Dahdi Detected time shift in /var/log/message

If you find a lot of message " dahdi detected time shift" in /var/log/message, please perform the following steps

  1. From a root prompt on the VM, type the command: echo 1 > /proc/sys/xen/independent_wallclock

  2. This can be persisted across reboots by changing the /etc/sysctl.conf configuration file and adding:

    # Set independent wall clock time

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