Preupgrade results in inability to start x

[Patrick Boutilier]

On 11/16/2011 12:36 PM, Claude Jones wrote:
> On 11/16/2011 11:29 AM, Claude Jones wrote:
>> I'm not sure where to go with this. I had one machine preupgrade quite
>> nicely. This one is failing to start X. I can get to a prompt and I've
>> tried running yum update, which brought in a few new packages, but I
>> still can't get a desktop. I'm using the nouveau driver and looking
>> through the Xorg.0.log file doesn't yield much. The last video reference
>> I can spot in the log says:
>>
>> AIGLX: Suspending AIGLX clients for VT switch
>> Nouveau(0): NVLeaveVT is called
>>
>> Googling on that second line brought up some posts about switching to
>> the VESA driver, but, I don't have an xorg.conf file, and I can't
>> generate one because system-config-display is not present on this system...
>>
>> Can any one suggest something?
>
> Additional detail: The 'acorn' thingy appears during boot, and at the
> end of the process, the little rotating circle appears momentarily
> appears followed by the splash screen, then, after another moment, the
> splash screen goes away and a little computer icon appears in the middle
> of the screen with some text that says, "Oh no, something has gone
> wrong. A problem has occurred and the system can't recover. Contact your
> administrator"....
>

I have seen something like that when the system tried to login to Gnome 
which wasn't installed. Does the kdm/gdm login prompt come up?

Also, can you ctrl-Alt-F2 to get a console prompt? If so login and type 
startx to see what happens.
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