On 04/12/2018 09:54, Rob Kampen wrote: > > So in an effort to narrow down the problem I also have an old Samsung > laptop - i5 with an nvidia card - all up-to-date 7.5 - I thought I would > try a more conservative upgrade approach. > > first updated to the CR kernel with yum upgrade kernel* > > then after successful reboot did an update to gdm* and gnome* > > another reboot and all is well > > then update of xorg* (only 20 files) > > Now it will not boot - keyboard is non responsive so cannot even do a > Ctrl Alt F2 to access a shell. Old kernel is also non boot. Left this > machine for now and back to my main desktop workstation. > The only issue I've seen reported that sounds similar or possibly related is: https://bugzilla.redhat.com/show_bug.cgi?id=1650634 There is a patch in that bug you might like to try. > No idea if this xorg problem relates to my original workstation - so on > that machine I did a downgrade of xorg* - seemed to complete ok, but on > reboot and login - still the same problem. > > As the only clue in the logs is the libc segfault I did a downgrade of > glibc - this too seemed to work but no change to the system - gnome > crashes after 5 - 10 seconds. > I'm guessing that probably hasn't helped matters > Wasted far too much time on this, no idea what to do now so I have done > a fresh 7.5 install and all works again - just need to install all the > additional stuff I use each day, but at least I have a desktop that > functions. >