Bug #78963 [Com]: php-fpm-7.4.0 can't access devices

Edit report at https://bugs.php.net/bug.php?id=78963&edit=1 ID: 78963 Comment by: jeanmarc dot louviaux at gmail dot com Reported by: jeanmarc dot louviaux at gmail dot com Summary: php-fpm-7.4.0 can't access devices Status: Open Type: Bug Package: FPM related Operating System: Arch PHP Version: 7.4.0 Block user comment: N Private report: N New Comment: Hi, thanks for pointing me this but i can't still get it working. I have tried changing php-fpm.service but adding : #Access /dev PrivateDevices=no DevicePolicy=auto #DeviceAllow=true Obviously did systemctl daemon-reload and systemctl restart php-fpm But can't access to any /dev Could you please help me with that ? Cheers Previous Comments: ------------------------------------------------------------------------ [2019-12-15 16:32:42] bugreports at gmail dot com learn about systemd-dropins and set PrivateDevices=no this change of defaults is completly deserved https://docs.flatcar-linux.org/os/using-systemd-drop-in-units/ ------------------------------------------------------------------------ [2019-12-15 13:37:13] jeanmarc dot louviaux at gmail dot com Description: ------------ Hello, I'am using app via php-fpm that communicate with some of my USB ports (Arduino, electric meters and a solar inverter) It was running for years without any hitchs. I just had to usermod -a -G uucp http. Since php-fpm-7.4.0 i'am unable to access them, so i had to downgrade. Could you please fix that ? Cheers Test script: --------------- <?php $com = "aurora -a 2 -c -T -Y3 -l4 -d0 -e /dev/ttyUSB1"; //$com = "ls -al /dev/"; //$com = "poolmeters ws"; exec("$com 2>&1", $datareturn); $datareturn = trim(implode($datareturn)); echo $datareturn; ?> Expected result: ---------------- Get returns from my devices ;) Actual result: -------------- Unable to open any dev/port ------------------------------------------------------------------------ -- Edit this bug report at https://bugs.php.net/bug.php?id=78963&edit=1