Another victim of the random lockup issue?
Last output in the console log:
cloud-init boot finished at Wed, 30 Dec 2015 03:15:54 +0000. Up 12.21 seconds Ubuntu 12.04.5 LTS tools-webgrid-lighttpd-1204 ttyS0 tools-webgrid-lighttpd-1204 login: [296400.308160] INFO: task php-cgi:27643 blocked for more than 120 seconds. [296400.313289] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [298680.312168] INFO: task lighttpd:22388 blocked for more than 120 seconds. [298680.313741] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [299520.312162] INFO: task php-cgi:27643 blocked for more than 120 seconds. [299520.315794] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [299520.317252] INFO: task php-cgi:27747 blocked for more than 120 seconds. [299520.318276] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [299520.319270] INFO: task php-cgi:6481 blocked for more than 120 seconds. [299520.320061] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [1500960.820584] INFO: task lighttpd:18320 blocked for more than 120 seconds. [1500960.825800] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [1501080.828391] INFO: task lighttpd:18320 blocked for more than 120 seconds. [1501080.833014] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [1501200.833531] INFO: task lighttpd:18320 blocked for more than 120 seconds. [1501200.836835] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [1501320.836219] INFO: task lighttpd:18320 blocked for more than 120 seconds. [1501320.840029] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [1501440.840822] INFO: task lighttpd:18320 blocked for more than 120 seconds. [1501440.844371] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.