Hello,

I installed Beowulf amd64 netinst and then installed Xorg and openbox
with apt-get. Startx grinds for a while then exits with an error. Here
is the end of the Xorg.0.log file:

[261220.123] (==) modeset(0): DPI set to (96, 96)
[261220.123] (II) Loading sub module "fb"
[261220.123] (II) LoadModule: "fb"
[261220.123] (II) Loading /usr/lib/xorg/modules/libfb.so
[261220.123] (II) Module fb: vendor="X.Org Foundation"
[261220.123]     compiled for 1.20.4, module version = 1.0.0
[261220.123]     ABI class: X.Org ANSI C Emulation, version 0.4
[261220.123] (II) UnloadModule: "fbdev"
[261220.123] (II) Unloading fbdev
[261220.123] (II) UnloadSubModule: "fbdevhw"
[261220.123] (II) Unloading fbdevhw
[261220.123] (II) UnloadModule: "vesa"
[261220.123] (II) Unloading vesa
[261220.123] (EE) modeset(0): drmSetMaster failed: Permission denied
[261220.123] (EE)
Fatal server error:
[261220.123] (EE) AddScreen/ScreenInit failed for driver 0
[261220.123] (EE)
[261220.123] (EE)
Please consult the The X.Org Foundation support
     at http://wiki.x.org
  for help.
[261220.123] (EE) Please also check the log file at 
"/home/fred/.local/share/xorg/Xorg.0.log" for additional information.
[261220.124] (EE)
[261220.135] (EE) Server terminated with error (1). Closing log file.

I don't know what drmSetMaster is. Where should I look for the problem?
Best regards,
Fred