Not a solution, but at least a short-term solution. I edited /etc/cups/cupsd.conf and commented out the following lines: AuthType Default Require user @SYSTEM
And it worked! -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to cups in Ubuntu. https://bugs.launchpad.net/bugs/1899588 Title: Stuck at "Add Printer" (in CUPS web interface) on Ubuntu 20.04 Status in cups package in Ubuntu: New Bug description: I have a freshly installed Ubuntu 20.04.1 on my Lenovo ThinkPad X1 (8th gen). Whenever I go to http://localhost:631. I click on "Add Printer" and the status bar indicates that the page is loading. Nothing else happens. I'm stuck. ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: cups 2.3.1-9ubuntu1.1 ProcVersionSignature: Ubuntu 5.4.0-48.52-generic 5.4.60 Uname: Linux 5.4.0-48-generic x86_64 ApportVersion: 2.20.11-0ubuntu27.9 Architecture: amd64 CasperMD5CheckResult: skip CupsErrorLog: Error: [Errno 13] Permission denied: '/var/log/cups/error_log' CurrentDesktop: Unity Date: Tue Oct 13 10:01:26 2020 EcryptfsInUse: Yes InstallationDate: Installed on 2020-08-24 (49 days ago) InstallationMedia: Ubuntu 20.04.1 LTS "Focal Fossa" - Release amd64 (20200731) Lpstat: Error: command ['lpstat', '-v'] failed with exit code 1: lpstat: No destinations added. MachineType: LENOVO 20U9004PFR Papersize: a4 ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-48-generic root=UUID=4a93b148-f388-4849-9a18-9e0e4d32c97a ro quiet splash vt.handoff=7 SourcePackage: cups UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 08/25/2020 dmi.bios.vendor: LENOVO dmi.bios.version: N2WET22W (1.12 ) dmi.board.asset.tag: Not Available dmi.board.name: 20U9004PFR dmi.board.vendor: LENOVO dmi.board.version: SDK0J40697 WIN dmi.chassis.asset.tag: No Asset Information dmi.chassis.type: 10 dmi.chassis.vendor: LENOVO dmi.chassis.version: None dmi.modalias: dmi:bvnLENOVO:bvrN2WET22W(1.12):bd08/25/2020:svnLENOVO:pn20U9004PFR:pvrThinkPadX1CarbonGen8:rvnLENOVO:rn20U9004PFR:rvrSDK0J40697WIN:cvnLENOVO:ct10:cvrNone: dmi.product.family: ThinkPad X1 Carbon Gen 8 dmi.product.name: 20U9004PFR dmi.product.sku: LENOVO_MT_20U9_BU_Think_FM_ThinkPad X1 Carbon Gen 8 dmi.product.version: ThinkPad X1 Carbon Gen 8 dmi.sys.vendor: LENOVO To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/cups/+bug/1899588/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp