[lug] Ubuntu 14.04 LTS syslog/rsyslog Stopped Logging kern.log

[stimits at comcast.net]

Hi,
 
In the past few days I did an apt-get upgrade on an Ubuntu 14.04 LTS system which I'm trying to work on kernel modules for. Logging of all kernel messages suddenly ceased, and kern.log is now empty. If I use a printk with KERN_INFO, I can still get the output via dmesg, but am scratching my head as to where the actual log file is...I've grepped and gunzip'd and done all I can in /var/log/, and never figured out where the KERN_INFO actually goes. tail -f can no longer be used, as not even the /var/log/dmesg file contains these messages...somehow the dmesg binary command magically pulls KERN_INFO out of the air even when its specific log file does not have this information.
 
So what could have happened with this apt-get upgrade? I've seen some past reports (without solution for the current situation) on syslog or rsyslog stopping logging to /var/log/kern.log, but these do not seem to be current information and have not given clues as to how configuration changed. Anyone here have ideas on what to check for current Ubuntu no longer logging to kern.log, yet showing up in dmesg program but not showing up in dmesg log files? Other than this the system seems to work fine...but it makes it a pain to work on kernel modules (FYI, there are no current changes to any modules or kernel on this system, so module development can't be a cause).
 
Thanks!
 
PS: I've looked at everything I can in /etc related to syslog and rsyslog but found nothing.
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