Ah yes, that was a leftover from an attempt to fix this a few weeks ago and forgot about it. I downgraded to 1.173.17, which seems to be the latest in bionic and tested again, same problems remain. New md5sums below:
md5sum /lib/firmware/intel/sof/* md5sum: /lib/firmware/intel/sof/cml: Is a directory md5sum: /lib/firmware/intel/sof/cnl: Is a directory 4c6a045a4c79df1f210e1d433ad8ae8d /lib/firmware/intel/sof/sof-cml.ldc dbed618d1cbaff30a3a0f1a6f65f1d1f /lib/firmware/intel/sof/sof-cml.ri 4c6a045a4c79df1f210e1d433ad8ae8d /lib/firmware/intel/sof/sof-cnl.ldc 2211ec9ddfde169bdb936b5f06be7572 /lib/firmware/intel/sof/sof-cnl.ri md5sum /lib/firmware/intel/sof-tplg/* dd3b0e1f4479aa73763a7211cc4b16b6 /lib/firmware/intel/sof-tplg/sof-hda- generic.tplg -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1869799 Title: no sound driver since 5.3.0.42 kernel To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1869799/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs