WTF??? Does this mean you want to get rid of the problem without solving it?
There is definitely a dependency problem either in libgl1-mesa-dri:i386 or in libllvm7:i386. ====================================================================== $ apt policy Package files: 100 /var/lib/dpkg/status release a=now 500 http://archive.ubuntu.com/ubuntu cosmic-proposed/main i386 Packages release v=18.10,o=Ubuntu,a=cosmic-proposed,n=cosmic,l=Ubuntu,c=main,b=i386 origin archive.ubuntu.com 500 http://archive.ubuntu.com/ubuntu cosmic-proposed/main amd64 Packages release v=18.10,o=Ubuntu,a=cosmic-proposed,n=cosmic,l=Ubuntu,c=main,b=amd64 origin archive.ubuntu.com 500 http://archive.ubuntu.com/ubuntu cosmic-proposed/multiverse i386 Packages release v=18.10,o=Ubuntu,a=cosmic-proposed,n=cosmic,l=Ubuntu,c=multiverse,b=i386 origin archive.ubuntu.com 500 http://archive.ubuntu.com/ubuntu cosmic-proposed/multiverse amd64 Packages release v=18.10,o=Ubuntu,a=cosmic-proposed,n=cosmic,l=Ubuntu,c=multiverse,b=amd64 origin archive.ubuntu.com 500 http://archive.ubuntu.com/ubuntu cosmic-proposed/universe i386 Packages release v=18.10,o=Ubuntu,a=cosmic-proposed,n=cosmic,l=Ubuntu,c=universe,b=i386 origin archive.ubuntu.com 500 http://archive.ubuntu.com/ubuntu cosmic-proposed/universe amd64 Packages release v=18.10,o=Ubuntu,a=cosmic-proposed,n=cosmic,l=Ubuntu,c=universe,b=amd64 origin archive.ubuntu.com 500 http://archive.ubuntu.com/ubuntu cosmic-security/multiverse i386 Packages release v=18.10,o=Ubuntu,a=cosmic-security,n=cosmic,l=Ubuntu,c=multiverse,b=i386 origin archive.ubuntu.com 500 http://archive.ubuntu.com/ubuntu cosmic-security/multiverse amd64 Packages release v=18.10,o=Ubuntu,a=cosmic-security,n=cosmic,l=Ubuntu,c=multiverse,b=amd64 origin archive.ubuntu.com 500 http://archive.ubuntu.com/ubuntu cosmic-security/universe i386 Packages release v=18.10,o=Ubuntu,a=cosmic-security,n=cosmic,l=Ubuntu,c=universe,b=i386 origin archive.ubuntu.com 500 http://archive.ubuntu.com/ubuntu cosmic-security/universe amd64 Packages release v=18.10,o=Ubuntu,a=cosmic-security,n=cosmic,l=Ubuntu,c=universe,b=amd64 origin archive.ubuntu.com 500 http://archive.ubuntu.com/ubuntu cosmic-security/main i386 Packages release v=18.10,o=Ubuntu,a=cosmic-security,n=cosmic,l=Ubuntu,c=main,b=i386 origin archive.ubuntu.com 500 http://archive.ubuntu.com/ubuntu cosmic-security/main amd64 Packages release v=18.10,o=Ubuntu,a=cosmic-security,n=cosmic,l=Ubuntu,c=main,b=amd64 origin archive.ubuntu.com 500 http://archive.canonical.com/ubuntu cosmic/partner i386 Packages release v=18.10,o=Canonical,a=cosmic,n=cosmic,l=Partner archive,c=partner,b=i386 origin archive.canonical.com 500 http://archive.canonical.com/ubuntu cosmic/partner amd64 Packages release v=18.10,o=Canonical,a=cosmic,n=cosmic,l=Partner archive,c=partner,b=amd64 origin archive.canonical.com 500 http://archive.ubuntu.com/ubuntu cosmic-updates/multiverse i386 Packages release v=18.10,o=Ubuntu,a=cosmic-updates,n=cosmic,l=Ubuntu,c=multiverse,b=i386 origin archive.ubuntu.com 500 http://archive.ubuntu.com/ubuntu cosmic-updates/multiverse amd64 Packages release v=18.10,o=Ubuntu,a=cosmic-updates,n=cosmic,l=Ubuntu,c=multiverse,b=amd64 origin archive.ubuntu.com 500 http://archive.ubuntu.com/ubuntu cosmic-updates/universe i386 Packages release v=18.10,o=Ubuntu,a=cosmic-updates,n=cosmic,l=Ubuntu,c=universe,b=i386 origin archive.ubuntu.com 500 http://archive.ubuntu.com/ubuntu cosmic-updates/universe amd64 Packages release v=18.10,o=Ubuntu,a=cosmic-updates,n=cosmic,l=Ubuntu,c=universe,b=amd64 origin archive.ubuntu.com 500 http://archive.ubuntu.com/ubuntu cosmic-updates/main i386 Packages release v=18.10,o=Ubuntu,a=cosmic-updates,n=cosmic,l=Ubuntu,c=main,b=i386 origin archive.ubuntu.com 500 http://archive.ubuntu.com/ubuntu cosmic-updates/main amd64 Packages release v=18.10,o=Ubuntu,a=cosmic-updates,n=cosmic,l=Ubuntu,c=main,b=amd64 origin archive.ubuntu.com 500 http://archive.ubuntu.com/ubuntu cosmic/multiverse i386 Packages release v=18.10,o=Ubuntu,a=cosmic,n=cosmic,l=Ubuntu,c=multiverse,b=i386 origin archive.ubuntu.com 500 http://archive.ubuntu.com/ubuntu cosmic/multiverse amd64 Packages release v=18.10,o=Ubuntu,a=cosmic,n=cosmic,l=Ubuntu,c=multiverse,b=amd64 origin archive.ubuntu.com 500 http://archive.ubuntu.com/ubuntu cosmic/universe i386 Packages release v=18.10,o=Ubuntu,a=cosmic,n=cosmic,l=Ubuntu,c=universe,b=i386 origin archive.ubuntu.com 500 http://archive.ubuntu.com/ubuntu cosmic/universe amd64 Packages release v=18.10,o=Ubuntu,a=cosmic,n=cosmic,l=Ubuntu,c=universe,b=amd64 origin archive.ubuntu.com 500 http://archive.ubuntu.com/ubuntu cosmic/restricted i386 Packages release v=18.10,o=Ubuntu,a=cosmic,n=cosmic,l=Ubuntu,c=restricted,b=i386 origin archive.ubuntu.com 500 http://archive.ubuntu.com/ubuntu cosmic/restricted amd64 Packages release v=18.10,o=Ubuntu,a=cosmic,n=cosmic,l=Ubuntu,c=restricted,b=amd64 origin archive.ubuntu.com 500 http://archive.ubuntu.com/ubuntu cosmic/main i386 Packages release v=18.10,o=Ubuntu,a=cosmic,n=cosmic,l=Ubuntu,c=main,b=i386 origin archive.ubuntu.com 500 http://archive.ubuntu.com/ubuntu cosmic/main amd64 Packages release v=18.10,o=Ubuntu,a=cosmic,n=cosmic,l=Ubuntu,c=main,b=amd64 origin archive.ubuntu.com ====================================================================== $ apt policy libgl1-mesa-dri:i386 libgl1-mesa-dri:i386: Installed: (none) Candidate: 18.2.2-0ubuntu1 Version table: 18.2.2-0ubuntu1 500 500 http://archive.ubuntu.com/ubuntu cosmic/main i386 Packages ====================================================================== $ apt policy libllvm7:i386 libllvm7:i386: Installed: (none) Candidate: 1:7-3 Version table: 1:7-3 500 500 http://archive.ubuntu.com/ubuntu cosmic/main i386 Packages ====================================================================== $ sudo apt install libllvm7:i386 Reading package lists... Done Building dependency tree Reading state information... Done The following packages were automatically installed and are no longer required: folks-common fprintd fswebcam gdal-data gir1.2-gfbgraph-0.2 gir1.2-rest-0.7 gnome-todo-common gnome-video-effects liba52-0.7.4 libaec0 libaribb24-0 libarmadillo9 libarpack2 libass9 libatk-bridge2.0-dev libatspi2.0-dev libavcodec-dev libavfilter7 libavformat-dev libavresample-dev libavresample4 libavutil-dev libbasicusageenvironment1 libbrotli1 libbs2b0 libcddb2 libcharls1 libdap25 libdapclient6v5 libdbus-1-dev libdc1394-22 libdc1394-22-dev libdca0 libde265-0 libdouble-conversion1 libdrm-dev libdvbpsi10 libdvdnav4 libdvdread4 libebml4v5 libedata-cal-1.2-29 libepsilon1 libevent-core-2.1-6 libevent-pthreads-2.1-6 libexif-dev libexif-doc libfaad2 libfabric1 libflite1 libfolks25 libfprint0 libfreexl1 libfyba0 libgdal20 libgdcm2-dev libgdcm2.8 libgeos-3.6.2 libgeos-c1v5 libgeotiff2 libgfbgraph-0.2-0 libgif7 libgles1 libglvnd-core-dev libgnome-todo libgphoto2-dev libgraphene-1.0-0 libgroupsock8 libhdf4-0-alt libhdf5-100 libhdf5-openmpi-100 libheif1 libhwloc-plugins libhwloc5 libilmbase-dev libjavascriptcoregtk-1.0-0 libjbig-dev libjpeg-dev libjpeg-turbo8-dev libjpeg8-dev libkate1 libkmlbase1 libkmldom1 libkmlengine1 liblept5 liblilv-0-0 liblivemedia64 liblua5.2-0 liblzma-dev libmad0 libmatroska6v5 libmicrodns0 libminizip1 libmpcdec6 libmpeg2-4 libmypaint libmysofa0 libnetcdf-c++4 libnetcdf13 libnfs11 libnorm1 libodbc1 libogdi3.2 libopenal-data libopenal1 libopencv-calib3d-dev libopencv-calib3d3.2 libopencv-core-dev libopencv-core3.2 libopencv-features2d-dev libopencv-features2d3.2 libopencv-flann-dev libopencv-flann3.2 libopencv-highgui-dev libopencv-highgui3.2 libopencv-imgcodecs-dev libopencv-imgcodecs3.2 libopencv-imgproc-dev libopencv-imgproc3.2 libopencv-ml-dev libopencv-ml3.2 libopencv-objdetect-dev libopencv-objdetect3.2 libopencv-photo-dev libopencv-photo3.2 libopencv-shape-dev libopencv-shape3.2 libopencv-stitching-dev libopencv-stitching3.2 libopencv-superres-dev libopencv-superres3.2 libopencv-ts-dev libopencv-video-dev libopencv-video3.2 libopencv-videoio-dev libopencv-videoio3.2 libopencv-videostab-dev libopencv-videostab3.2 libopenexr-dev libopengl0 libopenmpi3 libopenmpt-modplug1 libpam-fprintd libpam-python libpgm-5.2-0 libplacebo5 libpmix2 libpostproc55 libpq5 libproj13 libprotobuf-lite10 libproxy-tools libpsm-infinipath1 libpsm2-2 libqhull7 libqscintilla2-qt5-l10n libqt5concurrent5 libqt5core5a libqt5dbus5 libqt5network5 libqt5sql5 libqt5sql5-sqlite libqt5test5 libqt5xml5 libquazip5-1 libraw1394-dev libraw1394-tools librdmacm1 libresid-builder0c2a librubberband2 libsdl-image1.2 libsdl2-2.0-0 libserd-0-0 libsidplay2 libsndio7.0 libsocket++1 libsord-0-0 libspatialaudio0 libspatialite7 libsratom-0-0 libsuperlu5 libswresample-dev libswscale-dev libsysmetrics1 libsz2 libtbb-dev libtbb2 libtcl8.6 libtesseract4 libtiff-dev libtiff5-dev libtiffxx5 libtk8.6 libupnp6 liburiparser1 libusageenvironment3 libvlc-bin libvlc5 libvlccore9 libvulkan1 libwayland-bin libwayland-dev libwoff1 libx11-xcb-dev libxcb-dri2-0-dev libxcb-dri3-dev libxcb-glx0-dev libxcb-present-dev libxcb-randr0-dev libxcb-shape0-dev libxcb-sync-dev libxcb-xfixes0-dev libxcb-xinerama0 libxerces-c3.2 libxkbcommon-dev libxshmfence-dev libxtst-dev libxxf86vm-dev libzmq5 mesa-common-dev mypaint-brushes nomacs-l10n ocl-icd-libopencl1 odbcinst odbcinst1debian2 opencv-data openmpi-bin openmpi-common proj-bin proj-data python-dbus.mainloop.pyqt5 python-gtk2 python-sip qttranslations5-l10n streamer switcheroo-control vlc-bin vlc-data vlc-l10n vlc-plugin-base vlc-plugin-notify vlc-plugin-samba vlc-plugin-video-splitter wayland-protocols x11proto-record-dev x11proto-xf86vidmode-dev xawtv-plugins Use 'sudo apt autoremove' to remove them. The following additional packages will be installed: gcc-8-base:i386 libc6:i386 libedit2:i386 libffi6:i386 libgcc1:i386 libidn2-0:i386 libstdc++6:i386 libtinfo6:i386 libunistring2:i386 policykit-1-gnome zlib1g:i386 Suggested packages: glibc-doc:i386 locales:i386 The following packages will be REMOVED: apturl cheese chrome-gnome-shell evolution-data-server ffmpeg gdm3 gimp gir1.2-champlain-0.12 gir1.2-clutter-1.0 gir1.2-cogl-1.0 gir1.2-coglpango-1.0 gir1.2-gst-plugins-base-1.0 gir1.2-gtkchamplain-0.12 gir1.2-gtkclutter-1.0 gir1.2-mutter-2 gir1.2-mutter-3 gir1.2-webkit2-4.0 gnome-2048 gnome-calendar gnome-control-center gnome-getting-started-docs gnome-initial-setup gnome-maps gnome-online-accounts gnome-session-bin gnome-shell gnome-startup-applications gnome-todo gnome-user-docs gnome-user-guide gstreamer1.0-clutter-3.0 gstreamer1.0-gl gvfs gvfs-backends gvfs-daemons gvfs-fuse howdy libavdevice58 libchamplain-0.12-0 libchamplain-gtk-0.12-0 libcheese-gtk25 libcheese8 libclutter-1.0-0 libclutter-gst-3.0-0 libclutter-gtk-1.0-0 libcogl-pango20 libcogl-path20 libcogl20 libedataserverui-1.2-2 libegl1-mesa-dev libepoxy-dev libfolks-eds25 libgl1 libgl1-mesa-dev libgl1-mesa-dri libgl1-mesa-glx libgl2ps1.4 libglu1-mesa libglvnd-dev libglx-mesa0 libglx0 libgoa-backend-1.0-1 libgstreamer-gl1.0-0 libgtk-3-dev libllvm7 libmutter-2-0 libmutter-3-0 libopencv-contrib-dev libopencv-contrib3.2 libopencv-dev libopencv-viz-dev libopencv-viz3.2 libopencv3.2-java libopencv3.2-jni libqscintilla2-qt5-13 libqt5designer5 libqt5gui5 libqt5help5 libqt5printsupport5 libqt5svg5 libqt5widgets5 libqt5x11extras5 libvtk6.3 libwebkit2gtk-4.0-37 libwebkitgtk-1.0-0 libyelp0 mesa-va-drivers mesa-vdpau-drivers mutter nautilus nautilus-share nomacs pulseaudio-equalizer python-opencv python-pyqt5 qt5-gtk-platformtheme qt5-image-formats-plugins sqlitebrowser ubuntu-desktop ubuntu-docs ubuntu-release-upgrader-gtk ubuntu-session update-manager update-notifier va-driver-all vdpau-driver-all vlc vlc-plugin-qt vlc-plugin-skins2 vlc-plugin-video-output vlc-plugin-visualization x11-utils xorg xserver-xephyr xserver-xorg xserver-xorg-core xserver-xorg-input-all xserver-xorg-input-libinput xserver-xorg-input-wacom xserver-xorg-video-fbdev xserver-xorg-video-intel xserver-xorg-video-vesa xwayland yelp zenity The following NEW packages will be installed: gcc-8-base:i386 libc6:i386 libedit2:i386 libffi6:i386 libgcc1:i386 libidn2-0:i386 libllvm7:i386 libstdc++6:i386 libtinfo6:i386 libunistring2:i386 policykit-1-gnome zlib1g:i386 0 upgraded, 12 newly installed, 125 to remove and 0 not upgraded. Need to get 21.4 MB of archives. After this operation, 612 MB disk space will be freed. Do you want to continue? [Y/n] ====================================================================== $ sudo apt install libgl1-mesa-dri:i386 Reading package lists... Done Building dependency tree Reading state information... Done Some packages could not be installed. This may mean that you have requested an impossible situation or if you are using the unstable distribution that some required packages have not yet been created or been moved out of Incoming. The following information may help to resolve the situation: The following packages have unmet dependencies: libgl1-mesa-dri:i386 : Depends: libllvm7:i386 (>= 1:7~svn298832-1~) but it is not going to be installed E: Unable to correct problems, you have held broken packages. ** Changed in: mesa (Ubuntu) Status: Invalid => New -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to mesa in Ubuntu. https://bugs.launchpad.net/bugs/1803849 Title: libgl1-mesa-dri:i386 can not be installed To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/mesa/+bug/1803849/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp