Can't start apps from VM

[Günter Zöchbauer]

My development VM became quite slow because some kswapd0 (if I remember correctly) running at 100% all the time.

I have my machine usually running 24/7, but I decided to restart to see if this helps (after increasing assigned memory).

After I restarted the machine I wasn't able to start any app for this VM.
I modified the template quite a lot since I restarted last time, so I wasn't too surprised.

I tried creating a new VM based on the same debian-10 template and all went fine.

Then I went away and when I came back my PC showed the lock screen and was frozen (I had this a few times in the past already).

So I had to restart again.

After this I couldn't start any application in the new VM as well.

I tried to start Gnome Terminal from dom0:terminal but nothing happens. No error. The command just hangs until Ctrl-c.

I couldn't find any log file with hints about possible causes.

I can run the VM in debug mode and access the data from the tiny terminal window.

Any ideas how to debug?

[Günter Zöchbauer]

It looks like it was some code for keyring I added to `~/.profile`  that asked for a password.
I commented out that line and now it's working again.

[Ulrich Windl]

>>> Günter Zöchbauer <gzo...@gmail.com> schrieb am 02.04.2020 um 14:59 in
Nachricht
<982_1585832348_5E85E19C_982_20_1_c360d75a-8e92-41ec-9765-682b3272d66d@googlegro
ps.com>:

> My development VM became quite slow because some kswapd0 (if I remember
> correctly) running at 100% all the time.
>
> I have my machine usually running 24/7, but I decided to restart to see if
> this helps (after increasing assigned memory).
>
> After I restarted the machine I wasn't able to start any app for this VM.
> I modified the template quite a lot since I restarted last time, so I
> wasn't too surprised.
>
> I tried creating a new VM based on the same debian-10 template and all went

> fine.
>
> Then I went away and when I came back my PC showed the lock screen and was
> frozen (I had this a few times in the past already).
> So I had to restart again.
>
> After this I couldn't start any application in the new VM as well.
> I tried to start Gnome Terminal from dom0:terminal but nothing happens. No
> error. The command just hangs until Ctrl-c.
>
> I couldn't find any log file with hints about possible causes.
>
> I can run the VM in debug mode and access the data from the tiny terminal
> window.
>
> Any ideas how to debug?

What about this: Open a text terminal in the VM running "top" and sort the
output by "virtual size" (biggest on top). Watch who's growing and kill it ;-)

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