521826 2026-06-20 04:54:31 +0000 [Regression] Infinite loop of device disconnection/connection notification sounds after screens go to sleep 2026-07-04 18:48:04 +0000 1 1 4 Plasma plasmashell general 6.7.0 Gentoo Packages Linux RESOLVED FIXED https://bugs.kde.org/show_bug.cgi?id=494330 regression NOR normal 1.0 1 julien.dlq plasma-bugs-null agurenko antti.savo kde nate navi xaver.hugl https://invent.kde.org/plasma/kwin/-/commit/0f2c65f9339eb7820f9a28d28e680b98a743741b 0 oldest_to_newest 2524938 0 julien.dlq 2026-06-20 04:54:31 +0000 DESCRIPTION This is a regression since Plasma 6.7.0. A previous ticket was created for Plasma 6.2.0 then fixed in 6.5.0: https://bugs.kde.org/show_bug.cgi?id=494330 When screens go to sleep, there is a notification sound about screens being disconnected. But after some seconds, a loop of device notification sounds about screen being disconnected/connected keeps looping like hell. This time (unlike previous ticket), if I deactivate notification sounds about devices disconnection/connection, it stops playing it when issue happens => this is the workaround I use for the moment. STEPS TO REPRODUCE 1. Wait for screens to go to sleep OBSERVED RESULT Infinite loop of device disconnection/connection notification sounds. EXPECTED RESULT No sound at all, or at least, just one device disconnection notification sound when screens are disconnected, then just one device connection notification sound when screens are connected. SOFTWARE/OS VERSIONS Operating System: Gentoo Linux 2.18 KDE Plasma Version: 6.7.0 KDE Frameworks Version: 6.27.0 Qt Version: 6.11.1 Kernel Version: 7.0.12-gentoo-dist (64-bit) Graphics Platform: Wayland Processors: 8 × Intel® Core™ i7-9700K CPU @ 3.60GHz Memory: 32 Gio of RAM (31.2 Gio usable) Graphics Processor: AMD Radeon RX 7800 XT ADDITIONAL INFORMATION I had no issue with Plasma 6.6.5, then the issue appeared with Plasma 6.7.0, so the regression may be a commit between those versions. For information, my screens configuration (I have removed the serial numbers and binary serial numbers), the DisplayPort screen is my primary screen (on the right), and the HDMI screen is my secondary screen (on the left): $ ddcutil detect Display 1 I2C bus: /dev/i2c-5 DRM_connector: card0-HDMI-A-1 EDID synopsis: Mfg id: AUS - ASUSTek COMPUTER INC Model: VZ249 Product code: 9420 (0x24cc) Serial number: Binary serial number: Manufacture year: 2019, Week: 12 VCP version: 2.1 Display 2 I2C bus: /dev/i2c-8 DRM_connector: card0-DP-2 EDID synopsis: Mfg id: AUS - ASUSTek COMPUTER INC Model: VG249QM1A Product code: 9263 (0x242f) Serial number: Binary serial number: Manufacture year: 2023, Week: 33 VCP version: 2.2 More information about my computer: $ inxi -GSC -xx System: Host: pasokon.taniere.lan Kernel: 7.0.12-gentoo-dist arch: x86_64 bits: 64 compiler: gcc v: 16.1.0 Desktop: KDE Plasma v: 6.7.0 tk: Qt v: N/A wm: kwin_wayland dm: SDDM Distro: Gentoo Base System release 2.18 CPU: Info: 8-core model: Intel Core i7-9700K bits: 64 type: MCP arch: Coffee Lake rev: D cache: L1: 512 KiB L2: 2 MiB L3: 12 MiB Speed (MHz): avg: 800 min/max: 800/4900 cores: 1: 800 2: 800 3: 800 4: 800 5: 800 6: 800 7: 800 8: 800 bogomips: 57616 Flags-basic: avx avx2 ht lm nx pae sse sse2 sse3 sse4_1 sse4_2 ssse3 vmx Graphics: Device-1: Advanced Micro Devices [AMD/ATI] Navi 32 [Radeon RX 7700 XT / 7800 XT] vendor: ASUSTeK driver: amdgpu v: kernel arch: RDNA-3 pcie: speed: 16 GT/s lanes: 16 ports: active: DP-2,HDMI-A-1 empty: DP-1,DP-3,Writeback-1 bus-ID: 03:00.0 chip-ID: 1002:747e Display: wayland server: X.org v: 1.21.1.23 with: Xwayland v: 24.1.12 compositor: kwin_wayland driver: X: loaded: amdgpu unloaded: modesetting,radeon alternate: fbdev,vesa dri: radeonsi gpu: amdgpu d-rect: 3840x1080 display-ID: 0 Monitor-1: DP-2 pos: right model: VG249QM1A res: 1920x1080 hz: 240 dpi: 93 diag: 604mm (23.8") Monitor-2: HDMI-A-1 pos: primary,left model: VZ249 res: 1920x1080 hz: 60 dpi: 93 diag: 604mm (23.8") API: EGL v: 1.5 platforms: device: 0 drv: radeonsi device: 1 drv: swrast gbm: drv: radeonsi surfaceless: drv: radeonsi wayland: drv: radeonsi x11: drv: radeonsi API: OpenGL v: 4.6 vendor: amd mesa v: 26.1.2 glx-v: 1.4 direct-render: yes renderer: AMD Radeon RX 7800 XT (radeonsi navi32 ACO DRM 3.64 7.0.12-gentoo-dist) device-ID: 1002:747e display-ID: :0.0 API: Vulkan v: 1.4.350 surfaces: N/A device: 0 type: discrete-gpu driver: mesa radv device-ID: 1002:747e Info: Tools: api: clinfo, eglinfo, glxinfo, vulkaninfo de: kscreen-console,kscreen-doctor gpu: amdgpu_top wl: wayland-info x11: xdpyinfo, xprop, xrandr Here are the fixes applied in Plasma 6.5.0 at the time, maybe it will help to find the regression in 6.7.0? - branch 'Plasma/6.5' => https://invent.kde.org/plasma/plasma-workspace/-/commit/bc268f1d8597b7545cf9c225138f11fd38874ef7 - branch 'master' => https://invent.kde.org/plasma/plasma-workspace/-/commit/1f292200f436489a4bfe6df494a4aef4a65dff88 2524954 1 193415 julien.dlq 2026-06-20 07:06:46 +0000 Created attachment 193415 Remove infinite loop sound Okay, I'm not a Qt, KDE, etc. developer, but I tried something. I started with the fix at https://invent.kde.org/plasma/plasma-workspace/-/commit/bc268f1d8597b7545cf9c225138f11fd38874ef7 to find out which files were affected. I looked at the git-blame for what was done around this fix between Plasma 6.6.5 and 6.7.0. I came across this commit: https://invent.kde.org/plasma/plasma-workspace/-/commit/40e743b453f8ef1996adf804c3e5a0beaf02a961 From there… well, I understood that there were improvements and, more importantly, a crash fix (https://bugs.kde.org/show_bug.cgi?id=507691), so I didn't bother reverting the code to recompile plasma-workspace on my Gentoo system. So I used an LLM (Duck.ai GPT-5.4 nano) to help me understand what's happening in the commit https://invent.kde.org/plasma/plasma-workspace/-/commit/40e743b453f8ef1996adf804c3e5a0beaf02a961 associated with my explanation of the problem I encountered. This resulted in a patch that I tried myself (and whose contents I understood)... I applied it to the code from tag 6.7.0, recompiled plasma-workspace, and it works! I no longer have the infinite loop of sound! I don't know KDE's policy regarding the use of LLM, and I would understand if this wasn't correct, and I would be very sorry if I had done something wrong. Therefore, I recommend that you do not use the patch I am proposing as is, and instead wait for an official version from a KDE developer who knows very well what he is doing. 2525139 2 antti.savo 2026-06-20 18:10:38 +0000 I know I got this bug earlier, with a phone plugged in the computer, but I'm unable to reproduce it just by putting the screens to sleep 2526059 3 xaver.hugl 2026-06-23 15:27:28 +0000 The empty uuid does seem to be the cause, but I think it would be better to guard that in KWin directly. 2526060 4 bug-janitor 2026-06-23 15:27:52 +0000 A possibly relevant merge request was started @ https://invent.kde.org/plasma/kwin/-/merge_requests/9462 2526062 5 xaver.hugl 2026-06-23 15:28:20 +0000 Can you test the MR, to make sure it actually fixes the issue? 2526101 6 julien.dlq 2026-06-23 17:10:37 +0000 (In reply to Zamundaaa from comment #5) > Can you test the MR, to make sure it actually fixes the issue? I’m sorry, but it does not fix. :’( What I have performed: - remove the patch I have proposed for plasma-workspace and recompile it, - add the patch you have proposed for kwin and recompile it, - reboot, - lock my screen and wait for screen to be in sleep mode. The loop is back. :s 2526170 7 xaver.hugl 2026-06-23 21:06:52 +0000 There was a second sendDone that I overlooked. Does the updated MR work? 2526267 8 julien.dlq 2026-06-24 05:38:02 +0000 (In reply to Zamundaaa from comment #7) > There was a second sendDone that I overlooked. Does the updated MR work? Just tested, and it works. :) Thank you! 2527951 9 xaver.hugl 2026-06-29 12:43:16 +0000 Git commit 1d45c66c1fcb6e03c3bc23322f84dc0fcf92889d by Xaver Hugl. Committed on 29/06/2026 at 12:02. Pushed by zamundaaa into branch 'master'. wayland/outputdevice: delay done event until the output has a UUID The output device is created immediately after the output, but the UUID is only set by workspace a bit later. Co-authored-by: Julien Delquié julien.dlq@gmail.com M +7 -1 src/wayland/outputdevice_v2.cpp https://invent.kde.org/plasma/kwin/-/commit/1d45c66c1fcb6e03c3bc23322f84dc0fcf92889d 2528048 10 xaver.hugl 2026-06-29 15:15:37 +0000 Git commit 0f2c65f9339eb7820f9a28d28e680b98a743741b by Xaver Hugl. Committed on 29/06/2026 at 13:06. Pushed by zamundaaa into branch 'Plasma/6.7'. wayland/outputdevice: delay done event until the output has a UUID The output device is created immediately after the output, but the UUID is only set by workspace a bit later. Co-authored-by: Julien Delquié julien.dlq@gmail.com (cherry picked from commit 1d45c66c1fcb6e03c3bc23322f84dc0fcf92889d) Co-authored-by: Xaver Hugl <xaver.hugl@kde.org> M +7 -1 src/wayland/outputdevice_v2.cpp https://invent.kde.org/plasma/kwin/-/commit/0f2c65f9339eb7820f9a28d28e680b98a743741b 193415 2026-06-20 07:06:46 +0000 2026-06-20 07:06:46 +0000 Remove infinite loop sound 0001-Try-to-remove-infinite-loop-of-device-disconnection-connection-notification-sounds.patch text/plain 2089 julien.dlq RnJvbSAyZDQwMjhjMTBkNzlhODU5N2RkNTc1MDYyMjg4MDEzMWU0NDVjZGQ3IE1vbiBTZXAgMTcg MDA6MDA6MDAgMjAwMQpGcm9tOiBKdWxpZW5EbHEgPGp1bGllbi5kbHFAZ21haWwuY29tPgpEYXRl OiBTYXQsIDIwIEp1biAyMDI2IDA3OjMxOjU1ICswMjAwClN1YmplY3Q6IFtQQVRDSF0gVHJ5IHRv IHJlbW92ZSBpbmZpbml0ZSBsb29wIG9mIGRldmljZQogZGlzY29ubmVjdGlvbi9jb25uZWN0aW9u IG5vdGlmaWNhdGlvbiBzb3VuZHMKCi0tLQogZGV2aWNlbm90aWZpY2F0aW9ucy9kZXZpY2Vub3Rp ZmljYXRpb25zLmNwcCB8IDE4ICsrKysrKysrKysrKysrKy0tLQogZGV2aWNlbm90aWZpY2F0aW9u cy9kZXZpY2Vub3RpZmljYXRpb25zLmggICB8ICAxICsKIDIgZmlsZXMgY2hhbmdlZCwgMTYgaW5z ZXJ0aW9ucygrKSwgMyBkZWxldGlvbnMoLSkKCmRpZmYgLS1naXQgYS9kZXZpY2Vub3RpZmljYXRp b25zL2RldmljZW5vdGlmaWNhdGlvbnMuY3BwIGIvZGV2aWNlbm90aWZpY2F0aW9ucy9kZXZpY2Vu b3RpZmljYXRpb25zLmNwcAppbmRleCA1ZTBlZTBmZGMyLi4wZDE4MmJkOGMxIDEwMDY0NAotLS0g YS9kZXZpY2Vub3RpZmljYXRpb25zL2RldmljZW5vdGlmaWNhdGlvbnMuY3BwCisrKyBiL2Rldmlj ZW5vdGlmaWNhdGlvbnMvZGV2aWNlbm90aWZpY2F0aW9ucy5jcHAKQEAgLTMyMiw2ICszMjIsNyBA QCBPdXRwdXREZXZpY2U6On5PdXRwdXREZXZpY2UoKQogdm9pZCBPdXRwdXREZXZpY2U6OmtkZV9v dXRwdXRfZGV2aWNlX3YyX3V1aWQoY29uc3QgUVN0cmluZyAmdXVpZCkKIHsKICAgICBtX3V1aWQg PSB1dWlkOworICAgIG1fdXVpZFNldCA9ICFtX3V1aWQuaXNFbXB0eSgpOwogfQogCiB2b2lkIE91 dHB1dERldmljZTo6a2RlX291dHB1dF9kZXZpY2VfdjJfbW9kZShzdHJ1Y3QgOjprZGVfb3V0cHV0 X2RldmljZV9tb2RlX3YyICptb2RlKQpAQCAtMzMxLDEzICszMzIsMjQgQEAgdm9pZCBPdXRwdXRE ZXZpY2U6OmtkZV9vdXRwdXRfZGV2aWNlX3YyX21vZGUoc3RydWN0IDo6a2RlX291dHB1dF9kZXZp Y2VfbW9kZV92MgogCiB2b2lkIE91dHB1dERldmljZTo6a2RlX291dHB1dF9kZXZpY2VfdjJfZG9u ZSgpCiB7Ci0gICAgbV9pc0luaXRpYWxpemVkID0gdHJ1ZTsKLSAgICBRX0VNSVQgZG9uZSgpOwor ICAgIC8vIE9ubHkgY29uc2lkZXIgaXQgaW5pdGlhbGl6ZWQgb25jZSB3ZSBoYXZlIGEgbm9uLWVt cHR5IFVVSUQuCisgICAgLy8gVGhpcyBhdm9pZHMgc3B1cmlvdXMgYWRkL3JlbW92ZSBjaHVybiBk dXJpbmcgY29tcG9zaXRvciByZW5lZ290aWF0aW9uLgorICAgIGlmICghbV91dWlkU2V0KSB7Cisg ICAgICAgIHJldHVybjsKKyAgICB9CisKKyAgICBpZiAoIW1faXNJbml0aWFsaXplZCkgeworICAg ICAgICBtX2lzSW5pdGlhbGl6ZWQgPSB0cnVlOworICAgICAgICBRX0VNSVQgZG9uZSgpOworICAg IH0KIH0KIAogdm9pZCBPdXRwdXREZXZpY2U6OmtkZV9vdXRwdXRfZGV2aWNlX3YyX3JlbW92ZWQo KQogewotICAgIFFfRU1JVCByZW1vdmVkKCk7CisgICAgLy8gRG9u4oCZdCBub3RpZnkgcmVtb3Zh bCB1bmxlc3Mgd2UgaGFkIGEgdmFsaWQgVVVJRCBwcmV2aW91c2x5LgorICAgIGlmIChtX3V1aWRT ZXQpIHsKKyAgICAgICAgUV9FTUlUIHJlbW92ZWQoKTsKKyAgICB9CiB9CiAKIE91dHB1dERldmlj ZU1vZGU6Ok91dHB1dERldmljZU1vZGUoOjprZGVfb3V0cHV0X2RldmljZV9tb2RlX3YyICptb2Rl KQpkaWZmIC0tZ2l0IGEvZGV2aWNlbm90aWZpY2F0aW9ucy9kZXZpY2Vub3RpZmljYXRpb25zLmgg Yi9kZXZpY2Vub3RpZmljYXRpb25zL2RldmljZW5vdGlmaWNhdGlvbnMuaAppbmRleCA0M2U2ZTQ5 YzVmLi41NzEzYzZjNDVjIDEwMDY0NAotLS0gYS9kZXZpY2Vub3RpZmljYXRpb25zL2RldmljZW5v dGlmaWNhdGlvbnMuaAorKysgYi9kZXZpY2Vub3RpZmljYXRpb25zL2RldmljZW5vdGlmaWNhdGlv bnMuaApAQCAtMTA1LDYgKzEwNSw3IEBAIHByb3RlY3RlZDoKIAogcHJpdmF0ZToKICAgICBRU3Ry aW5nIG1fdXVpZDsKKyAgICBib29sIG1fdXVpZFNldCA9IGZhbHNlOwogICAgIGJvb2wgbV9pc0lu aXRpYWxpemVkID0gZmFsc2U7CiB9OwogCi0tIAoyLjU0LjAKCg==