J'essaie de mettre mon système à jour et voilà ce qu'il se passe :
[root@localhost ~]# yum update
Existing lock /var/run/yum.pid: another copy is running as pid 2453.
Another app is currently holding the yum lock; waiting for it to exit...
Another app is currently holding the yum lock; waiting for it to exit...
Another app is currently holding the yum lock; waiting for it to exit...
Another app is currently holding the yum lock; waiting for it to exit...
Another app is currently holding the yum lock; waiting for it to exit...
Another app is currently holding the yum lock; waiting for it to exit...
Another app is currently holding the yum lock; waiting for it to exit...
Another app is currently holding the yum lock; waiting for it to exit...
Another app is currently holding the yum lock; waiting for it to exit...
Another app is currently holding the yum lock; waiting for it to exit...
Another app is currently holding the yum lock; waiting for it to exit...
Another app is currently holding the yum lock; waiting for it to exit...
Another app is currently holding the yum lock; waiting for it to exit...
Another app is currently holding the yum lock; waiting for it to exit...
Another app is currently holding the yum lock; waiting for it to exit...
Another app is currently holding the yum lock; waiting for it to exit...
Setting up Update Process
Resolving Dependencies
--> Running transaction check
---> Package metacity.i386 0:2.18.5-2.fc7 set to be updated
---> Package SDL.i386 0:1.2.12-1.fc7 set to be updated
---> Package selinux-policy-targeted.noarch 0:2.6.4-42.fc7 set to be updated
---> Package system-config-users.noarch 0:1.2.64-1.fc7 set to be updated
---> Package libsmbios-libs.i386 0:0.13.10-1.fc7 set to be updated
---> Package yum-updatesd.noarch 0:3.2.5-1.fc7 set to be updated
---> Package libdvdnav.i386 0:0.1.10-4.20070503.lvn7 set to be updated
---> Package linuxwacom.i386 0:0.7.6.4-3.fc7 set to be updated
---> Package xorg-x11-drv-nvidia.i386 0:100.14.19-2.lvn7 set to be updated
---> Package thunderbird.i386 0:2.0.0.5-2.fc7 set to be updated
---> Package libdhcp6client.i386 0:0.10-44.fc7 set to be updated
---> Package sendmail.i386 0:8.14.1-4.2.fc7 set to be updated
---> Package elinks.i386 0:0.11.3-1.fc7 set to be updated
---> Package procps.i386 0:3.2.7-16.fc7 set to be updated
---> Package ntfs-3g.i386 2:1.913-2.fc7 set to be updated
---> Package fuse.i386 0:2.7.0-4.fc7 set to be updated
---> Package system-config-date.noarch 0:1.9.5-1.fc7 set to be updated
---> Package libdhcp4client.i386 12:3.0.5-40.fc7 set to be updated
---> Package yum.noarch 0:3.2.5-1.fc7 set to be updated
---> Package kmod-nvidia.i686 0:100.14.19-1.2.6.22.5_76.fc7 set to be updated
---> Package libtirpc.i386 0:0.1.7-9.fc7 set to be updated
---> Package selinux-policy.noarch 0:2.6.4-42.fc7 set to be updated
---> Package iptables-ipv6.i386 0:1.3.8-2.1.fc7 set to be updated
---> Package iptstate.i386 0:2.2.1-1.fc7 set to be updated
--> Processing Dependency: libnetfilter_conntrack.so.1 for package: iptstate
---> Package iptables.i386 0:1.3.8-2.1.fc7 set to be updated
---> Package dhcpv6_client.i386 0:0.10-44.fc7 set to be updated
---> Package fuse-libs.i386 0:2.7.0-4.fc7 set to be updated
---> Package httpd.i386 0:2.2.6-1.fc7 set to be updated
---> Package dhclient.i386 12:3.0.5-40.fc7 set to be updated
--> Running transaction check
---> Package libnetfilter_conntrack.i386 0:0.0.50-4.fc7 set to be updated
--> Processing Dependency: libnfnetlink.so.0 for package: libnetfilter_conntrack
--> Running transaction check
---> Package libnfnetlink.i386 0:0.0.30-1.fc7 set to be updated
--> Finished Dependency Resolution
--> Running transaction check
---> Package kmod-nvidia.i686 0:100.14.11-1.2.6.22.4_65.fc7 set to be erased
--> Finished Dependency Resolution

Dependencies Resolved

=============================================================================
 Package                 Arch       Version          Repository        Size 
=============================================================================
Updating:
 SDL                     i386       1.2.12-1.fc7     updates           219 k
 dhclient                i386       12:3.0.5-40.fc7  updates           274 k
 dhcpv6_client           i386       0.10-44.fc7      updates            84 k
 elinks                  i386       0.11.3-1.fc7     updates           1.0 M
 fuse                    i386       2.7.0-4.fc7      updates            80 k
 fuse-libs               i386       2.7.0-4.fc7      updates            70 k
 httpd                   i386       2.2.6-1.fc7      updates           996 k
 iptables-ipv6           i386       1.3.8-2.1.fc7    updates           176 k
 iptstate                i386       2.2.1-1.fc7      updates            39 k
 libdhcp4client          i386       12:3.0.5-40.fc7  updates           247 k
 libdhcp6client          i386       0.10-44.fc7      updates            78 k
 libdvdnav               i386       0.1.10-4.20070503.lvn7  livna             123 k
 libsmbios-libs          i386       0.13.10-1.fc7    updates           237 k
 libtirpc                i386       0.1.7-9.fc7      updates            74 k
 linuxwacom              i386       0.7.6.4-3.fc7    updates           182 k
 metacity                i386       2.18.5-2.fc7     updates           2.2 M
 ntfs-3g                 i386       2:1.913-2.fc7    updates           145 k
 procps                  i386       3.2.7-16.fc7     updates           209 k
 selinux-policy-targeted  noarch     2.6.4-42.fc7     updates           1.0 M
 sendmail                i386       8.14.1-4.2.fc7   updates           832 k
 system-config-date      noarch     1.9.5-1.fc7      updates           1.1 M
 system-config-users     noarch     1.2.64-1.fc7     updates           383 k
 thunderbird             i386       2.0.0.5-2.fc7    updates            23 M
 yum-updatesd            noarch     3.2.5-1.fc7      updates            23 k
Removing:
 kmod-nvidia             i686       100.14.11-1.2.6.22.4_65.fc7  installed         7.5 M
Installing for dependencies:
 kmod-nvidia             i686       100.14.19-1.2.6.22.5_76.fc7  livna             2.1 M
 libnetfilter_conntrack  i386       0.0.50-4.fc7     fedora             43 k
 libnfnetlink            i386       0.0.30-1.fc7     updates            22 k
Updating for dependencies:
 iptables                i386       1.3.8-2.1.fc7    updates           242 k
 selinux-policy          noarch     2.6.4-42.fc7     updates           359 k
 xorg-x11-drv-nvidia     i386       100.14.19-2.lvn7  livna             4.9 M
 yum                     noarch     3.2.5-1.fc7      updates           543 k

Transaction Summary
=============================================================================
Install      3 Package(s)         
Update      28 Package(s)         
Remove       1 Package(s)         

Total download size: 41 M
Is this ok [y/N]: y
Downloading Packages:
(1/7): fuse-libs-2.7.0-4. 100% |=========================|  70 kB    00:01     
(2/7): iptables-1.3.8-2.1 100% |=========================| 242 kB    00:03     
(3/7): iptables-ipv6-1.3. 100% |=========================| 176 kB    00:02     
(4/7): fuse-2.7.0-4.fc7.i 100% |=========================|  80 kB    00:01     
(5/7): ntfs-3g-1.913-2.fc 100% |=========================| 145 kB    00:02     
(6/7): elinks-0.11.3-1.fc 100% |=========================| 1.0 MB    00:16     
(7/7): xorg-x11-drv-nvidi 100% |=========================| 4.9 MB    01:19     
Running rpm_check_debug
Running Transaction Test
Finished Transaction Test


Transaction Check Error:
  file /lib/modules/2.6.22.5-76.fc7/extra/nvidia/nvidia.ko from install of kmod-nvidia-100.14.19-1.2.6.22.5_76.fc7 conflicts with file from package kmod-nvidia-100.14.11-1.2.6.22.5_76.fc7

Error Summary
-------------

[root@localhost ~]#
Moi pas comprendre !!