Incomplete: Someone please answer comment #7.
** Also affects: linux-hwe (Ubuntu)
Importance: Undecided
Status: New
** Changed in: linux-hwe (Ubuntu)
Status: New => Confirmed
** No longer affects: gdm3 (Ubuntu)
** Changed in: linux (Ubuntu)
Status: Confirmed =>
Please find the first -rc kernel that fixes the issue between v4.15 and v4.18.
Kernels can be downloaded at [1].
[1] https://kernel.ubuntu.com/~kernel-ppa/mainline/
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The issue now appears resolved with hwe-18.04/4.18.0-13, /sys/bus/iio is
now present and the functionality has been restored.
Summary:
/sys/bus/iio appears to be missing on all the bionic 4.15.* kernel releases
(including 4.15.0-43) but is present on xenial 4.4 and cosmic 4.18 (at least as
of
https://news.ycombinator.com/item?id=18711970
The sad state of being able to use Ubuntu on touch devices (hint: you
can't)
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1807250
So, apparently support for an entire bus class has been missing since
ubuntu bionic (18.04 LTS) was
