Hi,

thank you for your suggestions.  I've disabled the firewall and fail2ban
services, let's hope that does the trick!
I'll report back when things are better..

Kind regards,

Erik

On Thu, Oct 13, 2016 at 9:09 AM zimbatm <zimb...@zimbatm.com> wrote:

> Hi,
>
> What happens if you disable fail2ban? Maybe the behaviour has changed.
>
> Or try to change the kernel and NFS versions.
>
> I know it's not much help, all I can recommend is to try and replace each
> component to reduce the error.
>
> On Wed, 12 Oct 2016, 10:51 4levels, <4lev...@gmail.com> wrote:
>
> Dear Nix'ers,
>
> I've a permanent issue since the upgrade to nixos-16.09 in my local vm
> (with kvm-qemu from an SSD partition).  The load of the vm is increasing
> over time without any signs in the output of top.  Bash completion when
> traversing directories stalls and the whole system becomes unresponsive
> after about 5 to 10 minutes with top showing a load > 30.  Even rebooting
> fails with several services failing to stop (eg. fail2ban, phpfpm, ).
>
> This has everything to do with NFS: as soon as I disable the NFS mounts,
> the system maintains normal operation.  Nginx / phpfpm are using NFS
> mounted folders for local development.
>
> These are the filesystem declarations in the nixops expression:
>
>   fileSystems."/data/dev" = {
>     device = "d01:/data/dev";
>     fsType = "nfs";
>     options = [ "defaults" "noatime" "nolock" "noacl" "vers=3" "udp"
> "actimeo=1" ];
>   };
>   fileSystems."/extra/Documents" = {
>     device = "d01:/extra/Documents";
>     fsType = "nfs";
>     options = [ "defaults" "noatime" "nolock" "noacl" "vers=3" "udp"
> "actimeo=1" ];
>   };
>
> with d01 being declared in extrahosts
>
>       networking.extraHosts = "192.168.121.1 d01 d01.local";
>
> Has anyone an idea how this could be related to the upgrade to 16.09?  On
> 16.03 this all worked normally..
>
> Kind regards,
>
> Erik aka 4levels
>
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