请教一下networkmanager-openvpn的问题

装了AUR的networkmanager-openvpn,但是连接的时候提示说timeout。
注：我在Ubuntu下可以正常连接。
下面的是daemon.log内容，哪位能否帮忙看看，怎么样才能解决连接不上VPN的问题。
谢谢。

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Sep 5 20:45:50 myhost NetworkManager: <info> Starting VPN service 'org.freedesktop.NetworkManager.openvpn'...
Sep 5 20:45:50 myhost NetworkManager: <info> VPN service 'org.freedesktop.NetworkManager.openvpn' started (org.freedesktop.NetworkManager.openvpn), PID 2137
Sep 5 20:45:50 myhost NetworkManager: <info> VPN service 'org.freedesktop.NetworkManager.openvpn' just appeared, activating connections
Sep 5 20:45:50 myhost NetworkManager: <info> VPN plugin state changed: 1
Sep 5 20:45:50 myhost NetworkManager: <info> VPN plugin state changed: 3
Sep 5 20:45:50 myhost nm-openvpn[2139]: OpenVPN 2.1_rc19 i686-pc-linux-gnu [SSL] [LZO2] [EPOLL] built on Jul 25 2009
Sep 5 20:45:50 myhost NetworkManager: <info> VPN connection 'client' (Connect) reply received.
Sep 5 20:46:30 myhost NetworkManager: <info> VPN connection 'client' (IP Config Get) timeout exceeded.
Sep 5 20:46:30 myhost nm-openvpn[2139]: ERROR: could not read Auth username/password/ok/string from management interface
Sep 5 20:46:30 myhost nm-openvpn[2139]: Exiting
Sep 5 20:46:30 myhost NetworkManager: <info> Policy set 'Auto Oasis' (eth1) as default for routing and DNS.
Sep 5 20:46:42 myhost NetworkManager: <debug> [1252154802.002160] ensure_killed(): waiting for vpn service pid 2137 to exit
Sep 5 20:46:42 myhost NetworkManager: <debug> [1252154802.002319] ensure_killed(): vpn service pid 2137 cleaned up

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补充一下，用命令行方式(sudo openvpn)就可以。。。