OK, I reinstalled the machine with Ubuntu 24.10 using the traditional
LUKS+LVM encryption (so using conventional deb packaged kernels) and
confirmed that sound works out of the box. So the problem really seems
to be the firmware that is bundled with the Snap-managed kernels.
--
You received this
Public bug reported:
I cannot get the sound working my Dell XPS 14 9440 laptop.
Importantly, this laptop is using TPM FDE (so the kernel is managed by
Snap).
I had exactly these same issues with Ubuntu 24.04, but I reinstalled
with 24.10 and this bug is documenting my experience in 24.10.
Here'
Public bug reported:
This is an easily reproducible bug occurring in our cloud environment.
The issue is that /proc/diskstats has all 0s for md0, a raid0 array.
/sys/block/md0/stat also has all 0s.
$ uname -r
5.13.0-1022-aws
$ cat /proc/diskstats
7 0 loop0 344 0 20160 43 0 0 0 0 0 880 4
