Comment # 3 on bug 1175625 from Stanislav Brabec

I can half reproduce this problem as well:

> ioctl(4, RTC_UIE_ON, 0): Invalid argument
It looks wrong, and I cannot reproduce.

> hwclock: settimeofday() failed: Invalid argument
This is also wrong, and I can reproduce.

> With openSUSE Leap 15.2 I don't get the error, if that helps.
Yes. So it is a regression.

I just verified, that util-linux from openSUSE 15.2 has the same problem in
Tumbleweed. So it is either incompatibility of hwclock with the current kernel,
or it is a kernel regression.

Hopefully, testing the current upstream git hwclock, failure on my machine is
fixed.

I am going to update to util-linux-2.36. It will fix the problem:
https://build.opensuse.org/package/show/home:sbrabec:branches:util-linux-multibuild/util-linux