Public bug reported: Trying to add a printer via system settings. Got to a messagebox that said "Installing driver openprinting-gutenprint. Installing..." and then hung at 50% progress.
ps shows that dpkg and dpkg-preconfigure terminated, but no parent reaped them: dank 16336 0.6 0.9 1212316 111316 ? Sl 14:17 0:05 /usr/bin/python /usr/share/system-config-printer/system-config-printer.py dank 16434 0.0 0.0 238912 11924 ? Sl 14:22 0:00 /usr/bin/python /usr/share/system-config-printer/install-printerdriver.py openprinting-gutenprint deb http://www.openprinting.org/download/printdriver/debian/ lsb3.2 contrib F8897B6F00075648E248B7EC24CBF5474CFD1E2F root 16438 2.4 0.8 298400 99004 ? SNl 14:22 0:13 /usr/bin/python3 /usr/sbin/aptd root 16606 0.0 0.4 298400 57456 pts/39 SNs+ 14:23 0:00 /usr/bin/python3 /usr/sbin/aptd root 16607 0.0 0.0 0 0 pts/39 ZN+ 14:23 0:00 [dpkg] <defunct> root 16608 0.0 0.0 4444 648 pts/39 SN+ 14:23 0:00 /bin/sh -c /usr/sbin/dpkg-preconfigure --apt || true root 16609 0.0 0.1 64272 15816 pts/39 SN+ 14:23 0:00 /usr/bin/perl -w /usr/sbin/dpkg-preconfigure --apt root 16611 0.0 0.0 0 0 pts/39 ZN+ 14:23 0:00 [dpkg-preconfigu] <defunct> Clicking cancel on the messagebox did nothing; everything was still hung. Looks like this was mentioned once before, http://ubuntuforums.org/showthread.php?t=2186209 Doing kill -HUP to the process "/usr/bin/python /usr/share/system-config-printer/system-config-printer.py" unblocked everything, and dpkg-cache policy reported that openprinting-gutenprint was installed. Control panel still didn't show the printer I'd wanted, so I tried it again, and this time it completed (slowly). ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: system-config-printer-gnome 1.4.3+20140219-0ubuntu2.1 ProcVersionSignature: Ubuntu 3.13.0-29.53-generic 3.13.11.2 Uname: Linux 3.13.0-29-generic x86_64 NonfreeKernelModules: nvidia ApportVersion: 2.14.1-0ubuntu3.2 Architecture: amd64 CupsErrorLog: Error: [Errno 13] Permission denied: '/var/log/cups/error_log' CurrentDesktop: Unity CurrentDmesg: Error: command ['sh', '-c', 'dmesg | comm -13 --nocheck-order /var/log/dmesg -'] failed with exit code 1: comm: /var/log/dmesg: Permission denied Date: Wed Jun 25 14:31:21 2014 Lpstat: device for EPSON-Stylus-CX6600: ipps://trudge.local:631/printers/EPSON_Stylus_CX6600 MachineType: Dell Inc. Precision WorkStation T7500 PackageArchitecture: all Papersize: letter ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-29-generic root=UUID=114bd4a5-fd4b-4701-8155-506c50cb9da9 ro nomdmonddf nomdmonisw nomdmonddf nomdmonisw SourcePackage: system-config-printer UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 10/30/2011 dmi.bios.vendor: Dell Inc. dmi.bios.version: A12 dmi.board.name: 06FW8P dmi.board.vendor: Dell Inc. dmi.board.version: A02 dmi.chassis.type: 7 dmi.chassis.vendor: Dell Inc. dmi.modalias: dmi:bvnDellInc.:bvrA12:bd10/30/2011:svnDellInc.:pnPrecisionWorkStationT7500:pvr:rvnDellInc.:rn06FW8P:rvrA02:cvnDellInc.:ct7:cvr: dmi.product.name: Precision WorkStation T7500 dmi.sys.vendor: Dell Inc. ** Affects: system-config-printer (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-bug third-party-packages trusty -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to system-config-printer in Ubuntu. https://bugs.launchpad.net/bugs/1334446 Title: Installing printer driver via control panel hangs Status in “system-config-printer” package in Ubuntu: New Bug description: Trying to add a printer via system settings. Got to a messagebox that said "Installing driver openprinting-gutenprint. Installing..." and then hung at 50% progress. ps shows that dpkg and dpkg-preconfigure terminated, but no parent reaped them: dank 16336 0.6 0.9 1212316 111316 ? Sl 14:17 0:05 /usr/bin/python /usr/share/system-config-printer/system-config-printer.py dank 16434 0.0 0.0 238912 11924 ? Sl 14:22 0:00 /usr/bin/python /usr/share/system-config-printer/install-printerdriver.py openprinting-gutenprint deb http://www.openprinting.org/download/printdriver/debian/ lsb3.2 contrib F8897B6F00075648E248B7EC24CBF5474CFD1E2F root 16438 2.4 0.8 298400 99004 ? SNl 14:22 0:13 /usr/bin/python3 /usr/sbin/aptd root 16606 0.0 0.4 298400 57456 pts/39 SNs+ 14:23 0:00 /usr/bin/python3 /usr/sbin/aptd root 16607 0.0 0.0 0 0 pts/39 ZN+ 14:23 0:00 [dpkg] <defunct> root 16608 0.0 0.0 4444 648 pts/39 SN+ 14:23 0:00 /bin/sh -c /usr/sbin/dpkg-preconfigure --apt || true root 16609 0.0 0.1 64272 15816 pts/39 SN+ 14:23 0:00 /usr/bin/perl -w /usr/sbin/dpkg-preconfigure --apt root 16611 0.0 0.0 0 0 pts/39 ZN+ 14:23 0:00 [dpkg-preconfigu] <defunct> Clicking cancel on the messagebox did nothing; everything was still hung. Looks like this was mentioned once before, http://ubuntuforums.org/showthread.php?t=2186209 Doing kill -HUP to the process "/usr/bin/python /usr/share/system-config-printer/system-config-printer.py" unblocked everything, and dpkg-cache policy reported that openprinting-gutenprint was installed. Control panel still didn't show the printer I'd wanted, so I tried it again, and this time it completed (slowly). ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: system-config-printer-gnome 1.4.3+20140219-0ubuntu2.1 ProcVersionSignature: Ubuntu 3.13.0-29.53-generic 3.13.11.2 Uname: Linux 3.13.0-29-generic x86_64 NonfreeKernelModules: nvidia ApportVersion: 2.14.1-0ubuntu3.2 Architecture: amd64 CupsErrorLog: Error: [Errno 13] Permission denied: '/var/log/cups/error_log' CurrentDesktop: Unity CurrentDmesg: Error: command ['sh', '-c', 'dmesg | comm -13 --nocheck-order /var/log/dmesg -'] failed with exit code 1: comm: /var/log/dmesg: Permission denied Date: Wed Jun 25 14:31:21 2014 Lpstat: device for EPSON-Stylus-CX6600: ipps://trudge.local:631/printers/EPSON_Stylus_CX6600 MachineType: Dell Inc. Precision WorkStation T7500 PackageArchitecture: all Papersize: letter ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-29-generic root=UUID=114bd4a5-fd4b-4701-8155-506c50cb9da9 ro nomdmonddf nomdmonisw nomdmonddf nomdmonisw SourcePackage: system-config-printer UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 10/30/2011 dmi.bios.vendor: Dell Inc. dmi.bios.version: A12 dmi.board.name: 06FW8P dmi.board.vendor: Dell Inc. dmi.board.version: A02 dmi.chassis.type: 7 dmi.chassis.vendor: Dell Inc. dmi.modalias: dmi:bvnDellInc.:bvrA12:bd10/30/2011:svnDellInc.:pnPrecisionWorkStationT7500:pvr:rvnDellInc.:rn06FW8P:rvrA02:cvnDellInc.:ct7:cvr: dmi.product.name: Precision WorkStation T7500 dmi.sys.vendor: Dell Inc. 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