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[teo1978 <teo8976@xxxxxxxxx>]

> From a *technical* perspective, the Optimus issue is an entirely unrelated bug. 
> The fact that it's triggered by the present fix does not matter a this stage.

I was not talking about the Optimus issue (I never argued that should be part of this issue, though I admit I did make some OT comment about that).
I was talking about the fact that the update that fixes THIS very issue causes the reenabling of NVidia drivers which were previously disabled, hence changing  a system configuration that should not be touched.

But anyway, since I've been told that the fact that the fix to this bug
is broken is a separate bug, I've filed a separate bug. That wouldn't
have generated such a long exchange if Alberto didn't insist in claiming
that the fix is not broken at all, that everything is ok, and that there
is no additional problem to be fixed.

-- 
You received this bug notification because you are a member of Desktop
Packages, which is subscribed to nvidia-graphics-drivers-331 in Ubuntu.
https://bugs.launchpad.net/bugs/1431753

Title:
  Nvidia binary driver FTBS due to DKMS layer violation

Status in nvidia-graphics-drivers-331 package in Ubuntu:
  Invalid
Status in nvidia-graphics-drivers-331-updates package in Ubuntu:
  Invalid
Status in nvidia-graphics-drivers-340 package in Ubuntu:
  Fix Released
Status in nvidia-graphics-drivers-340-updates package in Ubuntu:
  Fix Released
Status in nvidia-graphics-drivers-346 package in Ubuntu:
  Fix Released
Status in nvidia-graphics-drivers-346-updates package in Ubuntu:
  Fix Released
Status in nvidia-graphics-drivers-331 source package in Trusty:
  Invalid
Status in nvidia-graphics-drivers-331-updates source package in Trusty:
  Invalid
Status in nvidia-graphics-drivers-340 source package in Trusty:
  Fix Released
Status in nvidia-graphics-drivers-340-updates source package in Trusty:
  Fix Released
Status in nvidia-graphics-drivers-346 source package in Trusty:
  Fix Released
Status in nvidia-graphics-drivers-346-updates source package in Trusty:
  Fix Released

Bug description:
  Filing this against the 340-updates version but possibly the same
  applies to older versions, too. The nvidia source package produces two
  individual dkms packages: nvidia-340-updates, nvidia-340-updates-uvm.
  The problem is that the DKMS build of the nvidia-uvm module runs
  compile steps inside the nvidia modules build directory. This is
  violating the DKMS assumption that each module can be build
  independently (there is no way of describing cross-modules
  dependencies and even more important, the autoinstall step after a new
  kernel is installed will run the modules build in parallel).

  Since nvidia and nvidia-uvm are very dependent on each other the right
  course of action seems to be to combine both sources in one DKMS
  module that produces two kernel modules (this is supported by DKMS).
  For the transition this resulting dkms package needs to have a
  breaks/replaces for the nvidia-uvm package.

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