Magento Redis read error on connection

read error on connection

Trace:

#1 lib/Mage/Cache/Backend/Redis.php(210): Credis_Client->hGet('zc:k:0cd_FPC_DE...', 'd')

#2 lib/Zend/Cache/Core.php(303): Mage_Cache_Backend_Redis->load('0cd_FPC_DESIGN_...', false)

#3 lib/Varien/Cache/Core.php(158): Zend_Cache_Core->load('FPC_DESIGN_EXCE...', false, false)

#4 app/code/core/Mage/Core/Model/Cache.php(379): Varien_Cache_Core->load('FPC_DESIGN_EXCE...')

#5 app/code/core/Enterprise/PageCache/Model/Processor.php(185): Mage_Core_Model_Cache->load('FPC_DESIGN_EXCE...')

#6 app/code/core/Enterprise/PageCache/Model/Processor.php(146): Enterprise_PageCache_Model_Processor->_getDesignPackage()

#7 app/code/core/Enterprise/PageCache/Model/Processor.php(108): Enterprise_PageCache_Model_Processor->_createRequestIds()

#8 app/code/core/Mage/Core/Model/Cache.php(703): Enterprise_PageCache_Model_Processor->__construct()

#9 app/code/core/Mage/Core/Model/Cache.php(685): Mage_Core_Model_Cache->_getProcessor('Enterprise_Page...')

#10 app/code/core/Mage/Core/Model/App.php(340): Mage_Core_Model_Cache->processRequest()

#11 app/Mage.php(683): Mage_Core_Model_App->run(Array)

#12 /var/www/source/index.php(87): Mage::run('', 'store')

<cache>

        <backend>Mage_Cache_Backend_Redis</backend>

        <backend_options>

                <server>127.0.0.1</server>

                <port>6379</port>

                <persistent></persistent>

                <database>0</database>

                <password></password>

                <force_standalone>0</force_standalone>

                <connect_retries>1</connect_retries>

                <read_timeout>10</read_timeout><!--add this-->

                <lifetimelimit>57600</lifetimelimit>

                <compress_data>0</compress_data>

        </backend_options>

</cache>