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No, in my case I was using APC 3.1.13 Opcode cache with PHP 5.3 and everything worked fine; but then I upgraded the server to PHP 5.4 and didn't realise that APC didn't work very well with PHP 5.4 so kept looking at all manner of other things as the cause of the double-posting, including some XF add-ons that seemed to make things worse when they were installed and enable.It was only by chance that I had a double-posting episode at precisely the time that the server does the Apache log rotation, which I know also flushed the APC cache, which sent me looking in the error logs where I found lots of seg faults that seemed to coincide with previous episodes that I'd been logging the rough time/date details of.Researching the seg fault 11's online lead me to discover other people had similar strange issues on their servers with the PHP 5.4 / APC combination, which seemed to go away when they removed APC (most of them in favour of Zend Opcache). I made the switch on my own server and that has resolved the problem. Cheers,Shaun
No, in my case I was using APC 3.1.13 Opcode cache with PHP 5.3 and everything worked fine; but then I upgraded the server to PHP 5.4 and didn't realise that APC didn't work very well with PHP 5.4 so kept looking at all manner of other things as the cause of the double-posting, including some XF add-ons that seemed to make things worse when they were installed and enable.
It was only by chance that I had a double-posting episode at precisely the time that the server does the Apache log rotation, which I know also flushed the APC cache, which sent me looking in the error logs where I found lots of seg faults that seemed to coincide with previous episodes that I'd been logging the rough time/date details of.
Researching the seg fault 11's online lead me to discover other people had similar strange issues on their servers with the PHP 5.4 / APC combination, which seemed to go away when they removed APC (most of them in favour of Zend Opcache). I made the switch on my own server and that has resolved the problem.
Cheers,
Shaun
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