Software rendering is a better bet if DKMS fails, as nouveau can cause
problems when dealing with (partially?) supported GPUs. I introduced that
change in bionic, but then I reverted that behaviour, also because it would
cause problems to hybrid graphics.

I don't think users relying on something that is broken should hold us
back. If anything, the fallback would cause users to file bug reports
(about graphics corruption, increased power consumption, etc.) against
nvidia, where these would be really nouveau's.

On Thu, 16 Aug 2018 at 00:36, Steve Langasek <steve.langa...@canonical.com>
wrote:

> Bug description says:
>
> > [Regression Potential]
> > Low, as hybrid graphics support does not work correctly, and the changes
> only affect
> > this use case.
>
> Dropping the nvidia-fallback service means that any time the nvidia
> module has failed to be loaded, including if the nvidia module has
> failed to build for any reason, the nouveau module will not be loaded in
> its place.  This is a behavior change that potentially affects users
> other than those with hybrid graphics.  Is that a concern?  How long has
> the existing behavior been there, and what are the chances that users
> may be inadvertently relying on the current fallback behavior without
> knowing it?
>
> ** Changed in: nvidia-graphics-drivers-390 (Ubuntu Bionic)
>        Status: In Progress => Incomplete
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/1778011
>
> Title:
>   SRU: PRIME Power Saving mode draws too much power
>
> To manage notifications about this bug go to:
> https://bugs.launchpad.net/ubuntu/+source/gdm3/+bug/1778011/+subscriptions
>
> Launchpad-Notification-Type: bug
> Launchpad-Bug: distribution=ubuntu; sourcepackage=gdm3; component=main;
> status=Fix Released; importance=High; assignee=
> alberto.mil...@canonical.com;
> Launchpad-Bug: distribution=ubuntu;
> sourcepackage=nvidia-graphics-drivers-390; component=restricted; status=Fix
> Released; importance=High; assignee=alberto.mil...@canonical.com;
> Launchpad-Bug: distribution=ubuntu; sourcepackage=nvidia-prime;
> component=main; status=Fix Released; importance=High; assignee=
> alberto.mil...@canonical.com;
> Launchpad-Bug: distribution=ubuntu; sourcepackage=nvidia-settings;
> component=main; status=Fix Released; importance=High; assignee=
> alberto.mil...@canonical.com;
> Launchpad-Bug: distribution=ubuntu; sourcepackage=ubuntu-drivers-common;
> component=main; status=Fix Released; importance=High; assignee=
> alberto.mil...@canonical.com;
> Launchpad-Bug: distribution=ubuntu; distroseries=bionic;
> sourcepackage=gdm3; component=main; status=In Progress; importance=High;
> assignee=alberto.mil...@canonical.com;
> Launchpad-Bug: distribution=ubuntu; distroseries=bionic;
> sourcepackage=nvidia-graphics-drivers-390; component=restricted;
> status=Incomplete; importance=High; assignee=alberto.mil...@canonical.com;
> Launchpad-Bug: distribution=ubuntu; distroseries=bionic;
> sourcepackage=nvidia-prime; component=main; status=In Progress;
> importance=High; assignee=alberto.mil...@canonical.com;
> Launchpad-Bug: distribution=ubuntu; distroseries=bionic;
> sourcepackage=nvidia-settings; component=main; status=In Progress;
> importance=High; assignee=alberto.mil...@canonical.com;
> Launchpad-Bug: distribution=ubuntu; distroseries=bionic;
> sourcepackage=ubuntu-drivers-common; component=main; status=In Progress;
> importance=High; assignee=alberto.mil...@canonical.com;
> Launchpad-Bug-Information-Type: Public
> Launchpad-Bug-Private: no
> Launchpad-Bug-Security-Vulnerability: no
> Launchpad-Bug-Commenters: albertomilone andrebrait cantfind ilvipero
> janitor vorlon
> Launchpad-Bug-Reporter: Alberto Milone (albertomilone)
> Launchpad-Bug-Modifier: Steve Langasek (vorlon)
> Launchpad-Message-Rationale: Subscriber
> Launchpad-Message-For: albertomilone
>


-- 
Alberto Milone

-- 
You received this bug notification because you are a member of Ubuntu
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https://bugs.launchpad.net/bugs/1778011

Title:
  SRU: PRIME Power Saving mode draws too much power

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