[Bug 1307917] Re: installing driver hangs indefinitely

[Till Kamppeter]

This looks like a bug in the install_signature() method of the
PackageKitGlib.Client class, that if authorization for writing into the
files where keys for package repositories are stored fails that the
method does not exit and hangs infinitely. It seems to have nothing to
do with Epson's servers or that the key is from Epson, as the only
parameter to the method is the key fingerprint as a string of
hexadecimal digits.

Adding packagekit ...

** Also affects: packagekit (Ubuntu)
   Importance: Undecided
       Status: New

** Changed in: packagekit (Ubuntu)
       Status: New => Incomplete

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https://bugs.launchpad.net/bugs/1307917

Title:
  installing driver hangs indefinitely

Status in “packagekit” package in Ubuntu:
  Incomplete
Status in “system-config-printer” package in Ubuntu:
  Incomplete

Bug description:
  While installing a printer driver, I get the usual progress bar modal
  window (title: 'Installing driver epson-inkjet-printer-escpr',
  content: 'Installing ...'). It just stops and hangs indefinitely at
  about 50% progress though.

  I've inspected pstree, and the offending command line seems to be:

  /usr/bin/python /usr/share/system-config-printer/install-
  printerdriver.py epson-inkjet-printer-escpr deb
  http://download.ebz.epson.net/dsc/op/stable/debian/ lsb3.2 main
  E5220FB7014D0FBDA50DFC2BE5E86C008AA65D56

  Running it from the command line outputs the following two lines:

      Signature key supplied
      pk.install_signature

  .. and then it hangs as well.

  I've attached an strace -f of the above command.  The trace doesn't
  actually end (the process hangs as before), but does stop outputting
  new system calls.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: system-config-printer-gnome 1.4.3+20140219-0ubuntu2
  ProcVersionSignature: Ubuntu 3.13.0-20.42-generic 3.13.7
  Uname: Linux 3.13.0-20-generic x86_64
  NonfreeKernelModules: wl
  ApportVersion: 2.14.1-0ubuntu2
  Architecture: amd64
  CupsErrorLog:
   
  CurrentDesktop: Unity
  Date: Tue Apr 15 10:35:39 2014
  InstallationDate: Installed on 2014-04-02 (13 days ago)
  InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Beta amd64 (20140326)
  Lpstat: Error: command ['lpstat', '-v'] failed with exit code 1: lpstat: No destinations added.
  MachineType: Dell Inc. Vostro 3500
  PackageArchitecture: all
  Papersize: a4
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-20-generic root=UUID=02c716f6-1efa-4717-acc6-62fab88d7a37 ro quiet splash vt.handoff=7
  SourcePackage: system-config-printer
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 10/25/2010
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A10
  dmi.board.name: 0G2R51
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A10
  dmi.chassis.type: 8
  dmi.chassis.vendor: Dell Inc.
  dmi.chassis.version: A10
  dmi.modalias: dmi:bvnDellInc.:bvrA10:bd10/25/2010:svnDellInc.:pnVostro3500:pvrA10:rvnDellInc.:rn0G2R51:rvrA10:cvnDellInc.:ct8:cvrA10:
  dmi.product.name: Vostro 3500
  dmi.product.version: A10
  dmi.sys.vendor: Dell Inc.

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