If an task has opened or mapped any character or block device, this typically means, it wants some connection to the hardware. In this case dump (and restore) is impossible. The exception is virtual devices like null, zero, etc. and TUN network device (used by OpenVPN).
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If a task has opened or mapped any character or block device, this typically means, it wants some connection to the hardware. In this case dump (and restore) is impossible. The exception is virtual devices like null, zero, etc. and TUN network device (used by OpenVPN).