Some additional information. As an experiment, I tried burning a cd with the write directly to the cd option unchecked. The files (mp3) seemed to transcode okay but when the time came to write the cd, it was ejected and the write failed. I am attaching the session log.
** Attachment added: "brasero-session.log" https://bugs.launchpad.net/ubuntu/+source/brasero/+bug/1770502/+attachment/5137473/+files/brasero-session.log -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to brasero in Ubuntu. https://bugs.launchpad.net/bugs/1770502 Title: Brasero hangs when burning cds Status in brasero package in Ubuntu: New Bug description: Brasero hangs at the "starting recording..." status box and the progress bar freezes. Nothing is written to the disc. I did not have this problem prior to upgrading to 18.04. ProblemType: Bug DistroRelease: Ubuntu 18.04 Package: brasero 3.12.1-4ubuntu2 ProcVersionSignature: Ubuntu 4.15.0-20.21-generic 4.15.17 Uname: Linux 4.15.0-20-generic x86_64 ApportVersion: 2.20.9-0ubuntu7 Architecture: amd64 CurrentDesktop: ubuntu:GNOME Date: Thu May 10 17:11:18 2018 InstallationDate: Installed on 2018-04-28 (12 days ago) InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Release amd64 (20180426) ProcEnviron: TERM=xterm-256color PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=en_US.UTF-8 SHELL=/bin/bash SourcePackage: brasero UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/brasero/+bug/1770502/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp