This bug was fixed in the package nvidia-prime - 0.8.9
---------------
nvidia-prime (0.8.9) cosmic; urgency=medium
[ Alberto Milone ]
* 90-nvidia.conf,
debian/rules,
prime-select:
- Make sure to remove the old blacklist file.
- Use /lib for blacklist-nvidia.conf.
- Do not check if prime is supported when disabling nvidia.
- Enable KMS by default.
- Install prime-switch again (LP: #1778011).
* debian/nvidia-prime.nvidia-prime-boot.service:
- Remove service.
[ Alex Tu ]
* prime-select: avoid regenerating the initramfs.
-- Alberto Milone <[email protected]> Tue, 31 Jul 2018
16:47:20 +0200
** Changed in: nvidia-prime (Ubuntu)
Status: In Progress => Fix Released
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https://bugs.launchpad.net/bugs/1778011
Title:
PRIME Power Saving mode draws too much power
Status in gdm3 package in Ubuntu:
In Progress
Status in nvidia-prime package in Ubuntu:
Fix Released
Status in ubuntu-drivers-common package in Ubuntu:
In Progress
Status in gdm3 source package in Bionic:
In Progress
Status in nvidia-prime source package in Bionic:
In Progress
Status in ubuntu-drivers-common source package in Bionic:
In Progress
Bug description:
Relying on the nouveau driver and on the vga switcheroo (to get around
a change in systemd LP: #1777099) caused increased power consumption,
and slowed down the switching process.
Solving the problem in systemd (LP: #1777099), and adding code in gpu-
manager and in nvidia-prime to unload the nvidia modules, and to allow
the PCI device to sleep, dramatically decreases power consumption.
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/gdm3/+bug/1778011/+subscriptions
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