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Unable to boot KVM VPS in SolusVM: cannot set up guest memory 'pc.ram': Cannot allocate memory

Bato Tsydenov
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Applicable to:

  • SolusVM

Symptoms 

  • KVM VPS does not start in SolusVM - VPS stays offline

  • When Rebooting VPS with debug at SolusVM > Virtual Servers > VPS > Reboot(Debug) the following error is displayed:

    SVM_ERROR: qemu-kvm: cannot set up guest memory 'pc.ram': Cannot allocate memory

Cause

This means there is not enough free memory on the node.

Resolution

  1. Connect to the node via SSH
  2. Free up cached memory:

    # sync; echo 3 > /proc/sys/vm/drop_caches

If the solution does not help add RAM on the node.

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