since sys-cluster/drbd-utils can replace sys-cluster/drbd (they are mutually exclusive) app-emulation/ganeti-2.14.1-r1 ebuild need to tweak his drbd dependencie: 118c118 < drbd? ( <sys-cluster/drbd-8.5 ) --- > drbd? ( || ( <sys-cluster/drbd-8.5 =sys-cluster/drbd-utils-8.9.3 ) ) Reproducible: Always Steps to Reproduce: 1. emerge -C sys-cluster/drbd 2. emerge sys-cluster/drbd-utils 3. emerge ganeti Actual Results: # emerge -av ganeti These are the packages that would be merged, in reverse order: Calculating dependencies ... done! [ebuild R ] app-emulation/ganeti-2.14.1-r1::gentoo USE="drbd haskell-daemons htools ipv6 kvm monitoring multiple-users rbd syslog -lxc {-test} -xen" PYTHON_TARGETS="python2_7" 0 KiB [ebuild N ] sys-cluster/drbd-8.4.3::gentoo USE="udev -heartbeat -pacemaker -xen" 673 KiB [blocks B ] sys-cluster/drbd ("sys-cluster/drbd" is hard blocking sys-cluster/drbd-utils-8.9.3) Total: 2 packages (1 new, 1 reinstall), Size of downloads: 673 KiB Conflict: 1 block (1 unsatisfied) * Error: The above package list contains packages which cannot be * installed at the same time on the same system. (sys-cluster/drbd-8.4.3:0/0::gentoo, ebuild scheduled for merge) pulled in by <sys-cluster/drbd-8.5 required by (app-emulation/ganeti-2.14.1-r1:0/0::gentoo, ebuild scheduled for merge) For more information about Blocked Packages, please refer to the following section of the Gentoo Linux x86 Handbook (architecture is irrelevant): https://wiki.gentoo.org/wiki/Handbook:X86/Working/Portage#Blocked_packages Expected Results: emerge -av ganeti These are the packages that would be merged, in reverse order: Calculating dependencies ... done! [ebuild U ] app-emulation/ganeti-2.14.1-r2::zentoo [2.14.1-r1::gentoo] USE="drbd haskell-daemons htools ipv6 kvm monitoring multiple-users rbd syslog -lxc {-test} -xen" PYTHON_TARGETS="python2_7" 0 KiB Total: 1 package (1 upgrade), Size of downloads: 0 KiB Would you like to merge these packages? [Yes/No] Related to https://bugs.gentoo.org/show_bug.cgi?id=513928
this is fixed in ganeti-2.15.2