[lttng-dev] LTTng 2.12 modules from PPA fail to install

Bernd Hufmann bernd.hufmann at ericsson.com
Tue Jan 12 18:35:48 EST 2021

Thanks Michael, for the information. I was able to make it work with the latest stable PPA.

From: Michael Jeanson <mjeanson at efficios.com>
Sent: January 12, 2021 11:38 AM
To: lttng-dev at lists.lttng.org <lttng-dev at lists.lttng.org>
Cc: Bernd Hufmann <bernd.hufmann at ericsson.com>
Subject: Re: [lttng-dev] LTTng 2.12 modules from PPA fail to install

On 2021-01-08 14 h 13, Michael Jeanson via lttng-dev wrote:
> On 2021-01-07 15 h 54, Bernd Hufmann via lttng-dev wrote:
>> Hi LTTng experts,
>> On my Linux Ubuntu 18.04 machine (4.15.0-129-generic kernel) the
>> installation of the LTTng kernel modules fail using the official PPA.
>> I found a log file lttng-modules-dkms.0.crash with some details on the
>> installation failure. See pastebin [1] for the detailed error message.
>> Any ideas what is going on? Please let me know what I can do to
>> resolve it.
>> In advance thank you very much.
>> BR
>> Bernd
>> [1] https://paste.ubuntu.com/p/747H2V5q7K/
>> <https://paste.ubuntu.com/p/747H2V5q7K/>
> Hi,
> There is a fix for this build failure in the stable-2.12 branch but it
> is not part of a point release yet. In the meantime, you can build
> modules from the git branch or use the package from the "Latest Stable"
> ppa [1].
> Once the next point release (2.12.3) happens, it will be uploaded
> straight away to the 2.12 ppa.
> Regards,
> Michael
> [1] https://launchpad.net/~lttng/+archive/ubuntu/ppa

The new 2.12.4 release has landed in the stable-2.12 ppa, you should now
be able to simply update the package to fix the build failure.


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