Hi, This version of firmware[1] is not signed by Intel. The Comet Lake (CML) processor will validate the PV bits of the firmware, and it will refuse to load the sof-cnl.ri firmware
sof-audio-pci 0000:00:1f.3: error: load fw failed ret: -110 This SRU breaks the DMIC on CML platform. Please kindly replace the firmware binary for the CML platforms. [1] 4dbdd3366e840562b2a1da3927b1075e intel/sof/sof-cnl.ri -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1847250 Title: update firmware for sound sof driver to fix the hang issue on several Dell machines To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1847250/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs