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Fatal error: Invalid opcode 153/1/8. in /includes/registration/ExtensionRegistry.php on line 247 due to eAccelerator
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Hi, I encountered this error on my installation of MW 1.25.1 PHP 5.3.28 (apache2handler) MySQL 5.5.37

Google search tells me that it has something to do with eAccelerator, and some suggested to turn it off. Problem is, the eAccelerator is an integral part on the other projects on the server, so it's an automatic no. Whan can I do to resolve this problem in MW side? The same happened with MW 1.23 installation, but MW 1.19 working fine (and no, I can't downgrade it to 1.19)

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Bennylin created this task.Aug 31 2015, 4:47 PM
Bennylin raised the priority of this task from to Needs Triage.
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Restricted Application added a subscriber: Aklapper. · View Herald TranscriptAug 31 2015, 4:47 PM

I was pointed out to the fork managed by people at NEC at Is there anybody who used the original eAccelerator previously and got the error and moved to this branch? Did it solve the problem or not? The person who I could ask to update the eAccelerator was mostly not available to reach due to his busyness, so I can't test it for myself.

@Bennylin: This might be a configuration support request. Have you brought this up on ? If so, link is welcome.

Bennylin closed this task as Resolved.Sep 14 2015, 10:17 AM
Bennylin set Security to None.

After the old eAccelerator was replaced by XCache, the error was resolved.

Aklapper renamed this task from Fatal error: Invalid opcode 153/1/8. in /w/includes/registration/ExtensionRegistry.php on line 247 to Fatal error: Invalid opcode 153/1/8. in /includes/registration/ExtensionRegistry.php on line 247 due to eAccelerator.Sep 14 2015, 11:40 AM
Aklapper changed the task status from Resolved to Declined.