On 01/11/2018 08:45 AM, 'Tom Zander' via qubes-users wrote:
> I understand that there is a memory-manager to balance the memory between VM
> spaces.
> Does anyone know if dom0 is being managed this way?
>
> Currently there is 4GB assigned to dom0, of which 1.3 GB is in use.
> At the same time I have chromium getting out-of-memory errors in an AppVM.
> I'd like to actually use that 2½GB that dom0 now claims but doesn't use,
> anyone got ideas how?
>
> Thanks!
There is a memory balancing bug in the R4 pre-release:
https://github.com/QubesOS/qubes-issues/issues/created_by/tasket
A workaround is to restart the qubes-qmemman.service periodically
(sometimes I need to do this every 5min or so).
I have also restricted dom0's max memory to help the situation. The
permanent setting for this is 'dom0_mem=max:' in /etc/default/grub,
which propagates to /boot/grub2/grub.cfg on the lines beginning with
'multiboot /xen'. Its currently at 1800M on this system and can probably
go lower.
--
Chris Laprise, tas...@posteo.net
https://github.com/tasket
https://twitter.com/ttaskett
PGP: BEE2 20C5 356E 764A 73EB 4AB3 1DC4 D106 F07F 1886
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