1. Identify which packages were marked for installation together with libxrender1:i386 and libxrender1:amd64. In my case these were:
2. Downgrade packages to previous version (1:0.9.7-1+deb7u1 and 2:1.5.0-1+deb7u1).
3. Prevent the installation of file
by excluding it.
> Package: libxrender1
> Version: 1:0.9.7-1+deb7u1+b1
> Severity: important
>
> Dear Maintainer,
>
> I attempted to upgrade a (wheezy) system on which both the i386 and amd64
> versions of libxrender1 were installed. It failed, apparently the same shared
> file (the changelog) has different contents in *the same version of* the
> package on the 2 archs.
>
> Please fix this, as dist-upgrade should not fail on a stable install. Really it should have been picked up automatically...
>
> # apt-get dist-upgrade
> Reading package lists... Done
> Building dependency tree
> Reading state information... Done
> Calculating upgrade... Done
> The following packages will be upgraded:
> libxrender1 libxrender1:i386
> 2 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
> Need to get 65.4 kB of archives.
> After this operation, 31.7 kB disk space will be freed.
> Do you want to continue [Y/n]?
> Get:1
http://security.debian.org/ wheezy/updates/main libxrender1 i386 1:0.9.7-1+deb7u1+b1 [32.6 kB]
> Get:2
http://security.debian.org/ wheezy/updates/main libxrender1 amd64 1:0.9.7-1+deb7u1+b1 [32.8 kB]
> Fetched 65.4 kB in 0s (160 kB/s)
> Reading changelogs... Done
> (Reading database ... 213397 files and directories currently installed.)
> Preparing to replace libxrender1:i386 1:0.9.7-1+deb7u1 (using .../libxrender1_1%3a0.9.7-1+deb7u1+b1_i386.deb) ...
> De-configuring libxrender1:amd64 ...
> Unpacking replacement libxrender1:i386 ...
> Preparing to replace libxrender1:amd64 1:0.9.7-1+deb7u1 (using .../libxrender1_1%3a0.9.7-1+deb7u1+b1_amd64.deb) ...
> Unpacking replacement libxrender1:amd64 ...
> dpkg: error processing /var/cache/apt/archives/libxrender1_1%3a0.9.7-1+deb7u1+b1_amd64.deb (--unpack):
> trying to overwrite shared '/usr/share/doc/libxrender1/changelog.Debian.gz', which is different from other instances of package libxrender1:amd64
> Errors were encountered while processing:
> /var/cache/apt/archives/libxrender1_1%3a0.9.7-1+deb7u1+b1_amd64.deb
> E: Sub-process /usr/bin/dpkg returned an error code (1)
>
> -- System Information:
> Debian Release: 7.8
> APT prefers stable-updates
> APT policy: (500, 'stable-updates'), (500, 'stable')
> Architecture: amd64 (x86_64)
> Foreign Architectures: i386
>
> Kernel: Linux 3.2.0-4-amd64 (SMP w/4 CPU cores)
> Locale: LANG=en_GB.UTF-8, LC_CTYPE=en_GB.UTF-8 (charmap=UTF-8)
> Shell: /bin/sh linked to /bin/dash
>
>