[Desktop-packages] [Bug 1252536] Re: Supported Radeon 9550 very slow with Unity in 13.10, no 3D acceleration

Installing lightdm-gtk-greeter also makes this problem go away -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to lightdm in Ubuntu. https://bugs.launchpad.net/bugs/1252536 Title: Supported Radeon 9550 very slow with Unity in 13.10, no

[Desktop-packages] [Bug 1240428] Re: Radeon drivers not loaded properly after upgrading to Saucy

I have a similar issue. My current installation is an upgrade from 13.04. Was your reinstall a clean reinstall? Thanks -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to xserver-xorg-video-ati in Ubuntu.

[Desktop-packages] [Bug 1252536] Re: Radeon 9550 fails in lightdm with Unity in 13.10

** Summary changed: - Radeon 9550 fails to support Unity with lightdm in 13.10 + Radeon 9550 fails in lightdm with Unity in 13.10 ** Summary changed: - Radeon 9550 fails in lightdm with Unity in 13.10 + Supported Radeon 9550 very slow with Unity in 13.10, no 3D acceleration -- You received

[Desktop-packages] [Bug 1252536] [NEW] Radeon 9550 fails to support Unity with lightdm in 13.10

Public bug reported: Dramatically slower graphics performance after going from Ubuntu 13.04 to 13.10. After some debugging (below) I installed gdm and the problem went away. lspci -nn | grep VGA 01:00.0 VGA compatible controller [0300]: Advanced Micro Devices, Inc. [AMD/ATI] RV350 [Radeon