Quickpwn 2.2 cant reboot

2009-01-12 15:09:23 - Loaded .ipsw file from '/Users/axxxxxxxx/Library/iTunes/iPhone Software Updates/iPhone1,2_2.2_5G77_Restore.ipsw'.
2009-01-12 15:09:23 - Recognized .ipsw file as iPhone1,2_2.2_5G77.
------------------------------
2009-01-12 15:09:27 - Unzipping .ipsw file to /tmp/ipsw.
2009-01-12 15:09:35 - OK
2009-01-12 15:09:35 - Patching DeviceTree.
2009-01-12 15:09:35 - OK
2009-01-12 15:09:35 - Patching LLB.
2009-01-12 15:09:35 - OK
2009-01-12 15:09:35 - Patching WTF 2.
2009-01-12 15:09:35 - OK
2009-01-12 15:09:35 - Patching iBoot.
2009-01-12 15:09:35 - OK
2009-01-12 15:09:35 - Patching KernelCache.
2009-01-12 15:09:37 - OK
2009-01-12 15:09:37 - Patching iBSS.
2009-01-12 15:09:37 - OK
2009-01-12 15:09:40 - Attaching Quickpwn Ramdisk to '/Volumes/QuickPwnRamdisk'.
2009-01-12 15:09:42 - OK
2009-01-12 15:09:45 - Detaching Quickpwn Ramdisk from '/Volumes/QuickPwnRamdisk'.
2009-01-12 15:09:46 - OK
------------------------------
2009-01-12 15:09:48 - Successfully built Quickpwn Ramdisk file.


Full log of process but iPhone cant reboot at the end.

Used Pwnagetool 2.2.1 and 1600 error

Any comments ?

WBR

Solved :
My problem was :
Using 10.5.6 OsX
Tweak 10.5.5 and usb hub

Solution :
Combo 10.5.6
and USB Hub