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On Sun, Oct 08, 2017 at 01:34:56PM -0400, Chris Laprise wrote:
> On 10/08/2017 08:18 AM, Marek Marczykowski-Górecki wrote:
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> > 
> > On Sat, Oct 07, 2017 at 10:29:11AM +0000, Holger Levsen wrote:
> > > Hi,
> > > 
> > > 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've seen this some time ago and `echo 3 > /proc/sys/vm/drop_caches`
> > helped. No idea why it is spinning...
> > 
> 
> What VM kernel are you using? I saw a great reduction in this problem when I
> upgraded to the latest 4.9 kernels; currently using 4.9.45-21 and the
> problem isn't reappearing.

Indeed on 4.9.45-21 kernel it happens much rarer than on 4.4.x, but still
happens sometimes...

- -- 
Best Regards,
Marek Marczykowski-Górecki
Invisible Things Lab
A: Because it messes up the order in which people normally read text.
Q: Why is top-posting such a bad thing?
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