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[Pander <1705821@xxxxxxxxxxxxxxxxxx>]

>From FFADO maintainer:

   Bug: Python error.

   Suggestion:
       Upgrade to FFADO 2.4.4 and retest.

   The ffado-diag script saw significant changes in early 2018, between
   FFADO 2.4.0 and 2.4.1.

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https://bugs.launchpad.net/bugs/1705821

Title:
  ffado-diag crashed with TypeError in <string>: bad operand type for
  unary -: '_Helper'

Status in libffado package in Ubuntu:
  Confirmed

Bug description:
  Just calling

  ffado-diag --help

  is sufficient for triggering the bug.

  ProblemType: Crash
  DistroRelease: Ubuntu 17.10
  Package: ffado-tools 2.3.0-2
  ProcVersionSignature: Ubuntu 4.11.0-10.15-lowlatency 4.11.8
  Uname: Linux 4.11.0-10-lowlatency i686
  ApportVersion: 2.20.5-0ubuntu5
  Architecture: i386
  CurrentDesktop: MATE
  Date: Sat Jul 22 14:51:08 2017
  ExecutablePath: /usr/bin/ffado-diag
  InstallationDate: Installed on 2011-10-14 (2107 days ago)
  InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release i386 (20111011)
  InterpreterPath: /usr/bin/python2.7
  ProcCmdline: /usr/bin/python /usr/bin/ffado-diag --help
  PythonArgs: ['/usr/bin/ffado-diag', '--help']
  SourcePackage: libffado
  Title: ffado-diag crashed with TypeError in <string>: bad operand type for unary -: '_Helper'
  Traceback:
   Traceback (most recent call last):
     File "/usr/bin/ffado-diag", line 64, in <module>
       loglevel = eval(sys.argv[1])
     File "<string>", line 1, in <module>
   TypeError: bad operand type for unary -: '_Helper'
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm admin audio cdrom dialout fax floppy lpadmin lxd plugdev pulse-access sambashare

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