Bug #81679 [Com]: PHP 8 opcache crashing when using JIT on Windows 2019

Edit report at https://bugs.php.net/bug.php?id=81679&edit=1 ID: 81679 Comment by: alex at ndros dot com Reported by: alex at ndros dot com Summary: PHP 8 opcache crashing when using JIT on Windows 2019 Status: Open Type: Bug Package: JIT Operating System: Windows Server 2019 PHP Version: 8.0.13 Block user comment: N Private report: N New Comment: This seem to happen to any PHP application. Previous Comments: ------------------------------------------------------------------------ [2021-11-30 22:50:04] alex at ndros dot com Description: ------------ Hi! We have discovered that as soon as we turn on jit with the following config; opcache.jit_buffer_size=64M opcache.jit=tracing We (what it seems to be randomly) get crashes. Also, CPU get's compeltely bottlenecked at 100% until we do IISRESET. C:\Program Files\PHP\v8.0\php-cgi.exe - The FastCGI process exited unexpectedly Module FastCgiModule Handler php-8.0.13 Error Code 0xc0000005 ----- Faulting application name: php-cgi.exe, version: 8.0.13.0, time stamp: 0x619429f5 Faulting module name: php_opcache.dll, version: 8.0.13.0, time stamp: 0x61942d4a Exception code: 0xc0000005 Fault offset: 0x000000000012a7cd Faulting process id: 0x8b38 Faulting application start time: 0x01d7e63c092eb6ad Faulting application path: C:\Program Files\PHP\v8.0\php-cgi.exe Faulting module path: C:\Program Files\PHP\v8.0\ext\php_opcache.dll Report Id: c9a1f978-17d7-4a3f-a340-3051ebe97f58 Faulting package full name: Faulting package-relative application ID: --- Fault bucket 1348990199055715320, type 4 Event Name: APPCRASH Response: Not available Cab Id: 0 Problem signature: P1: php-cgi.exe P2: 8.0.13.0 P3: 619429f5 P4: php_opcache.dll P5: 8.0.13.0 P6: 61942d4a P7: c0000005 P8: 000000000012a7cd P9: P10: Attached files: \\?\C:\ProgramData\Microsoft\Windows\WER\Temp\WER8F67.tmp.dmp \\?\C:\ProgramData\Microsoft\Windows\WER\Temp\WER8FE5.tmp.WERInternalMetadata.xml \\?\C:\ProgramData\Microsoft\Windows\WER\Temp\WER9005.tmp.xml \\?\C:\ProgramData\Microsoft\Windows\WER\Temp\WER9019.tmp.csv \\?\C:\ProgramData\Microsoft\Windows\WER\Temp\WER9039.tmp.txt These files may be available here: \\?\C:\ProgramData\Microsoft\Windows\WER\ReportArchive\AppCrash_php-cgi.exe_2058cbb22b56eff0f71936402f536fd764c1aa4d_4a81e604_b0659449 Analysis symbol: Rechecking for solution: 0 Report Id: c9a1f978-17d7-4a3f-a340-3051ebe97f58 Report Status: 268435456 Hashed bucket: 407a7897610279d7c2b8937054330bf8 Cab Guid: 0 ------------------------------------------------------------------------ -- Edit this bug report at https://bugs.php.net/bug.php?id=81679&edit=1