No sound in ubuntu

[sfc...@gmail.com]

When I build and run Chromium with propriotery codecs in Ubuntu, there is no sound when playing mp3 or mp4. Tried both lastest version in both m72 and m73 and result was the same. I got the following errors in console:

shm_open() failed: Function not implemented

ALSA lib pcm_direct.c:1654:(snd1_pcm_direct_parse_open_conf) The field ipc_gid must be a valid group (create group audio)

[12086:12086:0322/092642.252161:ERROR:alsa_util.cc(204)] PcmOpen: default,Invalid argument

ALSA lib pcm_direct.c:1654:(snd1_pcm_direct_parse_open_conf) The field ipc_gid must be a valid group (create group audio)

[12086:12086:0322/092642.253898:ERROR:alsa_util.cc(204)] PcmOpen: plug:default,Invalid argument

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Rest Regards,

Shanfeng Cheng

sfc...@gmail.com

[t dance]

Stephen Cheng wrote:

shm_open() failed: Function not implemented

ALSA lib pcm_direct.c:1654:(snd1_pcm_direct_parse_open_conf) The field ipc_gid must be a valid group (create group audio)

[12086:12086:0322/092642.252161:ERROR:alsa_util.cc(204)] PcmOpen: default,Invalid argument

ALSA lib pcm_direct.c:1654:(snd1_pcm_direct_parse_open_conf) The field ipc_gid must be a valid group (create group audio)

[12086:12086:0322/092642.253898:ERROR:alsa_util.cc(204)] PcmOpen: plug:default,Invalid argument

$ grep audio /etc/group

audio:x:22:guest

[Stephen Cheng]

I have the following line in /etc/group:

audio:x:29:pulse

[sfc...@gmail.com]

I found the issue only exists on ubuntu 14, not on ubuntu 16. There was no such problem for m70. Something broke the compability with the ALSA lib on ubuntu 14 in m72. 

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Rest Regards,

Shanfeng Cheng

sfc...@gmail.com

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