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[Douglas Silva <1947527@xxxxxxxxxxxxxxxxxx>]

I can reproduce this on Debian 11 with the GNOME desktop. Upstream
issue.

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https://bugs.launchpad.net/bugs/1947527

Title:
  Unresponsive window when opening brush or color picker popup

Status in mypaint package in Ubuntu:
  New

Bug description:
  ### Description of the problem

  The whole window becomes unresponsive when you open the brush or color
  picker popup window. The workaround to recover from this condition is
  pressing ESC once.

  The screen recording added below will also show you another problem.
  Most of the time I can't pick another brush. Sometimes it works, but I
  can't consistently reproduce it. This may or may not be related to the
  frozen window situation.

  ### Basic system details

      Operating system: Ubuntu 21.10 impish (amd64)
      Desktop environment: GNOME (wayland)
      MyPaint version:
      Package mypaint from universe repository

  $ mypaint --version
  INFO: mypaint: Installation layout: conventional POSIX-like structure with prefix '/usr'
  MyPaint version 2.0.1+gitexport.478280f

  ### Steps to reproduce

      Start mypaint.
      Click the large brush selector at the bottom right, or the color selector at the bottom left.
      The popup brush selector window appears, but the whole window is now unresponsive.

  ### Backtraces or error messages

  Console output:

  $ mypaint -t > trace-mypaint.txt
  INFO: mypaint: Installation layout: conventional POSIX-like structure with prefix '/usr'
  INFO: gui.main: No locale setting found, using system locale
  INFO: lib.i18n: POSIX: LANG='pt_BR.UTF-8'
  INFO: lib.i18n: POSIX: LANGUAGE='pt_BR:pt:en'
  INFO: lib.i18n: Value of LANGUAGE after cleanup: 'pt_BR:pt:en:C'
  INFO: gui.compatibility: Setting mode to 2.x (standard)
  INFO: gui.compatibility: Setting default layer type to Pigment
  INFO: gui.device: New device 'Wayland Pointer' (GDK_SOURCE_MOUSE, axes:2, class=GdkWaylandDevice, vendor=None, product=None)
  INFO: gui.document: Initialized background from '/usr/share/mypaint/backgrounds/mrmamurk/mamurk_e_1.png'
  WARNING: gui.keyboard: Ignoring keybinding for '<Actions>/BrushModifierActions/BlendModeMenu'
  INFO: gui.brushmanager: Switching default pigment setting to On
  INFO: lib.document: load_ora: '/home/dsilva/.local/share/mypaint/scratchpads/autosave.ora'
  INFO: lib.document: 0.137s load_ora total
  INFO: gui.filehandling: Loaded scratchpad from '/home/dsilva/.local/share/mypaint/scratchpads/autosave.ora'
  INFO: gui.compatibility: Setting default layer type to Pigment

  (mypaint:33094): Gdk-WARNING **: 13:49:40.388: Window 0x3cbd030 is already mapped at the time of grabbing. gdk_seat_grab() should be used to simultanously grab input and show this popup. You may find oddities ahead.
  WARNING: gui.windowing: grab: outside-popup grab already active: regrabbing

  (mypaint:33094): Gdk-WARNING **: 13:49:45.766: Window 0x3cbd030 is
  already mapped at the time of grabbing. gdk_seat_grab() should be used
  to simultanously grab input and show this popup. You may find oddities
  ahead.

  (mypaint:33094): Gdk-WARNING **: 13:49:49.402: Window 0x3cbd030 is
  already mapped at the time of grabbing. gdk_seat_grab() should be used
  to simultanously grab input and show this popup. You may find oddities
  ahead.

  (mypaint:33094): Gdk-WARNING **: 13:49:51.673: Window 0x3cbd030 is already mapped at the time of grabbing. gdk_seat_grab() should be used to simultanously grab input and show this popup. You may find oddities ahead.
  WARNING: gui.windowing: grab: outside-popup grab already active: regrabbing

  (mypaint:33094): Gdk-WARNING **: 13:49:52.668: Window 0x3cbd030 is already mapped at the time of grabbing. gdk_seat_grab() should be used to simultanously grab input and show this popup. You may find oddities ahead.
  WARNING: gui.windowing: grab: outside-popup grab already active: regrabbing

  (mypaint:33094): Gdk-WARNING **: 13:49:55.338: Window 0x3cbd030 is already mapped at the time of grabbing. gdk_seat_grab() should be used to simultanously grab input and show this popup. You may find oddities ahead.
  WARNING: gui.windowing: grab: outside-popup grab already active: regrabbing

  (mypaint:33094): Gdk-WARNING **: 13:49:59.113: Window 0x3cbd030 is already mapped at the time of grabbing. gdk_seat_grab() should be used to simultanously grab input and show this popup. You may find oddities ahead.
  WARNING: gui.windowing: grab: outside-popup grab already active: regrabbing

  (mypaint:33094): Gdk-WARNING **: 13:50:06.928: Window 0x3cbd030 is
  already mapped at the time of grabbing. gdk_seat_grab() should be used
  to simultanously grab input and show this popup. You may find oddities
  ahead.

  (mypaint:33094): Gdk-WARNING **: 13:50:14.014: Window 0x3faf5c0 is already mapped at the time of grabbing. gdk_seat_grab() should be used to simultanously grab input and show this popup. You may find oddities ahead.
  WARNING: gui.windowing: grab: outside-popup grab already active: regrabbing

  (mypaint:33094): Gdk-WARNING **: 13:50:25.138: Window 0x3faf5c0 is already mapped at the time of grabbing. gdk_seat_grab() should be used to simultanously grab input and show this popup. You may find oddities ahead.
  WARNING: gui.windowing: grab: outside-popup grab already active: regrabbing

  (mypaint:33094): Gdk-WARNING **: 13:50:49.872: Window 0x3faf5c0 is
  already mapped at the time of grabbing. gdk_seat_grab() should be used
  to simultanously grab input and show this popup. You may find oddities
  ahead.

  (mypaint:33094): Gdk-WARNING **: 13:50:58.078: Window 0x3faf5c0 is already mapped at the time of grabbing. gdk_seat_grab() should be used to simultanously grab input and show this popup. You may find oddities ahead.
  WARNING: gui.windowing: grab: outside-popup grab already active: regrabbing

  (mypaint:33094): Gdk-WARNING **: 13:51:02.054: Window 0x3faf5c0 is
  already mapped at the time of grabbing. gdk_seat_grab() should be used
  to simultanously grab input and show this popup. You may find oddities
  ahead.

  (mypaint:33094): Gdk-WARNING **: 13:51:05.861: Window 0x3faf5c0 is already mapped at the time of grabbing. gdk_seat_grab() should be used to simultanously grab input and show this popup. You may find oddities ahead.
  WARNING: gui.windowing: grab: outside-popup grab already active: regrabbing

  (mypaint:33094): Gdk-WARNING **: 13:51:09.358: Window 0x3faf5c0 is
  already mapped at the time of grabbing. gdk_seat_grab() should be used
  to simultanously grab input and show this popup. You may find oddities
  ahead.

  (mypaint:33094): Gdk-WARNING **: 13:51:11.541: Tried to unmap the parent of a popup
  WARNING: gui.windowing: grab: outside-popup grab already active: regrabbing

  (mypaint:33094): Gdk-WARNING **: 13:51:13.849: Window 0x3faf5c0 is
  already mapped at the time of grabbing. gdk_seat_grab() should be used
  to simultanously grab input and show this popup. You may find oddities
  ahead.

  (mypaint:33094): Gdk-WARNING **: 13:51:21.487: Window 0x3faf5c0 is already mapped at the time of grabbing. gdk_seat_grab() should be used to simultanously grab input and show this popup. You may find oddities ahead.
  WARNING: gui.windowing: grab: outside-popup grab already active: regrabbing

  (mypaint:33094): Gdk-WARNING **: 13:51:30.370: Window 0x3cbd030 is
  already mapped at the time of grabbing. gdk_seat_grab() should be used
  to simultanously grab input and show this popup. You may find oddities
  ahead.

  (mypaint:33094): Gdk-WARNING **: 13:51:34.616: Window 0x3cbd030 is
  already mapped at the time of grabbing. gdk_seat_grab() should be used
  to simultanously grab input and show this popup. You may find oddities
  ahead.

  (mypaint:33094): Gdk-WARNING **: 13:51:38.502: Window 0x3cbd030 is
  already mapped at the time of grabbing. gdk_seat_grab() should be used
  to simultanously grab input and show this popup. You may find oddities
  ahead.

  (mypaint:33094): Gdk-WARNING **: 13:51:42.180: Window 0x3cbd030 is
  already mapped at the time of grabbing. gdk_seat_grab() should be used
  to simultanously grab input and show this popup. You may find oddities
  ahead.

  (mypaint:33094): Gdk-WARNING **: 13:51:48.745: Window 0x3cbd030 is
  already mapped at the time of grabbing. gdk_seat_grab() should be used
  to simultanously grab input and show this popup. You may find oddities
  ahead.

  (mypaint:33094): Gdk-WARNING **: 13:51:53.642: Window 0x3cbd030 is already mapped at the time of grabbing. gdk_seat_grab() should be used to simultanously grab input and show this popup. You may find oddities ahead.
  INFO: gui.device: New device 'Wayland Finger Scrolling' (GDK_SOURCE_TOUCHPAD, axes:2, class=GdkWaylandDevice, vendor=None, product=None)
  WARNING: gui.windowing: grab: outside-popup grab already active: regrabbing

  (mypaint:33094): Gdk-WARNING **: 13:52:08.788: Window 0x3cbd030 is already mapped at the time of grabbing. gdk_seat_grab() should be used to simultanously grab input and show this popup. You may find oddities ahead.
  WARNING: gui.windowing: grab: outside-popup grab already active: regrabbing

  (mypaint:33094): Gdk-WARNING **: 13:52:12.202: Window 0x3cbd030 is
  already mapped at the time of grabbing. gdk_seat_grab() should be used
  to simultanously grab input and show this popup. You may find oddities
  ahead.

  (mypaint:33094): Gdk-WARNING **: 13:52:21.026: Window 0x3cbd030 is
  already mapped at the time of grabbing. gdk_seat_grab() should be used
  to simultanously grab input and show this popup. You may find oddities
  ahead.

  (mypaint:33094): Gdk-WARNING **: 13:52:24.362: Window 0x3cbd030 is already mapped at the time of grabbing. gdk_seat_grab() should be used to simultanously grab input and show this popup. You may find oddities ahead.
  WARNING: gui.windowing: grab: outside-popup grab already active: regrabbing

  (mypaint:33094): Gdk-WARNING **: 13:52:25.189: Window 0x3cbd030 is already mapped at the time of grabbing. gdk_seat_grab() should be used to simultanously grab input and show this popup. You may find oddities ahead.
  WARNING: gui.windowing: grab: outside-popup grab already active: regrabbing

  (mypaint:33094): Gdk-WARNING **: 13:52:31.815: Window 0x3cbd030 is already mapped at the time of grabbing. gdk_seat_grab() should be used to simultanously grab input and show this popup. You may find oddities ahead.
  WARNING: gui.windowing: grab: outside-popup grab already active: regrabbing

  (mypaint:33094): Gdk-WARNING **: 13:52:33.633: Window 0x3cbd030 is
  already mapped at the time of grabbing. gdk_seat_grab() should be used
  to simultanously grab input and show this popup. You may find oddities
  ahead.

  (mypaint:33094): Gdk-CRITICAL **: 13:52:43.418:
  gdk_device_get_vendor_id: assertion 'gdk_device_get_device_type
  (device) != GDK_DEVICE_TYPE_MASTER' failed

  (mypaint:33094): Gdk-CRITICAL **: 13:52:43.418: gdk_device_get_product_id: assertion 'gdk_device_get_device_type (device) != GDK_DEVICE_TYPE_MASTER' failed
  INFO: gui.device: New device 'Master pointer for Wacom One by Wacom S Pen' (GDK_SOURCE_MOUSE, axes:2, class=GdkWaylandDevice, vendor=None, product=None)
  INFO: gui.device: New device 'Wacom One by Wacom S Pen' (GDK_SOURCE_PEN, axes:2, class=GdkWaylandDevice, vendor='056a', product='037a')
  INFO: gui.device: New device 'Wacom One by Wacom S Pen (Eraser)' (GDK_SOURCE_ERASER, axes:2, class=GdkWaylandDevice, vendor='056a', product='037a')
  INFO: gui.compatibility: Setting mode to 2.x (standard)
  INFO: gui.document: Initialized background from '/usr/share/mypaint/backgrounds/mrmamurk/mamurk_e_1.png'

  (mypaint:33094): Gdk-WARNING **: 13:53:44.148: Window 0x3cbd030 is already mapped at the time of grabbing. gdk_seat_grab() should be used to simultanously grab input and show this popup. You may find oddities ahead.
  WARNING: gui.windowing: grab: outside-popup grab already active: regrabbing

  (mypaint:33094): Gdk-WARNING **: 13:53:44.446: Window 0x3cbd030 is already mapped at the time of grabbing. gdk_seat_grab() should be used to simultanously grab input and show this popup. You may find oddities ahead.
  WARNING: gui.windowing: grab: outside-popup grab already active: regrabbing

  (mypaint:33094): Gdk-WARNING **: 13:53:45.497: Window 0x3cbd030 is already mapped at the time of grabbing. gdk_seat_grab() should be used to simultanously grab input and show this popup. You may find oddities ahead.
  WARNING: gui.windowing: grab: outside-popup grab already active: regrabbing

  (mypaint:33094): Gdk-WARNING **: 13:53:46.147: Window 0x3cbd030 is
  already mapped at the time of grabbing. gdk_seat_grab() should be used
  to simultanously grab input and show this popup. You may find oddities
  ahead.

  Trace (warning, large file) and screen recording:
  https://1drv.ms/u/s!ApqEOOKoIKfodzkdvzpuaCLqwEQ?e=fdxSrq

  It's a little difficult to show you what's happening without a
  keypress indicator, but it's mostly me clicking around and pressing
  ESC to unfreeze the application window. You can tell it's frozen by
  paying attention to the cursor.

  ### Upstream ticket
  https://github.com/mypaint/mypaint/issues/1161

  ProblemType: Bug
  DistroRelease: Ubuntu 21.10
  Package: mypaint 2.0.1-2
  ProcVersionSignature: Ubuntu 5.13.0-19.19-generic 5.13.14
  Uname: Linux 5.13.0-19-generic x86_64
  ApportVersion: 2.20.11-0ubuntu70
  Architecture: amd64
  CasperMD5CheckResult: pass
  CurrentDesktop: ubuntu:GNOME
  Date: Sun Oct 17 20:07:00 2021
  InstallationDate: Installed on 2021-10-10 (7 days ago)
  InstallationMedia: Ubuntu 21.04 "Hirsute Hippo" - Release amd64 (20210420)
  SourcePackage: mypaint
  UpgradeStatus: Upgraded to impish on 2021-10-15 (2 days ago)

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