https://www.kernel.org/doc/Documentation/Intel-IOMMU.txt
If you encounter issues with graphics devices, you can try adding option intel_iommu=igfx_off to turn off the integrated graphics engine. If this fixes anything, please ensure you file a bug reporting the problem. So the underlying issue is not fixed. On my system audio (and any video playing) stops when changing audio to integrated hdmi output, i7-4790s haswell cpu with ubuntu 22.04. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1970050 Title: [H97M-HD3, Intel Haswell HDMI, Digital Out, HDMI] No sound at all because of upgrade from 20.04 LTS to 22.04 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1970050/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
