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--- litespeed_wiki:php:503-errors [2018/11/06 14:27]
Jackson Zhang [CloudLinux Limits Reached]
+++ litespeed_wiki:php:503-errors [2018/11/19 14:57]
Jackson Zhang
@@ Line 347: / Line 347: @@
 After (re)installation of LiteMage Cache extension in Magento Connect manager or enable other modules in Magento 2, Magento site may be placed in maintenancence mode and couldn't be accessed and may give 503 errors.  Please refer [[litespeed_wiki:cache:litemage:troubleshooting:connect-cache-session-cleaning-error|this]] for details.
+==== CloudLinux Imunify360 error ====
+check stderr.log, it shows:
+<code>
+  *** Error in `lsphp:/home/ukrainia/public_html/index.php': malloc(): memory corruption (fast): 0x00007fa380d45e40 ***
+  ======= Backtrace: =========
+  /lib64/libc.so.6(+0x7f574)[0x7fa37c07f574]
+  /lib64/libc.so.6(+0x82c90)[0x7fa37c082c90]
+  /lib64/libc.so.6(__libc_malloc+0x4c)[0x7fa37c0857dc]
+  /opt/cpanel/ea-php54/root/usr/lib64/php/modules/i360.so(+0xb80b)[0x7fa375fbe80b]
+  /opt/cpanel/ea-php54/root/usr/lib64/php/modules/i360.so(map_increment_int_+0xa2)[0x7fa375fbeaa2]
+</code>
+then
+  /opt/cpanel/ea-php54/root/usr/lib64/php/modules>mkdir backup
+  /opt/cpanel/ea-php54/root/usr/lib64/php/modules>mv i360.so backup/
+  /opt/cpanel/ea-php54/root/usr/lib64/php/modules>ls -l i360.so backup/
+  ls: cannot access i360.so: No such file or directory
+  backup/:
+  total 88
+  -rwxr-xr-x 1 root root 86568 Nov 15 12:37 i360.so
+The issue is fixed by disabling CloudLinux's i360.so. Please be aware that the bug could have been fixed by CloudLinux team when the time you read this wiki but it used to be a case to cause 503 error.
 ===== Advanced Troubleshooting Guide =====