[Bug 1829872] Re: No more desktop effects since libdrm upgrade in Bionic

[Thomas Nemeth]

So...

You made me question what could have happened if the libraries were not
the cause of KDE's behavior change. You already told me you thought KDE
was involved and indeed it was. The upgrade caused a deactivation of
composition enabling at startup, with a big warning message saying that
it has the reputation of beeing instable.

You were right: KDE's the culprit here. Anyway, I'm truly grateful for
you help, and sorry to have opened this bug report in the first place.

Thank you for all. I think the br can be closed now...

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Title:
  No more desktop effects since libdrm upgrade in Bionic

Status in libdrm package in Ubuntu:
  Incomplete

Bug description:
  Hello.

  I upgraded my system on 2019-05-09 and since then desktop effects do not work anymore. It installed
  a new libdrm stack :

  $ grep -A 3 "2019-05-09 *08:53:53" /var/log/apt/history.log | tail -n 1 | awk -F "," '{for(i=1;i<=NF;i++){print $i}}' | grep -A1 libdrm
   libdrm-nouveau2:amd64 (2.4.95-1~18.04.1
   2.4.97-1ubuntu1~18.04.1)
  --
   libdrm-amdgpu1:amd64 (2.4.95-1~18.04.1
   2.4.97-1ubuntu1~18.04.1)
  --
   libdrm2:amd64 (2.4.95-1~18.04.1
   2.4.97-1ubuntu1~18.04.1)
  --
   libdrm-intel1:amd64 (2.4.95-1~18.04.1
   2.4.97-1ubuntu1~18.04.1)
  --
   libdrm-radeon1:amd64 (2.4.95-1~18.04.1
   2.4.97-1ubuntu1~18.04.1)
  --
   libdrm-common:amd64 (2.4.95-1~18.04.1
   2.4.97-1ubuntu1~18.04.1)

  I have an ATI Radeon that was working fine with KDE until then. I waited to see if someone had realized it before creating a bug report... It really is annoying : no more transparency, no
  more auto-hide of windows : my workflow is strongly impacted.

  System information :

  $ lsb_release -rd
  Description:    Ubuntu 18.04.2 LTS
  Release:        18.04

  $ apt-cache policy libdrm2
  libdrm2:
    Installé : 2.4.97-1ubuntu1~18.04.1
    Candidat : 2.4.97-1ubuntu1~18.04.1
   Table de version :
   *** 2.4.97-1ubuntu1~18.04.1 500
          500 http://fr.archive.ubuntu.com/ubuntu bionic-proposed/main amd64 Packages
          100 /var/lib/dpkg/status
       2.4.95-1~18.04.1 500
          500 http://fr.archive.ubuntu.com/ubuntu bionic-updates/main amd64 Packages
       2.4.91-2 500
          500 http://fr.archive.ubuntu.com/ubuntu bionic/main amd64 Packages
  --- 
  ProblemType: Bug
  ApportVersion: 2.20.9-0ubuntu7.6
  Architecture: amd64
  BootLog: Error: [Errno 13] Permission non accordée: '/var/log/boot.log'
  CompositorRunning: None
  CurrentDesktop: KDE
  DistUpgraded: Fresh install
  DistroCodename: bionic
  DistroRelease: Ubuntu 18.04
  DistroVariant: ubuntu
  GraphicsCard:
   Intel Corporation Skylake GT2 [HD Graphics 520] [8086:1916] (rev 07) (prog-if 00 [VGA controller])
     Subsystem: Dell Skylake GT2 [HD Graphics 520] [1028:06b2]
     Subsystem: Dell Sun XT [Radeon HD 8670A/8670M/8690M / R5 M330 / M430 / R7 M520] [1028:06b2]
  InstallationDate: Installed on 2018-05-05 (397 days ago)
  InstallationMedia: Kubuntu 18.04 LTS "Bionic Beaver" - Release amd64 (20180426)
  MachineType: Dell Inc. Inspiron 5759
  Package: libdrm (not installed)
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-51-generic root=UUID=2c061bef-bc89-4985-8670-ada8d7af157a ro quiet splash vt.handoff=1
  ProcVersionSignature: Ubuntu 4.15.0-51.55-generic 4.15.18
  Tags:  bionic ubuntu
  Uname: Linux 4.15.0-51-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dialout dip lpadmin plugdev sambashare sudo vboxusers wireshark
  _MarkForUpload: True
  dmi.bios.date: 12/21/2015
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: 1.1.5
  dmi.board.name: 05NVNV
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A00
  dmi.chassis.type: 9
  dmi.chassis.vendor: Dell Inc.
  dmi.modalias: dmi:bvnDellInc.:bvr1.1.5:bd12/21/2015:svnDellInc.:pnInspiron5759:pvr:rvnDellInc.:rn05NVNV:rvrA00:cvnDellInc.:ct9:cvr:
  dmi.product.name: Inspiron 5759
  dmi.sys.vendor: Dell Inc.
  version.compiz: compiz N/A
  version.libdrm2: libdrm2 2.4.97-1ubuntu1~18.04.1
  version.libgl1-mesa-dri: libgl1-mesa-dri 19.0.2-1ubuntu1.1~18.04.1
  version.libgl1-mesa-glx: libgl1-mesa-glx 19.0.2-1ubuntu1.1~18.04.1
  version.xserver-xorg-core: xserver-xorg-core 2:1.19.6-1ubuntu4.3
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
  version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:18.0.1-1
  version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.917+git20171229-1
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.15-2

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