On 10/07/2017 04:29 AM, Holger Levsen wrote:

so kswapd0 is using 100% CPU in one of my Qubes and this makes the fan spin
and noisy… and that Qube is hardly using any swap at all:

$ free
               total        used        free      shared  buff/cache   available
Mem:        1888212      776484      640712       70296      471016     1031616
Swap:       1048572         716     1047856

So I ran "sudo swapoff -a" (and "sudo swapon -a") and now zero swap is used but
kswapd0 is still busy swapping(?) and the fan is noisy and I wonder what to do…

Any hints / ideas?

(I know I could shut down the VM and restart it but I hope there's a better
solution / workaround.)

Two questions:
1. What's that Qube doing?
2. What's it's max memory?

Just speculating, but if a Qube hits the max memory it's allowed by the dom0, would it start swapping, even if there was lots of memory available on the machine?


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