Bug #78512 [Ver->Fbk]: Cannot make preload work

Edit report at https://bugs.php.net/bug.php?id=78512&edit=1 ID: 78512 Updated by: nikic@php.net Reported by: nicolas dot grekas+php at gmail dot com Summary: Cannot make preload work -Status: Verified +Status: Feedback Type: Bug Package: opcache PHP Version: 7.4.0RC1 Block user comment: N Private report: N New Comment: After https://github.com/php/php-src/commit/0a24cd4e7c38d7565905152d4286ef0404d9d591 I get: Warning: Can't preload already declared class Symfony\Bundle\FrameworkBundle\DependencyInjection\CompatibilityServiceSubscriberInterface in /home/nikic/repos/preload-test/vendor/symfony/framework-bundle/DependencyInjection/CompatibilityServiceSubscriberInterface.php on line 28 Warning: Can't preload already declared class Symfony\Contracts\EventDispatcher\EventDispatcherInterface in /home/nikic/repos/preload-test/vendor/symfony/event-dispatcher-contracts/EventDispatcherInterface.php on line 20 Warning: Can't preload unlinked class Symfony\Component\DependencyInjection\ExpressionLanguage: Unknown parent Symfony\Component\ExpressionLanguage\ExpressionLanguage in /home/nikic/repos/preload-test/vendor/symfony/dependency-injection/ExpressionLanguage.php on line 28 But otherwise it works. Do you see any further issues? Previous Comments: ------------------------------------------------------------------------ [2019-09-10 16:48:54] nikic@php.net I had to use -d opcache.preload=var/cache/dev/srcApp_KernelDevDebugContainer.preload.php. php: /home/nikic/php-7.4/ext/opcache/ZendAccelerator.c:4293: accel_preload: Assertion `zend_gc_refcount(&(ht)->gc) == 1' failed. ------------------------------------------------------------------------ [2019-09-10 16:07:51] nicolas dot grekas+php at gmail dot com I merged the needed code in Symfony so that it becomes easier to experiment with this. Today, I get: (514): Error Internal error: wrong size calculation: $PRELOAD$ start=0x00007fad51433380, end=0x00007fad51595870, real=0x00007fad515959e8 Here is my reproducer: composer create-project symfony/skeleton:4.4.x@dev preload-test cd preload-test php -S localhost:8000 -t public/ -dopcache.preload=var/cache/prod/srcApp_KernelProdContainer.preload.php -dopcache.preload_user=root FYI, I'm using docker pull devilbox/php-fpm-7.4 to get the code (built: Sep 9 2019 23:44:24). ------------------------------------------------------------------------ [2019-09-10 09:16:00] dmitry@php.net Not reproducible with PHP-7.4 GIT. $ wget -qO- http://localhost:8000/ array(8) { ["debug"]=> int(0) ["info"]=> int(1) ["notice"]=> int(2) ["warning"]=> int(3) ["error"]=> int(4) ["critical"]=> int(5) ["alert"]=> int(6) ["emergency"]=> int(7) } $ wget -qO- http://localhost:8000/stats.php | grep -a ComposerAutoloaderInit0fc59465a08737274a67ea5841756d9a [235] => ComposerAutoloaderInit0fc59465a08737274a67ea5841756d9a [82] => ComposerAutoloaderInit0fc59465a08737274a67ea5841756d9a ------------------------------------------------------------------------ [2019-09-08 13:58:53] nicolas dot grekas+php at gmail dot com Description: ------------ This is a follow up from https://bugs.php.net/78175 Using https://github.com/nicolas-grekas/symfony/releases/download/php-bugs/preload-failures-78175.tar.bz2 I run php -S localhost:8000 -t public/ -dopcache.preload=var/cache/prod/srcApp_KernelProdContainer.preload.php Then in another console: php info.php Today, this fails with Class'ComposerAutoloaderInit0fc59465a08737274a67ea5841756d9a' not found. When I call get_declared_classes(), the class is not listed. But when I call opcache_get_status(), I see the class listed in preload_statistics. ------------------------------------------------------------------------ -- Edit this bug report at https://bugs.php.net/bug.php?id=78512&edit=1