[Bug 1575000] Re: font glyph corruption on dialog box

[Walter Garcia-Fontes]

The problem is fixed in the LibreOffice version that ships with Ubuntu
16.10, Libreoffice 5.2.1.2

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Title:
   font glyph corruption on dialog box

Status in X.Org X server:
  Unknown
Status in xorg-server package in Ubuntu:
  Fix Released
Status in xorg-server source package in Xenial:
  Confirmed

Bug description:
  [Impact] 
   * This makes it impossible to read some text (usually yes/no questions) in Libreoffice.  This makes it more difficult to use LibreOffice on AMD graphics.

  [Test Case]

  1. Open for instance LibreOffice Writer
  2. Copy some text to the clipboard
  3. Open the Paste Special dialog with CTRL-SHIFT-V

  [Regression Potential]

   This modifies glamor to be used less.  There might be a potential for
  a performance hit in other cases?

  [Original Report]
  I get a font glyph corruption in various dialog boxes in libreoffice. This happens using the following graphic configuration:
    *-display
         description: VGA compatible controller
         product: Bonaire [FirePro W5100]
         vendor: Advanced Micro Devices, Inc. [AMD/ATI]
         physical id: 0
         bus info: pci at 0000:03:00.0
         version: 00
         width: 64 bits
         clock: 33MHz
         capabilities: vga_controller bus_master cap_list rom
         configuration: driver=radeon latency=0

  I don't see this in other graphics (NVIDIA, INTEL).

  Steps to reproduce:

  1. Open for instance LibreOffice Writer
  2. Copy some text to the clipboard
  3. Open the Paste Special dialog with CTRL-SHIFT-V

  I attach a screenshot of the corrupted font.

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: xserver-xorg-video-radeon 1:7.7.0-1
  ProcVersionSignature: Ubuntu 4.4.0-21.37-generic 4.4.6
  Uname: Linux 4.4.0-21-generic x86_64
  .tmp.unity_support_test.0:

  ApportVersion: 2.20.1-0ubuntu2
  Architecture: amd64
  CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins'
  CompositorRunning: compiz
  CompositorUnredirectDriverBlacklist: '(nouveau|Intel).*Mesa 8.0'
  CompositorUnredirectFSW: true
  CurrentDesktop: Unity
  Date: Tue Apr 26 09:23:41 2016
  DistUpgraded: 2016-03-11 12:35:09,412 DEBUG enabling apt cron job
  DistroCodename: xenial
  DistroVariant: ubuntu
  DkmsStatus:
   virtualbox, 5.0.18, 4.4.0-18-generic, x86_64: installed
   virtualbox, 5.0.18, 4.4.0-21-generic, x86_64: installed
  ExtraDebuggingInterest: Yes
  GraphicsCard:
   Advanced Micro Devices, Inc. [AMD/ATI] Bonaire [FirePro W5100] [1002:6649] (prog-if 00 [VGA controller])
     Subsystem: Dell Bonaire [FirePro W5100] [1028:230c]
  InstallationDate: Installed on 2015-10-17 (191 days ago)
  InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Release amd64 (20150422)
  MachineType: Dell Inc. Precision Tower 7810
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-21-generic root=UUID=63c3c29d-24d9-4ecb-8511-3f2291792bc5 ro quiet splash vt.handoff=7
  SourcePackage: xserver-xorg-video-ati
  UpgradeStatus: Upgraded to xenial on 2016-03-11 (45 days ago)
  dmi.bios.date: 04/14/2015
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A07
  dmi.board.name: 0GWHMW
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A00
  dmi.chassis.type: 7
  dmi.chassis.vendor: Dell Inc.
  dmi.modalias: dmi:bvnDellInc.:bvrA07:bd04/14/2015:svnDellInc.:pnPrecisionTower7810:pvr01:rvnDellInc.:rn0GWHMW:rvrA00:cvnDellInc.:ct7:cvr:
  dmi.product.name: Precision Tower 7810
  dmi.product.version: 01
  dmi.sys.vendor: Dell Inc.
  version.compiz: compiz 1:0.9.12.2+16.04.20160415-0ubuntu1
  version.ia32-libs: ia32-libs N/A
  version.libdrm2: libdrm2 2.4.67-1
  version.libgl1-mesa-dri: libgl1-mesa-dri 11.2.0-1ubuntu2
  version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
  version.libgl1-mesa-glx: libgl1-mesa-glx 11.2.0-1ubuntu2
  version.xserver-xorg-core: xserver-xorg-core 2:1.18.3-1ubuntu2
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.10.1-1ubuntu2
  version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.7.0-1
  version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.917+git20160325-1ubuntu1
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.12-1build2
  xserver.bootTime: Mon Apr 25 08:20:34 2016
  xserver.configfile: default
  xserver.errors:

  xserver.logfile: /var/log/Xorg.0.log
  xserver.version: 2:1.18.3-1ubuntu2
  xserver.video_driver: radeon

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