[lttng-dev] lttng start error

[Zheng Da]

Hello,

I built lttng-modules-2.0.6, lttng-tools-2.0.5 and lttng-ust-2.0.6.

Best,
Da

On Thu, May 30, 2013 at 1:14 PM, Jérémie Galarneau
<jeremie.galarneau at efficios.com> wrote:
> On Thu, May 30, 2013 at 12:32 PM, Zheng Da <zhengda1936 at gmail.com> 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 at 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
>> lttng-dev at lists.lttng.org
>> http://lists.lttng.org/cgi-bin/mailman/listinfo/lttng-dev
>
>
>
> --
> Jérémie Galarneau
> EfficiOS Inc.
> http://www.efficios.com