Output when attempting to run optirun and the involved card information.

bumblebee-amd-git bug

$ optirun --debug glxgears
[  682.669476] [DEBUG]optirun version 3.0-51-ga00f533 starting...
[  682.669494] [DEBUG]Active configuration:
[  682.669497] [DEBUG] bumblebeed config file: /etc/bumblebee/bumblebee.conf
[  682.669500] [DEBUG] X display: :8
[  682.669503] [DEBUG] LD_LIBRARY_PATH: 
[  682.669505] [DEBUG] Socket path: /var/run/bumblebee.socket
[  682.669507] [DEBUG] VGL Compression: proxy
[  682.686906] [INFO]Response: No - error: [XORG] (EE) RADEON(0): [drm] failed to set drm interface version.

[  682.686936] [ERROR]Cannot access secondary GPU - error: [XORG] (EE) RADEON(0): [drm] failed to set drm interface version.

[  682.686941] [DEBUG]Socket closed.
[  682.686960] [ERROR]Aborting because fallback start is disabled.
[  682.686966] [DEBUG]Killing all remaining processes.
$ xrandr --listproviders 
Providers: number : 2
Provider 0: id: 0x70 cap: 0xb, Source Output, Sink Output, Sink Offload crtcs: 3 outputs: 8 associated providers: 1 name:Intel
Provider 1: id: 0x45 cap: 0xf, Source Output, Sink Output, Source Offload, Sink Offload crtcs: 6 outputs: 0 associated providers: 1 name:radeon
$ lspci | grep VGA
00:02.0 VGA compatible controller: Intel Corporation 3rd Gen Core processor Graphics Controller (rev 09)
01:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Heathrow PRO [Radeon HD 7850M/8850M]