Bug 500442 - Child menus do not appear instantly when cursor is rapidly moved up and down
Summary: Child menus do not appear instantly when cursor is rapidly moved up and down
Status: RESOLVED NOT A BUG
Alias: None
Product: plasmashell
Classification: Plasma
Component: Panel (other bugs)
Version First Reported In: 6.3.1
Platform: Arch Linux Linux
: NOR minor
Target Milestone: 1.0
Assignee: Plasma Bugs List
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2025-02-19 23:47 UTC by Ned
Modified: 2025-02-24 21:36 UTC (History)
4 users (show)

See Also:
Latest Commit:
Version Fixed/Implemented In:
Sentry Crash Report:


Attachments
Screencapture showing the hanging of the cascading menu variant of the app menu (3.54 MB, video/mp4)
2025-02-19 23:47 UTC, Ned
Details

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Description Ned 2025-02-19 23:47:44 UTC
Created attachment 178617 [details]
Screencapture showing the hanging of the cascading menu variant of the app menu

How to recreate:
* Switch to the cascading drop down menu app launcher variant.
* Open it.
* Slide cursor up and down over the categories in the menu.

Result: App menu hangs intermittently rather than smoothly displaying each app group as the cursor glides over it.

Operating System: Arch Linux 
KDE Plasma Version: 6.3.1
KDE Frameworks Version: 6.11.0
Qt Version: 6.8.2
Kernel Version: 6.13.3-arch1-1 (64-bit)
Graphics Platform: Wayland
Processors: 16 × AMD Ryzen 9 5900HX with Radeon Graphics
Memory: 30.7 GiB of RAM
Graphics Processor 1: AMD Radeon Graphics
Graphics Processor 2: Nvidia RTX 3070 Mobile
Manufacturer: HP
Product Name: OMEN by HP Laptop 16z-c000

-----

Symptoms of same bug?:
* Plasma hangs upon drag to top-center to maximize for the first time the function is used after system start, may happen after login from sleep as well
* Mouse cursor may disappear for a moment after system start
* Plasma may sometimes hang harder, freezing the cursor as well, but only for around up to a third of a second

I have not filed these issues separately as they usually resolve themselves after the first few minutes of the plasma session being active.
Comment 1 cwo 2025-02-20 08:47:57 UTC
I can't reproduce this, flicking through the sumbenus for a minute or so and no notable slowdowns.

Can you try reproducing the issue with "journalctl --follow" open in a terminal to see if there are any relevant error messages being printed at the same time the issue happens?
Comment 2 Ned 2025-02-20 13:08:00 UTC
journalctl --follow results:

```Feb 20 07:04:47 fenris plasmashell[1407]: kf.windowsystem: static void KX11Extras::forceActiveWindow(WId, long int) may only be used on X11
Feb 20 07:04:51 fenris plasmashell[1407]: kf.windowsystem: static void KX11Extras::forceActiveWindow(WId, long int) may only be used on X11
Feb 20 07:04:59 fenris plasmashell[1407]: kf.windowsystem: static void KX11Extras::forceActiveWindow(WId, long int) may only be used on X11
Feb 20 07:04:59 fenris plasmashell[1407]: The cached device pixel ratio value was stale on window update.  Please file a QTBUG which explains how to reproduce.
Feb 20 07:05:06 fenris plasmashell[1407]: The cached device pixel ratio value was stale on window expose.  Please file a QTBUG which explains how to reproduce.
Feb 20 07:05:06 fenris plasmashell[1407]: kf.windowsystem.wayland: Failed to recreate shadow for ItemListDialog_QMLTYPE_760(0x638817764740)
Feb 20 07:05:06 fenris plasmashell[1407]: qt.qpa.wayland: eglSwapBuffers failed with 0x300d, surface: 0x0
Feb 20 07:05:07 fenris plasmashell[1407]: kf.windowsystem: static void KX11Extras::forceActiveWindow(WId, long int) may only be used on X11
Feb 20 07:05:07 fenris plasmashell[1407]: The cached device pixel ratio value was stale on window update.  Please file a QTBUG which explains how to reproduce.
Feb 20 07:05:07 fenris plasmashell[1407]: kf.windowsystem.wayland: Failed to recreate shadow for ItemListDialog_QMLTYPE_760(0x6388177fc990)
Feb 20 07:05:07 fenris plasmashell[1407]: qt.qpa.wayland: eglSwapBuffers failed with 0x300d, surface: 0x0
Feb 20 07:05:07 fenris plasmashell[1407]: kf.windowsystem.wayland: Failed to recreate shadow for ItemListDialog_QMLTYPE_760(0x6388177fc990)
Feb 20 07:05:07 fenris plasmashell[1407]: qt.qpa.wayland: eglSwapBuffers failed with 0x300d, surface: 0x0
Feb 20 07:05:07 fenris plasmashell[1407]: kf.windowsystem.wayland: Failed to recreate shadow for ItemListDialog_QMLTYPE_760(0x6388177fc990)
Feb 20 07:05:07 fenris plasmashell[1407]: qt.qpa.wayland: eglSwapBuffers failed with 0x300d, surface: 0x0
Feb 20 07:05:07 fenris plasmashell[1407]: kf.windowsystem.wayland: Failed to recreate shadow for ItemListDialog_QMLTYPE_760(0x6388177fc990)
Feb 20 07:05:07 fenris plasmashell[1407]: qt.qpa.wayland: eglSwapBuffers failed with 0x300d, surface: 0x0
Feb 20 07:05:07 fenris plasmashell[1407]: kf.windowsystem.wayland: Failed to recreate shadow for ItemListDialog_QMLTYPE_760(0x6388177fc990)
Feb 20 07:05:07 fenris plasmashell[1407]: qt.qpa.wayland: eglSwapBuffers failed with 0x300d, surface: 0x0
Feb 20 07:05:07 fenris plasmashell[1407]: kf.windowsystem.wayland: Failed to recreate shadow for ItemListDialog_QMLTYPE_760(0x6388177fc990)
Feb 20 07:05:07 fenris plasmashell[1407]: qt.qpa.wayland: eglSwapBuffers failed with 0x300d, surface: 0x0
Feb 20 07:05:07 fenris plasmashell[1407]: kf.windowsystem.wayland: Failed to recreate shadow for ItemListDialog_QMLTYPE_760(0x6388177fc990)
Feb 20 07:05:07 fenris plasmashell[1407]: qt.qpa.wayland: eglSwapBuffers failed with 0x300d, surface: 0x0
Feb 20 07:05:07 fenris plasmashell[1407]: kf.windowsystem.wayland: Failed to recreate shadow for ItemListDialog_QMLTYPE_760(0x6388177fc990)
Feb 20 07:05:07 fenris plasmashell[1407]: qt.qpa.wayland: eglSwapBuffers failed with 0x300d, surface: 0x0
Feb 20 07:05:07 fenris plasmashell[1407]: kf.windowsystem.wayland: Failed to recreate shadow for ItemListDialog_QMLTYPE_760(0x6388177fc990)
Feb 20 07:05:07 fenris plasmashell[1407]: qt.qpa.wayland: eglSwapBuffers failed with 0x300d, surface: 0x0
Feb 20 07:05:07 fenris plasmashell[1407]: kf.windowsystem.wayland: Failed to recreate shadow for ItemListDialog_QMLTYPE_760(0x6388177fc990)
Feb 20 07:05:07 fenris plasmashell[1407]: qt.qpa.wayland: eglSwapBuffers failed with 0x300d, surface: 0x0
Feb 20 07:05:07 fenris plasmashell[1407]: kf.windowsystem.wayland: Failed to recreate shadow for ItemListDialog_QMLTYPE_760(0x6388177fc990)
Feb 20 07:05:07 fenris plasmashell[1407]: qt.qpa.wayland: eglSwapBuffers failed with 0x300d, surface: 0x0
Feb 20 07:05:07 fenris plasmashell[1407]: kf.windowsystem.wayland: Failed to recreate shadow for ItemListDialog_QMLTYPE_760(0x6388177fc990)
Feb 20 07:05:07 fenris plasmashell[1407]: qt.qpa.wayland: eglSwapBuffers failed with 0x300d, surface: 0x0
Feb 20 07:05:07 fenris plasmashell[1407]: kf.windowsystem.wayland: Failed to recreate shadow for ItemListDialog_QMLTYPE_760(0x6388177fc990)
Feb 20 07:05:07 fenris plasmashell[1407]: qt.qpa.wayland: eglSwapBuffers failed with 0x300d, surface: 0x0
Feb 20 07:05:07 fenris plasmashell[1407]: kf.windowsystem.wayland: Failed to recreate shadow for ItemListDialog_QMLTYPE_760(0x6388177fc990)
Feb 20 07:05:07 fenris plasmashell[1407]: qt.qpa.wayland: eglSwapBuffers failed with 0x300d, surface: 0x0
Feb 20 07:05:08 fenris plasmashell[1407]: kf.windowsystem: static void KX11Extras::forceActiveWindow(WId, long int) may only be used on X11
Feb 20 07:05:12 fenris plasmashell[1407]: The cached device pixel ratio value was stale on window expose.  Please file a QTBUG which explains how to reproduce.
Feb 20 07:05:12 fenris plasmashell[1407]: kf.windowsystem.wayland: Failed to recreate shadow for ItemListDialog_QMLTYPE_760(0x638817829db0)
Feb 20 07:05:12 fenris plasmashell[1407]: qt.qpa.wayland: eglSwapBuffers failed with 0x300d, surface: 0x0
Feb 20 07:05:12 fenris plasmashell[1407]: kf.windowsystem.wayland: Failed to recreate shadow for ItemListDialog_QMLTYPE_760(0x638817829db0)
Feb 20 07:05:12 fenris plasmashell[1407]: qt.qpa.wayland: eglSwapBuffers failed with 0x300d, surface: 0x0
Feb 20 07:05:12 fenris plasmashell[1407]: kf.windowsystem.wayland: Failed to recreate shadow for ItemListDialog_QMLTYPE_760(0x638817829db0)
Feb 20 07:05:12 fenris plasmashell[1407]: qt.qpa.wayland: eglSwapBuffers failed with 0x300d, surface: 0x0
Feb 20 07:05:12 fenris plasmashell[1407]: kf.windowsystem.wayland: Failed to recreate shadow for ItemListDialog_QMLTYPE_760(0x638817829db0)
Feb 20 07:05:12 fenris plasmashell[1407]: qt.qpa.wayland: eglSwapBuffers failed with 0x300d, surface: 0x0
Feb 20 07:05:12 fenris plasmashell[1407]: kf.windowsystem.wayland: Failed to recreate shadow for ItemListDialog_QMLTYPE_760(0x638817829db0)
Feb 20 07:05:12 fenris plasmashell[1407]: qt.qpa.wayland: eglSwapBuffers failed with 0x300d, surface: 0x0
Feb 20 07:05:12 fenris plasmashell[1407]: kf.windowsystem: static void KX11Extras::forceActiveWindow(WId, long int) may only be used on X11
Feb 20 07:05:14 fenris plasmashell[1407]: The cached device pixel ratio value was stale on window expose.  Please file a QTBUG which explains how to reproduce.
Feb 20 07:05:14 fenris plasmashell[1407]: kf.windowsystem.wayland: Failed to recreate shadow for ItemListDialog_QMLTYPE_760(0x63881782acb0)
Feb 20 07:05:14 fenris plasmashell[1407]: qt.qpa.wayland: eglSwapBuffers failed with 0x300d, surface: 0x0
Feb 20 07:05:14 fenris plasmashell[1407]: kf.windowsystem.wayland: Failed to recreate shadow for ItemListDialog_QMLTYPE_760(0x63881782acb0)
Feb 20 07:05:14 fenris plasmashell[1407]: qt.qpa.wayland: eglSwapBuffers failed with 0x300d, surface: 0x0
Feb 20 07:05:14 fenris plasmashell[1407]: kf.windowsystem.wayland: Failed to recreate shadow for ItemListDialog_QMLTYPE_760(0x63881782acb0)
Feb 20 07:05:14 fenris plasmashell[1407]: qt.qpa.wayland: eglSwapBuffers failed with 0x300d, surface: 0x0
Feb 20 07:05:14 fenris plasmashell[1407]: kf.windowsystem.wayland: Failed to recreate shadow for ItemListDialog_QMLTYPE_760(0x63881782acb0)
Feb 20 07:05:14 fenris plasmashell[1407]: qt.qpa.wayland: eglSwapBuffers failed with 0x300d, surface: 0x0
Feb 20 07:05:14 fenris plasmashell[1407]: kf.windowsystem.wayland: Failed to recreate shadow for ItemListDialog_QMLTYPE_760(0x63881782acb0)
Feb 20 07:05:14 fenris plasmashell[1407]: qt.qpa.wayland: eglSwapBuffers failed with 0x300d, surface: 0x0
Feb 20 07:05:14 fenris plasmashell[1407]: kf.windowsystem.wayland: Failed to recreate shadow for ItemListDialog_QMLTYPE_760(0x63881782acb0)
Feb 20 07:05:14 fenris plasmashell[1407]: qt.qpa.wayland: eglSwapBuffers failed with 0x300d, surface: 0x0
Feb 20 07:05:14 fenris plasmashell[1407]: kf.windowsystem.wayland: Failed to recreate shadow for ItemListDialog_QMLTYPE_760(0x63881782acb0)
Feb 20 07:05:14 fenris plasmashell[1407]: qt.qpa.wayland: eglSwapBuffers failed with 0x300d, surface: 0x0
Feb 20 07:05:14 fenris plasmashell[1407]: kf.windowsystem.wayland: Failed to recreate shadow for ItemListDialog_QMLTYPE_760(0x63881782acb0)
Feb 20 07:05:14 fenris plasmashell[1407]: qt.qpa.wayland: eglSwapBuffers failed with 0x300d, surface: 0x0
Feb 20 07:05:14 fenris plasmashell[1407]: kf.windowsystem.wayland: Failed to recreate shadow for ItemListDialog_QMLTYPE_760(0x63881782acb0)
Feb 20 07:05:14 fenris plasmashell[1407]: qt.qpa.wayland: eglSwapBuffers failed with 0x300d, surface: 0x0
Feb 20 07:05:14 fenris plasmashell[1407]: kf.windowsystem.wayland: Failed to recreate shadow for ItemListDialog_QMLTYPE_760(0x63881782acb0)
Feb 20 07:05:14 fenris plasmashell[1407]: qt.qpa.wayland: eglSwapBuffers failed with 0x300d, surface: 0x0
Feb 20 07:05:14 fenris plasmashell[1407]: kf.windowsystem.wayland: Failed to recreate shadow for ItemListDialog_QMLTYPE_760(0x63881782acb0)
Feb 20 07:05:14 fenris plasmashell[1407]: qt.qpa.wayland: eglSwapBuffers failed with 0x300d, surface: 0x0
Feb 20 07:05:14 fenris plasmashell[1407]: kf.windowsystem.wayland: Failed to recreate shadow for ItemListDialog_QMLTYPE_760(0x63881782acb0)
Feb 20 07:05:14 fenris plasmashell[1407]: qt.qpa.wayland: eglSwapBuffers failed with 0x300d, surface: 0x0
Feb 20 07:05:14 fenris plasmashell[1407]: kf.windowsystem.wayland: Failed to recreate shadow for ItemListDialog_QMLTYPE_760(0x63881782acb0)
Feb 20 07:05:14 fenris plasmashell[1407]: qt.qpa.wayland: eglSwapBuffers failed with 0x300d, surface: 0x0
Feb 20 07:05:14 fenris plasmashell[1407]: kf.windowsystem.wayland: Failed to recreate shadow for ItemListDialog_QMLTYPE_760(0x63881782acb0)
Feb 20 07:05:14 fenris plasmashell[1407]: qt.qpa.wayland: eglSwapBuffers failed with 0x300d, surface: 0x0
Feb 20 07:05:14 fenris plasmashell[1407]: kf.windowsystem.wayland: Failed to recreate shadow for ItemListDialog_QMLTYPE_760(0x63881782acb0)
Feb 20 07:05:14 fenris plasmashell[1407]: qt.qpa.wayland: eglSwapBuffers failed with 0x300d, surface: 0x0
Feb 20 07:05:14 fenris plasmashell[1407]: kf.windowsystem.wayland: Failed to recreate shadow for ItemListDialog_QMLTYPE_760(0x63881782acb0)
Feb 20 07:05:14 fenris plasmashell[1407]: qt.qpa.wayland: eglSwapBuffers failed with 0x300d, surface: 0x0
Feb 20 07:05:14 fenris plasmashell[1407]: kf.windowsystem.wayland: Failed to recreate shadow for ItemListDialog_QMLTYPE_760(0x63881782acb0)
Feb 20 07:05:14 fenris plasmashell[1407]: qt.qpa.wayland: eglSwapBuffers failed with 0x300d, surface: 0x0
Feb 20 07:05:14 fenris plasmashell[1407]: kf.windowsystem: static void KX11Extras::forceActiveWindow(WId, long int) may only be used on X11
Feb 20 07:05:14 fenris plasmashell[1407]: kf.windowsystem: static void KX11Extras::forceActiveWindow(WId, long int) may only be used on X11
Feb 20 07:05:15 fenris plasmashell[1407]: The cached device pixel ratio value was stale on window update.  Please file a QTBUG which explains how to reproduce.
Feb 20 07:05:15 fenris plasmashell[1407]: kf.windowsystem: static void KX11Extras::forceActiveWindow(WId, long int) may only be used on X11```
Comment 3 Ned 2025-02-20 13:11:51 UTC
Also, this showed before I started dragging the cursor over the menu:

Feb 20 07:04:17 fenris systemd[1090]: Started Launch DrKonqi for a systemd-coredump crash (PID 1467/UID 1000).
Feb 20 07:04:17 fenris systemd[1090]: Started Launch DrKonqi for a systemd-coredump crash (PID 1467/UID 1000).
Feb 20 07:04:17 fenris drkonqi-coredump-launcher[2509]: Unable to find file for pid 456921 expected at "kcrash-metadata/openrgb.3e96c355bc6641b78bba99b28a57362d.456921.ini"
Feb 20 07:04:17 fenris drkonqi-coredump-launcher[2508]: Unable to find file for pid 278775 expected at "kcrash-metadata/python3.11.fb292aecb81b44efb21da8dbdb73e11f.278775.ini"
Feb 20 07:04:17 fenris drkonqi-coredump-launcher[2511]: Unable to find file for pid 4508 expected at "kcrash-metadata/drkonqi.619870fcfb82458b85e8b1a64dbf5cd9.4508.ini"
Feb 20 07:04:17 fenris drkonqi-coredump-launcher[2510]: Unable to find file for pid 3444 expected at "kcrash-metadata/kwin_wayland.619870fcfb82458b85e8b1a64dbf5cd9.3444.ini"
Feb 20 07:04:17 fenris drkonqi-coredump-launcher[2512]: Unable to find file for pid 4715 expected at "kcrash-metadata/kwin_wayland.619870fcfb82458b85e8b1a64dbf5cd9.4715.ini"
Feb 20 07:04:17 fenris drkonqi-coredump-launcher[2513]: Unable to find file for pid 6074 expected at "kcrash-metadata/drkonqi.619870fcfb82458b85e8b1a64dbf5cd9.6074.ini"
Feb 20 07:04:17 fenris drkonqi-coredump-launcher[2514]: Unable to find file for pid 1726 expected at "kcrash-metadata/kwin_wayland.84cada6d18f740b6b23cfd738d2c8b35.1726.ini"
Feb 20 07:04:17 fenris drkonqi-coredump-launcher[2515]: Unable to find file for pid 506143 expected at "kcrash-metadata/drkonqi.84cada6d18f740b6b23cfd738d2c8b35.506143.ini"

Figured I should share.
Comment 4 Ned 2025-02-20 13:16:46 UTC
After watching for a few minutes, yet another error type:

Feb 20 07:14:28 fenris kwin_wayland[1184]: kwin_scene_opengl: 0x2: GL_INVALID_OPERATION in glDrawBuffers(unsupported buffer GL_BACK_LEFT)
Feb 20 07:14:28 fenris kwin_wayland[1184]: kwin_scene_opengl: 0x2: GL_INVALID_OPERATION in glDrawBuffers(unsupported buffer GL_BACK_LEFT)
Feb 20 07:14:28 fenris kwin_wayland[1184]: kwin_scene_opengl: 0x2: GL_INVALID_OPERATION in glDrawBuffers(unsupported buffer GL_BACK_LEFT)
Feb 20 07:14:28 fenris kwin_wayland[1184]: kwin_scene_opengl: 0x2: GL_INVALID_OPERATION in glDrawBuffers(unsupported buffer GL_BACK_LEFT)
Feb 20 07:14:28 fenris kwin_wayland[1184]: kwin_scene_opengl: 0x2: GL_INVALID_OPERATION in glDrawBuffers(unsupported buffer GL_BACK_LEFT)
Feb 20 07:14:28 fenris kwin_wayland[1184]: kwin_scene_opengl: 0x2: GL_INVALID_OPERATION in glDrawBuffers(unsupported buffer GL_BACK_LEFT)
Feb 20 07:14:28 fenris kwin_wayland[1184]: kwin_scene_opengl: 0x2: GL_INVALID_OPERATION in glDrawBuffers(unsupported buffer GL_BACK_LEFT)
Feb 20 07:14:28 fenris kwin_wayland[1184]: kwin_scene_opengl: 0x2: GL_INVALID_OPERATION in glDrawBuffers(unsupported buffer GL_BACK_LEFT)
Feb 20 07:14:28 fenris kwin_wayland[1184]: kwin_scene_opengl: 0x2: GL_INVALID_OPERATION in glDrawBuffers(unsupported buffer GL_BACK_LEFT)
Feb 20 07:14:28 fenris kwin_wayland[1184]: kwin_scene_opengl: 0x2: GL_INVALID_OPERATION in glDrawBuffers(unsupported buffer GL_BACK_LEFT)
Feb 20 07:14:28 fenris kwin_wayland[1184]: kwin_scene_opengl: 0x2: GL_INVALID_OPERATION in glDrawBuffers(unsupported buffer GL_BACK_LEFT)
Feb 20 07:14:28 fenris kwin_wayland[1184]: kwin_scene_opengl: 0x2: GL_INVALID_OPERATION in glDrawBuffers(unsupported buffer GL_BACK_LEFT)
Feb 20 07:14:28 fenris kwin_wayland[1184]: kwin_scene_opengl: 0x2: GL_INVALID_OPERATION in glDrawBuffers(unsupported buffer GL_BACK_LEFT)
Feb 20 07:14:28 fenris kwin_wayland[1184]: kwin_scene_opengl: 0x2: GL_INVALID_OPERATION in glDrawBuffers(unsupported buffer GL_BACK_LEFT)
Feb 20 07:14:28 fenris kwin_wayland[1184]: kwin_scene_opengl: 0x2: GL_INVALID_OPERATION in glDrawBuffers(unsupported buffer GL_BACK_LEFT)
Feb 20 07:14:28 fenris kwin_wayland[1184]: kwin_scene_opengl: 0x2: GL_INVALID_OPERATION in glDrawBuffers(unsupported buffer GL_BACK_LEFT)
Feb 20 07:14:28 fenris kwin_wayland[1184]: kwin_scene_opengl: 0x2: GL_INVALID_OPERATION in glDrawBuffers(unsupported buffer GL_BACK_LEFT)
Feb 20 07:14:34 fenris kwin_wayland[1184]: kwin_scene_opengl: 0x2: GL_INVALID_OPERATION in glDrawBuffers(unsupported buffer GL_BACK_LEFT)
Feb 20 07:14:34 fenris kwin_wayland[1184]: kwin_scene_opengl: 0x2: GL_INVALID_OPERATION in glDrawBuffers(unsupported buffer GL_BACK_LEFT)
Feb 20 07:14:34 fenris kwin_wayland[1184]: kwin_scene_opengl: 0x2: GL_INVALID_OPERATION in glDrawBuffers(unsupported buffer GL_BACK_LEFT)
Feb 20 07:14:34 fenris kwin_wayland[1184]: kwin_scene_opengl: 0x2: GL_INVALID_OPERATION in glDrawBuffers(unsupported buffer GL_BACK_LEFT)
Feb 20 07:14:34 fenris kwin_wayland[1184]: kwin_scene_opengl: 0x2: GL_INVALID_OPERATION in glDrawBuffers(unsupported buffer GL_BACK_LEFT)
Feb 20 07:14:34 fenris kwin_wayland[1184]: kwin_scene_opengl: 0x2: GL_INVALID_OPERATION in glDrawBuffers(unsupported buffer GL_BACK_LEFT)
Feb 20 07:14:34 fenris kwin_wayland[1184]: kwin_scene_opengl: 0x2: GL_INVALID_OPERATION in glDrawBuffers(unsupported buffer GL_BACK_LEFT)
Feb 20 07:14:34 fenris kwin_wayland[1184]: kwin_scene_opengl: 0x2: GL_INVALID_OPERATION in glDrawBuffers(unsupported buffer GL_BACK_LEFT)
Feb 20 07:14:34 fenris kwin_wayland[1184]: kwin_scene_opengl: 0x2: GL_INVALID_OPERATION in glDrawBuffers(unsupported buffer GL_BACK_LEFT)
Feb 20 07:14:34 fenris kwin_wayland[1184]: kwin_scene_opengl: 0x2: GL_INVALID_OPERATION in glDrawBuffers(unsupported buffer GL_BACK_LEFT)
Feb 20 07:14:34 fenris kwin_wayland[1184]: kwin_scene_opengl: 0x2: GL_INVALID_OPERATION in glDrawBuffers(unsupported buffer GL_BACK_LEFT)
Feb 20 07:14:34 fenris kwin_wayland[1184]: kwin_scene_opengl: 0x2: GL_INVALID_OPERATION in glDrawBuffers(unsupported buffer GL_BACK_LEFT)
Feb 20 07:14:34 fenris kwin_wayland[1184]: kwin_scene_opengl: 0x2: GL_INVALID_OPERATION in glDrawBuffers(unsupported buffer GL_BACK_LEFT)
Feb 20 07:14:34 fenris kwin_wayland[1184]: kwin_scene_opengl: 0x2: GL_INVALID_OPERATION in glDrawBuffers(unsupported buffer GL_BACK_LEFT)
Comment 5 cwo 2025-02-20 13:25:35 UTC
The errors from the first one I get as well.

Second one looks like something crashed on your system but DrKonqi can't find the metadata. Maybe try with `coredumpctl`. I don't think it's relevant to this though.
Comment 6 Ned 2025-02-20 14:07:46 UTC
(In reply to cwo from comment #5)
> The errors from the first one I get as well.
> 
> Second one looks like something crashed on your system but DrKonqi can't
> find the metadata. Maybe try with `coredumpctl`. I don't think it's relevant
> to this though.

[ned@fenris ~]$ coredumpctl
TIME                           PID  UID  GID SIG     COREFILE     EXE                         
                                                                                                       SIZE
Sat 2025-02-01 00:33:26 CST   5330 1000 1000 SIGABRT missing      /home/ned/.var/app/com.valvesoftware.Steam/.local/share/Steam/ubuntu12_64/steamwebhelper
                                              -
Sat 2025-02-01 16:37:16 CST   1521 1000 1000 SIGABRT missing      /usr/bin/plasmashell                                                                    
                                              -
Wed 2025-02-05 11:54:18 CST   2857 1000 1000 SIGTRAP missing      /home/ned/.var/app/com.valvesoftware.Steam/.local/share/Steam/ubuntu12_64/steamwebhelper
                                              -
Wed 2025-02-05 21:57:41 CST 749910 1000 1000 SIGABRT missing      /app/bin/kdenlive_render                                                                
                                              -
Fri 2025-02-07 19:41:47 CST 252682 1000 1000 SIGABRT present      /app/bin/kdenlive                                                                                      
                            1.6G
Sun 2025-02-09 01:25:52 CST 548075 1000 1000 SIGSEGV present      /home/ned/gpt4all/bin/chat                                                                             
                           78.5M
Sun 2025-02-09 01:25:53 CST 561666 1000 1000 SIGABRT present      /usr/lib/xdg-desktop-portal-kde                                                                        
                              1M
Sun 2025-02-09 01:25:53 CST 561634 1000 1000 SIGABRT present      /usr/bin/plasma-browser-integration-host                                                               
                              1M
Sun 2025-02-09 01:25:53 CST 561734 1000 1000 SIGABRT present      /usr/lib/xdg-desktop-portal-kde                                                                        
                         1012.2K
Sun 2025-02-09 01:25:53 CST 561758 1000 1000 SIGABRT present      /usr/lib/xdg-desktop-portal-kde                                                                        
                         1012.1K
Sun 2025-02-09 01:25:53 CST 561779 1000 1000 SIGABRT present      /usr/lib/xdg-desktop-portal-kde                                                                        
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Sun 2025-02-09 01:25:54 CST 561810 1000 1000 SIGABRT present      /usr/lib/xdg-desktop-portal-kde                                                                        
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Mon 2025-02-10 19:24:52 CST  16739 1000 1000 SIGABRT present      /usr/lib/xdg-desktop-portal-kde                                                                        
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Mon 2025-02-10 19:24:52 CST  16678 1000 1000 SIGABRT present      /usr/bin/plasma-browser-integration-host                                                               
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Mon 2025-02-10 19:24:52 CST  16767 1000 1000 SIGABRT present      /usr/lib/xdg-desktop-portal-kde                                                                        
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Mon 2025-02-10 19:24:52 CST  16801 1000 1000 SIGABRT present      /usr/lib/xdg-desktop-portal-kde                                                                        
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Mon 2025-02-10 19:24:53 CST  16824 1000 1000 SIGABRT present      /usr/lib/xdg-desktop-portal-kde                                                                        
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Mon 2025-02-10 19:24:53 CST  16850 1000 1000 SIGABRT present      /usr/lib/xdg-desktop-portal-kde
Comment 7 Ned 2025-02-20 23:07:59 UTC
I noticed a new error type. This was after installing the latest available update (sudo pacman -Syu)  just now.

Feb 20 17:00:47 fenris plasmashell[1411]: file:///usr/share/plasma/plasmoids/org.kde.plasma.private.systemtray/contents/ui/items/PlasmoidItem.qml:24: TypeError: Cannot read property 'toolTipMainText' of null

Then I launched Firefox and then got this as I dragged Konsole to tile it to the left of the screen:

Feb 20 17:02:14 fenris kwin_wayland[1193]: kwin_scene_opengl: 0x3: GL_INVALID_OPERATION in glDrawBuffers(unsupported buffer GL_BACK_LEFT)
Feb 20 17:02:14 fenris kwin_wayland[1193]: kwin_scene_opengl: 0x3: GL_INVALID_OPERATION in glDrawBuffers(unsupported buffer GL_BACK_LEFT)
Feb 20 17:02:14 fenris kwin_wayland[1193]: kwin_scene_opengl: 0x3: GL_INVALID_OPERATION in glDrawBuffers(unsupported buffer GL_BACK_LEFT)
Feb 20 17:02:14 fenris kwin_wayland[1193]: kwin_scene_opengl: 0x3: GL_INVALID_OPERATION in glDrawBuffers(unsupported buffer GL_BACK_LEFT)
Feb 20 17:02:14 fenris kwin_wayland[1193]: kwin_scene_opengl: 0x3: GL_INVALID_OPERATION in glDrawBuffers(unsupported buffer GL_BACK_LEFT)
Feb 20 17:02:15 fenris systemd[1]: systemd-timedated.service: Deactivated successfully.
Feb 20 17:02:16 fenris kwin_wayland[1193]: kwin_scene_opengl: 0x3: GL_INVALID_OPERATION in glDrawBuffers(unsupported buffer GL_BACK_LEFT)
Feb 20 17:02:16 fenris kwin_wayland[1193]: kwin_wayland_drm: The main thread was hanging temporarily!
Feb 20 17:02:26 fenris kwin_wayland[1193]: kwin_wayland_drm: The main thread was hanging temporarily!
Comment 8 Nate Graham 2025-02-21 16:51:38 UTC
Can reproduce on my system, FWIW. There isn't a total hang, but I can get the cursor position to de-synchronize from what menu is being shown fairly easily just by rapidly moving up and down.

This isn't a sensible thing to actually do of course. But it does seem to indicate that there's an opportunity for optimization here.
Comment 9 Ned 2025-02-21 17:56:49 UTC
It's gotten worse. Plasma now locks up. Config file damaged? I'm gonna try remaking the panel.
Comment 10 cwo 2025-02-21 18:06:54 UTC
(In reply to Ned from comment #9)
> It's gotten worse. Plasma now locks up. Config file damaged? I'm gonna try
> remaking the panel.

This is likely unrelated to the slowness that Nate is talking about.

This doesn't look good:

kwin_wayland_drm: The main thread was hanging temporarily!

Unfortunately there's nothing I can immediately help you with here - it might be related to bug 499913 where some people also get this message.
Comment 11 Ned 2025-02-21 18:09:35 UTC
Removing the panel seems to help(?)... I'll see how things improve after panel recreation.
Comment 12 Ned 2025-02-21 18:19:19 UTC
(In reply to Ned from comment #11)
> Removing the panel seems to help(?)... I'll see how things improve after
> panel recreation.

Nope... Does not help...
Comment 13 Ned 2025-02-21 18:25:48 UTC
Switched to X11, disabled my integrated display, switched to the external one and black screen. I am now confident now that something somewhere is damagedon my system.
Comment 14 Ned 2025-02-22 06:45:04 UTC
Reinstalled my system. Plasma is no longer crapping its pants. Definitely some file getting altered in a way it shouldn't have. I uninstalled an unofficial theme I had tried to add. I think that may have been the cause of the issue... If something was left in an altered state even after uninstallation
Comment 15 cwo 2025-02-24 21:36:28 UTC
Issue with kicker updating slowly in general is now tracked in bug 500696.