As recommended by sarnold@#ubuntu-devel.freenode, pasting entire apt command and output. It happened other times I did instalations too:
root@manauara:~# apt install pulseaudio-modules-bt libldac Lendo listas de pacotes... Pronto Construindo árvore de dependências Lendo informação de estado... Pronto The following additional packages will be installed: libfdk-aac1 Pacotes sugeridos: libavcodec Os pacotes a seguir serão REMOVIDOS: pulseaudio-module-bluetooth Os NOVOS pacotes a seguir serão instalados: libfdk-aac1 libldac pulseaudio-modules-bt 0 pacotes atualizados, 3 pacotes novos instalados, 1 a serem removidos e 0 não atualizados. É preciso baixar 469 kB de arquivos. Depois desta operação, 827 kB adicionais de espaço em disco serão usados. Você quer continuar? [S/n] S Obter:1 http://br.archive.ubuntu.com/ubuntu focal/multiverse amd64 libfdk-aac1 amd64 0.1.6-1 [366 kB] Obter:2 http://ppa.launchpad.net/eh5/pulseaudio-a2dp/ubuntu disco/main amd64 libldac amd64 2.0.2.3-2~disco1 [28,1 kB] Obter:3 http://ppa.launchpad.net/eh5/pulseaudio-a2dp/ubuntu disco/main amd64 pulseaudio-modules-bt amd64 1.1.99-3~disco1 [74,3 kB] Baixados 469 kB em 2s (242 kB/s) ERROR rpc error: code = DeadlineExceeded desc = context deadline exceeded (Lendo banco de dados ... 175329 ficheiros e directórios actualmente instalados.) A remover pulseaudio-module-bluetooth (1:13.99.1-1ubuntu3) ... A seleccionar pacote anteriormente não seleccionado libfdk-aac1:amd64. (Lendo banco de dados ... 175318 ficheiros e directórios actualmente instalados.) A preparar para desempacotar .../libfdk-aac1_0.1.6-1_amd64.deb ... A descompactar libfdk-aac1:amd64 (0.1.6-1) ... A seleccionar pacote anteriormente não seleccionado libldac:amd64. A preparar para desempacotar .../libldac_2.0.2.3-2~disco1_amd64.deb ... A descompactar libldac:amd64 (2.0.2.3-2~disco1) ... A seleccionar pacote anteriormente não seleccionado pulseaudio-modules-bt. A preparar para desempacotar .../pulseaudio-modules-bt_1.1.99-3~disco1_amd64.deb ... A descompactar pulseaudio-modules-bt (1.1.99-3~disco1) ... Configurando libldac:amd64 (2.0.2.3-2~disco1) ... Configurando libfdk-aac1:amd64 (0.1.6-1) ... Configurando pulseaudio-modules-bt (1.1.99-3~disco1) ... A processar 'triggers' para libc-bin (2.31-0ubuntu9) ... ERROR rpc error: code = Unavailable desc = transport is closing -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to zfs-linux in Ubuntu. https://bugs.launchpad.net/bugs/1875767 Title: When operating install/removal with apt, zed floods log and apparently crashes snapshoting Status in zfs-linux package in Ubuntu: New Bug description: Hello! When I ran a install, it behaved like this: ERROR rpc error: code = DeadlineExceeded desc = context deadline exceeded ... etc apt messages ... A processar 'triggers' para libc-bin (2.31-0ubuntu9) ... ERROR rpc error: code = Unavailable desc = transport is closing Log gets flooded by the follow message: abr 28 20:41:48 manauara zed[512257]: eid=10429 class=history_event pool_guid=0x7E8B0F177C4DD12C abr 28 20:41:49 manauara zed[508106]: Missed 1 events And machine load gets high for incredible amount of time. Workarround is: systemctl restart zsysd systemctl restart zed System also gets a bit slow and fans get high for a while (because the load). This is a fresh install of ubuntu 20.04 with ZFS on SATA SSD. ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: zfsutils-linux 0.8.3-1ubuntu12 ProcVersionSignature: Ubuntu 5.4.0-28.32-generic 5.4.30 Uname: Linux 5.4.0-28-generic x86_64 NonfreeKernelModules: nvidia_modeset nvidia zfs zunicode zavl icp zcommon znvpair ApportVersion: 2.20.11-0ubuntu27 Architecture: amd64 CasperMD5CheckResult: skip Date: Tue Apr 28 20:49:14 2020 InstallationDate: Installed on 2020-04-27 (1 days ago) InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Release amd64 (20200423) ProcEnviron: LANGUAGE=pt_BR:pt:en TERM=xterm-256color PATH=(custom, no user) LANG=pt_BR.UTF-8 SHELL=/bin/bash SourcePackage: zfs-linux UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/zfs-linux/+bug/1875767/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp