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[Ural Tunaboyu <2098084@xxxxxxxxxxxxxxxxxx>]

Ubuntu 24.10 (Oracular Oriole) has reached end of life, so this bug will
not be fixed for that specific release.

** Changed in: mesa (Ubuntu Oracular)
       Status: New => Won't Fix

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https://bugs.launchpad.net/bugs/2098084

Title:
  Add a more strict dependency between DRI drivers and libgbm

Status in mesa package in Ubuntu:
  Fix Released
Status in mesa source package in Noble:
  New
Status in mesa source package in Oracular:
  Won't Fix

Bug description:
  [Impact]

  In some cases (apt-get vs apt) upgrade to a newer mesa can leave
  libgbm1 behind, which then could result in issues like the login
  screen showing a crash screen instead.

  libgl1-mesa-dri and libgbm1 should always have matching versions
  installed, just like libegl-mesa0 and libgbm1 currently have.

  [Test case]

  On a clean chroot;

  - disable updates in /etc/apt/sources.list

  - install 'libegl-mesa0 libglx-mesa0'

  - then enable updates again, run 'apt-get upgrade', and see how it
  would upgrade libgl1-mesa-dri without upgrading libgbm1 too:

  Reading package lists... Done
  Building dependency tree... Done
  Reading state information... Done
  Calculating upgrade... Done
  The following packages have been kept back:
    libegl-mesa0 libgbm1 libglapi-mesa libglx-mesa0
  The following packages will be upgraded:
    libbsd0 libdrm-amdgpu1 libdrm-common libdrm-intel1 libdrm-nouveau2 libdrm-radeon1 libdrm2 libelf1t64
    libgl1-mesa-dri libicu74
  10 upgraded, 0 newly installed, 0 to remove and 4 not upgraded.
  Need to get 11.2 MB of archives.
  After this operation, 33.6 MB disk space will be freed.
  Do you want to continue? [Y/n] n

  - enable proposed, run the same thing, notice how libgl1-mesa-dri is
  kept back

  Reading package lists... Done
  Building dependency tree... Done
  Reading state information... Done
  Calculating upgrade... Done
  The following packages have been kept back:
    libegl-mesa0 libgbm1 libgl1-mesa-dri libglapi-mesa libglx-mesa0
  The following packages will be upgraded:
    libbsd0 libdrm-amdgpu1 libdrm-common libdrm-intel1 libdrm-nouveau2 libdrm-radeon1 libdrm2 libicu74
  8 upgraded, 0 newly installed, 0 to remove and 5 not upgraded.
  Need to get 11.1 MB of archives.
  After this operation, 2048 B of additional disk space will be used.
  Do you want to continue? [Y/n]

  [Where things could go wrong]

  This just adds a necessary safe-guard for upgrades, so hard to think
  where it might cause issues.

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