Re: [qubes-users] Re: memory management in dom0 ?
> My dom0 has no swap, I didn't disable it, it just never had any. > I guess thats because in the installer I didn't assign any swap partition. Not optimal IMHO, but it simplifies this case. > > * How much of memory does the AppVM use? > > I looked at it at the time I got repeated crashes, it had some 800MB > assigned to it. > > > What is the memory limit for the > > AppVM? See VM settings » Advanced » Initial memory. > The settings are 1GB initial and 4GB max. > > I "solved" it by closing some VMs and my chromium got more space assigned. This looks like it should not have behaved this way. > I start a compile (8 cores times 0.6GB of mem used) and maybe 10 seconds > later I get out-of-memory issues. > To my annoyance xentop shows me that there is still >10 GB free, > unallocated. Again, it should not behave this way, Qmemman polls in 0.1s and tries to give the VM 130 % of its requirements. And all the VMs have 1GiB of swap space, unless you have made something custom. So, even if it was not fast enough, it should be temporarily covered by swap. What is the status of qubes-qmemman.service? Do those issues persist after Qmemman restart or even after system reboot? Regards, Vít Šesták 'v6ak' -- You received this message because you are subscribed to the Google Groups "qubes-users" group. To unsubscribe from this group and stop receiving emails from it, send an email to qubes-users+unsubscr...@googlegroups.com. To post to this group, send email to qubes-users@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/qubes-users/7aabf3c3-4dc3-41af-b357-6fdd420fc194%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
Re: [qubes-users] Re: memory management in dom0 ?
On Thursday, 11 January 2018 14:07:57 GMT Vít Šesták wrote: > For your case, I have few questions: > > * What's dom0 swap usage? Qmemman includes this amount in memory > requirements. My dom0 has no swap, I didn't disable it, it just never had any. I guess thats because in the installer I didn't assign any swap partition. > * Where does your “1.3 GB is in use” claim come from? Top :) The "in use" is what top claims. Add the "buff/cache" amount (1MB) to it and the "free" amount (1.6MB) and I do get to the total reported in both top and xentop. > * How much of memory does the AppVM use? I looked at it at the time I got repeated crashes, it had some 800MB assigned to it. > What is the memory limit for the > AppVM? See VM settings » Advanced » Initial memory. The settings are 1GB initial and 4GB max. I "solved" it by closing some VMs and my chromium got more space assigned. - The qmemman has some more room for growth. For instance I have one "Work" VM where I compile C++ code. I assigned it 16GB of memory and then qmemman came and only gave me 2GB. I start a compile (8 cores times 0.6GB of mem used) and maybe 10 seconds later I get out-of-memory issues. To my annoyance xentop shows me that there is still >10 GB free, unallocated. For some reason it just doesn't seem to allow growth of memory fast enough, regardless of my settings. I "solved" that by turning off memory management for that VM and just setting it to 12GB always :( -- Tom Zander Blog: https://zander.github.io Vlog: https://vimeo.com/channels/tomscryptochannel -- You received this message because you are subscribed to the Google Groups "qubes-users" group. To unsubscribe from this group and stop receiving emails from it, send an email to qubes-users+unsubscr...@googlegroups.com. To post to this group, send email to qubes-users@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/qubes-users/1851645.2lrfOOeRYL%40mail. For more options, visit https://groups.google.com/d/optout.
[qubes-users] Re: memory management in dom0 ?
Yes, there is qmemman. I hope this is relatively up-to-date: https://www.qubes-os.org/doc/qmemman/ . It should manage dom0 memory as well. By default, it assigns 1 GiB – 4 GiB of RAM to dom0. For your case, I have few questions: * What's dom0 swap usage? Qmemman includes this amount in memory requirements. * Where does your “1.3 GB is in use” claim come from? * How much of memory does the AppVM use? What is the memory limit for the AppVM? See VM settings » Advanced » Initial memory. Regards, Vít Šesták 'v6ak' -- You received this message because you are subscribed to the Google Groups "qubes-users" group. To unsubscribe from this group and stop receiving emails from it, send an email to qubes-users+unsubscr...@googlegroups.com. To post to this group, send email to qubes-users@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/qubes-users/c8fe7ea6-ad0c-4590-bed8-d5183c863309%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
