>>690
やってみましたが、同じ現象です。
ソースを載せます。
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<?php
echo "error=".$_FILES['userfile']['error']."\n";
flush();
ob_flush();
$uploaddir = '/home/foo/data/upload/';
$uploadfile = $uploaddir . basename($_FILES['userfile']['name']);

echo '<pre>';
if (move_uploaded_file($_FILES['userfile']['tmp_name'], $uploadfile)) {
echo "File is valid, and was successfully uploaded.\n";
} else {
echo "Possible file upload attack!\n";
}

echo 'Here is some more debugging info:';
print_r($_FILES);

print "</pre>";

?>
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Apacheの設定が悪いのでしょうか・・・orz