Comment 0 for bug 1995137

"sun4i-drm_dri.so" is needed for some RISC-V platforms such as the Allwinner D1. This file is missing from the riscv64 packages, but present on others. This affects (at least) 20.04 and 22.04.

itrue@lxc-focal ~/tmp> dpkg -c libgl1-mesa-dri_21.2.6-0ubuntu0.1~20.04.2_arm64.deb | grep _dri.so
-rw-r--r-- root/root 23619952 2022-03-08 16:37 ./usr/lib/aarch64-linux-gnu/dri/armada-drm_dri.so
hrw-r--r-- root/root 0 2022-03-08 16:37 ./usr/lib/aarch64-linux-gnu/dri/d3d12_dri.so link to ./usr/lib/aarch64-linux-gnu/dri/armada-drm_dri.so
hrw-r--r-- root/root 0 2022-03-08 16:37 ./usr/lib/aarch64-linux-gnu/dri/etnaviv_dri.so link to ./usr/lib/aarch64-linux-gnu/dri/armada-drm_dri.so
hrw-r--r-- root/root 0 2022-03-08 16:37 ./usr/lib/aarch64-linux-gnu/dri/exynos_dri.so link to ./usr/lib/aarch64-linux-gnu/dri/armada-drm_dri.so
hrw-r--r-- root/root 0 2022-03-08 16:37 ./usr/lib/aarch64-linux-gnu/dri/hx8357d_dri.so link to ./usr/lib/aarch64-linux-gnu/dri/armada-drm_dri.so
hrw-r--r-- root/root 0 2022-03-08 16:37 ./usr/lib/aarch64-linux-gnu/dri/ili9225_dri.so link to ./usr/lib/aarch64-linux-gnu/dri/armada-drm_dri.so
hrw-r--r-- root/root 0 2022-03-08 16:37 ./usr/lib/aarch64-linux-gnu/dri/ili9341_dri.so link to ./usr/lib/aarch64-linux-gnu/dri/armada-drm_dri.so
hrw-r--r-- root/root 0 2022-03-08 16:37 ./usr/lib/aarch64-linux-gnu/dri/imx-dcss_dri.so link to ./usr/lib/aarch64-linux-gnu/dri/armada-drm_dri.so
hrw-r--r-- root/root 0 2022-03-08 16:37 ./usr/lib/aarch64-linux-gnu/dri/imx-drm_dri.so link to ./usr/lib/aarch64-linux-gnu/dri/armada-drm_dri.so
hrw-r--r-- root/root 0 2022-03-08 16:37 ./usr/lib/aarch64-linux-gnu/dri/ingenic-drm_dri.so link to ./usr/lib/aarch64-linux-gnu/dri/armada-drm_dri.so
hrw-r--r-- root/root 0 2022-03-08 16:37 ./usr/lib/aarch64-linux-gnu/dri/kgsl_dri.so link to ./usr/lib/aarch64-linux-gnu/dri/armada-drm_dri.so
hrw-r--r-- root/root 0 2022-03-08 16:37 ./usr/lib/aarch64-linux-gnu/dri/kms_swrast_dri.so link to ./usr/lib/aarch64-linux-gnu/dri/armada-drm_dri.so
hrw-r--r-- root/root 0 2022-03-08 16:37 ./usr/lib/aarch64-linux-gnu/dri/lima_dri.so link to ./usr/lib/aarch64-linux-gnu/dri/armada-drm_dri.so
hrw-r--r-- root/root 0 2022-03-08 16:37 ./usr/lib/aarch64-linux-gnu/dri/mali-dp_dri.so link to ./usr/lib/aarch64-linux-gnu/dri/armada-drm_dri.so
hrw-r--r-- root/root 0 2022-03-08 16:37 ./usr/lib/aarch64-linux-gnu/dri/mcde_dri.so link to ./usr/lib/aarch64-linux-gnu/dri/armada-drm_dri.so
hrw-r--r-- root/root 0 2022-03-08 16:37 ./usr/lib/aarch64-linux-gnu/dri/mediatek_dri.so link to ./usr/lib/aarch64-linux-gnu/dri/armada-drm_dri.so
hrw-r--r-- root/root 0 2022-03-08 16:37 ./usr/lib/aarch64-linux-gnu/dri/meson_dri.so link to ./usr/lib/aarch64-linux-gnu/dri/armada-drm_dri.so
hrw-r--r-- root/root 0 2022-03-08 16:37 ./usr/lib/aarch64-linux-gnu/dri/mi0283qt_dri.so link to ./usr/lib/aarch64-linux-gnu/dri/armada-drm_dri.so
hrw-r--r-- root/root 0 2022-03-08 16:37 ./usr/lib/aarch64-linux-gnu/dri/msm_dri.so link to ./usr/lib/aarch64-linux-gnu/dri/armada-drm_dri.so
hrw-r--r-- root/root 0 2022-03-08 16:37 ./usr/lib/aarch64-linux-gnu/dri/mxsfb-drm_dri.so link to ./usr/lib/aarch64-linux-gnu/dri/armada-drm_dri.so
hrw-r--r-- root/root 0 2022-03-08 16:37 ./usr/lib/aarch64-linux-gnu/dri/nouveau_dri.so link to ./usr/lib/aarch64-linux-gnu/dri/armada-drm_dri.so
-rw-r--r-- root/root 5796048 2022-03-08 16:37 ./usr/lib/aarch64-linux-gnu/dri/nouveau_vieux_dri.so
hrw-r--r-- root/root 0 2022-03-08 16:37 ./usr/lib/aarch64-linux-gnu/dri/panfrost_dri.so link to ./usr/lib/aarch64-linux-gnu/dri/armada-drm_dri.so
hrw-r--r-- root/root 0 2022-03-08 16:37 ./usr/lib/aarch64-linux-gnu/dri/pl111_dri.so link to ./usr/lib/aarch64-linux-gnu/dri/armada-drm_dri.so
hrw-r--r-- root/root 0 2022-03-08 16:37 ./usr/lib/aarch64-linux-gnu/dri/r200_dri.so link to ./usr/lib/aarch64-linux-gnu/dri/nouveau_vieux_dri.so
hrw-r--r-- root/root 0 2022-03-08 16:37 ./usr/lib/aarch64-linux-gnu/dri/r300_dri.so link to ./usr/lib/aarch64-linux-gnu/dri/armada-drm_dri.so
hrw-r--r-- root/root 0 2022-03-08 16:37 ./usr/lib/aarch64-linux-gnu/dri/r600_dri.so link to ./usr/lib/aarch64-linux-gnu/dri/armada-drm_dri.so
hrw-r--r-- root/root 0 2022-03-08 16:37 ./usr/lib/aarch64-linux-gnu/dri/radeon_dri.so link to ./usr/lib/aarch64-linux-gnu/dri/nouveau_vieux_dri.so
hrw-r--r-- root/root 0 2022-03-08 16:37 ./usr/lib/aarch64-linux-gnu/dri/radeonsi_dri.so link to ./usr/lib/aarch64-linux-gnu/dri/armada-drm_dri.so
hrw-r--r-- root/root 0 2022-03-08 16:37 ./usr/lib/aarch64-linux-gnu/dri/repaper_dri.so link to ./usr/lib/aarch64-linux-gnu/dri/armada-drm_dri.so
hrw-r--r-- root/root 0 2022-03-08 16:37 ./usr/lib/aarch64-linux-gnu/dri/rockchip_dri.so link to ./usr/lib/aarch64-linux-gnu/dri/armada-drm_dri.so
hrw-r--r-- root/root 0 2022-03-08 16:37 ./usr/lib/aarch64-linux-gnu/dri/st7586_dri.so link to ./usr/lib/aarch64-linux-gnu/dri/armada-drm_dri.so
hrw-r--r-- root/root 0 2022-03-08 16:37 ./usr/lib/aarch64-linux-gnu/dri/st7735r_dri.so link to ./usr/lib/aarch64-linux-gnu/dri/armada-drm_dri.so
hrw-r--r-- root/root 0 2022-03-08 16:37 ./usr/lib/aarch64-linux-gnu/dri/stm_dri.so link to ./usr/lib/aarch64-linux-gnu/dri/armada-drm_dri.so
hrw-r--r-- root/root 0 2022-03-08 16:37 ./usr/lib/aarch64-linux-gnu/dri/sun4i-drm_dri.so link to ./usr/lib/aarch64-linux-gnu/dri/armada-drm_dri.so
hrw-r--r-- root/root 0 2022-03-08 16:37 ./usr/lib/aarch64-linux-gnu/dri/swrast_dri.so link to ./usr/lib/aarch64-linux-gnu/dri/armada-drm_dri.so
hrw-r--r-- root/root 0 2022-03-08 16:37 ./usr/lib/aarch64-linux-gnu/dri/tegra_dri.so link to ./usr/lib/aarch64-linux-gnu/dri/armada-drm_dri.so
hrw-r--r-- root/root 0 2022-03-08 16:37 ./usr/lib/aarch64-linux-gnu/dri/v3d_dri.so link to ./usr/lib/aarch64-linux-gnu/dri/armada-drm_dri.so
hrw-r--r-- root/root 0 2022-03-08 16:37 ./usr/lib/aarch64-linux-gnu/dri/vc4_dri.so link to ./usr/lib/aarch64-linux-gnu/dri/armada-drm_dri.so
hrw-r--r-- root/root 0 2022-03-08 16:37 ./usr/lib/aarch64-linux-gnu/dri/virtio_gpu_dri.so link to ./usr/lib/aarch64-linux-gnu/dri/armada-drm_dri.so
hrw-r--r-- root/root 0 2022-03-08 16:37 ./usr/lib/aarch64-linux-gnu/dri/zink_dri.so link to ./usr/lib/aarch64-linux-gnu/dri/armada-drm_dri.so

itrue@lxc-focal ~/tmp> dpkg -c libgl1-mesa-dri_21.2.6-0ubuntu0.1~20.04.2_riscv64.deb | grep _dri.so
-rw-r--r-- root/root 16498024 2022-03-08 16:37 ./usr/lib/riscv64-linux-gnu/dri/kms_swrast_dri.so
hrw-r--r-- root/root 0 2022-03-08 16:37 ./usr/lib/riscv64-linux-gnu/dri/nouveau_dri.so link to ./usr/lib/riscv64-linux-gnu/dri/kms_swrast_dri.so
-rw-r--r-- root/root 4692400 2022-03-08 16:37 ./usr/lib/riscv64-linux-gnu/dri/nouveau_vieux_dri.so
hrw-r--r-- root/root 0 2022-03-08 16:37 ./usr/lib/riscv64-linux-gnu/dri/r200_dri.so link to ./usr/lib/riscv64-linux-gnu/dri/nouveau_vieux_dri.so
hrw-r--r-- root/root 0 2022-03-08 16:37 ./usr/lib/riscv64-linux-gnu/dri/r300_dri.so link to ./usr/lib/riscv64-linux-gnu/dri/kms_swrast_dri.so
hrw-r--r-- root/root 0 2022-03-08 16:37 ./usr/lib/riscv64-linux-gnu/dri/r600_dri.so link to ./usr/lib/riscv64-linux-gnu/dri/kms_swrast_dri.so
hrw-r--r-- root/root 0 2022-03-08 16:37 ./usr/lib/riscv64-linux-gnu/dri/radeon_dri.so link to ./usr/lib/riscv64-linux-gnu/dri/nouveau_vieux_dri.so
hrw-r--r-- root/root 0 2022-03-08 16:37 ./usr/lib/riscv64-linux-gnu/dri/radeonsi_dri.so link to ./usr/lib/riscv64-linux-gnu/dri/kms_swrast_dri.so
hrw-r--r-- root/root 0 2022-03-08 16:37 ./usr/lib/riscv64-linux-gnu/dri/swrast_dri.so link to ./usr/lib/riscv64-linux-gnu/dri/kms_swrast_dri.so
hrw-r--r-- root/root 0 2022-03-08 16:37 ./usr/lib/riscv64-linux-gnu/dri/virtio_gpu_dri.so link to ./usr/lib/riscv64-linux-gnu/dri/kms_swrast_dri.so
hrw-r--r-- root/root 0 2022-03-08 16:37 ./usr/lib/riscv64-linux-gnu/dri/zink_dri.so link to ./usr/lib/riscv64-linux-gnu/dri/kms_swrast_dri.so