centos使用yum更新加速后不能安装更新

[root@CoentOS4 ~]# cd /
[root@CoentOS4 /]# yum update
Loading "fastestmirror" plugin
Setting up Update Process
Setting up repositories
Loading mirror speeds from cached hostfile
Reading repository metadata in from local files
Resolving Dependencies
--> Populating transaction set with selected packages. Please wait.
---> Package seamonkey-nspr.i386 0:1.0.9-7.el4.centos set to be updated
---> Package libxml2.i386 0:2.6.16-10.1 set to be updated
---> Package lvm2.i386 0:2.02.27-2.el4_6.1 set to be updated
---> Package python-devel.i386 0:2.3.4-14.4.el4_6.1 set to be updated
---> Package net-snmp-libs.i386 0:5.1.2-11.el4_6.11.2 set to be updated
---> Package samba-common.i386 0:3.0.25b-1.el4_6.4 set to be updated
---> Package audit-libs.i386 0:1.0.15-3.el4_6.1 set to be updated
---> Package audit.i386 0:1.0.15-3.el4_6.1 set to be updated
---> Package kernel.i686 0:2.6.9-67.0.1.EL set to be installed
---> Package seamonkey-nss.i386 0:1.0.9-7.el4.centos set to be updated
---> Package pcre.i386 0:4.5-4.el4_6.6 set to be updated
---> Package python.i386 0:2.3.4-14.4.el4_6.1 set to be updated
---> Package util-linux.i386 0:2.12a-17.el4_6.1 set to be updated
---> Package e2fsprogs.i386 0:1.35-12.11.el4_6.1 set to be updated
---> Package tog-pegasus.i386 2:2.5.1-5.el4_6.1 set to be updated
---> Package libxml2-devel.i386 0:2.6.16-10.1 set to be updated
---> Package openldap-devel.i386 0:2.2.13-8.el4_6.2 set to be updated
---> Package openldap.i386 0:2.2.13-8.el4_6.2 set to be updated
---> Package tog-pegasus-devel.i386 2:2.5.1-5.el4_6.1 set to be updated
---> Package tzdata.noarch 0:2007k-1.el4 set to be updated
---> Package e2fsprogs-devel.i386 0:1.35-12.11.el4_6.1 set to be updated
---> Package module-init-tools.i386 0:3.1-0.pre5.3.4.el4_6.1 set to be updated
---> Package gdb.i386 0:6.3.0.0-1.153.el4_6.1 set to be updated
---> Package samba-client.i386 0:3.0.25b-1.el4_6.4 set to be updated
---> Package libxml2-python.i386 0:2.6.16-10.1 set to be updated
---> Package libexif.i386 0:0.5.12-5.1.0.2.el4_6.1 set to be updated
--> Running transaction check

Dependencies Resolved

=============================================================================
Package Arch Version Repository Size
=============================================================================
Installing:
kernel i686 2.6.9-67.0.1.EL update 12 M
Updating:
audit i386 1.0.15-3.el4_6.1 update 201 k
audit-libs i386 1.0.15-3.el4_6.1 update 38 k
e2fsprogs i386 1.35-12.11.el4_6.1 update 775 k
e2fsprogs-devel i386 1.35-12.11.el4_6.1 update 487 k
gdb i386 6.3.0.0-1.153.el4_6.1 update 2.6 M
libexif i386 0.5.12-5.1.0.2.el4_6.1 update 73 k
libxml2 i386 2.6.16-10.1 update 620 k
libxml2-devel i386 2.6.16-10.1 update 1.8 M
libxml2-python i386 2.6.16-10.1 update 440 k
lvm2 i386 2.02.27-2.el4_6.1 update 2.0 M
module-init-tools i386 3.1-0.pre5.3.4.el4_6.1 update 348 k
net-snmp-libs i386 5.1.2-11.el4_6.11.2 update 1.7 M openldap i386 2.2.13-8.el4_6.2 update 237 k
openldap-devel i386 2.2.13-8.el4_6.2 update 1.3 M
pcre i386 4.5-4.el4_6.6 update 59 k
python i386 2.3.4-14.4.el4_6.1 update 4.8 M
python-devel i386 2.3.4-14.4.el4_6.1 update 1.4 M
samba-client i386 3.0.25b-1.el4_6.4 update 4.5 M
samba-common i386 3.0.25b-1.el4_6.4 update 7.5 M
seamonkey-nspr i386 1.0.9-7.el4.centos update 99 k
seamonkey-nss i386 1.0.9-7.el4.centos update 744 k
tog-pegasus i386 2:2.5.1-5.el4_6.1 update 6.2 M
tog-pegasus-devel i386 2:2.5.1-5.el4_6.1 update 162 k
tzdata noarch 2007k-1.el4 update 450 k
util-linux i386 2.12a-17.el4_6.1 update 1.5 M

Transaction Summary
=============================================================================
Install 1 Package(s)
Update 25 Package(s)
Remove 0 Package(s)
Total download size: 52 M
Is this ok [y/N]: y
Downloading Packages:
Running Transaction Test
Finished Transaction Test
Transaction Test Succeeded
Running Transaction
段错误
[root@CoentOS4 /]#