lspci and lshw show 2 GPUs. The builtin one, and the actual card, but xrandr only lists one provider.
$ xrandr --listproviders Providers: number : 1 Provider 0: id: 0x56 cap: 0x9, Source Output, Sink Offload crtcs: 4 outputs: 3 associated providers: 0 name:KAVERI @ pci:0000:00:01.0 Might be a bug in the radeon driver? ** Also affects: lightdm Importance: Undecided Status: New ** Also affects: xserver-xorg-driver-radeonhd Importance: Undecided Status: New ** Attachment added: "lspci -vvv" https://bugs.launchpad.net/xserver-xorg-driver-radeonhd/+bug/1692437/+attachment/4881502/+files/lspci.txt -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1692437 Title: Monitors on second GPU not working after upgrade to zesty To manage notifications about this bug go to: https://bugs.launchpad.net/lightdm/+bug/1692437/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs