When trying to install the olc-icd-opencl-dev:i386 package (there is already an ocl-icd-opencl-dev:amd64 package) it will complain about:
$ sudo apt-get install ocl-icd-opencl-dev:i386
Reading package lists... Done
Building dependency tree
Reading state information... Done
Recommended packages:
libpoclu-dev:i386
The following NEW packages will be installed:
ocl-icd-opencl-dev:i386
0 upgraded, 1 newly installed, 0 to remove and 0 not upgraded.
Need to get 0 B/3,546 B of archives.
After this operation, 20.5 kB of additional disk space will be used.
(Reading database ... 223711 files and directories currently installed.)
Preparing to unpack .../ocl-icd-opencl-dev_2.2.8-1_i386.deb ...
Unpacking ocl-icd-opencl-dev:i386 (2.2.8-1) ...
dpkg: error processing archive /var/cache/apt/archives/ocl-icd-opencl-dev_2.2.8-1_i386.deb (--unpack):
trying to overwrite shared '/usr/share/doc/ocl-icd-opencl-dev/changelog.Debian.gz', which is different from other instances of package ocl-icd-opencl-dev:i386
Errors were encountered while processing:
/var/cache/apt/archives/ocl-icd-opencl-dev_2.2.8-1_i386.deb
E: Sub-process /usr/bin/dpkg returned an error code (1)
ProblemType: Package
DistroRelease: Ubuntu 16.04
Package: ocl-icd-opencl-dev 2.2.8-1
ProcVersionSignature: Ubuntu 4.4.0-59.80-generic 4.4.35
Uname: Linux 4.4.0-59-generic x86_64
NonfreeKernelModules: nvidia_uvm nvidia_drm nvidia_modeset nvidia
ApportVersion: 2.20.1-0ubuntu2.5
AptOrdering:
ocl-icd-libopencl1: Install
ocl-icd-opencl-dev: Install
ocl-icd-libopencl1: Configure
ocl-icd-opencl-dev: Configure
NULL: ConfigurePending
Architecture: amd64
Date: Thu Jan 19 05:47:41 2017
DuplicateSignature:
package:ocl-icd-opencl-dev:2.2.8-1
Unpacking ocl-icd-opencl-dev:i386 (2.2.8-1) ...
dpkg: error processing archive /var/cache/apt/archives/ocl-icd-opencl-dev_2.2.8-1_i386.deb (--unpack):
trying to overwrite shared '/usr/share/doc/ocl-icd-opencl-dev/changelog.Debian.gz', which is different from other instances of package ocl-icd-opencl-dev:i386
ErrorMessage: trying to overwrite shared '/usr/share/doc/ocl-icd-opencl-dev/changelog.Debian.gz', which is different from other instances of package ocl-icd-opencl-dev:i386
InstallationDate: Installed on 2017-01-19 (0 days ago)
InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Release amd64 (20160420.1)
RelatedPackageVersions:
dpkg 1.18.4ubuntu1.1
apt 1.2.18
SourcePackage: ocl-icd
Title: package ocl-icd-opencl-dev 2.2.8-1 failed to install/upgrade: trying to overwrite shared '/usr/share/doc/ocl-icd-opencl-dev/changelog.Debian.gz', which is different from other instances of package ocl-icd-opencl-dev:i386
UpgradeStatus: No upgrade log present (probably fresh install)
Status changed to 'Confirmed' because the bug affects multiple users.