[RDD] Dead air

Rob Landry 41001140 at interpring.com
Wed May 16 13:39:36 EDT 2012

Oh, and here's one more bit of information: this station airchecks itself 
24/7. I downloaded the aircheck for that hour to see what the problem 
sounded like on the air. In particular, I wanted to whether the last audio 
file played all the way or stopped in the middle, and whether there were 
any dropouts or glitches presaging the outage.

There were no dropouts or glitches, and the last audio file before the 
outage played all the way through. The next event never started.


On Wed, 16 May 2012, Rob Landry wrote:

> I got a phone call from one of my clients on Monday reporting dead air.
> This is a station that runs Rivendell at its transmitter site, unattended,
> with folks at the studio VNC'ing in from time to time to make adjustments.
> On Monday there was no audio and neither they nor I could make a VNC
> connection. I ssh'd in and did a "ps -x" to see if rdairplay was still
> running (it was).
> Next, I did a "w" command and observed that the load average was over 3.8,
> which is not normal; it has typically been 0.2 or less.
> I did a "top" to see what was loading the system down, and it turned out
> to be Xorg, which was using more than 80% of the memory (usually it uses
> less than 4%).
> At that point I rebooted the system, whereupon everything came up normally
> and rdairplay began playing audio.
> Later in the day I looked through all the logs I could find but found no
> messages that were enlightening.
> This is Rivendell 2.0.2 running under Debian 6.0 (Squeeze). An identical
> machine (same hardware, same OS, same Rivendell, same audio files, same
> playlist) running at another station has not had the problem; in fact,
> I've never seen this problem before, and I've been running Rivendell on
> various machines since 2007.
> Have any of y'all ever encountered such a problem?
> Rob
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