[Bug 2122276] Re: Error messages during updates on Xubuntu 25.10

[Guybrush88]

apport information

** Tags added: apport-collected questing

** Description changed:

  I got these error messages while installing the latest updates on
  Xubuntu 25.10:
  
  :~$ update-manager
  WARNING:root:can not import unity GI Namespace Dbusmenu not available
  update.go:85: cannot change mount namespace according to change mount (/var/lib/snapd/hostfs/usr/local/share/doc /usr/local/share/doc none bind,ro 0 0): cannot write to "/var/lib/snapd/hostfs/usr/local/share/doc" because it would affect the host in "/var/lib/snapd"
  update.go:85: cannot change mount namespace according to change mount (/var/lib/snapd/hostfs/usr/share/gimp/2.0/help /usr/share/gimp/2.0/help none bind,ro 0 0): cannot write to "/var/lib/snapd/hostfs/usr/share/gimp/2.0/help" because it would affect the host in "/var/lib/snapd"
  update.go:85: cannot change mount namespace according to change mount (/var/lib/snapd/hostfs/usr/share/sphinx_rtd_theme /usr/share/sphinx_rtd_theme none bind,ro 0 0): cannot write to "/var/lib/snapd/hostfs/usr/share/sphinx_rtd_theme" because it would affect the host in "/var/lib/snapd"
  [Parent 3465, Main Thread] WARNING: Failed to mkdir /home/davide/snap/firefox/6738/.config/ibus/bus: Not a directory: 'glib warning', file /build/firefox/parts/firefox/build/toolkit/xre/nsSigHandlers.cpp:201
  
- (firefox_firefox:3465): IBUS-WARNING **: 13:42:00.854: Failed to mkdir
- /home/davide/snap/firefox/6738/.config/ibus/bus: Not a directory
+ (firefox_firefox:3465): IBUS-WARNING **: 13:42:00.854: Failed to mkdir /home/davide/snap/firefox/6738/.config/ibus/bus: Not a directory
+ --- 
+ ProblemType: Bug
+ ApportVersion: 2.33.1-0ubuntu2
+ Architecture: amd64
+ CasperMD5CheckResult: unknown
+ CurrentDesktop: XFCE
+ DistroRelease: Ubuntu 25.10
+ GsettingsChanges:
+  
+ InstallationDate: Installed on 2025-08-24 (14 days ago)
+ InstallationMedia: Xubuntu 25.04 "Plucky Puffin" - Release amd64 (20250415.3)
+ Package: update-manager 1:25.04.5
+ PackageArchitecture: all
+ ProcEnviron:
+  LANG=it_IT.UTF-8
+  PATH=(custom, no user)
+  SHELL=/bin/bash
+  TERM=xterm-256color
+ ProcVersionSignature: Ubuntu 6.17.0-3.3-generic 6.17.0-rc3
+ Tags: questing
+ Uname: Linux 6.17.0-3-generic x86_64
+ UpgradeStatus: No upgrade log present (probably fresh install)
+ UserGroups: N/A
+ _MarkForUpload: True

** Attachment added: "Aptdaemon.txt"
   https://bugs.launchpad.net/bugs/2122276/+attachment/5907390/+files/Aptdaemon.txt

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https://bugs.launchpad.net/bugs/2122276

Title:
  Error messages during updates on Xubuntu 25.10

Status in update-manager package in Ubuntu:
  New

Bug description:
  I got these error messages while installing the latest updates on
  Xubuntu 25.10:

  :~$ update-manager
  WARNING:root:can not import unity GI Namespace Dbusmenu not available
  update.go:85: cannot change mount namespace according to change mount (/var/lib/snapd/hostfs/usr/local/share/doc /usr/local/share/doc none bind,ro 0 0): cannot write to "/var/lib/snapd/hostfs/usr/local/share/doc" because it would affect the host in "/var/lib/snapd"
  update.go:85: cannot change mount namespace according to change mount (/var/lib/snapd/hostfs/usr/share/gimp/2.0/help /usr/share/gimp/2.0/help none bind,ro 0 0): cannot write to "/var/lib/snapd/hostfs/usr/share/gimp/2.0/help" because it would affect the host in "/var/lib/snapd"
  update.go:85: cannot change mount namespace according to change mount (/var/lib/snapd/hostfs/usr/share/sphinx_rtd_theme /usr/share/sphinx_rtd_theme none bind,ro 0 0): cannot write to "/var/lib/snapd/hostfs/usr/share/sphinx_rtd_theme" because it would affect the host in "/var/lib/snapd"
  [Parent 3465, Main Thread] WARNING: Failed to mkdir /home/davide/snap/firefox/6738/.config/ibus/bus: Not a directory: 'glib warning', file /build/firefox/parts/firefox/build/toolkit/xre/nsSigHandlers.cpp:201

  (firefox_firefox:3465): IBUS-WARNING **: 13:42:00.854: Failed to mkdir /home/davide/snap/firefox/6738/.config/ibus/bus: Not a directory
  --- 
  ProblemType: Bug
  ApportVersion: 2.33.1-0ubuntu2
  Architecture: amd64
  CasperMD5CheckResult: unknown
  CurrentDesktop: XFCE
  DistroRelease: Ubuntu 25.10
  GsettingsChanges:
   
  InstallationDate: Installed on 2025-08-24 (14 days ago)
  InstallationMedia: Xubuntu 25.04 "Plucky Puffin" - Release amd64 (20250415.3)
  Package: update-manager 1:25.04.5
  PackageArchitecture: all
  ProcEnviron:
   LANG=it_IT.UTF-8
   PATH=(custom, no user)
   SHELL=/bin/bash
   TERM=xterm-256color
  ProcVersionSignature: Ubuntu 6.17.0-3.3-generic 6.17.0-rc3
  Tags: questing
  Uname: Linux 6.17.0-3-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: N/A
  _MarkForUpload: True

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