[Mediawiki-l] Uploading large files fails silently

[Platonides]

Pierre-Marc Fournier wrote:
> Hi,
> 
> On a mediawiki 1.15.1 linux installation, I can upload files smaller
> than 8 MB without problem.
> 
> With files >= 8 MB, once the transfer is complete, I am brought directly
> back to the Upload form, which is empty. The uploaded file is not in the
> images/ directory and not in the list of new files. This is 100%
> reproducible. No error is displayed either on the page, or in the apache
> logs.
> 
> I also had the problem with 1.14.0.
> 
> - The maximum php upload size is 40MB so that's not a problem.
> - I tried increasing max_execution_time and max_input_time in php.ini.
> These timeouts are definitely not reached.
> - I tried doubling the maximum memory usage of a php script (now 256MB).
> - Updated to the latest apache and php5 from debian testing.
> 
> Any ideas?
> 
> Thanks
> 
> pmf

Check php max post size.
You're sent to an empty upload form because mediawiki isn't even seeing
the data you sent. Php is filtering it.