This bug was fixed in the package ubuntu-drivers-common - 1:0.2.91.12
---------------
ubuntu-drivers-common (1:0.2.91.12) trusty-proposed; urgency=medium
* Backport from yakkety version 1:0.4.22: gpu-manager.c, gpu-manager.py:
- Add all the necessary changes for nvidia and hybrid graphics to
handle the new kernel modules and the EGL alternatives (LP: #1642662).
Also detect the new amdgpu driver.
- Leave gdm support disabled, since gdm is still missing a patch.
-- Alberto Milone <[email protected]> Mon, 21 Nov 2016
12:04:49 +0100
** Changed in: ubuntu-drivers-common (Ubuntu Trusty)
Status: Fix Committed => Fix Released
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Packages, which is subscribed to nvidia-prime in Ubuntu.
https://bugs.launchpad.net/bugs/1642662
Title:
SRU request: handle EGL alternatives and use different drivers for the
LTS stacks
Status in HWE Next:
In Progress
Status in nvidia-prime package in Ubuntu:
Fix Released
Status in ubuntu-drivers-common package in Ubuntu:
Fix Released
Status in nvidia-prime source package in Trusty:
Fix Released
Status in ubuntu-drivers-common source package in Trusty:
Fix Released
Bug description:
SRU Request:
[Impact]
A recent security update of the nvidia driver provided new EGL libraries and
new kernel modules (such as nvidia-modeset and nvidia-drm), which are not
handled by the current gpu-manager (ubuntu-drivers-common) and nvidia-prime in
14.04. This problem is fixed in Xenial or newer.
ubuntu-drivers-common also does not distinguish between the different
LTS stacks, and this is a major problem on Intel+Nvidia hybrid
systems, as anything running stacks older than 14.04.5 will require
using the intel driver with SNA acceleration, whereas the rest should
use the modesetting driver. Boot parameters can also be passed to use
other driver combinations (for unsupported use cases).
[Test Case]
1) Enable the trusty-proposed repository, and install the
ubuntu-drivers-common and the nvidia-prime packages.
2) Install the nvidia driver.
3) Restart the system and see if it boots correctly. If unsure, please
attach your /var/log/gpu-manager.log and /var/log/Xorg.0.log
[Regression Potential]
Low, the above mentioned changes are already in Yakkety (and most of them
have been in Xenial since its release).
To manage notifications about this bug go to:
https://bugs.launchpad.net/hwe-next/+bug/1642662/+subscriptions
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