[Bug 1778011] Re: SRU: PRIME Power Saving mode draws too much power

[gp]

** Also affects: sddm (Ubuntu)
Importance: Undecided
Status: New
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Title:
SRU: PRIME Power Saving mode draws too much power

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[Launchpad Bug Tracker]

Status changed to 'Confirmed' because the bug affects multiple users.

** Changed in: sddm (Ubuntu)
Status: New => Confirmed
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Title:
SRU: PRIME Power Saving mode draws too much power

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[Launchpad Bug Tracker]

Status changed to 'Confirmed' because the bug affects multiple users.

** Changed in: sddm (Ubuntu Bionic)
Status: New => Confirmed
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Title:
SRU: PRIME Power Saving mode draws too much power

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[Michael Weimann]

For me the power management isn't working, too.
The fan is always running and my notebook is getting hot.

I'm using Ubuntu 18.04 and installed the default nvidia driver 390.

My machine is an ASUS UX331UN with an nvidia mx150.

Currently my workaround is to install bbswitch and turn the nvidia
graphics on/off with that by hand :/
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Title:
SRU: PRIME Power Saving mode draws too much power

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[Michael Weimann]

** Attachment added: "My gpu-manager log file"
https://bugs.launchpad.net/ubuntu/+source/nvidia-prime/+bug/1778011/+attachment/5211042/+files/gpu-manager.log
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Title:
SRU: PRIME Power Saving mode draws too much power

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[Stefan Girstmair]

Hi Alberto,

just wanted to let you know that I made a new and clean install of Ubuntu 18.10 and now switching to Intel GPU works from the start.
Thank you so much for your work.
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Title:
SRU: PRIME Power Saving mode draws too much power

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[Krzysztof Janowicz]

@Alberto: here you go. The card is a GeForce GTX 1050 Ti with Max-Q
Design/PCIe/SSE2 in a Thinkpad X1 Extreme.

** Attachment added: "gpu-manager.log"
https://bugs.launchpad.net/ubuntu/+source/nvidia-prime/+bug/1778011/+attachment/5211182/+files/gpu-manager.log
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Title:
SRU: PRIME Power Saving mode draws too much power

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[Alberto Milone]

@Fernando: we don't support hybrid graphics without using a display
manager, as that would prevent gpu-manager from running at the right
time.

@Michael: I can only assume there was some failure somewhere when
setting the power state of the NVIDIA GPU (the dmesg output might help).
There are indeed cases in which bbswitch works best on some GPUs. This
sounds like one of them.

@Stefan: good. Thanks for reporting :)

@Krzysztof: in your case, the NVIDIA GPU seems to be first, and the
Intel GPU is seen as last. Can you set Intel as first in the BIOS,
please?
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Title:
SRU: PRIME Power Saving mode draws too much power

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[Leandro Sá]

@albertomilone here is my gpu-manager.log this is a fresh install and
all updates have been made

** Attachment added: "gpu-manager.log"
https://bugs.launchpad.net/ubuntu/+source/nvidia-prime/+bug/1778011/+attachment/5213084/+files/gpu-manager.log
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Title:
SRU: PRIME Power Saving mode draws too much power

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[Leandro Sá]

Sorry wrong file this is the file with the $ prime-select intel


** Attachment added: "gpu-manager.log"
https://bugs.launchpad.net/ubuntu/+source/nvidia-prime/+bug/1778011/+attachment/5213087/+files/gpu-manager.log
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Title:
SRU: PRIME Power Saving mode draws too much power

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[Vitaliy Kraynov]

My laptop is MSI GE60 0NC
CPU: Intel i5-3210M, GPU: NVIDIA GeForce GTX 660M
Running Kubuntu 18.10

As in comment https://bugs.launchpad.net/ubuntu/+source/nvidia-prime/+bug/1778011/comments/13 my laptop has a led indicating if Nvidia GPU is on and according to it Nvidia GPU does not power off when I select Intel GPU.
Also tested on Kubuntu 18.04 (without "proposed" repository), same issue.
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Title:
SRU: PRIME Power Saving mode draws too much power

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[Vitaliy Kraynov]

My gpu-manager.log (Intel selected)

** Attachment added: "gpu-manager.log"
https://bugs.launchpad.net/ubuntu/+source/nvidia-prime/+bug/1778011/+attachment/5213565/+files/gpu-manager.log
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Title:
SRU: PRIME Power Saving mode draws too much power

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[Gregor Burger]

Hi,

Thinkpad P1 Quadro P1000. prime-select also not working.
after prime-select intel and a rebeoot nouveau is driving the GPU but not intel.

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

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[Gregor Burger]

** Attachment added: "prime-select query = intel"
https://bugs.launchpad.net/ubuntu/+source/nvidia-prime/+bug/1778011/+attachment/5214282/+files/gpu-manager.log
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Title:
SRU: PRIME Power Saving mode draws too much power

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[Krzysztof Janowicz]

@Alberto: Thanks a lot for your help! There is no such setting in the
BIOS of the Thinkpad X1 Extreme. I can either select discrete only or
hybrid cards. I was finally able to get prime-select to switch to intel
but the rate remains at like 20W which is essentially the same as using
the nvidia card. I am also not able to connect to an external screen via
the on-board HDMI port which is another issue I never had to deal with
in a Thinkpad (usb-c to HDMI adapter does not work as well).
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Title:
SRU: PRIME Power Saving mode draws too much power

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