apport information ** Attachment added: "acpidump.txt" https://bugs.launchpad.net/bugs/1915181/+attachment/5461772/+files/acpidump.txt
** Description changed: - Using ubuntu 20.04, cups 2.3.3-3ubuntu1, with a networked Samsung C480 + Using ubuntu 20.10, cups 2.3.3-3ubuntu1, with a networked Samsung C480 printer (was automatically detected and set up on installation of the system). Every other attempt to print fails with a varying message depending on the printing app (eg. on libreoffice write, "Cannot start printer"). Waiting a few minutes and retrying prints successfully. Looking at cups.service journal messages while attempting to print, it looks like the second printing attempt crashes cupsd cupsd[<pid>]: free(): invalid pointer systemd[1]: cups.service: Main process exited, code=dumped, status=6/ABRT systemd[1]: cups.service: Failed with result core-dump The service then proceeds to restart after a few seconds, and trying to print again succeeds. Trying to print once more thereafter triggers the issue again. I could not find a trace of the coredump, and cuspd's error_log shows nothing happening around the crash (it does show some "org.freedesktop.ColorManager.AlreadyExists" error messages on restart, but I figured this would be normal, I can see the same message on other machines that have no printing issues). I would expect this kind of event to trigger an apport report, but there is no apport popup when it happens. Maybe because it's not a user process, not sure (this is not my usual setup, I've not been using Ubuntu for years). This is a pretty standard (and recent) ubuntu install, with not much customized; in particular no apport custom config was made, and nothing was configured on cups side or ubuntu print settings, everything is set up as it was autodetected on install. - The same printer works flawlessly on a different computer using Arch and cups 2.3.3 as well (albeit without any ubuntu patches, obviously). - --- - ProblemType: Bug - ApportVersion: 2.20.11-0ubuntu50.5 - Architecture: amd64 - CasperMD5CheckResult: skip - CurrentDesktop: ubuntu:GNOME - DistroRelease: Ubuntu 20.10 - InstallationDate: Installed on 2021-01-28 (12 days ago) - InstallationMedia: Ubuntu 20.10 "Groovy Gorilla" - Release amd64 (20201022) - KernLog: - - Lpstat: device for Samsung_C48x_Series_SEC842519933D78_: implicitclass://Samsung_C48x_Series_SEC842519933D78_/ - MachineType: ASUSTeK COMPUTER INC. ZenBook UX434DA_UM433DA - Package: cups 2.3.3-3ubuntu1 - PackageArchitecture: amd64 - Papersize: a4 - PpdFiles: Error: command ['fgrep', '-H', '*NickName', '/etc/cups/ppd/Samsung_C48x_Series_SEC842519933D78_.ppd'] failed with exit code 2: grep: /etc/cups/ppd/Samsung_C48x_Series_SEC842519933D78_.ppd: Permission denied - ProcCmdline: BOOT_IMAGE=/vmlinuz-5.8.0-41-generic root=/dev/mapper/vgubuntu-root ro quiet splash resume=/dev/mapper/vgubuntu-root resume_offset=6731776 - ProcEnviron: - TERM=xterm-256color - PATH=(custom, no user) - XDG_RUNTIME_DIR=<set> - LANG=fr_FR.UTF-8 - SHELL=/bin/bash - ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-5.8.0-41-generic root=/dev/mapper/vgubuntu-root ro quiet splash resume=/dev/mapper/vgubuntu-root resume_offset=6731776 - ProcVersionSignature: Ubuntu 5.8.0-41.46-generic 5.8.18 - RebootRequiredPkgs: - linux-image-5.8.0-43-generic - linux-base - Tags: groovy - Uname: Linux 5.8.0-41-generic x86_64 - UpgradeStatus: No upgrade log present (probably fresh install) - UserGroups: adm cdrom dip lpadmin lxd plugdev sambashare sudo - _MarkForUpload: True - dmi.bios.date: 09/05/2019 - dmi.bios.release: 5.14 - dmi.bios.vendor: American Megatrends Inc. - dmi.bios.version: UX434DA_UM433DA.302 - dmi.board.asset.tag: ATN12345678901234567 - dmi.board.name: UX434DA - dmi.board.vendor: ASUSTeK COMPUTER INC. - dmi.board.version: 1.0 - dmi.chassis.asset.tag: No Asset Tag - dmi.chassis.type: 10 - dmi.chassis.vendor: ASUSTeK COMPUTER INC. - dmi.chassis.version: 1.0 - dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrUX434DA_UM433DA.302:bd09/05/2019:br5.14:svnASUSTeKCOMPUTERINC.:pnZenBookUX434DA_UM433DA:pvr1.0:rvnASUSTeKCOMPUTERINC.:rnUX434DA:rvr1.0:cvnASUSTeKCOMPUTERINC.:ct10:cvr1.0: - dmi.product.family: ZenBook - dmi.product.name: ZenBook UX434DA_UM433DA - dmi.product.version: 1.0 - dmi.sys.vendor: ASUSTeK COMPUTER INC. + The same printer works flawlessly on a different computer using Arch and + cups 2.3.3 as well (albeit without any ubuntu patches, obviously). -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1915181 Title: cups crashes with SIGABRT every other printing attempt To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/cups/+bug/1915181/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs