[Bug 1843412] Re: ubiquity crashed with dbus.exceptions.DBusException in call_blocking(): org.freedesktop.DBus.Error.UnknownMethod: No such interface “org.freedesktop.NetworkManager.Device.Wireless” on object at path /org/freedesktop/NetworkManager/Devices/47

[Will Cooke]

*** This bug is a duplicate of bug 1676647 ***
    https://bugs.launchpad.net/bugs/1676647

I'm not 100% convinced this is a dupe.  The crash in Ubiquiuty might be
the same, but the root causes are different.

Sep 10 10:11:40 username kernel: iwlwifi 0000:02:00.0: LED command failed: -5
Sep 10 10:11:40 username kernel:  dump_stack+0x63/0x8a
Sep 10 10:11:40 username kernel:  iwl_pcie_send_hcmd_sync+0x497/0x4b0 [iwlwifi]


This one seems to be a kernel issue?

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https://bugs.launchpad.net/bugs/1843412

Title:
  ubiquity crashed with dbus.exceptions.DBusException in
  call_blocking(): org.freedesktop.DBus.Error.UnknownMethod: No such
  interface “org.freedesktop.NetworkManager.Device.Wireless” on object
  at path /org/freedesktop/NetworkManager/Devices/47

Status in ubiquity package in Ubuntu:
  New

Bug description:
  Was during installation, this crashed was interrupt the whole install
  process no matter at beginning or OOBE.

  ProblemType: Crash
  DistroRelease: Ubuntu 19.10
  Package: ubiquity 19.10.9 [modified: lib/partman/automatically_partition/question]
  ProcVersionSignature: Ubuntu 5.2.0-15.16-generic 5.2.9
  Uname: Linux 5.2.0-15-generic x86_64
  ApportVersion: 2.20.11-0ubuntu7
  Architecture: amd64
  CasperVersion: 1.415
  Date: Tue Sep 10 10:10:31 2019
  ExecutablePath: /usr/lib/ubiquity/bin/ubiquity
  InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz file=/cdrom/preseed/ubuntu.seed only-ubiquity quiet splash ---
  InterpreterPath: /usr/bin/python3.7
  LiveMediaBuild: Ubuntu 19.10 "Eoan Ermine" - Alpha amd64 (20190909)
  ProcCmdline: /usr/bin/python3 /usr/lib/ubiquity/bin/ubiquity --only
  ProcEnviron: Error: [Errno 13] Permission denied: '/proc/1768/environ'
  Python3Details: /usr/bin/python3.7, Python 3.7.4+, python3-minimal, 3.7.3-1
  PythonArgs: ['/usr/lib/ubiquity/bin/ubiquity', '--only']
  PythonDetails: N/A
  SourcePackage: ubiquity
  Title: ubiquity crashed with dbus.exceptions.DBusException in call_blocking(): org.freedesktop.DBus.Error.UnknownMethod: No such interface “org.freedesktop.NetworkManager.Device.Wireless” on object at path /org/freedesktop/NetworkManager/Devices/47
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups:

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