Superuser not working on 4.0.1 3.0.8-FuguMod kernel on Galaxy S

[baole]

I found this in logcat:

02-22 13:30:30.843: I/System(1876): Failed to destroy process 2033
02-22 13:30:30.859: I/System(1876): libcore.io.ErrnoException: kill failed: ESRCH (No such process)
02-22 13:30:30.859: I/System(1876): at libcore.io.Posix.kill(Native Method)
02-22 13:30:30.859: I/System(1876): at libcore.io.ForwardingOs.kill(ForwardingOs.java:77)
02-22 13:30:30.859: I/System(1876): at java.lang.ProcessManager$ProcessImpl.destroy(ProcessManager.java:257)

Saw issue #43, I've already updated su to v3.0.3.2, but it does help.