F23 -> Rawhide upgrade fails to start GDM

[Kevin Fenzi]

On Mon, 28 Sep 2015 08:37:58 +0100
Richard Bradfield <bradfirj at fstab.me> wrote:

> Hi all,
> 
> This may have been an insane proposition, so I'm asking here before I
> go near bugzilla. 
> 
> I installed a clean F23 beta machine, then used dnf system upgrade to
> try and move up to Rawhide. 
> 
> When I rebooted the system, I got the 'Oh no! Something has gone
> wrong' screen, which repeats if I try and relaunch GDM. 

Yeah, I am/was seeing this in rawhide as well. 

> The only relevant error in the journal is:
> Glib: g_hash_table_find: assertion 'version == hash_table->version'
> failed


Here at least I see a crash in xwayland... 
( https://bugzilla.redhat.com/show_bug.cgi?id=1266637 ) 
then it dies in enforcing mode. 
 
> Setting 'setenforce 0', or setting selinux to permissive in the config
> allows everything to work normally. 
> 
> I have tried relabelling the filesystem. 
> 
> Is this an insane unsupportable upgrade path or could I have found an
> actual bug?

This is several real bugs. :) 

It seems if xwayland doesn't crash things work enforcing, but if it
does the fallback to X doesnt work right in enforcing mode. 

I've not yet filed the selinux bug... I'll try later today, or if you
can see what avc's you see and file it that would be great. 

kevin

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