ThinkPad systems have no HDMI sound when using the nvidia GPU
Bug #1787058 reported by
Alex Hung
This bug affects 1 person
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
HWE Next |
Fix Released
|
Undecided
|
Unassigned | ||
linux (Ubuntu) |
Fix Released
|
High
|
Alex Hung | ||
Bionic |
Fix Released
|
Undecided
|
Unassigned |
Bug Description
Some ThinkPad systems have a power-saving feature that turns off Nvidia HDMI audio device in Windows, but NVidia Linux driver does not support this feature. As a result, HDMI audio will not work on Linux.
A BIOS workaround is added with an OEM_OSI string "Linux-
CVE References
Changed in linux (Ubuntu): | |
assignee: | nobody → Alex Hung (alexhung) |
status: | New → In Progress |
importance: | Undecided → High |
summary: |
- Some ThinkPad systems no HDMI sound when using the nvidia GPU + ThinkPad systems have no HDMI sound when using the nvidia GPU |
tags: | added: originate-from-1756020 sutton |
description: | updated |
Changed in linux (Ubuntu): | |
status: | In Progress → Fix Committed |
Changed in linux (Ubuntu Bionic): | |
status: | New → Fix Committed |
tags: |
added: verification-done-bionic removed: verification-needed-bionic |
Changed in hwe-next: | |
status: | New → Fix Released |
tags: | added: cscc |
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This bug is awaiting verification that the kernel in -proposed solves the problem. Please test the kernel and update this bug with the results. If the problem is solved, change the tag 'verification- needed- bionic' to 'verification- done-bionic' . If the problem still exists, change the tag 'verification- needed- bionic' to 'verification- failed- bionic' .
If verification is not done by 5 working days from today, this fix will be dropped from the source code, and this bug will be closed.
See https:/ /wiki.ubuntu. com/Testing/ EnableProposed for documentation how to enable and use -proposed. Thank you!