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

[Ray Chen]

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:

[Apport retracing service (apport)]

Thank you for taking the time to report this crash and helping to make this software better. This particular crash has already been reported and is a duplicate of bug #1676647, so is being marked as such. Please look at the other bug report to see if there is any missing information that you can provide, or to see if there is a workaround for the bug. Additionally, any further discussion regarding the bug should occur in the other report. Please continue to report any other bugs you may find.

[Will Cooke (willcooke)]

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?