I used this little script up temporarily use the 'proposed' and am
currently without glitches (crossed fingers)
---
#!/usr/bin/env bash
set -euo pipefail
CODENAME="$(. /etc/os-release && echo "$VERSION_CODENAME")"
sudo tee "/etc/apt/sources.list.d/${CODENAME}-proposed.list" >/dev/null <<EOF
deb http://nl.archive.ubuntu.com/ubuntu ${CODENAME}-proposed main restricted
universe multiverse
EOF
sudo tee /etc/apt/preferences.d/99-proposed-low-priority >/dev/null <<EOF
Package: *
Pin: release a=${CODENAME}-proposed
Pin-Priority: 100
EOF
sudo apt update
echo "Dry-run first:"
sudo apt install --simulate -t "${CODENAME}-proposed" \
mutter gnome-shell libgl1-mesa-dri libegl-mesa0 mesa-vulkan-drivers
read -rp "Proceed with install? [y/N] " yn
[[ "$yn" =~ ^[Yy]$ ]] || exit 1
sudo apt install -t "${CODENAME}-proposed" \
mutter gnome-shell libgl1-mesa-dri libegl-mesa0 mesa-vulkan-drivers
echo "Done. Reboot recommended."
---
libegl-mesa0:amd64 26.0.8-1ubuntu0.2
libgbm1:amd64 26.0.8-1ubuntu0.2
libgl1-mesa-dri:amd64 26.0.8-1ubuntu0.2
libglu1-mesa:amd64 9.0.2-1.1build2
libglx-mesa0:amd64 26.0.8-1ubuntu0.2
mesa-libgallium:amd64 26.0.8-1ubuntu0.2
mesa-utils 9.0.0-2build1
mesa-utils-bin:amd64 9.0.0-2build1
mesa-vulkan-drivers:amd64 26.0.8-1ubuntu0.2
---
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You received this bug notification because you are a member of Ubuntu
Desktop Bugs, which is subscribed to mutter in Ubuntu.
https://bugs.launchpad.net/bugs/2152207
Title:
Failed to lock front buffer on /dev/dri/card1:
gbm_surface_lock_front_buffer failed | Failed to query buffer age, got
error 3003
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