SQLSTATE[HY000]: General error: 1030 Got error 122 from storage engine

#0 /home/joy/public_html/lib/Varien/Db/Statement/Pdo/Mysql.php(110): Zend_Db_Statement_Pdo->_execute(Array)
#1 /home/joy/public_html/app/code/core/Zend/Db/Statement.php(291): Varien_Db_Statement_Pdo_Mysql->_execute(Array)
#2 /home/joy/public_html/lib/Zend/Db/Adapter/Abstract.php(479): Zend_Db_Statement->execute(Array)
#3 /home/joy/public_html/lib/Zend/Db/Adapter/Pdo/Abstract.php(238): Zend_Db_Adapter_Abstract->query('DESCRIBE `catal...', Array)
#4 /home/joy/public_html/lib/Varien/Db/Adapter/Pdo/Mysql.php(428): Zend_Db_Adapter_Pdo_Abstract->query('DESCRIBE `catal...', Array)
#5 /home/joy/public_html/lib/Zend/Db/Adapter/Pdo/Mysql.php(156): Varien_Db_Adapter_Pdo_Mysql->query('DESCRIBE `catal...')
#6 /home/joy/public_html/lib/Varien/Db/Adapter/Pdo/Mysql.php(1596): Zend_Db_Adapter_Pdo_Mysql->describeTable('catalog_product...', NULL)
#7 /home/joy/public_html/app/code/core/Mage/Catalog/Model/Resource/Product/Flat.php(121): Varien_Db_Adapter_Pdo_Mysql->describeTable('catalog_product...')
#8 /home/joy/public_html/app/code/core/Mage/Catalog/Model/Resource/Product/Collection.php(505): Mage_Catalog_Model_Resource_Product_Flat->getAttributeForSelect('entity_id')
#9 /home/joy/public_html/app/code/core/Mage/Catalog/Model/Resource/Product/Collection.php(456): Mage_Catalog_Model_Resource_Product_Collection->addAttributeToSelect(Array)
#10 /home/joy/public_html/app/code/core/Mage/Eav/Model/Entity/Collection/Abstract.php(127): Mage_Catalog_Model_Resource_Product_Collection->_initSelect()
#11 /home/joy/public_html/app/code/core/Mage/Catalog/Model/Resource/Product/Collection.php(226): Mage_Eav_Model_Entity_Collection_Abstract->__construct(Array)
#12 /home/joy/public_html/app/code/core/Mage/Core/Model/Config.php(1348): Mage_Catalog_Model_Resource_Product_Collection->__construct(Array)
#13 /home/joy/public_html/app/code/core/Mage/Core/Model/Config.php(1380): Mage_Core_Model_Config->getModelInstance('catalog_resourc...', Array)
#14 /home/joy/public_html/app/Mage.php(496): Mage_Core_Model_Config->getResourceModelInstance('catalog/product...', Array)
#15 /home/joy/public_html/app/code/core/Mage/Catalog/Model/Category.php(286): Mage::getResourceModel('catalog/product...')
#16 /home/joy/public_html/app/code/core/Mage/Catalog/Model/Layer.php(102): Mage_Catalog_Model_Category->getProductCollection()
#17 /home/joy/public_html/app/code/core/Mage/Catalog/Model/Layer.php(290): Mage_Catalog_Model_Layer->getProductCollection()
#18 /home/joy/public_html/app/code/core/Mage/Catalog/Model/Layer.php(220): Mage_Catalog_Model_Layer->_getSetIds()
#19 /home/joy/public_html/app/code/core/Mage/Catalog/Block/Layer/View.php(163): Mage_Catalog_Model_Layer->getFilterableAttributes()
#20 /home/joy/public_html/app/code/core/Mage/Catalog/Block/Layer/View.php(122): Mage_Catalog_Block_Layer_View->_getFilterableAttributes()
#21 /home/joy/public_html/app/code/core/Mage/Core/Block/Abstract.php(293): Mage_Catalog_Block_Layer_View->_prepareLayout()
#22 /home/joy/public_html/app/code/core/Mage/Core/Model/Layout.php(456): Mage_Core_Block_Abstract->setLayout(Object(Mage_Core_Model_Layout))
#23 /home/joy/public_html/app/code/core/Mage/Core/Model/Layout.php(472): Mage_Core_Model_Layout->createBlock('catalog/layer_v...', 'catalog.leftnav')
#24 /home/joy/public_html/app/code/core/Mage/Core/Model/Layout.php(239): Mage_Core_Model_Layout->addBlock('catalog/layer_v...', 'catalog.leftnav')
#25 /home/joy/public_html/app/code/core/Mage/Core/Model/Layout.php(205): Mage_Core_Model_Layout->_generateBlock(Object(Mage_Core_Model_Layout_Element), Object(Mage_Core_Model_Layout_Element))
#26 /home/joy/public_html/app/code/core/Mage/Core/Model/Layout.php(210): Mage_Core_Model_Layout->generateBlocks(Object(Mage_Core_Model_Layout_Element))
#27 /home/joy/public_html/app/code/core/Mage/Core/Controller/Varien/Action.php(344): Mage_Core_Model_Layout->generateBlocks()
#28 /home/joy/public_html/app/code/core/Mage/Catalog/controllers/CategoryController.php(148): Mage_Core_Controller_Varien_Action->generateLayoutBlocks()
#29 /home/joy/public_html/app/code/core/Mage/Core/Controller/Varien/Action.php(418): Mage_Catalog_CategoryController->viewAction()
#30 /home/joy/public_html/app/code/core/Mage/Core/Controller/Varien/Router/Standard.php(250): Mage_Core_Controller_Varien_Action->dispatch('view')
#31 /home/joy/public_html/app/code/core/Mage/Core/Controller/Varien/Front.php(172): Mage_Core_Controller_Varien_Router_Standard->match(Object(Mage_Core_Controller_Request_Http))
#32 /home/joy/public_html/app/code/core/Mage/Core/Model/App.php(354): Mage_Core_Controller_Varien_Front->dispatch()
#33 /home/joy/public_html/app/Mage.php(689): Mage_Core_Model_App->run(Array)
#34 /home/joy/public_html/index.php(94): Mage::run('', 'store')
#35 {main}