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Bug 2015863 - Fix UCM code for better pipewire interoperability
Summary: Fix UCM code for better pipewire interoperability
Keywords:
Status: CLOSED WONTFIX
Alias: None
Product: Red Hat Enterprise Linux 9
Classification: Red Hat
Component: alsa-lib
Version: 9.0
Hardware: All
OS: Linux
unspecified
medium
Target Milestone: beta
: 9.0 Beta
Assignee: Jaroslav Kysela
QA Contact: Ken Benoit
Jana Heves
URL:
Whiteboard:
Depends On: 1977253
Blocks:
TreeView+ depends on / blocked
 
Reported: 2021-10-20 09:36 UTC by Jaroslav Kysela
Modified: 2022-08-08 05:53 UTC (History)
5 users (show)

Fixed In Version:
Doc Type: Bug Fix
Doc Text:
.`alsa-lib` now correctly handles audio devices that use UCM A bug in the `alsa-lib` package caused incorrect parsing of the internal Use Case Manager (UCM) identifier. Consequently, some audio devices that used the UCM configuration were not detected or they did not function correctly. The problem occurred more often when the system used the `pipewire` sound service. With the new release of RHEL 9, the problem has been fixed by updating the `alsa-lib` library.
Clone Of:
Environment:
Last Closed: 2021-11-09 16:47:50 UTC
Type: Bug
Target Upstream Version:
Embargoed:


Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Issue Tracker RHELPLAN-100342 0 None None None 2021-10-20 09:39:37 UTC

Description Jaroslav Kysela 2021-10-20 09:36:26 UTC
The pipewire may not be able to open the UCM ALSA devices after few iterations, because the internal UCM identifier is incorrectly parsed.

Upstream fix: https://github.com/alsa-project/alsa-lib/commit/4a52ae4c329ae17117375a4b85b80f37994a4044

Comment 11 Jaroslav Kysela 2021-11-09 16:47:50 UTC
Thank you. Closing as "won't fix". The alsa-lib upgrade with the bugfix is planned in bug#2019740.


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