On 29 Jun 2018, at 15.28, Tom Sommer <m...@tomsommer.dk> wrote: > > On 2018-06-29 15:20, Timo Sirainen wrote: >> On 29 Jun 2018, at 15.05, Tom Sommer <m...@tomsommer.dk> wrote: >>> On 2018-06-29 14:51, Timo Sirainen wrote: >>>> v2.3.2 is mainly a bugfix release. It contains all the changes in >>>> v2.2.36, as well as a bunch of other fixes (mainly for v2.3-only >>>> bugs). Binary packages are already in https://repo.dovecot.org/ >>> A simple "yum update" will result in a ton of these errors: >>> Jun 29 15:02:19 stats: Error: stats: Socket supports major version 2, but >>> we support only 3 (mixed old and new binaries?) >>> Should the yum update process perhaps not restart the dovecot service? >> It sounds like you upgraded from v2.2.x to v2.3.2? The stats was >> completely changed. > > From 2.3.1 to 2.3.2: > > Installed: > dovecot.x86_64 2:2.3.2-3 dovecot-mysql.x86_64 2:2.3.2-3 > > Updated: > dovecot-pigeonhole.x86_64 2:2.3.2-3 > > Replaced: > dovecot.x86_64 2:2.3.1-1 dovecot-mysql.x86_64 2:2.3.1-1
That's weird. Something appears to be connecting to the stats socket with old protocol version. What your doveconf -n?