Le 04/04/2017 17:39, stan a écrit : > On Tue, 4 Apr 2017 14:23:52 +0200 > François Patte <francois.patte@xxxxxxxxxxxxxxxxxxxx> wrote: > >> What is the meaning of these error/warning messages (f25) and how to >> correct the config to get rid of them: >> >> -- LVM >> Daemon lvmetad returned error 104: 1 Time(s) >> WARNING: Failed to connect to lvmetad. Falling back to device >> scanning.: 2 Time(s) >> WARNING: lvmetad is being updated, retrying (setup) for 10 more >> seconds.: 1 Time(s) > > man lvmetad > and it will explain how lvmetad works, This I can see. > and why these messages are being > generated, and what they mean. But this is not in my man (fedora 25).... Moreover lvmetad.service is disabled, so I don't understand why it is complaining and about what. > >> >> -- systemd >> Failed unmounting /var.: 1 Time(s) >> Requested transaction contradicts existing jobs: Transaction is >> destructive.: 1 Time(s) >> >> lvm2-lvmetad.socket: Failed to queue service startup job (Maybe the >> service file is missing or not a non-template unit?): Transaction is >> destructive.: 1 Time(s) >> lvm2-lvmetad.socket: Unit entered failed state.: 1 Time(s) But this one is running and not in "failed state" when you enquiry about its status. >> >> What does mean "Transaction is destructive"? > > My guess is that, if it runs, information will be lost from the system, > or process sequence will be broken. > > The systemd message seems pretty clear in that regard; there are > jobs running that are using /var. If it wasn't you that was trying to > umount /var, then this seems like a system error, as the system > shouldn't be trying to umount /var when jobs are running, except maybe > at shutdown. This message appears at shutdown for a while now: yes, systemd does not shutdown some services before unmounting partitions used by these services (so you can wait for sometimes because a "job is running"). How long will it takes untill these kinds of bugs will be fixed? I have an f21 system without this kind of bugs, so it is a regression which lasts for some times now.... When you ask the systemd folks, they reply that it is a bug from the distro! -- François Patte UFR de mathématiques et informatique Laboratoire CNRS MAP5, UMR 8145 Université Paris Descartes 45, rue des Saints Pères F-75270 Paris Cedex 06 Tél. +33 (0)1 8394 5849 http://www.math-info.univ-paris5.fr/~patte
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