Falha do Xorg após `grupo/ação ACPI indefinido: jack/videoout / VIDEOOUT`

Desde os últimos dias, o Xorg trava cerca de uma vez por dia, de forma completamente aleatória. Quando ele trava, meus monitores ficam pretos e alguns segundos depois o gerenciador de login do LightDM aparece.

Estou no Arch 5.15.2, bspwm, versão do driver proprietário da nvidia 495.44-9. Tanto o kernel quanto o driver da nvidia foram atualizados recentemente, então eles podem ser a causa. Meu sistema é um Lenovo Legion 5 Pro com Ryzen 7 5800H, RTX 3070 Mobilee 16GB RAM. Estou usando dois monitores externos: um conectado a HDMI e outro a uma saída USB-C.

Estranhamente, duas das falhas aconteceram ao assistir a vídeos no reddit, quando algo muito alto e agudo aconteceu de repente. A falha acontece quando o barulho alto acontece ou quando eu baixo rapidamente o volume usando os botões do mouse. Estou sempre usando fones de ouvido, conectados à porta de 3,5 mm (Beyerdynamic DT 770 Pro 80 Ohm). Outras falhas parecem ser aleatórias. Não tive nenhum travamento quando os monitores não estavam conectados, mas não tenho usado muito meu laptop ultimamente.

Olhando para journalctl, a falha sempre acontece logo após essas linhas de saída de vídeo/saída ACPI e saída de linha:

Nov 20 11:16:00 zjeffer root[251860]: ACPI group/action undefined: jack/lineout / LINEOUT
Nov 20 11:16:00 zjeffer root[251862]: ACPI group/action undefined: jack/videoout / VIDEOOUT
Nov 20 11:16:01 zjeffer acpid[562]: client 607[0:0] has disconnected
Nov 20 11:16:01 zjeffer acpid[562]: client 607[0:0] has disconnected
Nov 20 11:16:01 zjeffer root[251995]: ACPI group/action undefined: jack/lineout / LINEOUT
Nov 20 11:16:01 zjeffer root[251997]: ACPI group/action undefined: jack/videoout / VIDEOOUT
Nov 20 11:16:01 zjeffer systemd[1]: Created slice Slice /system/systemd-coredump.
Nov 20 11:16:01 zjeffer systemd[1]: Started Process Core Dump (PID 251993/UID 0).
Nov 20 11:16:01 zjeffer systemd-coredump[252000]: [?] Process 607 (Xorg) of user 0 dumped core.
                                                  
                                                  Found module linux-vdso.so.1 with build-id: 86aa67c5d299799c7345d04bd8a2c511eeea459e
                                                  Found module libffi.so.8 with build-id: f90d8b734f6de9b25faedb8cbfab7054dafc0a42
                                                  Found module libgobject-2.0.so.0 with build-id: 3e451709a0a5772b9550d3a4c28dcb37a87028fa
                                                  Found module libgudev-1.0.so.0 with build-id: a9f734ea9206d637d5aacfbd86298c91cdc1a33a
                                                  Found module libwacom.so.2 with build-id: 1d9b89a6d39be5568d5f44888b8a74f46a30c152
                                                  Found module libevdev.so.2 with build-id: b62ae69f839f1b6b06ef2c1df19f25ff09b0d824
                                                  Found module libmtdev.so.1 with build-id: 0cea2a842ae9a0ef02a08477076caab0e5ac5e42
                                                  Found module libinput.so.10 with build-id: 77f3eca5dddc8cac29b71bc5041a79ce57fceb56
                                                  Found module libinput_drv.so with build-id: d9f69f11259485316bd206e67e34dd23bbede5cc
                                                  Found module libnvidia-glcore.so.495.44 with build-id: d634ab77fa6c8b0b33973dff2606227df42dd0ec
                                                  Found module libnvidia-tls.so.495.44 with build-id: 744df1115e69d5caab88537c0d3983a3783cec8a
                                                  Found module libglxserver_nvidia.so with build-id: 02da342fa6a34200029b4c60a3f2cd23ac6b2ba3
                                                  Found module libwfb.so with build-id: 06de5be0f21630de392a79771f5d81ac62a0cf9f
                                                  Found module nvidia_drv.so with build-id: 9fa1f2f377b54e8cdeb3bc6224a79ffa8794b223
                                                  Found module libxcb.so.1 with build-id: 0d1ef11740a5daad2ee331e812a51aa6574af222
                                                  Found module libX11.so.6 with build-id: e9192497aa39fab51358826d1a1b5fb77edc5081
                                                  Found module libGLX.so.0 with build-id: 0f40ceaa036edc65147e9559b94e0219472493fc
                                                  Found module libGLdispatch.so.0 with build-id: 195b34c1bb271f3b1162c897cfbcfb859e656b93
                                                  Found module libGL.so.1 with build-id: 8b3028bab286029945569a0dfcf695f0f61d9c3b
                                                  Found module libglx.so with build-id: a506bc474051e9b92e7c4cbc17874e18c48ed1f0
                                                  Found module libgcc_s.so.1 with build-id: 7f8508bb914546ada778809b64b99d234337d835
                                                  Found module libpcre.so.1 with build-id: 845483dd0acba86de9f0313102bebbaf3ce52767
                                                  Found module libbrotlicommon.so.1 with build-id: f68934f94312f770550ebc6c5acfd6359b098b07
                                                  Found module libglib-2.0.so.0 with build-id: d4aa102e545015a506c3ee06398676b70f65bcbc
                                                  Found module libgraphite2.so.3 with build-id: 47761dc11e553f519cde97ed9ee985be12ccdae2
                                                  Found module libresolv.so.2 with build-id: c915c72668282861a813f7ea3c0780f37b681dc0
                                                  Found module libkeyutils.so.1 with build-id: ac405ddd17be10ce538da3211415ee50c8f8df79
                                                  Found module libkrb5support.so.0 with build-id: adf65240a4d2aba772d7a0772b4d015469934113
                                                  Found module libcom_err.so.2 with build-id: eb61ef71c8b97846db759fb89a115405cff6dd30
                                                  Found module libk5crypto.so.3 with build-id: eb8220b8f36675aac769450be4cb6bb7f97ec38a
                                                  Found module libkrb5.so.3 with build-id: 72d26767c5cb1097db75a5f5bff88860233c902b
                                                  Found module libgpg-error.so.0 with build-id: 3801187d42c4955bd93c605451430cdf1b164e63
                                                  Found module libbrotlidec.so.1 with build-id: f871e6f204ab8d48099915126ba01be989a8000f
                                                  Found module libharfbuzz.so.0 with build-id: f3507938a0d15efd3c81f0f9f1dd98cfdaf2144f
                                                  Found module libpng16.so.16 with build-id: 2dc0bce07f199bf983c07a05fb95a6f4af83a9b3
                                                  Found module libbz2.so.1.0 with build-id: 919597c477c9b2cb9cdbb7745ed6494ac0e6da60
                                                  Found module libgssapi_krb5.so.2 with build-id: e6e098ad51ce7bdd3dbe902d7b0f69a90f8a9e08
                                                  Found module libgcrypt.so.20 with build-id: db45f5d5e0f7af1e77324fea1885f974619ad268
                                                  Found module libcap.so.2 with build-id: f028e24efdfb362a37fa8dd280c3894b007f88b1
                                                  Found module liblz4.so.1 with build-id: e63600ab23b2f6997f42fac2fa56e1f02ce159a1
                                                  Found module libzstd.so.1 with build-id: 4b10444c1560ebc574af4d5f488b7408b22d450e
                                                  Found module liblzma.so.5 with build-id: 8b615460aa230708c5183f16bede67aa0437d95e
                                                  Found module librt.so.1 with build-id: 75484da2d6f1515189eefa076e0a40328834cd16
                                                  Found module libfreetype.so.6 with build-id: 65e7f4a1e5557b0ceeaa433e5356f857fe9c669b
                                                  Found module libfontenc.so.1 with build-id: 5a11f1fb8c3f2714be9eb6697318f20e301e1d2f
                                                  Found module libz.so.1 with build-id: 81bf6e728a6d6f5b105b0f8b25f6c614ce10452a
                                                  Found module ld-linux-x86-64.so.2 with build-id: 040cc3dd10461562f177df39e3be2f3704258c3c
                                                  Found module libc.so.6 with build-id: 4b406737057708c0e4c642345a703c47a61c73dc
                                                  Found module libxcvt.so.0 with build-id: 30bad674c8227152bb709556a3657d0258554309
                                                  Found module libpthread.so.0 with build-id: 07c8f95b4f3251d08550217ad8a1f31066229996
                                                  Found module libtirpc.so.3 with build-id: 5bef2adfdee3df283f593b3e2d37b6dac405256a
                                                  Found module libdrm.so.2 with build-id: 8585630908d716a9ebf17abe665324984d15aa13
                                                  Found module libudev.so.1 with build-id: 9070ad2429e5355a96e0327226532a60f5abcb6f
                                                  Found module libdbus-1.so.3 with build-id: 74f2ab9c60512f3a93c932c3f627564d42e0b11e
                                                  Found module libsystemd.so.0 with build-id: 4173ca7f3b7338e7e0b8399eb75d6a7320c5f7f5
                                                  Found module libxshmfence.so.1 with build-id: 8876d9ccf620858795724ca24b9e567585a77cec
                                                  Found module libXfont2.so.2 with build-id: 154202dd7ddb86f6ae4d3bc762dfd8570b86882a
                                                  Found module libXdmcp.so.6 with build-id: 8ca0792d23c8b8b4c0864297512349292bea5955
                                                  Found module libXau.so.6 with build-id: 1c67764663e07bec24d8951e5fd93f4d165979ff
                                                  Found module libnettle.so.8 with build-id: 9a878e513c02007598fcf1e2e286c2203f13536e
                                                  Found module libpciaccess.so.0 with build-id: 9dd24e76ebc38465541313b36446ffb4af842c12
                                                  Found module libdl.so.2 with build-id: 5abc547e7b0949f89f3c0e21ab0c8331a7440a8a
                                                  Found module libm.so.6 with build-id: 2b8fd1f869ecab4e0b55e92f2f151897f6818acf
                                                  Found module libpixman-1.so.0 with build-id: 341f793dcada3a48a306a793d265a517e3f2e7d6
                                                  Found module Xorg with build-id: 18a012a3f10bafde1b37c70c13fd821a3eccaa89
                                                  Stack trace of thread 607:
                                                  #0  0x00007f65fae93d22 raise (libc.so.6 + 0x3cd22)
                                                  #1  0x00007f65fae7d862 abort (libc.so.6 + 0x26862)
                                                  #2  0x0000558fcd52166a OsAbort (Xorg + 0x14f66a)
                                                  #3  0x0000558fcd523171 FatalError (Xorg + 0x151171)
                                                  #4  0x0000558fcd528a76 n/a (Xorg + 0x156a76)
                                                  #5  0x00007f65fb03b870 __restore_rt (libpthread.so.0 + 0x13870)
                                                  #6  0x0000558fcd457ecd n/a (Xorg + 0x85ecd)
                                                  #7  0x0000558fcd4db159 n/a (Xorg + 0x109159)
                                                  #8  0x0000558fcd5146f4 XkbHandleActions (Xorg + 0x1426f4)
                                                  #9  0x0000558fcd5a961e n/a (Xorg + 0x1d761e)
                                                  #10 0x0000558fcd502dfa n/a (Xorg + 0x130dfa)
                                                  #11 0x0000558fcd51c220 n/a (Xorg + 0x14a220)
                                                  #12 0x0000558fcd51c532 WaitForSomething (Xorg + 0x14a532)
                                                  #13 0x0000558fcd40c5ab n/a (Xorg + 0x3a5ab)
                                                  #14 0x00007f65fae7eb25 __libc_start_main (libc.so.6 + 0x27b25)
                                                  #15 0x0000558fcd40d4ce _start (Xorg + 0x3b4ce)
                                                  
                                                  Stack trace of thread 764:
                                                  #0  0x00007f65fb03a600 __lll_lock_wait (libpthread.so.0 + 0x12600)
                                                  #1  0x00007f65fb033580 __pthread_mutex_lock (libpthread.so.0 + 0xb580)
                                                  #2  0x0000558fcd516d11 n/a (Xorg + 0x144d11)
                                                  #3  0x0000558fcd5212b1 n/a (Xorg + 0x14f2b1)
                                                  #4  0x0000558fcd51d411 n/a (Xorg + 0x14b411)
                                                  #5  0x00007f65fb031259 start_thread (libpthread.so.0 + 0x9259)
                                                  #6  0x00007f65faf555e3 __clone (libc.so.6 + 0xfe5e3)

Saída completa de journalctl -b: https://pastebin.com/aqevKaSV

Essas linhas de saída de vídeo e linha ACPI parecem aparecer com bastante frequência, mas nem sempre causam uma falha. Acho que nunca os vi antes até esta semana, e tenho esse laptop desde julho.

• Qual é o significado dos erros jack/lineoute jack/videooutACPI? Entendo que eles não estão definidos em /etc/acpi/handler.sh, mas o que os causa?

• Como algumas das falhas ocorreram quando algo muito alto acontece, o problema pode estar relacionado a grandes consumos de energia repentinos? O teste de estresse parece funcionar bem, no entanto.

• Olhando para o stacktrace do Xorg, a falha parece acontecer depois de chamar a __restore_rtfunção. O que isso significa?