[lttng-dev] LTTng not generating trace contents

[Shariyar]

No it didn't install correctly.It is generating a crash report and
lttng-module-dkms exists in it too.


Regards,
Shariyar


On Mon, Jul 7, 2014 at 2:04 PM, Alexandre Montplaisir <
alexmonthy at voxpopuli.im> wrote:

>  Hi,
>
> Could you just do
> $ sudo apt-get install --reinstall lttng-modules-dkms
>
> and check in the output if you have any errors, or if it really installs
> successfully?
>
> Maybe Ubuntu's patches already trickled down to 12.04 and you might be
> hitting https://bugs.lttng.org/issues/814
>
>
> Thanks,
> Alexandre
>
>
>
> On 07/07/2014 01:43 PM, Shariyar wrote:
>
>  lttng --version,
>     lttng (LTTng Trace Control) 2.4.1 - Époque Opaque
>
>  lttng-sessiond --version
>     2.4.1
>
>
> I removed all LTTng packages from the system by manually searching in dpkg
> and reinstalled it as follows:
> sudo apt-get install lttng-tools lttng-modules-dkms babeltrace
>
> The ppa in the system is: http://ppa.launchpad.net/lttng/ppa/ubuntu
>
> Now, I get the following error:
> sudo lttng list -k
> Error: Unable to list kernel events: Kernel tracer not available
> Error: Command error
>
> I have encountered this problem on two different systems running Ubuntu
> 12.04, after the update of system and LTTng
>
> Regards,
> Shariyar
>
>
> On Mon, Jul 7, 2014 at 11:42 AM, Thibault, Daniel <Daniel.Thibault at drdc-rddc.gc.ca> wrote:
>
>
>  ----------------------------------------------------------------------
> Date: Sun, 6 Jul 2014 18:49:51 -0400
> From: Shariyar <syed.shariyar at gmail.com> <syed.shariyar at gmail.com>
>
>  I am having a problem in generating a kernel trace using the latest
>
>  LTTng on Ubuntu 12.04.
>
>  It was working fine previously but when I updated LTTng it stopped
>
>  generating the trace contents. I did an uninstall and reinstall but it
> didn't work either.
> ----------------------------------------------------------------------
>
>    Please define what you mean by "the latest LTTng".  What are the
> versions?  ($ lttng --version, $ lttng-sessiond --version)
>
> Daniel U. Thibault
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