[Bug 1940707] Re: Maximized window becomes a mess at next start-up after manually choosing to restore previous session

[Akbarkhon Variskhanov]

** Description changed:

- Checked on both current and new user.
+ Checked on both current and new user. This behavior is observed only if
+ "Restore previous session" is not enabled to occur automatically at
+ startup.
  
  1) Ubuntu 20.04.2 LTS
  2) 91.0+build2-0ubuntu0.20.04.1
  3) "Restore previous session" should not change window settings and appearance
  4) "Restore previous session" drastically changes window settings and appearance in a very unpleasant way
  
  Steps to reproduce:
  1) Don't have "Restore previous session" enabled in Settings > General > Startup
  2) Browse some sites
  3) Close the window and confirm your desire to close it
  4) Reopen Firefox
  5) Go to History and select "Restore previous session"
  6) The window will break apart as a result
  
  Screenshot below.
  
  ProblemType: Bug
  DistroRelease: Ubuntu 20.04
  Package: firefox 91.0+build2-0ubuntu0.20.04.1
  ProcVersionSignature: Ubuntu 5.11.0-27.29~20.04.1-generic 5.11.22
  Uname: Linux 5.11.0-27-generic x86_64
  AddonCompatCheckDisabled: False
  ApportVersion: 2.20.11-0ubuntu27.18
  Architecture: amd64
  AudioDevicesInUse:
-  USER        PID ACCESS COMMAND
-  /dev/snd/controlC0:  kbar       1005 F.... pulseaudio
-  /dev/snd/controlC1:  kbar       1005 F.... pulseaudio
+  USER        PID ACCESS COMMAND
+  /dev/snd/controlC0:  kbar       1005 F.... pulseaudio
+  /dev/snd/controlC1:  kbar       1005 F.... pulseaudio
  BuildID: 20210804193234
  CasperMD5CheckResult: skip
  Channel: Unavailable
  CurrentDesktop: XFCE
  Date: Fri Aug 20 23:27:25 2021
  DefaultProfileExtensions: extensions.sqlite corrupt or missing
  DefaultProfileIncompatibleExtensions: Unavailable (corrupt or non-existant compatibility.ini or extensions.sqlite)
  DefaultProfileLocales: extensions.sqlite corrupt or missing
  DefaultProfilePrefErrors: Unexpected character ',' before close parenthesis @ /usr/lib/firefox/omni.ja:greprefs.js:352
  DefaultProfileThemes: extensions.sqlite corrupt or missing
  ForcedLayersAccel: False
  InstallationDate: Installed on 2021-05-17 (95 days ago)
  InstallationMedia: Xubuntu 20.04.2.0 LTS "Focal Fossa" - Release amd64 (20210209.1)
  IpRoute:
-  default via 192.168.1.1 dev wlo1 proto dhcp metric 600 
-  169.254.0.0/16 dev wlo1 scope link metric 1000 
-  192.168.1.0/24 dev wlo1 proto kernel scope link src 192.168.1.102 metric 600
+  default via 192.168.1.1 dev wlo1 proto dhcp metric 600
+  169.254.0.0/16 dev wlo1 scope link metric 1000
+  192.168.1.0/24 dev wlo1 proto kernel scope link src 192.168.1.102 metric 600
  Profile0Extensions: extensions.sqlite corrupt or missing
  Profile0IncompatibleExtensions: Unavailable (corrupt or non-existant compatibility.ini or extensions.sqlite)
  Profile0Locales: extensions.sqlite corrupt or missing
  Profile0PrefErrors: Unexpected character ',' before close parenthesis @ /usr/lib/firefox/omni.ja:greprefs.js:352
  Profile0PrefSources: prefs.js
  Profile0Themes: extensions.sqlite corrupt or missing
  Profiles:
-  Profile1 (Default) - LastVersion=None/None (Out of date)
-  Profile0 - LastVersion=91.0/20210804193234
+  Profile1 (Default) - LastVersion=None/None (Out of date)
+  Profile0 - LastVersion=91.0/20210804193234
  RunningIncompatibleAddons: False
  SourcePackage: firefox
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 12/18/2014
  dmi.bios.release: 15.54
  dmi.bios.vendor: Insyde
  dmi.bios.version: F.36
  dmi.board.asset.tag: Type2 - Board Asset Tag
  dmi.board.name: 220D
  dmi.board.vendor: Hewlett-Packard
  dmi.board.version: 86.49
  dmi.chassis.asset.tag: Chassis Asset Tag
  dmi.chassis.type: 10
  dmi.chassis.vendor: Hewlett-Packard
  dmi.chassis.version: Chassis Version
  dmi.ec.firmware.release: 86.49
  dmi.modalias: dmi:bvnInsyde:bvrF.36:bd12/18/2014:br15.54:efr86.49:svnHewlett-Packard:pnHP14NotebookPC:pvr0975120000405F00000610180:rvnHewlett-Packard:rn220D:rvr86.49:cvnHewlett-Packard:ct10:cvrChassisVersion:
  dmi.product.family: 103C_5335KV G=N L=CON B=HP S=PAV
  dmi.product.name: HP 14 Notebook PC
  dmi.product.sku: L8N69PA#UUF
  dmi.product.version: 0975120000405F00000610180
  dmi.sys.vendor: Hewlett-Packard

** Summary changed:

- Maximized window becomes a mess at next start-up after manually choosing to restore previous session
+ Maximized window becomes a mess at next startup after manually choosing to restore previous session

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https://bugs.launchpad.net/bugs/1940707

Title:
  Maximized window becomes a mess at next startup after manually
  choosing to restore previous session

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