On Thu, May 30, 2013 at 12:32 PM, Zheng Da <[email protected]> wrote: > Hello, > > I just started to use lttng. I use Ubuntu 12.04 and the kernel version > 3.8.12. I use a customized kernel, so the lttng package in ubuntu > can't be installed correctly. I built lttng 2.0 myself.
Did you build only the lttng-modules or the complete toolchain (lttng-tools, lttng-ust, lttng-modules)? Which versions of the different packages are you using? Thanks, Jérémie > > Then I followed the steps in https://lttng.org/quickstart. When I run > lttng start, I got the errors: > root@ubuntu:~# lttng start > PERROR: sendmsg: Bad file descriptor [in lttcomm_send_unix_sock() at > sessiond-comm.c:311] > PERROR: send consumer channel: Bad file descriptor [in > send_kconsumer_session_streams() at main.c:636] > PERROR: ioctl start session: No buffer space available [in > kernel_start_session() at kernel.c:397] > Error: Starting kernel trace failed > > Someone said in the mailing list that this problem may have something > to do with memory limit. But it shouldn't be my case as my machine has > 512GB memory. > > Can anyone help me troubleshoot the problem? > > Thanks, > Da > > _______________________________________________ > lttng-dev mailing list > [email protected] > http://lists.lttng.org/cgi-bin/mailman/listinfo/lttng-dev -- Jérémie Galarneau EfficiOS Inc. http://www.efficios.com _______________________________________________ lttng-dev mailing list [email protected] http://lists.lttng.org/cgi-bin/mailman/listinfo/lttng-dev
