Felix Miata composed on 2020-01-23 01:58 (UTC-0500):

> Anyone else have a perfectly working 16.04, upgrade to 18.04, then X segfaults?
> Neither TDE nor IceWM run because X doesn't get far enough along. Google hasn't
> found me anything on point as yet. :-(

> http://fm.no-ip.com/Tmp/Linux/Xorg/xorg.0.log-u1804-p5bse-backtrace

Un-disabling compositing in xorg.conf fixed this.
-- 
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 Team OS/2 ** Reg. Linux User #211409 ** a11y rocks!

Felix Miata  ***  http://fm.no-ip.com/