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[santiago <1376476@xxxxxxxxxxxxxxxxxx>]

Public bug reported:

I am using an Nvidia Tesla GPU unit C2070 for numerical calculations
exclusively.  I have installed the cuda 6.5 toolkit which includes the
Nvidia drivers. My system also has an Intel video card that I use for
display. The only way to make cuda and the intel display is to work
together is by means of a custom xorg.conf, forcing the X server to work
on the Intel card and the Cuda applications on the Nvidia Tesla unit.

Once I have done the required changes to xorg.conf I reboot, X crashes
and the changes to xorg.conf are gone. According to the gpu-manager log,
it modified the file... Wouldn't it be a simple matter to include a
config file option to tell  gpu-manager not to modify xorg.conf when
needed?

I just upgraded from 12.04 to 14.04, gpu-manager version is 1:0.2.91.7 .
Any help is appreciated, thanks!

-Santiago

** Affects: ubuntu-drivers-common (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1376476

Title:
  custom xorg.conf still gets overwritten by gpu-manager

Status in “ubuntu-drivers-common” package in Ubuntu:
  New

Bug description:
  I am using an Nvidia Tesla GPU unit C2070 for numerical calculations
  exclusively.  I have installed the cuda 6.5 toolkit which includes the
  Nvidia drivers. My system also has an Intel video card that I use for
  display. The only way to make cuda and the intel display is to work
  together is by means of a custom xorg.conf, forcing the X server to
  work on the Intel card and the Cuda applications on the Nvidia Tesla
  unit.

  Once I have done the required changes to xorg.conf I reboot, X crashes
  and the changes to xorg.conf are gone. According to the gpu-manager
  log, it modified the file... Wouldn't it be a simple matter to include
  a config file option to tell  gpu-manager not to modify xorg.conf when
  needed?

  I just upgraded from 12.04 to 14.04, gpu-manager version is 1:0.2.91.7
  . Any help is appreciated, thanks!

  -Santiago

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