I have the same problem since 17.10, running currently 18.04. Reinstalling gnome-software did not help.
gnome-software does not show apt updates at all. I have to update system using apt from terminal or update-manager Found similar issue in debian mailinglist, but related only to empty updates list: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=851796 Adding attachment file with gnome-software running with --verbose command, 9581 is the line where I've typed in other terminal: "sudo apt update". ** Bug watch added: Debian Bug tracker #851796 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=851796 ** Attachment added: "verbose_gnome-software" https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1734095/+attachment/5176480/+files/verbose_gnome-software -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to gnome-shell in Ubuntu. https://bugs.launchpad.net/bugs/1734095 Title: After upgrade to ubuntu 17.10 Software & Updates not showing authorization popup [gnome-shell[N]: pushModal: invocation of begin_modal failed] Status in GNOME Shell: Confirmed Status in gnome-shell package in Ubuntu: Incomplete Bug description: After upgrading to Ubuntu 17.10 (from 17.04), if I open the Software and Updates app and attempt to change anything it does not popup the authorization dialog and will not let changes through. In sylog I see Nov 23 10:07:04 tigger gnome-shell[2142]: polkitAuthenticationAgent: Received 3 identities that can be used for authentication. Only considering one. Nov 23 10:07:04 tigger gnome-shell[2142]: pushModal: invocation of begin_modal failed Nov 23 10:07:04 tigger gnome-shell[2142]: polkitAuthenticationAgent: Failed to show modal dialog. Dismissing authentication request for action-id com.ubuntu.softwareproperties.applychanges cookie 1-28e9d285258e7cd70c2af2980886a55b-1-cff4894642cc4a6c033597370ee1f740 Nov 23 10:07:04 tigger software-properties-gnome.desktop[3367]: ERROR:root:Authentication canceled, changes have not been saved Before the upgrade it was ok. Other apps that require authorisation function as expected. ProblemType: Bug DistroRelease: Ubuntu 17.10 Package: gnome-shell 3.26.1-0ubuntu5 ProcVersionSignature: Ubuntu 4.13.0-17.20-generic 4.13.8 Uname: Linux 4.13.0-17-generic x86_64 ApportVersion: 2.20.7-0ubuntu3.5 Architecture: amd64 CurrentDesktop: GNOME Date: Thu Nov 23 10:07:44 2017 DisplayManager: lightdm InstallationDate: Installed on 2014-10-21 (1128 days ago) InstallationMedia: Ubuntu 14.10 "Utopic Unicorn" - Alpha amd64 (20141017) SourcePackage: gnome-shell UpgradeStatus: Upgraded to artful on 2017-11-22 (0 days ago) To manage notifications about this bug go to: https://bugs.launchpad.net/gnome-shell/+bug/1734095/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp
