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

Updated May 26, 2023 08:36

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

Connect to the node via SSH
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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