[Bug 1871644] Re: Top corners of Firefox windows have weird black protrusions from the rounded edges

Daniel Llewellyn daniel at bowlhat.net
Wed Apr 8 13:59:22 UTC 2020


I'm also seeing the pattern when logged-into X11 (note there is a
difference in the image because in  Wayland I have the monitor set to
200% scaling while in X11 it is set to 100%, so the images have
different numbers of pixies for the bug)

** Attachment added: "top-right corner of a Firefox window on X11"
   https://bugs.launchpad.net/ubuntu/+source/firefox/+bug/1871644/+attachment/5349685/+files/ffbug-x11.png

** Description changed:

  Image to illustrate the problem is attached. All firefox windows on
  Wayland have a weird black protrusion from the top-left and top-right
  corners where yaru has curved the window corners, but something from
  Firefox appears to not be being clipped by the theme. I need to double
  check whether this appears on X11, but for now consider it Wayland only
  until I report back, although oSoMoN has checked their system and they
  don't see the behaviour (on X11).
+ 
+ EDIT: I have now checked X11 on my system and I see the same behaviour
+ as described above, so this is affecting BOTH Wayland AND X11 for me.
  
  ProblemType: Bug
  DistroRelease: Ubuntu 20.04
  Package: firefox 75.0+build3-0ubuntu1
  ProcVersionSignature: Ubuntu 5.4.0-21.25-generic 5.4.27
  Uname: Linux 5.4.0-21-generic x86_64
  NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
  ApportVersion: 2.20.11-0ubuntu25
  Architecture: amd64
  BuildID: 20200403170909
  CurrentDesktop: ubuntu:GNOME
  Date: Wed Apr  8 14:48:56 2020
  InstallationDate: Installed on 2020-03-03 (35 days ago)
  InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Alpha amd64 (20200303)
  SourcePackage: firefox
  UpgradeStatus: No upgrade log present (probably fresh install)

** Description changed:

  Image to illustrate the problem is attached. All firefox windows on
- Wayland have a weird black protrusion from the top-left and top-right
- corners where yaru has curved the window corners, but something from
- Firefox appears to not be being clipped by the theme. I need to double
- check whether this appears on X11, but for now consider it Wayland only
- until I report back, although oSoMoN has checked their system and they
- don't see the behaviour (on X11).
+ Wayland (EDIT: and X11) have a weird black protrusion from the top-left
+ and top-right corners where yaru has curved the window corners, but
+ something from Firefox appears to not be being clipped by the theme. I
+ need to double check whether this appears on X11, but for now consider
+ it Wayland only until I report back, although oSoMoN has checked their
+ system and they don't see the behaviour (on X11).
  
  EDIT: I have now checked X11 on my system and I see the same behaviour
  as described above, so this is affecting BOTH Wayland AND X11 for me.
  
  ProblemType: Bug
  DistroRelease: Ubuntu 20.04
  Package: firefox 75.0+build3-0ubuntu1
  ProcVersionSignature: Ubuntu 5.4.0-21.25-generic 5.4.27
  Uname: Linux 5.4.0-21-generic x86_64
  NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
  ApportVersion: 2.20.11-0ubuntu25
  Architecture: amd64
  BuildID: 20200403170909
  CurrentDesktop: ubuntu:GNOME
  Date: Wed Apr  8 14:48:56 2020
  InstallationDate: Installed on 2020-03-03 (35 days ago)
  InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Alpha amd64 (20200303)
  SourcePackage: firefox
  UpgradeStatus: No upgrade log present (probably fresh install)

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https://bugs.launchpad.net/bugs/1871644

Title:
  Top corners of Firefox windows have weird black protrusions from the
  rounded edges

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