Public bug reported:
On Ubuntu 26.10, opening an image from a phone connected over USB (MTP,
File transfer mode) in Image Viewer fails with “Failed to load
file/stream: Operation not supported”. This worked on Ubuntu 26.04.1.
journalctl --user -b shows repeated denials, for example:
apparmor="DENIED" operation="dbus_method_call"
path="/org/gtk/vfs/mounttracker" interface="org.gtk.vfs.MountTracker"
member="ListMountableInfo" label="loupe", plus denials for
org.gtk.vfs.Daemon and org.gtk.Private.RemoteVolumeMonitor. Loupe logs
Failed to obtain information for sorting 'mtp://...': Operation not
supported.
Expected: Loupe can open files from GVfs locations (MTP, SMB and similar), as
it did before.
Environment: Ubuntu 26.10, loupe 50.0-0ubuntu2, gvfs 1.62.0-3
ProblemType: Bug
DistroRelease: Ubuntu 26.10
Package: loupe 50.0-0ubuntu2
ProcVersionSignature: Ubuntu 7.3.0-9.9-generic 7.3.0-rc6
Uname: Linux 7.3.0-9-generic x86_64
ApportVersion: 2.36.0-0ubuntu1
Architecture: amd64
CasperMD5CheckResult: pass
CurrentDesktop: ubuntu:GNOME
Date: Thu Oct 22 16:29:52 2026
InstallationDate: Installed on 2026-10-16 (6 days ago)
InstallationMedia: Ubuntu 26.10 "Stonking Stingray" - Official amd64v3
(20261010)
ProcEnviron:
LANG=en_US.UTF-8
PATH=(custom, no user)
SHELL=/bin/bash
TERM=xterm-256color
XDG_RUNTIME_DIR=<set>
SourcePackage: loupe
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: loupe (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug stonking wayland-session
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https://bugs.launchpad.net/bugs/2171929
Title:
Loupe 50.0 AppArmor profile blocks access to GVfs, so images on MTP
phones can’t be opened
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