Am 12.04.20 um 19:40 schrieb Balint Reczey: > Hi Michael, > > On Sat, Apr 11, 2020 at 9:53 PM Michael Biebl <bi...@debian.org> wrote: >> >> Am 11.04.20 um 10:02 schrieb luca: >>> Package: systemd-timesyncd >>> Version: 245.4-3 >>> Severity: normal >>> >>> >>> # apt-get -V dist-upgrade >>> Reading package lists... Done >>> Building dependency tree >>> Reading state information... Done >>> Calculating upgrade... Done >>> The following packages were automatically installed and are no longer >>> required: >>> libnotify-bin (0.7.9-1) >>> libqpdf26 (9.1.1-1) >>> Use 'apt autoremove' to remove them. >>> The following packages will be REMOVED: >>> virtualbox-guest-utils (6.1.4-dfsg-4) >>> virtualbox-guest-x11 (6.1.4-dfsg-4) >> >> Balint, I guess we should drop >> Conflicts: virtualbox-guest-utils, >> virtualbox-guest-utils-hwe >> ? > > Ah, yes, sorry, I did think about that, but forgot to propose the > solution in the MR. > > IMO systemd-timesyncd should be the default time-daemon but also the > least preferred option to install, when some other installed package > can sync the time. > > I think the cleanest solution would be virtualbox source building a > binary package that Conflicts/Provides/Replaces: time-daemon and sets > up time synchronisation with the host ( > https://www.virtualbox.org/manual/ch09.html#changetimesync )
Nod, I think that package actually is virtualbox-guest-utils? > If this solution is not viable, then I think the second best option is > considering virtualbox-guest-utils as a time-daemon alternative: > > AFAIK when virtualbox-guest-utils* is installed the guest's clock can > be considered to be synchronised to the host and hopefully > transitively to a reasonably good source, so I propose changing > systemd instead to depend on systemd-timesyncd | time-daemon | > virtualbox-guest-utils | virtualbox-guest-utils-hwe. This solution > has the disadvantage of not being able to install systemd-timesyncd > when virtualbox-guest-utils is present, but should not sync time with > the host. IMO this is not a huge problem, since other time-daemon-s > can still be installed such as chrony, so the guest can still have > accurate time, just not with systemd-timesyncd. I would prefer not to add virtualbox-guest-utils* as an alternative Depends. > Cheers, > Balint > > PS: virtualbox-guest-utils is in contrib, but per #681419 it can still > be used as an alternate dependency. I guess I'll drop the conflicts and clone/reassign this bug report to virtualbox and leave it up to them to decide if it should be possible to install an NTP client alongside virtualbox-guest-utils* or not (and if the latter, to add a C/R/P: time-daemon) Regards, Michael