I am coming from Duplicate #222390. Although I believe this is a duplicate, it definately (also) happens with the internal speakers, not just when external speakers are plugged in.
Also, it seems to be time-based: After some hours of suspend, there is a 90-100% chance that this happens, where as after a short suspend cycle it does never happen. Please also have a look at the duplicate report, there is some logs and the like attached there. -- [HARDY] loud noise on resume [XPSM1330] https://bugs.launchpad.net/bugs/205925 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs