My two Ubuntu installations have the same set of LTTng modules and tools 
(they were all built from the same git.lttng.org packages) but different 
kernels and installation histories.  The "clean" machine has kernel 
linux-virtual (3.2.0-36-virtual), the other one has linux-generic 
(3.2.0-35-generic).  After installing LTTng and rebooting, the clean machine 
does *not* load the lttng kernel modules, while the other one does.  
/etc/modules and /etc/modprobe.d are the same, the .ko are present in 
/lib/modules/<kernel>/extra in both cases.  The clean machine's lttng kernel 
modules can be loaded using modprobe without demur, so there is no problem 
there.

   At first I thought this was because the clean machine had not installed the 
dkms package yet, but adding it made no difference: the lttng modules do not 
load.

   How can I get the clean machine to load the lttng kernel modules at boot 
time?

Daniel U. Thibault
R & D pour la défense Canada - Valcartier (RDDC Valcartier) / Defence R&D 
Canada - Valcartier (DRDC Valcartier)
Cyber sécurité pour les missions essentielles (CME) / Mission Critical Cyber 
Security (MCCS)
Protection des systèmes et contremesures (PSC) / Systems Protection & 
Countermeasures (SPC)
2459 route de la Bravoure
Québec, QC  G3J 1X5
CANADA
Vox : (418) 844-4000 x4245
Fax : (418) 844-4538
NAC : 918V QSDJ <http://www.travelgis.com/map.asp?addr=918V%20QSDJ>
Gouvernement du Canada / Government of Canada
<http://www.valcartier.drdc-rddc.gc.ca/>

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