RH 7.4 upgrade issues

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With 7.4 hitting General Availability I'm trying 7.3 --> 7.4 upgrades on a few test servers. So far I've run into the following issues:

(1) CDN availability of kernel-3.10.0-693.el7.x86_64 has been erratic so far today. I copied the RPM out of the DVD ISO download and persevered.

(2) gedit wants libpeas-gtk-1.0.so.0() which apparently isn't provided by libpeas-1.20.0-1.el7.x86_64 anymore. I evaded that and some other unresolved dependency conflicts by:

  yum remove totem gedit gnome-dictionary gucharmap eog

As an emacs kind of guy I can live with that for a while, but I will have some unhappy users if I start upgrading production machines before this gets resolved.

(3) Samba stopped working. I have samba --> pam+krb5+sssd, sssd --> AD 2008R2; the sssd part seems to be fine. A different AD forest with 2016 also broke samba. I'm still reading the release notes to see what might be different in the samba --> sssd (not winbind) relationship.