$ sudo aptitude full-upgrade
The following packages will be upgraded: 
  jayatana libdrm-amdgpu1:i386{b} libdrm-intel1:i386{b} 
  libdrm-nouveau2:i386{b} libdrm-radeon1:i386{b} libdrm2:i386{b} 
  libegl1-mesa libegl1-mesa-drivers libgbm1 libgl1-mesa-dev libgl1-mesa-dri 
  libgl1-mesa-dri:i386 libgl1-mesa-glx libgl1-mesa-glx:i386 libglapi-mesa 
  libglapi-mesa:i386 libgles1-mesa libgles2-mesa libwayland-egl1-mesa 
  libxatracker2 mesa-common-dev python3-distupgrade python3-update-manager 
  ubuntu-release-upgrader-core ubuntu-release-upgrader-gtk update-manager 
  update-manager-core 
27 packages upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
Need to get 12.2 MB of archives. After unpacking 18.4 kB will be used.
The following packages have unmet dependencies:
 libdrm-amdgpu1 : Breaks: libdrm-amdgpu1:i386 (!= 2.4.65+git20150922.f3c6740f-0ubuntu0ricotz~vivid) but 2.4.65+git20151008.8c4a1cbd-0ubuntu0ricotz~vivid is to be installed.
 libdrm-amdgpu1:i386 : Breaks: libdrm-amdgpu1 (!= 2.4.65+git20151008.8c4a1cbd-0ubuntu0ricotz~vivid) but 2.4.65+git20150922.f3c6740f-0ubuntu0ricotz~vivid is installed.
 libdrm-intel1 : Breaks: libdrm-intel1:i386 (!= 2.4.65+git20150922.f3c6740f-0ubuntu0ricotz~vivid) but 2.4.65+git20151008.8c4a1cbd-0ubuntu0ricotz~vivid is to be installed.
 libdrm-intel1:i386 : Breaks: libdrm-intel1 (!= 2.4.65+git20151008.8c4a1cbd-0ubuntu0ricotz~vivid) but 2.4.65+git20150922.f3c6740f-0ubuntu0ricotz~vivid is installed.
 libdrm-radeon1 : Breaks: libdrm-radeon1:i386 (!= 2.4.65+git20150922.f3c6740f-0ubuntu0ricotz~vivid) but 2.4.65+git20151008.8c4a1cbd-0ubuntu0ricotz~vivid is to be installed.
 libdrm-radeon1:i386 : Breaks: libdrm-radeon1 (!= 2.4.65+git20151008.8c4a1cbd-0ubuntu0ricotz~vivid) but 2.4.65+git20150922.f3c6740f-0ubuntu0ricotz~vivid is installed.
 libdrm-nouveau2 : Breaks: libdrm-nouveau2:i386 (!= 2.4.65+git20150922.f3c6740f-0ubuntu0ricotz~vivid) but 2.4.65+git20151008.8c4a1cbd-0ubuntu0ricotz~vivid is to be installed.
 libdrm-nouveau2:i386 : Breaks: libdrm-nouveau2 (!= 2.4.65+git20151008.8c4a1cbd-0ubuntu0ricotz~vivid) but 2.4.65+git20150922.f3c6740f-0ubuntu0ricotz~vivid is installed.
 libdrm2 : Breaks: libdrm2:i386 (!= 2.4.65+git20150922.f3c6740f-0ubuntu0ricotz~vivid) but 2.4.65+git20151008.8c4a1cbd-0ubuntu0ricotz~vivid is to be installed.
 libdrm2:i386 : Breaks: libdrm2 (!= 2.4.65+git20151008.8c4a1cbd-0ubuntu0ricotz~vivid) but 2.4.65+git20150922.f3c6740f-0ubuntu0ricotz~vivid is installed.
The following actions will resolve these dependencies:

     Remove the following packages:
1)     libdrm-amdgpu1:i386         
2)     libdrm-intel1:i386          
3)     libdrm-nouveau2:i386        
4)     libdrm-radeon1:i386         
5)     libdrm2:i386                
6)     libgl1-mesa-dri:i386        
7)     libgl1-mesa-glx:i386        



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