Bundled libmpg123.so.0 can be too old for system installed libasound_module_pcm_pulse.so

[kisak-valve]

Describe the bug During routine driver testing with my Gentoo test system with SteamVR Home and Half-Life Alyx, the audio path to failed with: ALSA lib /var/tmp/portage/media-libs/alsa-lib-1.2.6.1/work/alsa-lib-1.2.6.1/src/dlmisc.c:337:(snd_dlobj_cache_get0) Cannot open shared library libasound_module_pcm_pulse.so (/usr/lib64/libsndfile.so.1: undefined symbol: mpg123_info2) This is due to the bundled version of libmpg123.so.0 being too old for libsndfile 1.1.0 built against mpg 1.29.3, which pulled in the newer symbol, and results in audio being disabled in both applications.

Renaming [...]/steamapps/common/SteamVR/tools/steamvr_environments/game/bin/linuxsteamrt64/libmpg123.so.0 and [...]/steamapps/common/Half-Life Alyx/game/bin/linuxsteamrt64/libmpg123.so.0 to libmpg123.so.0.disabled allowed the system to use the system-installed mpg123 and have working audio.

System Information (please complete the following information):

• Distribution: Gentoo
• SteamVR version: 1.23.4
• Steam client version: Detail skipped
• Opted into Steam client beta?: Yes
• Graphics driver version: mesa/RADV 22.1.3
• Gist for SteamVR System Information: [See instructions]

[MikMikus]

I'm having a similar sound problem in Kingdom Rush after a system update. Renaming libmpg123.so.0 to libmpg123.so.0.disabled in the game folder temporarily helped. Thx @kisak-valve

[XDM-Inc]

this was a problem for me as well in fedora linux with a nvidia card. removing that file FIXED it!