Oh, you are quite right... It's even identified in the project scope of the original proposal to switch from KDM: "Fix the bugs affecting log in: PAM stack integration and LDAP user lists" -- https://fedoraproject.org/wiki/Changes/SDDMinsteadOfKDM
I'm just going to switch back to KDM... Should solve my problem. Thank you! On Tue, Mar 14, 2017 at 12:46 PM, Alexander Bokovoy <[email protected]> wrote: > On ti, 14 maalis 2017, Tyrell Jentink wrote: > >> I have users in an AD Domain, my FreeIPA server is set up with an >> interforest trust, and users can log in using SSH or virtual terminals on >> any system joined to the IPA domain, and I have Samba authenticating >> against these users on another server... Things are good... >> >> Until I try logging in to the Fedora 25 KDE Respin from the desktop >> manager >> (SDDM), in which case it goes to a black screen, with an X as a cursor, >> but >> nothing else... This is my first attempt at logging a remote user in >> through the GUI, and KDE/SDDM is the default configuration on Fedora KDE >> Respin, thus the combination in question... I haven't tried anything else. >> >> Some diagnostics I have tried: >> >> If I log in to a virtual terminal and run startx, then I get KDE, >> regardless of the user. >> If I log in to SDDM/KDE using a local user, then I get KDE. >> If I log in to SDDM/KDE using an IPA user, I get the black screen... >> But, the audit and security logs show that the user successfully >> authenticated. Dmesg shows the user getting authenticated successfully and >> user contexts changing successfully. >> >> >> So, I'm left assuming this is a problem with SDDM somewhere, but only with >> remote users... And my logs aren't giving me any hints. >> >> Any ideas? Any logs in particular that I should be looking at? >> > "Black screen" with SDDM is a fairly known issue -- you can look at > https://bugzilla.redhat.com/show_bug.cgi?id=1350107, for example. Or > https://github.com/sddm/sddm/issues/756, or many other distros. It looks > like SDDM is crashing internally on many conditions. The bug in Red Hat > bugzilla has at least three different cases where SDDM crashes. > > I'd suggest you to file a bug and attach system logs to it. You can use > SSSD troubleshooting guide to create SSSD debug logs (domain, pam, nss, > and selinux sections at least) but also attach logs for sddm and audit. > > -- > / Alexander Bokovoy > -- Tyrell Jentink tyrell.jentink.net
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