This bug is missing log files that will aid in diagnosing the problem.
While running an Ubuntu kernel (not a mainline or third-party kernel)
please enter the following command in a terminal window:
apport-collect 1836308
and then change the status of the bug to 'Confirmed'.
If, due to the nature of the issue you have encountered, you are unable
to run this command, please add a comment stating that fact and change
the bug status to 'Confirmed'.
This change has been made by an automated script, maintained by the
Ubuntu Kernel Team.
** Changed in: linux (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/1836308
Title:
Unhide Nvidia HDA audio controller
Status in linux package in Ubuntu:
Incomplete
Status in linux-oem package in Ubuntu:
New
Status in linux-oem-osp1 package in Ubuntu:
New
Bug description:
[Impact]
Nvidia HDA audio controller comes with Nvidia graphics cannot be found
by PCI subsystem.
[Fix]
Write bit 25 at graphics' config space offset 0x488 to enable the HDA
controller.
[Test]
Nvidia HDA controller is not listed under lspci.
After applying the fix lspci can find Nvidia HDA controller.
[Regression Potential]
Low. This fix doesn't bring any functional change other then exposing
HDA controller at hardware level.
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