Bug#947936: chrony: Does (still) not start properly on boot on buster

[Michael Biebl]

Am 01.02.20 um 22:37 schrieb Santiago Vila:
> On Sun, Jan 12, 2020 at 08:41:19PM +0100, Michael Biebl wrote:
> 
>> I guess at this point it is best to ask chrony, ntp, openntpd, ntpsec
>> and virtualbox [1] to drop the Conflicts= line again.
>> Maybe we should even do that for buster via a stable upload?
>>
>> Thoughts?
> 
> Hi. I definitely think this should be fixed in stable, in whatever way
> it's considered best for stable.
> 
> The last thing a system admin would expect from Debian stable is that
> the clock is off by several minutes in a system where a time-keeping
> package like ntp or chrony is present. This was completely unexpected
> for me. (In fact, I would have reported this as serious but I prefer
> to concentrate on finding a good fix).
> 
> Regarding the proper fix: Anything which makes chrony and ntp work
> again (without surprises) would do. I agree that the less intrusive
> the change, the better.
> 
> In the Debian 10 instances at GCE where I found this I just did this:
> 
> systemctl disable systemd-timesyncd
> 
> Would it make sense to ship systemd-timesyncd disabled by default in
> buster and add a README to enable it only if the user really decides
> to enable it? (Maybe also documenting this in the release notes).

I think this would break more setups then it fixes.
The default behaviour of systemd-timesyncd has been since two releases
to be enabled by default. We can't easily change that.

> That would be the most simple solution for stable that I can think,
> as it would reduce the number of packages to change to just one.

Unfortunately I think that disabling systemd-timesyncd by default is one
of the most intrusive changes. After all, systemd is installed by
default (and thus systemd-timesyncd enabled by default). I fear this is
a no-go.


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