XDMCP problems after xorg(?) updates

[Chris Mohler]

Hi list,

Anyone using LTSP or XDMCP on FC6?

None of my terminals seem to be working after the last batch of xorg
updates.  It took me a while to spot the problem, as I've only been
using one terminal lately and it hardly ever requires a reboot.  I
powered down that terminal to cannibalize some of the RAM, and when I
brought it back up, everything looked fine (booted loaded framebuffer,
went to GDM login screen).  However, logging in crashes the remote X
server with (paraphrasing) "EE: unable to load module 'mga_hal" module
does not exist".

Thinking that I'd borked something hardware-wise, I unshelved one of
the other terminal machines.  It also booted to the remote GDM login
screen - but logging in crashes the X server also.  Nothing is amiss
in the xorg.log.  This one is logged in /var/log/messages on the
"head" machine: "gdm_slave_xioerror_handler: Fatal X error -
Restarting ws200:0"

I'm going to try a 3rd terminal box, but was wondering if anyone on
the list is using thin terminals, and if so are you having problems
after the recent updates...

I've downgraded GDM with no joy, and will probably attempt to
downgrade xorg if I can't figure this out - any pointers on that
process are definitely welcome.

Thanks,
Chris