Desktop & Audio stutters independent of System Usage

[Crazyroostereye1]

Everything stutters every now and then when connected to external Monitors. The Journalctl says this:

 Dez 19 15:18:13 CosmicFW systemd-coredump[42796]: [🡕] Process 42793 (tokio-runtime-w) of user 1000 dumped core.

                                                  Module libpciaccess.so.0 without build-id.
                                                  Module libdrm_intel.so.1 without build-id.
                                                  Module libdrm_radeon.so.1 without build-id.
                                                  Module libsensors.so.5 without build-id.
                                                  Module libxcb-dri2.so.0 without build-id.
                                                  Module libbz2.so.1 without build-id.
                                                  Module liblzma.so.5 without build-id.
                                                  Module libdrm_amdgpu.so.1 without build-id.
                                                  Module libxml2.so.2 without build-id.
                                                  Module libncursesw.so.6 without build-id.
                                                  Module libcap.so.2 without build-id.
                                                  Module libstdc++.so.6 without build-id.
                                                  Module libexpat.so.1 without build-id.
                                                  Module libdrm.so.2 without build-id.
                                                  Module libxcb-keysyms.so.1 without build-id.
                                                  Module libxshmfence.so.1 without build-id.
                                                  Module libxcb-shm.so.0 without build-id.
                                                  Module libxcb-randr.so.0 without build-id.
                                                  Module libxcb-sync.so.1 without build-id.
                                                  Module libxcb-xfixes.so.0 without build-id.
                                                  Module libxcb-present.so.0 without build-id.
                                                  Module libxcb-dri3.so.0 without build-id.
                                                  Module libzstd.so.1 without build-id.
                                                  Module libz.so.1 without build-id.
                                                  Module libX11-xcb.so.1 without build-id.
                                                  Module libXdmcp.so.6 without build-id.
                                                  Module libXau.so.6 without build-id.
                                                  Module libffi.so.8 without build-id.
                                                  Module libXext.so.6 without build-id.
                                                  Module libXfixes.so.3 without build-id.
                                                  Module libXrender.so.1 without build-id.
                                                  Module libxcb.so.1 without build-id.
                                                  Module libGLdispatch.so.0 without build-id.
                                                  Module libvulkan.so.1 without build-id.
                                                  Module libXrandr.so.2 without build-id.
                                                  Module libXi.so.6 without build-id.
                                                  Module libXcursor.so.1 without build-id.
                                                  Module libX11.so.6 without build-id.
                                                  Module libEGL.so.1 without build-id.
                                                  Module libgcc_s.so.1 without build-id.
                                                  Module libxkbcommon.so.0 without build-id.
                                                  Module .cosmic-app-library-wrapped without build-id.
                                                  Stack trace of thread 42793:
                                                  #0  0x00007f4901e2e712 __pthread_clockjoin_ex (libc.so.6 + 0x92712)
                                                  #1  0x00007f48d4443800 thrd_join (libgallium-24.2.6.so + 0x154800)
                                                  #2  0x00007f48d4420ebe util_queue_kill_threads (libgallium-24.2.6.so + 0x131ebe)
                                                  #3  0x00007f48d4420f3c atexit_handler (libgallium-24.2.6.so + 0x131f3c)
                                                  #4  0x00007f4901dded76 __run_exit_handlers (libc.so.6 + 0x42d76)
                                                  #5  0x00007f4901ddeeae exit (libc.so.6 + 0x42eae)
                                                  #6  0x00005650664faf45 _ZN3std3sys3pal4unix2os4exit17he3c7286f1642eb9bE (.cosmic-app-library-wrapped + 0xda5f45)
                                                  #7  0x00005650664b7ba4 _ZN3std7process4exit17hcfc54709efdaf670E (.cosmic-app-library-wrapped + 0xd62ba4)
                                                  #8  0x0000565065d8fcbd _ZN6cosmic7desktop18spawn_desktop_exec28_$u7b$$u7b$closure$u7d$$u7d$17h2cb6d624b01415e2E.llvm.1498419751992480773 (.cosmic-app-library-wrapped + 0x63acbd)
                                                  #9  0x0000565065d91c79 _ZN86_$LT$cosmic_app_library..app..CosmicAppLibrary$u20$as$u20$cosmic..app..Application$GT$6update28_$u7b$$u7b$closure$u7d$$u7d$17h973df461b0796e72E.llvm.1498419751992480773 (.cosmic-app-library-wrapped + 0x63cc79)
                                                  #10 0x0000565065d88633 _ZN5tokio7runtime4task4core17Core$LT$T$C$S$GT$4poll17h807b3d9e760d0a3aE (.cosmic-app-library-wrapped + 0x633633)
                                                  #11 0x0000565065deb601 _ZN5tokio7runtime4task7harness20Harness$LT$T$C$S$GT$4poll17h1d13532f14e17741E (.cosmic-app-library-wrapped + 0x696601)
                                                  #12 0x00005650665bb0ee _ZN5tokio7runtime9scheduler12multi_thread6worker7Context8run_task17he01fd8077f4d409aE (.cosmic-app-library-wrapped + 0xe660ee)
                                                  #13 0x00005650665ba7b2 _ZN5tokio7runtime9scheduler12multi_thread6worker7Context3run17h43f4eb2c02f24e85E (.cosmic-app-library-wrapped + 0xe657b2)
                                                  #14 0x00005650665d03f7 _ZN5tokio7runtime7context6scoped15Scoped$LT$T$GT$3set17hd220254b6cc0d003E (.cosmic-app-library-wrapped + 0xe7b3f7)
                                                  #15 0x00005650665cc5ed _ZN5tokio7runtime7context7runtime13enter_runtime17h45d1268599b196a2E (.cosmic-app-library-wrapped + 0xe775ed)
                                                  #16 0x00005650665ba031 _ZN5tokio7runtime9scheduler12multi_thread6worker3run17hccd725bbc8061922E (.cosmic-app-library-wrapped + 0xe65031)
                                                  #17 0x00005650665c9b34 _ZN102_$LT$tokio..runtime..blocking..task..BlockingTask$LT$T$GT$$u20$as$u20$core..future..future..Future$GT$4poll17h83feb60a6feca59fE (.cosmic-app-library-wrapped + 0xe74b34)
                                                  #18 0x00005650665d74b8 _ZN5tokio7runtime4task4core17Core$LT$T$C$S$GT$4poll17h6fbc8f583ea3c07dE (.cosmic-app-library-wrapped + 0xe824b8)
                                                  #19 0x00005650665b313f _ZN5tokio7runtime4task7harness20Harness$LT$T$C$S$GT$4poll17hab6354e153745d77E (.cosmic-app-library-wrapped + 0xe5e13f)
                                                  #20 0x00005650665dcece _ZN5tokio7runtime8blocking4pool5Inner3run17hf01ccf175b08f3e7E (.cosmic-app-library-wrapped + 0xe87ece)
                                                  #21 0x00005650665c5a53 _ZN3std3sys9backtrace28__rust_begin_short_backtrace17h70134ee047624c20E (.cosmic-app-library-wrapped + 0xe70a53)
                                                  #22 0x00005650665c6837 _ZN4core3ops8function6FnOnce40call_once$u7b$$u7b$vtable.shim$u7d$$u7d$17h3631f95adb140b6cE (.cosmic-app-library-wrapped + 0xe71837)
                                                  #23 0x00005650664c2cbb _ZN3std3sys3pal4unix6thread6Thread3new12thread_start17h87241c7e32b9860bE (.cosmic-app-library-wrapped + 0xd6dcbb)
                                                  #24 0x00007f4901e2cd02 start_thread (libc.so.6 + 0x90d02)
                                                  #25 0x00007f4901eac3ac __clone3 (libc.so.6 + 0x1103ac)
                                                  ELF object binary architecture: AMD x86-64

My System:

OS: NixOS 25.05.20241213.3566ab7 (Warbler) x86_64
Host: Laptop 13 (AMD Ryzen 7040Series) (A5)
Kernel: Linux 6.12.4
Uptime: 20 mins
Display (DELL S2721DS): 2560x1440 @ 60 Hz in 27" [External]
Display (DELL S2721DS): 2560x1440 @ 60 Hz in 27" [External]
Display (BOE0BCA): 2256x1504 @ 60 Hz in 13" [Built-in]
DE: COSMIC
WM: cosmic-comp (Wayland)
Cursor: Cosmic
Terminal: alacritty 0.14.0
Terminal Font: alacritty (16pt)
CPU: AMD Ryzen 5 7640U w/ Radeon 760M Graphics (12) @ 4.97 GHz
GPU: AMD Radeon 760M [Integrated]

[mmstick]

Needs more details. Version(s), hardware description, system logs, anything that'd be useful to replicate.

[Crazyroostereye1]

Sorry accidentally pressed Enter Prematurely

[Crazyroostereye1]

I dont know if it is related, but get also this error a lot too:
[GL] GL_INVALID_VALUE in glTexSubImage2D(xoffset 0 + width 13 > 10)