package libsane1 1.0.27-1~experimental2ubuntu2.1 failed to install/upgrade: trying to overwrite shared '/lib/udev/hwdb.d/20-sane.hwdb', which is different from other instances of package libsane1:i386

[Ryan Eric Johnson]

package failed to update

ProblemType: Package
DistroRelease: Ubuntu 17.10
Package: libsane1 1.0.27-1~experimental2ubuntu2.1
ProcVersionSignature: Ubuntu 4.13.0-16.19-generic 4.13.4
Uname: Linux 4.13.0-16-generic x86_64
ApportVersion: 2.20.7-0ubuntu3.4
Architecture: amd64
Date: Thu Nov 16 12:06:02 2017
ErrorMessage: trying to overwrite shared '/lib/udev/hwdb.d/20-sane.hwdb', which is different from other instances of package libsane1:i386
InstallationDate: Installed on 2017-06-29 (140 days ago)
InstallationMedia: Ubuntu 16.04.2 LTS "Xenial Xerus" - Release amd64 (20170215.2)
Python3Details: /usr/bin/python3.6, Python 3.6.3, python3-minimal, 3.6.3-0ubuntu2
PythonDetails: /usr/bin/python2.7, Python 2.7.14, python-minimal, 2.7.14-2ubuntu1
RelatedPackageVersions:
 dpkg 1.18.24ubuntu1
 apt 1.5.1
SourcePackage: sane-backends
Title: package libsane1 1.0.27-1~experimental2ubuntu2.1 failed to install/upgrade: trying to overwrite shared '/lib/udev/hwdb.d/20-sane.hwdb', which is different from other instances of package libsane1:i386
UpgradeStatus: Upgraded to artful on 2017-10-19 (28 days ago)

[Ryan Eric Johnson (d7gonzo)]

I am wondering if this has something to do with a recent printer driver installation. Canon Pixma MX492

[Ryan Eric Johnson (d7gonzo)]

moved '/lib/udev/hwdb.d/20-sane.hwdb' to /tmp
then got this error:

Unpacking libsane1:i386 (1.0.27-1~experimental2ubuntu2.1) over (1.0.27-1~experimental2ubuntu1) ...
dpkg: error processing archive /var/cache/apt/archives/libsane1_1.0.27-1~experimental2ubuntu2.1_i386.deb (--unpack):
 trying to overwrite shared '/lib/udev/rules.d/60-libsane1.rules', which is different from other instances of package libsane1:i386
dpkg-deb: error: subprocess paste

moved that file to /tmp and install went ahead OK

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.