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#1 2025-09-28 21:12:24

daniel_shub
Member
Registered: 2012-06-21
Posts: 95

virt-manager crashes

I am having trouble running virt-manager on a remote machine over ssh with X11 forwarding (xeyes works). It crashes with the following error

$ sudo virt-manager 

(virt-manager:6362): dconf-WARNING **: 16:56:06.581: failed to commit changes to dconf: Error spawning command line “dbus-launch --autolaunch=9407fbec22af44408fcdf7aece4f56cf --binary-syntax --close-stderr”: Child process exited with code 1

(virt-manager:6362): dconf-WARNING **: 16:56:06.581: failed to commit changes to dconf: Error spawning command line “dbus-launch --autolaunch=9407fbec22af44408fcdf7aece4f56cf --binary-syntax --close-stderr”: Child process exited with code 1

(virt-manager:6362): Gtk-WARNING **: 16:56:06.630: Could not load a pixbuf from icon theme.
This may indicate that pixbuf loaders or the mime database could not be found.
**
Gtk:ERROR:../gtk/gtk/gtkiconhelper.c:495:ensure_surface_for_gicon: assertion failed (error == NULL): Failed to load /usr/share/icons/Adwaita/scalable/status/image-missing.svg: Loader process exited early with status '1'Command:
 "bwrap" "--unshare-all" "--die-with-parent" "--chdir" "/" "--ro-bind" "/usr" "/usr" "--dev" "/dev" "--ro-bind-try" "/etc/ld.so.cache" "/etc/ld.so.cache" "--ro-bind-try" "/nix/store" "/nix/store" "--tmpfs" "/tmp-home" "--tmpfs" "/tmp-run" "--clearenv" "--setenv" "HOME" "/tmp-home" "--setenv" "XDG_RUNTIME_DIR" "/tmp-run" "--symlink" "/usr/lib" "/lib" "--symlink" "/usr/lib" "/lib64" "--ro-bind-try" "/etc/fonts/conf.d" "/etc/fonts/conf.d" "--ro-bind-try" "/etc/fonts/fonts.conf" "/etc/fonts/fonts.conf" "--ro-bind-try" "/var/cache/fontconfig" "/var/cache/fontconfig" "--bind-try" "/home/dshub/.cache/glycin/usr/lib/glycin-loaders/2+/glycin-svg" "/home/dshub/.cache/glycin/usr/lib/glycin-loaders/2+/glycin-svg" "--setenv" "XDG_CACHE_HOME" "/home/dshub/.cache/glycin/usr/lib/glycin-loaders/2+/glycin-svg" "--seccomp" "16" "/usr/lib/glycin-loaders/2+/glycin-svg" "--dbus-fd" "15" (gdk-pixbuf-error-quark, 0)
Bail out! Gtk:ERROR:../gtk/gtk/gtkiconhelper.c:495:ensure_surface_for_gicon: assertion failed (error == NULL): Failed to load /usr/share/icons/Adwaita/scalable/status/image-missing.svg: Loader process exited early with status '1'Command:  "bwrap" "--unshare-all" "--die-with-parent" "--chdir" "/" "--ro-bind" "/usr" "/usr" "--dev" "/dev" "--ro-bind-try" "/etc/ld.so.cache" "/etc/ld.so.cache" "--ro-bind-try" "/nix/store" "/nix/store" "--tmpfs" "/tmp-home" "--tmpfs" "/tmp-run" "--clearenv" "--setenv" "HOME" "/tmp-home" "--setenv" "XDG_RUNTIME_DIR" "/tmp-run" "--symlink" "/usr/lib" "/lib" "--symlink" "/usr/lib" "/lib64" "--ro-bind-try" "/etc/fonts/conf.d" "/etc/fonts/conf.d" "--ro-bind-try" "/etc/fonts/fonts.conf" "/etc/fonts/fonts.conf" "--ro-bind-try" "/var/cache/fontconfig" "/var/cache/fontconfig" "--bind-try" "/home/dshub/.cache/glycin/usr/lib/glycin-loaders/2+/glycin-svg" "/home/dshub/.cache/glycin/usr/lib/glycin-loaders/2+/glycin-svg" "--setenv" "XDG_CACHE_HOME" "/home/dshub/.cache/glycin/usr/lib/glycin-loaders/2+/glycin-svg" "--seccomp" "16" "/usr/lib/glycin-loaders/2+/glycin-svg" "--dbus-fd" "15" (gdk-pixbuf-error-quark, 0)
Aborted                    sudo virt-manager

Base on the error message, I confirmed that /usr/share/icons/Adwaita/scalable/status/image-missing.svg exists (root:root 644). Although I don't know what the commands are supposed to do smile I also ran

sudo gdk-pixbuf-query-loaders --update-cache

and

sudo update-mime-database /usr/share/mime

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