I'm using ubuntu 16.04 dual boot with windows 10. While installing any programs it show me error like you have unmet dependencies. so i try many thing like :
apt-get update
apt-get upgrade
apt-get dist-upgrade
apt-get install -f
apt-get clean
apt-get autoclean
apt-get autoremove
dpkg --configure -a
But not working. when i try sudo apt-get upgrade
it show error like
Reading package lists... Done
Building dependency tree
Reading state information... Done
You might want to run 'apt-get -f install' to correct these.
The following packages have unmet dependencies:
libcogl20 : Depends: libgbm1 (>= 8.1~0)
libegl1-mesa : Depends: libgbm1 (= 12.0.6-0ubuntu0.16.04.1)
libqt5gui5 : Depends: libgbm1 (>= 8.1~0)
xserver-xorg-core-hwe-16.04 : Depends: libgbm1 (>= 8.1~0)
xserver-xorg-video-amdgpu-hwe-16.04 : Depends: libgbm1 (>= 8.1~0)
E: Unmet dependencies. Try using -f.
sudo apt-get -f install give me error like :
Reading package lists... Done
Building dependency tree
Reading state information... Done
Correcting dependencies... failed.
The following packages have unmet dependencies:
libcogl20 : Depends: libgbm1 (>= 8.1~0)
libegl1-mesa : Depends: libgbm1 (= 12.0.6-0ubuntu0.16.04.1)
libqt5gui5 : Depends: libgbm1 (>= 8.1~0)
xserver-xorg-core-hwe-16.04 : Depends: libgbm1 (>= 8.1~0)
xserver-xorg-video-amdgpu-hwe-16.04 : Depends: libgbm1 (>= 8.1~0)
E: Error, pkgProblemResolver::Resolve generated breaks, this may be caused by held packages.
E: Unable to correct dependencies
sudo dpkg --configure -a
, thensudo apt update
, nextsudo apt dist-upgrade
– George Udosen May 28 '17 at 18:26apt-cache policy libgbm1
– doug May 28 '17 at 18:44