We were able to determine the cause for the loss of sound while working together in IRC. When unattended-upgrades installed the new kernel, the linux-image-generic and linux-modules-extra-4.15.0-32-generic packages were removed shortly after:
Start-Date: 2018-08-15 06:18:14 Commandline: /usr/bin/unattended-upgrade Install: linux-modules-4.15.0-32-generic:amd64 (4.15.0-32.35, automatic), linux-image-generic:amd64 (4.15.0.32.34, automatic), linux-image-4.15.0-32-generic:amd64 (4.15.0-32.35, automatic), linux-modules-extra-4.15.0-32-generic:amd64 (4.15.0-32.35, automatic) End-Date: 2018-08-15 06:18:37 Start-Date: 2018-08-15 06:18:40 Commandline: /usr/bin/unattended-upgrade Remove: linux-image-generic:amd64 (4.15.0.32.34), linux-modules-extra-4.15.0-32-generic:amd64 (4.15.0-32.35) End-Date: 2018-08-15 06:18:41 Unfortunately, we don't know the cause of the package removal. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1787251 Title: No sound devices after booting 4.15.0-32-generic To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1787251/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
