[Kernel-packages] [Bug 1757180] Re: nvidia-prime can't switch off the discrete GPU

[Roman Dinga]

Same here, Asus N550JK with Nvidia 850M. After switch to Intel by
Nvidia-prime and restart, I can see huge consumption, around 22W. When I
disable nouveau completely, by disabling the Nvidia fallback service and
then turning off the GPU using old bbswitch, I get 11W which is normal
for this laptop with turned off GPU. So bbswitch still works, but
vgaswitcheroo doesn't. Pity that bumblebee doesn't work anymore...

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Title:
  nvidia-prime can't switch off the discrete GPU

Status in nvidia-prime package in Ubuntu:
  Fix Released
Status in nvidia-settings package in Ubuntu:
  Fix Released
Status in ubuntu-drivers-common package in Ubuntu:
  Fix Released

Bug description:
  nvidia-prime used to be able to switch off and on NVIDIA dGPU. Now, a
  change in the nvidia packaging, and a change of behaviour in logind,
  broke this feature.

To manage notifications about this bug go to:
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[Kernel-packages] [Bug 1757180] Re: nvidia-prime can't switch off the discrete GPU

[Stefan Girstmair]

I have the same issue. Ubuntu 18.04 with Nvidia 1070 MaxQ GPU. Have switched to 
intel GPU but still powerdrain is enormous so obvioulsy the nvidia card is 
still in use.
Powertop show me that the network interfaces wlp3s0 (iwlwifi) drains around 14W 
which cannot be true. So it also can't detect that its the nvidia card.

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Title:
  nvidia-prime can't switch off the discrete GPU

Status in nvidia-prime package in Ubuntu:
  Fix Released
Status in nvidia-settings package in Ubuntu:
  Fix Released
Status in ubuntu-drivers-common package in Ubuntu:
  Fix Released

Bug description:
  nvidia-prime used to be able to switch off and on NVIDIA dGPU. Now, a
  change in the nvidia packaging, and a change of behaviour in logind,
  broke this feature.

To manage notifications about this bug go to:
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[Kernel-packages] [Bug 1757180] Re: nvidia-prime can't switch off the discrete GPU

[Tom]

Confirm the issue seems everybody on 18.04 and Nvidia GeForce is
suffering...

Duplicates ? 
 
https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-drivers-390/+bug/1752053
   https://bugs.launchpad.net/ubuntu/+source/nvidia-prime/+bug/1765363

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Title:
  nvidia-prime can't switch off the discrete GPU

Status in nvidia-prime package in Ubuntu:
  Fix Released
Status in nvidia-settings package in Ubuntu:
  Fix Released
Status in ubuntu-drivers-common package in Ubuntu:
  Fix Released

Bug description:
  nvidia-prime used to be able to switch off and on NVIDIA dGPU. Now, a
  change in the nvidia packaging, and a change of behaviour in logind,
  broke this feature.

To manage notifications about this bug go to:
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[Kernel-packages] [Bug 1757180] Re: nvidia-prime can't switch off the discrete GPU

[Артем]

And more. Different output of the command: cat
/sys/kernel/debug/vgaswitcheroo/switch

nouveau driver:
0:IGD:+:Pwr::00:02.0
1:DIS: :DynOff::01:00.0

nvidia 390.48, after prime-select intel:
0:IGD:+:Pwr::00:02.0
1:DIS: :Off::01:00.0

You can see the different status of the discrete card. When "DunOff" it
really disconnected from the power supply, and in case of "Off" it
continues to consume energy.

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Title:
  nvidia-prime can't switch off the discrete GPU

Status in nvidia-prime package in Ubuntu:
  Fix Released
Status in nvidia-settings package in Ubuntu:
  Fix Released
Status in ubuntu-drivers-common package in Ubuntu:
  Fix Released

Bug description:
  nvidia-prime used to be able to switch off and on NVIDIA dGPU. Now, a
  change in the nvidia packaging, and a change of behaviour in logind,
  broke this feature.

To manage notifications about this bug go to:
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[Kernel-packages] [Bug 1757180] Re: nvidia-prime can't switch off the discrete GPU

[Артем]

After installing the switcheroo-control package, I got the same output as the 
Amir
But the discrete graphics card does not turn off. The fan rotates, the power 
consumption is at a high level.

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Title:
  nvidia-prime can't switch off the discrete GPU

Status in nvidia-prime package in Ubuntu:
  Fix Released
Status in nvidia-settings package in Ubuntu:
  Fix Released
Status in ubuntu-drivers-common package in Ubuntu:
  Fix Released

Bug description:
  nvidia-prime used to be able to switch off and on NVIDIA dGPU. Now, a
  change in the nvidia packaging, and a change of behaviour in logind,
  broke this feature.

To manage notifications about this bug go to:
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[Kernel-packages] [Bug 1757180] Re: nvidia-prime can't switch off the discrete GPU

[Amir]

Correction - after two restarts switching back and forth, the output is
as follows:

sudo cat /sys/kernel/debug/vgaswitcheroo/switch 
0:IGD:+:Pwr::00:02.0
1:DIS: :Off::01:00.0

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Title:
  nvidia-prime can't switch off the discrete GPU

Status in nvidia-prime package in Ubuntu:
  Fix Released
Status in nvidia-settings package in Ubuntu:
  Fix Released
Status in ubuntu-drivers-common package in Ubuntu:
  Fix Released

Bug description:
  nvidia-prime used to be able to switch off and on NVIDIA dGPU. Now, a
  change in the nvidia packaging, and a change of behaviour in logind,
  broke this feature.

To manage notifications about this bug go to:
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[Kernel-packages] [Bug 1757180] Re: nvidia-prime can't switch off the discrete GPU

[Amir]

This bug was not fixed. It still affects me. The GPU doesn't go off, so
the power consumption remains pretty high (and the fan keeps on going).

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Title:
  nvidia-prime can't switch off the discrete GPU

Status in nvidia-prime package in Ubuntu:
  Fix Released
Status in nvidia-settings package in Ubuntu:
  Fix Released
Status in ubuntu-drivers-common package in Ubuntu:
  Fix Released

Bug description:
  nvidia-prime used to be able to switch off and on NVIDIA dGPU. Now, a
  change in the nvidia packaging, and a change of behaviour in logind,
  broke this feature.

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/nvidia-prime/+bug/1757180/+subscriptions

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[Kernel-packages] [Bug 1757180] Re: nvidia-prime can't switch off the discrete GPU

[Артем]

I think I understand the error. Sorry for my English.
Ubuntu 18.04. After installing nvidia drivers, nouveau modules are added to the 
modprobe blacklist. The path /sys/kernel/debug/vgaswitcheroo/switch disappears. 
To turn off the nvidia graphics card, prime-select creates a symlink in 
/etc/systemd. It tries to write /sys/kernel/debug/vgaswitcheroo/switch, but 
there is no such path and nothing happens.

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Title:
  nvidia-prime can't switch off the discrete GPU

Status in nvidia-prime package in Ubuntu:
  Fix Released
Status in nvidia-settings package in Ubuntu:
  Fix Released
Status in ubuntu-drivers-common package in Ubuntu:
  Fix Released

Bug description:
  nvidia-prime used to be able to switch off and on NVIDIA dGPU. Now, a
  change in the nvidia packaging, and a change of behaviour in logind,
  broke this feature.

To manage notifications about this bug go to:
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[Kernel-packages] [Bug 1757180] Re: nvidia-prime can't switch off the discrete GPU

[yustnip]

I have this issue after the fresh install 18.04 too.

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Title:
  nvidia-prime can't switch off the discrete GPU

Status in nvidia-prime package in Ubuntu:
  Fix Released
Status in nvidia-settings package in Ubuntu:
  Fix Released
Status in ubuntu-drivers-common package in Ubuntu:
  Fix Released

Bug description:
  nvidia-prime used to be able to switch off and on NVIDIA dGPU. Now, a
  change in the nvidia packaging, and a change of behaviour in logind,
  broke this feature.

To manage notifications about this bug go to:
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[Kernel-packages] [Bug 1757180] Re: nvidia-prime can't switch off the discrete GPU

[Zac]

I reinstalled 16.04 and reinstalled nvidia drivers, and I was able to
properly disengage the discrete gpu under prime profiles.

This issue seems to only affect 18.04.

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Title:
  nvidia-prime can't switch off the discrete GPU

Status in nvidia-prime package in Ubuntu:
  Fix Released
Status in nvidia-settings package in Ubuntu:
  Fix Released
Status in ubuntu-drivers-common package in Ubuntu:
  Fix Released

Bug description:
  nvidia-prime used to be able to switch off and on NVIDIA dGPU. Now, a
  change in the nvidia packaging, and a change of behaviour in logind,
  broke this feature.

To manage notifications about this bug go to:
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[Kernel-packages] [Bug 1757180] Re: nvidia-prime can't switch off the discrete GPU

[Zac]

I seem to be having an issue like this as well. I did a fresh install of
18.04 yesterday, and while the nvidia x server application states that
the discrete gpu is turned off, i have a hardware light on my laptop
that shows it to still be active, even though the nvidia x server
settings show the integrated gpu to be in use, and there's additional
fan noise and heat that typically accompanies the discrete gpu when the
internal is selected.

intel i-5 2410M
nvidia 550M

according to nvidia, the 390 drivers are appropriate compatable with my
hardware.

16.04 did not share this error, and when the discrete gpu was
deactivated to run the integrated gpu, it would truly switch off.

Is there another fix for this?

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Title:
  nvidia-prime can't switch off the discrete GPU

Status in nvidia-prime package in Ubuntu:
  Fix Released
Status in nvidia-settings package in Ubuntu:
  Fix Released
Status in ubuntu-drivers-common package in Ubuntu:
  Fix Released

Bug description:
  nvidia-prime used to be able to switch off and on NVIDIA dGPU. Now, a
  change in the nvidia packaging, and a change of behaviour in logind,
  broke this feature.

To manage notifications about this bug go to:
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[Kernel-packages] [Bug 1757180] Re: nvidia-prime can't switch off the discrete GPU

[YAFU]

Well, I have been able to solve the problem and I am able to use nvidia driver 
again. The problem is that nvidia-prime blacklist nvidia driver. The file is 
"/etc/modprobe.d/blacklist-nvidia.conf" with content:
# Do not modify
# This file was generated by nvidia-prime
blacklist nvidia
blacklist nvidia-drm
blacklist nvidia-modeset
alias nvidia off
alias nvidia-drm off
alias nvidia-modeset off

File was never re-established, even when uninstalling/purging nvidia-
prime package. I think that this file should be re-established/deleted
when you uninstall nvidia-prime.

Thanks Alberto and other maintainers for your hard work maintaining
nvidia packages (

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Title:
  nvidia-prime can't switch off the discrete GPU

Status in nvidia-prime package in Ubuntu:
  Fix Released
Status in nvidia-settings package in Ubuntu:
  Fix Released
Status in ubuntu-drivers-common package in Ubuntu:
  Fix Released

Bug description:
  nvidia-prime used to be able to switch off and on NVIDIA dGPU. Now, a
  change in the nvidia packaging, and a change of behaviour in logind,
  broke this feature.

To manage notifications about this bug go to:
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[Kernel-packages] [Bug 1757180] Re: nvidia-prime can't switch off the discrete GPU

[YAFU]

(after entering user key) must be > (after entering my user password)

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Title:
  nvidia-prime can't switch off the discrete GPU

Status in nvidia-prime package in Ubuntu:
  Fix Released
Status in nvidia-settings package in Ubuntu:
  Fix Released
Status in ubuntu-drivers-common package in Ubuntu:
  Fix Released

Bug description:
  nvidia-prime used to be able to switch off and on NVIDIA dGPU. Now, a
  change in the nvidia packaging, and a change of behaviour in logind,
  broke this feature.

To manage notifications about this bug go to:
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[Kernel-packages] [Bug 1757180] Re: nvidia-prime can't switch off the discrete GPU

[YAFU]

Hi.
I do not know if I am currently being affected by the same Bug. My system is:
intel i7 3770 (HD4000 igpu)
nvidia GTX 960

I have Kubuntu 18.04 updated to date. I was using 390.48 nvidia proprietary 
driver correctly. I decided to try nvidia-prime in Kubuntu 18.04, so from the 
BIOS I enabled iGPU as the primary display. I opened nvidia-settings GUI and 
from Prime options I chose Intel. After entering user password, it took about a 
minute for the message to appear that the change had been successful. So I 
rebooted the system and it worked correctly, the system was using intel iGPU. 
But then when trying to return to nvidia something went wrong. After rebooting 
the system, PRIME options of nvidia-settings GUI disappeared. nvidia-settings 
GUI is only shown in the minimal version, only items from Application Profiles 
and nvidia-settings Configuration is displayed.
If I select my nvidia as a Primary Display from BIOS, the system enters in 
graphic mode but it apparently is not using nvidia driver, system and graphics 
work very slow and take time to refresh. nvidia-settings GUI just keeps showing 
minimal interface with almost no options. All this despite the fact that from 
the terminal, PRIME is informed that nvidia is selected:
$ sudo prime-select query
nvidia

I have tried to purge all nvidia package and reinstalling the driver from 
driver manager, but everything remains the same. Since troubleshooting nvidia 
problems is more difficult with new packaging system:
https://askubuntu.com/questions/1011589/what-has-changed-in-nvidia-proprietary-driver-packaging-in-18-04-bionic

I do not know if I did it right. These are the packages that I currently have 
installed:
http://pasteall.org/915940

Just a question to see if I can reverse PRIME changes. Which
configuration file is modified when you select nvidia or intel from
PRIME options in nvidia-setings GUI (after entering user key)?

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Title:
  nvidia-prime can't switch off the discrete GPU

Status in nvidia-prime package in Ubuntu:
  Fix Released
Status in nvidia-settings package in Ubuntu:
  Fix Released
Status in ubuntu-drivers-common package in Ubuntu:
  Fix Released

Bug description:
  nvidia-prime used to be able to switch off and on NVIDIA dGPU. Now, a
  change in the nvidia packaging, and a change of behaviour in logind,
  broke this feature.

To manage notifications about this bug go to:
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[Kernel-packages] [Bug 1757180] Re: nvidia-prime can't switch off the discrete GPU

[Launchpad Bug Tracker]

This bug was fixed in the package ubuntu-drivers-common - 1:0.5

---
ubuntu-drivers-common (1:0.5) bionic; urgency=medium

  * gpu-manager.{c|py}:
- Drop all the code to handle driver configuration, which
  stopped working after we moved away from alternatives.
  Only keep telling the system whether PRIME is supported
  or not (LP: #1757180).

 -- Alberto Milone   Thu, 22 Mar 2018
18:35:19 +0100

** Changed in: ubuntu-drivers-common (Ubuntu)
   Status: In Progress => Fix Released

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Title:
  nvidia-prime can't switch off the discrete GPU

Status in nvidia-prime package in Ubuntu:
  Fix Released
Status in nvidia-settings package in Ubuntu:
  Fix Released
Status in ubuntu-drivers-common package in Ubuntu:
  Fix Released

Bug description:
  nvidia-prime used to be able to switch off and on NVIDIA dGPU. Now, a
  change in the nvidia packaging, and a change of behaviour in logind,
  broke this feature.

To manage notifications about this bug go to:
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[Kernel-packages] [Bug 1757180] Re: nvidia-prime can't switch off the discrete GPU

[Launchpad Bug Tracker]

This bug was fixed in the package nvidia-settings - 390.42-0ubuntu1

---
nvidia-settings (390.42-0ubuntu1) bionic; urgency=medium

  * New upstream release.

  [ Alberto Milone ]
  * debian/patches/08_add_prime_support.patch:
- Use pkexec to call prime-select (LP: #1757180).
- Recommend a computer restart, rather than
  a simple log out (LP: #1704781).

  [ Graham Inggs ]
  * debian/patches/05_add_polkit_support.patch,
debian/patches/06_remove_local_prefix.patch,
debian/patches/07_remove_features_for_legacy.patch,
debian/patches/08_add_prime_support.patch,
debian/patches/10_legacy_vdpau.patch,
debian/patches/11_link_as-needed.patch,
debian/patches/12_nostrip.patch,
debian/patches/15_clean.patch:
- Refresh all patches for new upstream 390.42
  * debian/patches/13_libxnvctrl_so_0.patch,
debian/patches/link-order.diff:
- Reorder libraries and object files to allow proper
  dependency resolution.
  * debian/control,
debian/libxnvctrl0.install,
debian/rules,
debian/source/format:
- Switch to debhelper 9.
- Switch to source format 3.0 (quilt).
- Depend on libgtk-3-0 | libgtk2.0-0, don't require both.
- Switch to debian/watch.
- Drop download-sources target with obsolete URL.
- Change libxnvctrl0 and libxnvctrl-dev Architecture
  to any (LP: #1690669).

 -- Alberto Milone   Thu, 22 Mar 2018
18:29:24 +0100

** Changed in: nvidia-settings (Ubuntu)
   Status: In Progress => Fix Released

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Title:
  nvidia-prime can't switch off the discrete GPU

Status in nvidia-prime package in Ubuntu:
  Fix Released
Status in nvidia-settings package in Ubuntu:
  Fix Released
Status in ubuntu-drivers-common package in Ubuntu:
  In Progress

Bug description:
  nvidia-prime used to be able to switch off and on NVIDIA dGPU. Now, a
  change in the nvidia packaging, and a change of behaviour in logind,
  broke this feature.

To manage notifications about this bug go to:
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[Kernel-packages] [Bug 1757180] Re: nvidia-prime can't switch off the discrete GPU

[Doug McMahon]

Re: nvidia-setting
previously with alternatives lightdm could affect switch on a og out/in, 
however gdm3 needed a reboot.
The message was never changed to reflect this, now that apparently a reboot is 
required no matter what dm it would be a good time to edit it.
Old bug - https://bugs.launchpad.net/ubuntu/+source/nvidia-prime/+bug/1704781

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Title:
  nvidia-prime can't switch off the discrete GPU

Status in nvidia-prime package in Ubuntu:
  Fix Released
Status in nvidia-settings package in Ubuntu:
  In Progress
Status in ubuntu-drivers-common package in Ubuntu:
  In Progress

Bug description:
  nvidia-prime used to be able to switch off and on NVIDIA dGPU. Now, a
  change in the nvidia packaging, and a change of behaviour in logind,
  broke this feature.

To manage notifications about this bug go to:
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[Kernel-packages] [Bug 1757180] Re: nvidia-prime can't switch off the discrete GPU

[Launchpad Bug Tracker]

This bug was fixed in the package nvidia-prime - 0.8.6

---
nvidia-prime (0.8.6) bionic; urgency=medium

  [ Alberto Milone ]
  * debian/control:
- Drop dependencies on bbswitch, lsb-release, pciutils,
  and on login managers.
- Make nvidia-prime arch independent.
  * debian/rules,
90-nvidia.conf,
debian/dirs.in,
debian/install.in,
oem/00-prime-offload,
prime-offload,
prime-switch:
- Remove obsolete files.
  * prime-select,
debian/nvidia-prime.nvidia-prime-boot.service:
- Drop code to deal with alternatives, since the nvidia
  packages don't use them any more.
- Rely on nouveau and vgaswitcheroo to switch off
  the discrete GPU (LP: #1757180).

  [ Bryan Quigley ]
  * debian/nvidia-prime.upstart:
- Remove upstart file.

 -- Alberto Milone   Tue, 20 Mar 2018
17:28:05 +0100

** Changed in: nvidia-prime (Ubuntu)
   Status: In Progress => Fix Released

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Title:
  nvidia-prime can't switch off the discrete GPU

Status in nvidia-prime package in Ubuntu:
  Fix Released
Status in nvidia-settings package in Ubuntu:
  In Progress
Status in ubuntu-drivers-common package in Ubuntu:
  In Progress

Bug description:
  nvidia-prime used to be able to switch off and on NVIDIA dGPU. Now, a
  change in the nvidia packaging, and a change of behaviour in logind,
  broke this feature.

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/nvidia-prime/+bug/1757180/+subscriptions

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