As mentioned in bug 1290637, the recent upgrade in Rackspace from linux 3.2.0-59-virtual to 3.2.0-60-virtual seems to correlate with a significant increase in occurrence.
As mentioned in bug 1290637, the recent upgrade in Rackspace from linux 3.2.0-59-virtual to 3.2.0-60-virtual seems to correlate with a significant increase in occurrence.