[Bug 1995137] Re: Add "sun4i-drm_dri.so" to libg1-mesa-dri and fix compilation on riscv64

[Łukasz Zemczak]

Hello Isaac, or anyone else affected,

Accepted mesa into kinetic-proposed. The package will build now and be
available at https://launchpad.net/ubuntu/+source/mesa/22.2.5-0ubuntu0.1
in a few hours, and then in the -proposed repository.

Please help us by testing this new package.  See
https://wiki.ubuntu.com/Testing/EnableProposed for documentation on how
to enable and use -proposed.  Your feedback will aid us getting this
update out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug,
mentioning the version of the package you tested, what testing has been
performed on the package and change the tag from verification-needed-
kinetic to verification-done-kinetic. If it does not fix the bug for
you, please add a comment stating that, and change the tag to
verification-failed-kinetic. In either case, without details of your
testing we will not be able to proceed.

Further information regarding the verification process can be found at
https://wiki.ubuntu.com/QATeam/PerformingSRUVerification .  Thank you in
advance for helping!

N.B. The updated package will be released to -updates after the bug(s)
fixed by this package have been verified and the package has been in
-proposed for a minimum of 7 days.

** Changed in: mesa (Ubuntu Kinetic)
       Status: New => Fix Committed

** Tags added: verification-needed verification-needed-kinetic

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Title:
  Add "sun4i-drm_dri.so" to libg1-mesa-dri and fix compilation on
  riscv64

Status in mesa package in Ubuntu:
  Fix Released
Status in mesa source package in Jammy:
  New
Status in mesa source package in Kinetic:
  Fix Committed

Bug description:
  [Impact]

  lima driver is missing from riscv64, but in order to enable it we need
  to disable anything that uses JIT on riscv64: swrast for vulkan, and
  draw-use-llvm for gallium.

  JIT for riscv64 is buggy and should be fixed in a future llvm release.

  [Test case]

  Check that sun4i-drm_dri.so is in libgl1-mesa-dri deb for riscv64, and
  that it works.

  [Where things could go wrong]

  This is a new driver for the architecture, so there's little chance of
  breakage.

  --

  "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 at lxc-focal ~/tmp> dpkg -c libgl1-mesa-dri_21.2.6-0ubuntu0.1~20.04.2_arm64.deb | grep _dri.so
  *snip*
  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
  *snip*

  itrue at 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

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