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@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 wrote: > > > ---------------------------------------------------------------------- > Date: Sun, 6 Jul 2014 18:49:51 -0400 > From: Shariyar > > 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 > Protection des systèmes et contremesures (PSC) | Systems Protection & > Countermeasures (SPC) > Cyber sécurité pour les missions essentielles (CME) | Mission Critical > Cyber Security (MCCS) > RDDC - Centre de recherches de Valcartier | DRDC - Valcartier Research > Centre > 2459 route de la Bravoure > Québec QC G3J 1X5 > CANADA > Vox : (418) 844-4000 x4245 > Fax : (418) 844-4538 > NAC : 918V QSDJ > Gouvernement du Canada | Government of Canada > > > > _______________________________________________ > lttng-dev mailing listlttng-dev@lists.lttng.orghttp://lists.lttng.org/cgi-bin/mailman/listinfo/lttng-dev > > >