已安装PHP GD库但在CentOS 6.4上无法运行

我从remi repo安装了php 5.5.6,bun phpinfo()显示没有GD库,gd_info()功能不存在.

扩展已启用/etc/php.d/gd.ini,但仍然没有.

我也尝试重新安装php-gd库并重新安装成功,但一切都保持原样.

yum --enablerepo=remi,remi-php55 reinstall php-gd
Loaded plugins: fastestmirror
Setting up Reinstall Process
Loading mirror speeds from cached hostfile
 * base: mirrors.supportex.net
 * epel: mirror.muntinternet.net
 * extras: mirrors.supportex.net
 * remi: mirror.1000mbps.com
 * remi-php55: mirror.1000mbps.com
 * rpmforge: mirror.nl.leaseweb.net
 * updates: mirror.muntinternet.net
Resolving Dependencies
--> Running transaction check
---> Package php-gd.x86_64 0:5.5.6-1.el6.remi will be reinstalled
--> Finished Dependency Resolution

Dependencies Resolved

====================================================================================================================================
 Package                    Arch                       Version                                     Repository                      Size
====================================================================================================================================
Reinstalling:
 php-gd                     x86_64                     5.5.6-1.el6.remi                            remi-php55                      66 k

Transaction Summary
====================================================================================================================================
Reinstall     1 Package(s)

Total download size: 66 k
Installed size: 228 k
Is this ok [y/N]: y
Downloading Packages:
php-gd-5.5.6-1.el6.remi.x86_64.rpm                                                                               |  66 kB     00:00
Running rpm_check_debug
Running Transaction Test
Transaction Test Succeeded
Running Transaction
  Installing : php-gd-5.5.6-1.el6.remi.x86_64                                                                                       1/1
  Verifying  : php-gd-5.5.6-1.el6.remi.x86_64                                                                                       1/1

Installed:
  php-gd.x86_64 0:5.5.6-1.el6.remi

Complete!

之后我重新启动了服务器,但没有改变.

扩展仍在gd.ini文件中启用.

文件gd.so存在于/usr/lib64/php/modules.

但是有一个大问题(我认为这就是原因):从控制台启动php脚本时,我收到警告:

PHP Warning: PHP Startup: Unable to load dynamic library '/usr/lib64/php/modules/gd.so' - libvpx.so.0: cannot map zero-fill pages: Cannot allocate memory in Unknown on line 0

比我尝试重新安装libvpx,重新启动服务器再次 - 没有变化:相同的PHP警告unable to load library ....

请帮忙 - 这个问题让我抓狂:(