apport information ** Tags added: apport-collected groovy wayland-session
** Description changed: The cups-browsed service fails to exit when systemd tries to stop it, seemingly because /usr/sbin/cups-browsed fails to exit when it's sent a SIGTERM signal. Here are all the relevant logs in journald when trying to stop cups- browsed using `sudo systemctl stop cups-browsed`: Sep 11 10:17:26 ubun sudo[3370]: pam_unix(sudo:auth): Couldn't open /etc/securetty: No such file or directory Sep 11 10:17:26 ubun sudo[3370]: martin : TTY=pts/2 ; PWD=/home/martin ; USER=root ; COMMAND=/usr/bin/systemctl stop cups-browsed Sep 11 10:17:26 ubun sudo[3370]: pam_unix(sudo:session): session opened for user root by (uid=0) Sep 11 10:17:26 ubun systemd[1]: Stopping Make remote CUPS printers available locally... Sep 11 10:18:56 ubun systemd[1]: cups-browsed.service: State 'stop-sigterm' timed out. Killing. Sep 11 10:18:56 ubun systemd[1]: cups-browsed.service: Killing process 1471 (cups-browsed) with signal SIGKILL. Sep 11 10:18:56 ubun systemd[1]: cups-browsed.service: Killing process 1521 (gdbus) with signal SIGKILL. Sep 11 10:18:56 ubun systemd[1]: cups-browsed.service: Main process exited, code=killed, status=9/KILL Sep 11 10:18:56 ubun systemd[1]: cups-browsed.service: Failed with result 'timeout'. Sep 11 10:18:56 ubun systemd[1]: Stopped Make remote CUPS printers available locally. Sep 11 10:18:56 ubun sudo[3370]: pam_unix(sudo:session): session closed for user root As you can see, I run the command at 10:17:26, then nothing happens for 90 seconds, until systemd gives up and sents a SIGKILL at 10:18:56. - This problem hangs shutdown for 90 seconds, so it quite badly affects - the user experience of Ubuntu as a whole, even for users who never use - cups. + This problem hangs shutdown for 90 seconds, so it quite badly affects the user experience of Ubuntu as a whole, even for users who never use cups. + --- + ProblemType: Bug + ApportVersion: 2.20.11-0ubuntu45 + Architecture: amd64 + CasperMD5CheckResult: skip + DistroRelease: Ubuntu 20.10 + InstallationDate: Installed on 2019-11-26 (289 days ago) + InstallationMedia: Ubuntu 19.10 "Eoan Ermine" - Release amd64 (20191017) + Lpstat: + device for EPSON_XP_312_313_315_Series_2_ms_jgb_air: ///dev/null + device for HP_Color_LaserJet_MFP_M477fdw_0E34F7_: implicitclass://HP_Color_LaserJet_MFP_M477fdw_0E34F7_/ + device for Samsung_CLX_3300_Series_Heidi_MacBook_Pro: ///dev/null + MachineType: Dell Inc. XPS 15 9575 + Package: cups 2.3.3-3ubuntu1 + PackageArchitecture: amd64 + Papersize: a4 + PpdFiles: Error: command ['fgrep', '-H', '*NickName', '/etc/cups/ppd/HP_Color_LaserJet_MFP_M477fdw_0E34F7_.ppd'] failed with exit code 2: grep: /etc/cups/ppd/HP_Color_LaserJet_MFP_M477fdw_0E34F7_.ppd: Permission denied + ProcCmdline: BOOT_IMAGE=/boot/vmlinuz-5.4.0-42-generic root=UUID=60c00fb1-a65f-4908-898e-0cd30e291b96 ro quiet splash mem_sleep_default=deep vt.handoff=7 + ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-42-generic root=UUID=60c00fb1-a65f-4908-898e-0cd30e291b96 ro quiet splash mem_sleep_default=deep vt.handoff=7 + ProcVersionSignature: Ubuntu 5.4.0-42.46-generic 5.4.44 + Tags: wayland-session groovy + Uname: Linux 5.4.0-42-generic x86_64 + UpgradeStatus: Upgraded to groovy on 2020-09-09 (1 days ago) + UserGroups: adm cdrom dialout dip disk docker lpadmin lxd plugdev sambashare sudo video + _MarkForUpload: True + dmi.bios.date: 05/25/2020 + dmi.bios.vendor: Dell Inc. + dmi.bios.version: 1.12.1 + dmi.board.name: 0C32VW + dmi.board.vendor: Dell Inc. + dmi.board.version: A00 + dmi.chassis.type: 31 + dmi.chassis.vendor: Dell Inc. + dmi.modalias: dmi:bvnDellInc.:bvr1.12.1:bd05/25/2020:svnDellInc.:pnXPS159575:pvr:rvnDellInc.:rn0C32VW:rvrA00:cvnDellInc.:ct31:cvr: + dmi.product.family: XPS + dmi.product.name: XPS 15 9575 + dmi.product.sku: 080D + dmi.sys.vendor: Dell Inc. ** Attachment added: "CupsErrorLog.txt" https://bugs.launchpad.net/bugs/1895265/+attachment/5409673/+files/CupsErrorLog.txt -- 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/1895265 Title: cups-browsed fails to exit when systemd tries to shut it down (SIGTERM) Status in cups package in Ubuntu: New Bug description: The cups-browsed service fails to exit when systemd tries to stop it, seemingly because /usr/sbin/cups-browsed fails to exit when it's sent a SIGTERM signal. Here are all the relevant logs in journald when trying to stop cups- browsed using `sudo systemctl stop cups-browsed`: Sep 11 10:17:26 ubun sudo[3370]: pam_unix(sudo:auth): Couldn't open /etc/securetty: No such file or directory Sep 11 10:17:26 ubun sudo[3370]: martin : TTY=pts/2 ; PWD=/home/martin ; USER=root ; COMMAND=/usr/bin/systemctl stop cups-browsed Sep 11 10:17:26 ubun sudo[3370]: pam_unix(sudo:session): session opened for user root by (uid=0) Sep 11 10:17:26 ubun systemd[1]: Stopping Make remote CUPS printers available locally... Sep 11 10:18:56 ubun systemd[1]: cups-browsed.service: State 'stop-sigterm' timed out. Killing. Sep 11 10:18:56 ubun systemd[1]: cups-browsed.service: Killing process 1471 (cups-browsed) with signal SIGKILL. Sep 11 10:18:56 ubun systemd[1]: cups-browsed.service: Killing process 1521 (gdbus) with signal SIGKILL. Sep 11 10:18:56 ubun systemd[1]: cups-browsed.service: Main process exited, code=killed, status=9/KILL Sep 11 10:18:56 ubun systemd[1]: cups-browsed.service: Failed with result 'timeout'. Sep 11 10:18:56 ubun systemd[1]: Stopped Make remote CUPS printers available locally. Sep 11 10:18:56 ubun sudo[3370]: pam_unix(sudo:session): session closed for user root As you can see, I run the command at 10:17:26, then nothing happens for 90 seconds, until systemd gives up and sents a SIGKILL at 10:18:56. This problem hangs shutdown for 90 seconds, so it quite badly affects the user experience of Ubuntu as a whole, even for users who never use cups. --- ProblemType: Bug ApportVersion: 2.20.11-0ubuntu45 Architecture: amd64 CasperMD5CheckResult: skip DistroRelease: Ubuntu 20.10 InstallationDate: Installed on 2019-11-26 (289 days ago) InstallationMedia: Ubuntu 19.10 "Eoan Ermine" - Release amd64 (20191017) Lpstat: device for EPSON_XP_312_313_315_Series_2_ms_jgb_air: ///dev/null device for HP_Color_LaserJet_MFP_M477fdw_0E34F7_: implicitclass://HP_Color_LaserJet_MFP_M477fdw_0E34F7_/ device for Samsung_CLX_3300_Series_Heidi_MacBook_Pro: ///dev/null MachineType: Dell Inc. XPS 15 9575 Package: cups 2.3.3-3ubuntu1 PackageArchitecture: amd64 Papersize: a4 PpdFiles: Error: command ['fgrep', '-H', '*NickName', '/etc/cups/ppd/HP_Color_LaserJet_MFP_M477fdw_0E34F7_.ppd'] failed with exit code 2: grep: /etc/cups/ppd/HP_Color_LaserJet_MFP_M477fdw_0E34F7_.ppd: Permission denied ProcCmdline: BOOT_IMAGE=/boot/vmlinuz-5.4.0-42-generic root=UUID=60c00fb1-a65f-4908-898e-0cd30e291b96 ro quiet splash mem_sleep_default=deep vt.handoff=7 ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-42-generic root=UUID=60c00fb1-a65f-4908-898e-0cd30e291b96 ro quiet splash mem_sleep_default=deep vt.handoff=7 ProcVersionSignature: Ubuntu 5.4.0-42.46-generic 5.4.44 Tags: wayland-session groovy Uname: Linux 5.4.0-42-generic x86_64 UpgradeStatus: Upgraded to groovy on 2020-09-09 (1 days ago) UserGroups: adm cdrom dialout dip disk docker lpadmin lxd plugdev sambashare sudo video _MarkForUpload: True dmi.bios.date: 05/25/2020 dmi.bios.vendor: Dell Inc. dmi.bios.version: 1.12.1 dmi.board.name: 0C32VW dmi.board.vendor: Dell Inc. dmi.board.version: A00 dmi.chassis.type: 31 dmi.chassis.vendor: Dell Inc. dmi.modalias: dmi:bvnDellInc.:bvr1.12.1:bd05/25/2020:svnDellInc.:pnXPS159575:pvr:rvnDellInc.:rn0C32VW:rvrA00:cvnDellInc.:ct31:cvr: dmi.product.family: XPS dmi.product.name: XPS 15 9575 dmi.product.sku: 080D dmi.sys.vendor: Dell Inc. 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