<div dir="ltr"><span style="font-family:arial,sans-serif;font-size:13px">Hello,</span><div style="font-family:arial,sans-serif;font-size:13px">Sorry for being away a few days. My thesis opening proposal is hiting the deadline, which happens to be same date for GSoC. Now I can be fully devoted to lttng and compose my GSoC proposal.</div>
<div style="font-family:arial,sans-serif;font-size:13px"><br></div><div style="font-family:arial,sans-serif;font-size:13px">Anyway, I may have found a bug.I'm not very sure. Here is my log:</div><div style="font-family:arial,sans-serif;font-size:13px">
<br></div><div style="font-family:arial,sans-serif;font-size:13px">===================================================</div><div style="font-family:arial,sans-serif;font-size:13px"><div>[lynus@slave1 ~]$lttng create</div>
<div>Spawning a session daemon</div><div>Session auto-20140319-081547 created.</div><div>Traces will be written in /home/lynus/lttng-traces/auto-20140319-081547</div><div>[lynus@slave1 ~]$ lttng enable-event page_block -k</div>
<div>Error: Event page_block: Tracing the kernel requires a root lttng-sessiond daemon, as well as "tracing" group membership or root user ID for the lttng client. (channel channel0, session auto-20140319-081547)</div>
<div>Warning: Some command(s) went wrong</div><div>[lynus@slave1 ~]$ lttng destroy</div><div>Session auto-20140319-081547 destroyed</div><div>[lynus@slave1 ~]$ sudo su -</div><div>[sudo] password for lynus: </div><div>root@slave1:~# lttng create</div>
<div>Spawning a session daemon</div><div>Warning: No tracing group detected</div><div>Session auto-20140319-081615 created.</div><div>Traces will be written in /root/lttng-traces/auto-20140319-081615</div><div>PERROR [4774/4882]: bind inet: Address already in use (in lttcomm_bind_inet_sock() at inet.c:109)</div>
<div>Warning: An other session daemon is using this JUL port. JUL support will be deactivated not interfering with the tracing.</div><div>root@slave1:~# lttng create</div><div>Session auto-20140319-081620 created.</div><div>
Traces will be written in /root/lttng-traces/auto-20140319-081620</div><div>root@slave1:~# </div><div>[END] 2014/3/19 0:04:31</div></div><div style="font-family:arial,sans-serif;font-size:13px">======================================================</div>
<div style="font-family:arial,sans-serif;font-size:13px"><br></div><div style="font-family:arial,sans-serif;font-size:13px">These command is issued right after my machine is booted. And it failed every time if I try to enable kernel event as non-root user first then switch to root to create session. If I directly switch to root and create a seesion, everything is normal. So I guess I may have come across a bug.</div>
<div style="font-family:arial,sans-serif;font-size:13px">Any comment?</div></div>