> # pacman -Syu
> :: Synchronizing package databases...
> core is up to date
> extra is up to date
> community is up to date
> multilib is up to date
> chaotic-aur is up to date
> :: Starting full system upgrade...
> :: Replace linux54-rt with community/linux-rt-lts-manjaro? [Y/n] y
> :: Replace linux59-rt with community/linux-rt-manjaro? [Y/n] y
> :: Replace qca with extra/qca-qt5? [Y/n] y
> resolving dependencies...
> looking for conflicting packages...
>
> Packages (173) accounts-qml-module-0.7-4 alsa-lib-1.2.5-2 alsa-plugins-1:1.2.5-2 alsa-topology-conf-1.2.5-1 alsa-ucm-conf-1.2.5-1 alsa-utils-1.2.5-3
> at-spi2-core-2.40.2-1 boost-1.75.0-5 boost-libs-1.75.0-5 ca-certificates-20210529-1 ca-certificates-utils-20210529-1 calligra-3.2.1-15
> chaotic-mirrorlist-20210620-1 chromium-91.0.4472.114-1 colord-1.4.5-4 colord-sane-1.4.5-4 deepin-desktop-base-2:2021.5.07-1 deepin-qt5integration-5.1.12-1
> deepin-system-monitor-5.8.6-1 drumstick-2.2.1-1 dtkcommon-5.5.3-1 dtkcore-1:5.4.15-1 dtkgui-5.5.2-1 dtkwidget-5.5.7-1 elfutils-0.185-1 evince-40.1-2
> faudio-21.06-1 firefox-89.0.1-1 flatpak-1.11.1-2 git-2.32.0-1 gnome-desktop-1:40.1-2 gnome-disk-utility-40.1-2 gnutls-3.7.2-1
> google-chrome-91.0.4472.114-1 grub-2.06-1 gsl-2.7-1 gst-plugin-pipewire-common-git-0.3.30.r178.ged9560fb-1 gtk-update-icon-cache-1:4.2.1-2 gtk3-1:3.24.29-2
> gupnp-1.2.7-1 imagemagick-7.0.11.14-1 imath-3.0.4-1 inetutils-2.0-1 inkscape-1.1-3 intel-gmmlib-21.1.3-1 intel-media-driver-21.2.1-1 js78-78.11.0-1
> lib32-alsa-lib-1.2.5-2 lib32-alsa-plugins-1.2.5-1 lib32-at-spi2-core-2.40.2-1 lib32-colord-1.4.5-3 lib32-faudio-21.06-1 lib32-gnutls-3.7.2-1
> lib32-libcanberra-0.30+2+gc0620e4-4 lib32-libelf-0.185-1 lib32-libgusb-0.3.7-1 lib32-libogg-1.3.5-1 lib32-librsvg-2:2.50.7-1 lib32-libtirpc-1.3.2-1
> lib32-libva-mesa-driver-21.1.2-1 lib32-libx11-1.7.2-1 lib32-libxcrypt-4.4.22-2 lib32-llvm-libs-12.0.0-1 lib32-mesa-21.1.2-1 lib32-mesa-vdpau-21.1.2-1
> lib32-mpg123-1.28.0-1 lib32-pipewire-1:0.3.30-1 lib32-polkit-0.119-1 lib32-systemd-248.3-1 lib32-util-linux-2.37-1 lib32-vulkan-intel-21.1.2-1
> lib32-vulkan-radeon-21.1.2-1 lib32-zstd-1.5.0-2 libaccounts-glib-1.25-4 libaccounts-qt-1.16-3 libcanberra-0.30+2+gc0620e4-4 libcolord-1.4.5-4
> libedit-20210522_3.1-1 libelf-0.185-1 libgusb-0.3.7-1 libinput-1.18.0-1 liblouis-3.18.0-1 libmbim-1.24.8-1 libmm-glib-1.16.6-1 libnftnl-1.2.0-1
> libnice-0.1.18-2 libogg-1.3.5-1 libpurple-2.14.5-1 libqmi-1.28.6-1 libreoffice-still-7.0.6-2 librsvg-2:2.50.7-1 libva-mesa-driver-21.1.2-1 libx11-1.7.2-1
> libxcrypt-4.4.22-4 linux-rt-lts-manjaro-5.10-1 linux-rt-manjaro-5.11-1 linux510-5.10.42-1 linux510-rt-5.10.35_rt39-1 linux511-rt-5.11.4_rt11-1
> linux54-5.4.124-1 linux54-rt-5.4.115_rt57-1 [removal] linux59-rt-5.9.1_rt20-1 [removal] llvm-libs-12.0.0-1 manjaro-release-21.0.7-1 mesa-21.1.2-1
> mesa-vdpau-21.1.2-1 mhwd-db-0.6.5-9 mkinitcpio-30-2 modemmanager-1.16.6-1 mousepad-0.5.5-3 mpg123-1.28.0-1 nettle-3.7.3-1 nftables-1:0.9.9-1
> obs-studio-27.0.0-2 ocl-icd-2.3.0-1 openexr-3.0.4-1 openmpi-4.1.1-1 pambase-20210605-2 papirus-icon-theme-20210601-1 pidgin-2.14.5-1
> pipewire-common-alsa-git-0.3.30.r178.ged9560fb-1 pipewire-common-git-0.3.30.r178.ged9560fb-1 pipewire-common-jack-git-0.3.30.r178.ged9560fb-1
> pipewire-common-pulse-git-0.3.30.r178.ged9560fb-1 polkit-0.119-1 poppler-21.06.1-1 poppler-glib-21.06.1-1 poppler-qt5-21.06.1-1 pstoedit-3.75-5
> pulseaudio-alsa-1:1.2.5-2 python-distlib-0.3.2-1 python-idna-3.2-1 python-more-itertools-8.7.0-1 python-setuptools-1:57.0.0-2 python-zita-jacktools-1.5.0-1
> python2-distlib-0.3.2-1 qca-2.3.2-2 [removal] qca-qt5-2.3.3-1 qt5-declarative-5.15.2+kde+r28-1 qt5-tools-5.15.2+kde+r17-2 qt5-webengine-5.15.4-3
> qt6-base-6.1.1-1 re2-1:20210601-1 recode-3.7.9-1 rosegarden-21.06-1 rubberband-1.9.2-1 steamtinkerlaunch-6.10-1 systemd-248.3-3 systemd-libs-248.3-3
> systemd-sysvcompat-248.3-3 thunderbird-78.11.0-1 timeshift-20.11.1.r28.gefed117-2 tumbler-4.16.0-3 util-linux-2.37-3 util-linux-libs-2.37-3
> vte-common-0.64.2-2 vte3-0.64.2-2 vulkan-intel-21.1.2-1 vulkan-radeon-21.1.2-1 wine-6.10-1 xfce4-appfinder-4.16.1-2 xfce4-panel-4.16.3-2
> xfce4-power-manager-4.16.0-3 xfce4-session-4.16.0-2 xfce4-settings-4.16.2-1 xfce4-terminal-0.8.10-2 xfconf-4.16.0-2 xfdesktop-4.16.0-2 xfwm4-4.16.1-2
> yelp-40.2-1 yelp-xsl-40.2-1 youtube-dl-2021.06.06-1 zbar-0.23.1-7
>
> Total Installed Size: 4345.29 MiB
> Net Upgrade Size: 38.11 MiB
>
> :: Proceed with installation? [Y/n] y
> (170/170) checking keys in keyring [###############################################################] 100%
> downloading required keys...
> :: Import PGP key 8A9E14A07010F7E3, "Pedro Henrique Lara Campos <pedrohlc@chaotic.cx>"? [Y/n] y
> error: key "8A9E14A07010F7E3" could not be looked up remotely
> :: Import PGP key 3A40CB5E7E5CBC30, "UFSCar HPC Builder <hpc.ufscar@chaotic.cx>"? [Y/n] y
> error: key "3A40CB5E7E5CBC30" could not be looked up remotely
> :: Import PGP key 0706B90D37D9B881, "Pedro Henrique Lara Campos <root@pedrohlc.com>"? [Y/n] y
> error: key "0706B90D37D9B881" could not be looked up remotely
> error: required key missing from keyring
> error: failed to commit transaction (unexpected error)
> Errors occurred, no packages were upgraded.
I was getting about six " Pedro Henrique Lara Campos <root@pedrohlc.com>" is unknown trust" errors, but after various random tweaks that went away (for now).
> Total Installed Size: 4345.29 MiB
> Net Upgrade Size: 38.11 MiB
>
> :: Proceed with installation? [Y/n] y
> (170/170) checking keys in keyring [###############################################################] 100%
> downloading required keys...
> :: Import PGP key 0706B90D37D9B881, "Pedro Henrique Lara Campos <root@pedrohlc.com>"? [Y/n] y
> (170/170) checking package integrity [###############################################################] 100%
> error: chaotic-mirrorlist: signature from "Pedro Henrique Lara Campos <root@pedrohlc.com>" is unknown trust
> :: File /var/cache/pacman/pkg/chaotic-mirrorlist-20210620-1-any.pkg.tar.zst is corrupted (invalid or corrupted package (PGP signature)).
> Do you want to delete it? [Y/n] y
> error: pipewire-common-git: signature from "Pedro Henrique Lara Campos <root@pedrohlc.com>" is unknown trust
> :: File /var/cache/pacman/pkg/pipewire-common-git-0.3.30.r178.ged9560fb-1-x86_64.pkg.tar.zst is corrupted (invalid or corrupted package (PGP signature)).
> Do you want to delete it? [Y/n] y
> error: google-chrome: key "45ECA705E3897524654A37880706B90D37D9B881" is unknown
> :: Import PGP key 45ECA705E3897524654A37880706B90D37D9B881? [Y/n] y
> error: key "45ECA705E3897524654A37880706B90D37D9B881" could not be looked up remotely
> :: File /var/cache/pacman/pkg/google-chrome-91.0.4472.114-1-x86_64.pkg.tar.zst is corrupted (invalid or corrupted package (PGP signature)).
> Do you want to delete it? [Y/n] y
> error: gst-plugin-pipewire-common-git: signature from "Pedro Henrique Lara Campos <root@pedrohlc.com>" is unknown trust
> :: File /var/cache/pacman/pkg/gst-plugin-pipewire-common-git-0.3.30.r178.ged9560fb-1-x86_64.pkg.tar.zst is corrupted (invalid or corrupted package (PGP signature)).
> Do you want to delete it? [Y/n] y
> error: pipewire-common-alsa-git: signature from "Pedro Henrique Lara Campos <root@pedrohlc.com>" is unknown trust
> :: File /var/cache/pacman/pkg/pipewire-common-alsa-git-0.3.30.r178.ged9560fb-1-x86_64.pkg.tar.zst is corrupted (invalid or corrupted package (PGP signature)).
> Do you want to delete it? [Y/n] y
> error: pipewire-common-jack-git: signature from "Pedro Henrique Lara Campos <root@pedrohlc.com>" is unknown trust
> :: File /var/cache/pacman/pkg/pipewire-common-jack-git-0.3.30.r178.ged9560fb-1-x86_64.pkg.tar.zst is corrupted (invalid or corrupted package (PGP signature)).
> Do you want to delete it? [Y/n] y
> error: pipewire-common-pulse-git: signature from "Pedro Henrique Lara Campos <root@pedrohlc.com>" is unknown trust
> :: File /var/cache/pacman/pkg/pipewire-common-pulse-git-0.3.30.r178.ged9560fb-1-x86_64.pkg.tar.zst is corrupted (invalid or corrupted package (PGP signature)).
> Do you want to delete it? [Y/n] y
> error: steamtinkerlaunch: signature from "Pedro Henrique Lara Campos <root@pedrohlc.com>" is unknown trust
> :: File /var/cache/pacman/pkg/steamtinkerlaunch-6.10-1-any.pkg.tar.zst is corrupted (invalid or corrupted package (PGP signature)).
> Do you want to delete it? [Y/n] y
> error: failed to commit transaction (invalid or corrupted package)
> Errors occurred, no packages were upgraded.
Sorry, I just noticed the topic and have fix for a common keyring error. I don’t know if it helps in your case, I have no time to read what you posted.
> ......
> gpg: key 1EB2638FF56C0C53: no user ID for key signature packet of class 10
> gpg: key 1EB2638FF56C0C53: no user ID for key signature packet of class 10
> gpg: marginals needed: 3 completes needed: 1 trust model: pgp
> gpg: depth: 0 valid: 1 signed: 25 trust: 0-, 0q, 0n, 0m, 0f, 1u
> gpg: depth: 1 valid: 25 signed: 84 trust: 0-, 0q, 0n, 25m, 0f, 0u
> gpg: depth: 2 valid: 75 signed: 24 trust: 75-, 0q, 0n, 0m, 0f, 0u
> gpg: next trustdb check due at 2021-08-02
> gpg: keyserver refresh failed: No keyserver available
> ==> ERROR: A specified local key could not be updated from a keyserver.
# pacman-key --populate chaotic
==> ERROR: The keyring file /usr/share/pacman/keyrings/chaotic.gpg does not exist.
# pacman -Sy chaotic-keyring
:: Synchronizing package databases...
core is up to date
extra is up to date
community is up to date
multilib is up to date
chaotic-aur 1164.3 KiB 285 KiB/s 00:04 [###############################################################] 100%
resolving dependencies...
looking for conflicting packages...
Packages (1) chaotic-keyring-20210617-1
Total Download Size: 0.02 MiB
Total Installed Size: 0.02 MiB
:: Proceed with installation? [Y/n] y
:: Retrieving packages...
chaotic-keyring-20210617-1-any 15.9 KiB 73.3 KiB/s 00:00 [###############################################################] 100%
(1/1) checking keys in keyring [###############################################################] 100%
downloading required keys...
:: Import PGP key 8A9E14A07010F7E3, "Pedro Henrique Lara Campos <root@pedrohlc.com>"? [Y/n] y
error: key "8A9E14A07010F7E3" could not be looked up remotely
error: required key missing from keyring
error: failed to commit transaction (unexpected error)
Errors occurred, no packages were upgraded.