Actually I noticed that kernel documentation is missing two important steps. You also need to do this:
1. Edit /etc/default/grub and add this line: GRUB_EARLY_INITRD_LINUX_CUSTOM="instrumented_initrd" 2. Run sudo update-grub -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2131138 Title: Internal speakers don't work in HP Elitebook 8 G1i 14 AI To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/2131138/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
