id	summary	reporter	owner	description	type	status	priority	milestone	component	version	severity	resolution	keywords	cc
10831	Autoupgrade: Synchronous FTP client fails while plugin upgrade/installation (on some systems)	darkman82	dd32	"Decription here
http://wordpress.org/support/topic/288093

Apache/2.2.13 (Unix) DAV/2 mod_ssl/2.2.13 OpenSSL/0.9.8k configured

PHP 5.2.10 with Suhosin-Patch 0.9.7 (cli) (built: Jul 14 2009 11:56:54)

pure-ftpd-1.0.22-1

I solved by changing some lines of code in class-ftp-sockets.php 
(_exec and _readmsg)

Below the patch:
http://darkman.it/x/class-ftp-sockets.patch
"	defect (bug)	reviewing	normal	Future Release	Filesystem	2.8.4	normal		has-patch needs-testing