Gnome won't start after upgrade to FC7

[Sam Varshavchik]

Edward DeMeulle writes:

> [root at troll home]# rpm -q --queryformat
> "%{NAME}-%{VERSION}-%{RELEASE}.%{ARCH}\n" glibc
> glibc-2.5-10.fc6.i686
> glibc-2.5-3.i686
> glibc-2.6-3.i686

Your system is totally screwed up. You should never have different versions 
of glibc installed. rpm will not let you do it, left to its own devices. 
There was some serious breakage when you upgraded. You should look at what 
was saved in /root/upgrade.log.

You're not going to be able to press a single magic button, and fix this. 
You can begin by trying to remove both older versions of glibc via rpm. See 
if 'rpm -e glibc-2.5-10.fc6.i686 glibc-2.5-3.i686' runs without any errors. 
If so, then run 'rpm -V glibc' to see how badly screwed up is the most 
recent, remaining glibc.

But I suspect that glibc is not the only package that has multiple, 
conflicting, versions installed. Try running

rpm -q -a --queryformat '%{NAME}.%{ARCH}\n' | sort | uniq -c | sort -n

to see how many packages you've got that have multiple versions installed at 
the same time. You probably have hundreds of packages that need to be 
cleaned up by hand, before you have any hope of getting yum update to work. 
yum just doesn't know what to do when you have multiple versions of the same 
package, installed.

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