Comment 28 for bug 1470862

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Alexander Chepurko (alexander-chepurko) wrote :

The open source AMD drivers are not a solution; I was obliged to switch to proprietary drivers because X/lightdm kept crashing on startup leaving me only with VTs to trouble shoot. Now with the proprietary drivers I can't see the VTs.

The open source drivers every once in a while stopped loading the lightdm greeter. Reinstalling/reconfiguring lightdm and other steps didn't fix the problem. The /var/log/lightdm logs showed errors "Segmentation fault" in the x-0.log and "Process xxxx terminated with signal 6" in the lightdm.log.

My system:

$ uname -a
Linux trustycrucial 3.13.0-85-generic #129-Ubuntu SMP Thu Mar 17 20:50:15 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux

$ lspci -nn | grep VGA
01:00.0 VGA compatible controller [0300]: Advanced Micro Devices, Inc. [AMD/ATI] Juniper XT [Radeon HD 5770] [1002:68b8]
02:00.0 VGA compatible controller [0300]: Advanced Micro Devices, Inc. [AMD/ATI] Juniper XT [Radeon HD 5770] [1002:68b8]