ActiveConnection/29β"
Sep 07 08:45:18 d3v.localdomain akonadi_maildispatcher_agent[135256]: "Object does not exist at path β/org/freedesktop/NetworkManager/ActiveConnection/29β"
Sep 07 08:45:18 d3v.localdomain akonadi_mailmerge_agent[135258]: "Object does not exist at path β/org/freedesktop/NetworkManager/ActiveConnection/29β"
Sep 07 08:45:18 d3v.localdomain kwin_x11[134829]: qt.qpa.xcb: QXcbConnection: XCB error: 3 (BadWindow), sequence: 12888, resource id: 127926320, major code: 18 (ChangeProperty), minor code: 0
Sep 07 08:45:41 d3v.localdomain plasmashell[134872]: file:///usr/share/plasma/plasmoids/org.kde.plasma.bluetooth/contents/ui/DeviceItem.qml:33:32: QML Action: Accessible must be attached to an Item
Sep 07 08:45:41 d3v.localdomain plasmashell[134872]: file:///usr/share/plasma/plasmoids/org.kde.plasma.bluetooth/contents/ui/DeviceItem.qml:33:32: QML Action: Accessible must be attached to an Item
Sep 07 08:45:41 d3v.localdomain plasmashell[134872]: file:///usr/share/plasma/plasmoids/org.kde.plasma.bluetooth/contents/ui/DeviceItem.qml:33:32: QML Action: Accessible must be attached to an Item
Sep 07 08:45:41 d3v.localdomain plasmashell[134872]: org.kde.plasma.pulseaudio: No object for name "bluez_output.2C_41_A1_64_2F_9A.a2dp-sink"
Sep 07 08:46:23 d3v.localdomain plasmashell[134872]: org.kde.plasma.pulseaudio: No object for name "bluez_output.2C_41_A1_64_2F_9A.a2dp-sink"
Sep 07 08:46:48 d3v.localdomain kwin_x11[134829]: kwin_core: XCB error: 152 (BadDamage), sequence: 22809, resource id: 20979335, major code: 143 (DAMAGE), minor code: 3 (Subtract)
Cross-check with VLC
As a cross-check without FF (closed), media playback was performed once via Bluetooth over VLC. Again, the lid was closed (sleep). After reawakening, all functions in the Start menu were still intact and switching between programs was fast. But after maybe 1-2min, all errors still occurred just as they did when using FF. Only later.
Sep 07 09:04:23 d3v.localdomain systemd[1642]: Started app-vlc-9d6f99f395bb4ed6970761c95cab100c.scope - VLC media player - Media player.
Sep 07 09:04:23 d3v.localdomain plasmashell[140515]: [000055f847716ef0] main libvlc: Running vlc with the default interface. Use 'cvlc' to use vlc without interface.
Sep 07 09:04:24 d3v.localdomain plasmashell[140515]: [000055f8477ba1e0] main playlist: playlist is empty
Sep 07 09:04:24 d3v.localdomain plasmashell[139405]: QFont::setPointSizeF: Point size <= 0 (0.000000), must be greater than 0
Sep 07 09:04:30 d3v.localdomain vlc[140515]: uint DBusMenuExporterDBus::GetLayout(int, int, const QStringList&, DBusMenuLayoutItem&): Condition failed: menu
Sep 07 09:04:31 d3v.localdomain plasmashell[140515]: [00007f50ecc73ba0] prefetch stream error: unimplemented query (264) in control
Sep 07 09:04:51 d3v.localdomain kded5[139347]: org.kde.plasma.nm.kded: Unhandled active connection state change: 3
Sep 07 09:04:52 d3v.localdomain kscreenlocker_greet[140568]: Qt: Session management error: networkIdsList argument is NULL
Sep 07 09:04:52 d3v.localdomain kscreenlocker_greet[140568]: file:///usr/share/plasma/look-and-feel/org.kde.breeze.desktop/contents/components/UserList.qml:43:9: Unable to assign [undefined] to bool
Sep 07 09:04:52 d3v.localdomain kscreenlocker_greet[140568]: file:///usr/share/plasma/look-and-feel/org.kde.breeze.desktop/contents/components/UserList.qml:43:9: Unable to assign [undefined] to bool
Sep 07 09:04:55 d3v.localdomain wireplumber[1827]: 0x5580903a85f8: error 24
Sep 07 09:05:19 d3v.localdomain wireplumber[1827]: Failed to release transport /org/bluez/hci0/dev_2C_41_A1_64_2F_9A/sep3/fd15: Method "Release" with signature "" on interface "org.bluez.MediaTransport1" doesn't exist
Sep 07 09:05:19 d3v.localdomain systemd[1642]: Stopped target bluetooth.target - Bluetooth.
Sep 07 09:05:19 d3v.localdomain systemd[1642]: Reached target bluetooth.target - Bluetooth.
Sep 07 09:05:20 d3v.localdomain plasmashell[139405]: file:///usr/lib64/qt5/qml/org/kde/plasma/extras/PlaceholderMessage.qml:238:5: QML Heading: Binding loop detected for property "verticalAlignment"
Sep 07 09:05:20 d3v.localdomain plasmashell[139405]: file:///usr/share/plasma/plasmoids/org.kde.plasma.bluetooth/contents/ui/DeviceItem.qml:33:32: QML Action: Accessible must be attached to an Item
Sep 07 09:05:20 d3v.localdomain plasmashell[139405]: file:///usr/share/plasma/plasmoids/org.kde.plasma.bluetooth/contents/ui/DeviceItem.qml:33:32: QML Action: Accessible must be attached to an Item
Sep 07 09:05:20 d3v.localdomain plasmashell[139405]: file:///usr/share/plasma/plasmoids/org.kde.plasma.bluetooth/contents/ui/DeviceItem.qml:33:32: QML Action: Accessible must be attached to an Item
Sep 07 09:05:20 d3v.localdomain plasmashell[139405]: org.kde.plasma.pulseaudio: No object for name "bluez_output.2C_41_A1_64_2F_9A.a2dp-sink"
Sep 07 09:05:22 d3v.localdomain kwin_x11[139349]: kwin_core: XCB error: 3 (BadWindow), sequence: 27546, resource id: 123731996, major code: 129 (SHAPE), minor code: 6 (Input)
Sep 07 09:05:22 d3v.localdomain kwin_x11[139349]: qt.qpa.xcb: QXcbConnection: XCB error: 3 (BadWindow), sequence: 27547, resource id: 123731996, major code: 2 (ChangeWindowAttributes), minor code: 0
Sep 07 09:05:22 d3v.localdomain kwin_x11[139349]: qt.qpa.xcb: QXcbConnection: XCB error: 3 (BadWindow), sequence: 27558, resource id: 123732016, major code: 18 (ChangeProperty), minor code: 0
Sep 07 09:06:15 d3v.localdomain kwin_x11[139349]: qt.qpa.xcb: QXcbConnection: XCB error: 3 (BadWindow), sequence: 36782, resource id: 6291467, major code: 18 (ChangeProperty), minor code: 0
Sep 07 09:07:12 d3v.localdomain plasmashell[139405]: QSocketNotifier: Socket notifiers cannot be enabled or disabled from another thread
Sep 07 09:11:14 d3v.localdomain kwin_x11[139349]: qt.qpa.xcb: QXcbConnection: XCB error: 3 (BadWindow), sequence: 59033, resource id: 121634838, major code: 18 (ChangeProperty), minor code: 0
Sep 07 09:11:14 d3v.localdomain systemd[1642]: app-vlc-9d6f99f395bb4ed6970761c95cab100c.scope: Consumed 2.111s CPU time.
Sep 07 09:11:14 d3v.localdomain kwin_x11[139349]: qt.qpa.xcb: QXcbConnection: XCB error: 3 (BadWindow), sequence: 59067, resource id: 31457654, major code: 18 (ChangeProperty), minor code: 0
Sorry for that much text, but you have asked 