[lttng-dev] LTTng not generating trace contents

[Shariyar]

Or maybe upgrading to Ubuntu 14.04 could solve this issue as MySQL server
stopped working too in both Ubuntu 12.04 systems.

Regards,
Shariyar


On Mon, Jul 7, 2014 at 2:16 PM, Alexandre Montplaisir <
alexmonthy at voxpopuli.im> wrote:

> Great, thanks for testing, that means we'll have to backport Julien's
> patch to the stable packages earlier than expected!
>
> I'll try to update these this afternoon, I'll keep you posted.
>
> Cheers,
> Alexandre
>
>
> On 07/07/2014 02:11 PM, Shariyar wrote:
>
>> 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
>>> Protection des systèmes et contremesures (PSC) | Systems Protection &
>>> Countermeasures (SPC)
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>>> 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
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>>> Gouvernement du Canada | Government of Canada<http://www.valcartier.
>>> drdc-rddc.gc.ca/> <http://www.valcartier.drdc-rddc.gc.ca/>
>>>
>>>
>>>
>>>
>>> _______________________________________________
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>>>
>>>
>>>
>>>
>
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