I am encountering the same issue, Attached are 2 files from alsa- info.sh. I use Ubuntu 16.04 - Dell XPS-15, and I DO NOT dual boot windows.
Summary: 1) Initially audio works fine. 2) Plug headphones in jack, Speaker audio stops and headphone works. 3) Unplug headphone, Speaker will not work 4) Plug headphone back in, it won't work either (at some times) 5) Unplug headphones. 6) Put laptop into sleep, Speaker audio will work again (Also at some times I had to repeat this step multiple times). debug_audio.log.1 - Is when it is not working debug_audio.log.3 - When it started to work after sleeping and waking up my laptop ** Attachment added: "debug_audio.log.1" https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1320020/+attachment/4770947/+files/debug_audio.log.1 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1320020 Title: [Inspiron 1470, Realtek ALC272, Speaker, Internal] No sound at all To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1320020/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
