Possible bug in SMF Webinstaller and PHP 5?

[Stallyon]

ERROR: Warning: unpack() [function.unpack]: Type H: not enough input, need 1, have 0 in /home/username/public_html/smf/webinstall.php on line 1051

SERVER INFO:
Dedicated Dual Opteron 265 CentOS Enterprise 4.5 x86_64 (Kernel 2.6.18-xen)
Apache 2.2.4
PHP 5.2.3 (Zend Optimizer 3.3.0 and Zend Platform 3.0.3)
MySQL 5.0.27

Think this is a problem with my server software (PHP 5 bug?) or something I have done wrong?

[SleePy]

This is actually a problem with server configuration.
If I remember right that error is saying the tmp file that is generated when getting the latest version of SMF is empty and it can't decompress it basically.

I run really close to the same setup on my test site and It functions fine.

[Stallyon]

What would it be then? What module is not doing as it should?

[SleePy]

No module, just your server isn't reading/being allowed to read the remote file  OR it isn't being allowed to save the .tmp file.