Hi
I'm using kernel 2.6.17 fc5 and apply the lttng( ltt next generation) patch since i can't find ltt patch on 2.6.17. then i compile the kernel and install lttv(ltt viewer). but lttv can't start to trace . the error message is :

Executing (as root) : exec /usr/local/bin/lttctl -l /mnt/relayfs/ltt -t /tmp/trace1 -n trace -m normal -d -N 1
Linux Trace Toolkit Trace Control

Controlling trace : trace

Linux Trace Toolkit Trace Daemon

Reading from relayfs directory : /mnt/relayfs/ltt/trace
Writing to trace directory : /tmp/trace1

signal 17 received
Error in waitpid: No child processes
Trace start error

** (lttv.real:4942): WARNING **: An error occured in the su command : No child processes

Please tell me how to solve the problem if anyone have installed the lttv before or if you know where to download the latest ltt patch for 2.6.17 or 2.6.9 .Thanks a lot.