MediaWiki hanging after image upload

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The Dreamhost web hosting thread below was started by SarekOfVulcan on 2009-01-15 05:36:09:

Post Reply? I did the one-click install for http://donnael.com/GXCWiki/ and then used the site for a while. After a few days, I enabled image uploads and uploaded an PNG file. The site hung, and eventually came back with an Internal Server Error. PHP error logging is not enabled: the Apache error log says “Premature end of script headers: php5.cgi”. I tried enabling error logging as instructed in http://wiki.dreamhost.com/PHP.ini, but that broke my blog’s subdomain. Other applications on that domain work, but this one is completely hosed. Any thoughts? Thanks.

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