[Vm-dev] Freeze after Morph Activity

[Levente Uzonyi]

Hi Dan,

You can send the USR1 signal to the VM process to make it write some debug 
information to the console. With this information you can easily tell 
what's happening. I suspect it's stuck in a long GC.

Levente

On Fri, 27 Jan 2017, Dan Norton wrote:

>
> On Debian8, CogSpur64 5.0-201612221637, Cuis 5.0 3043...
>
> after lots of user interaction, views opening and closing, and 
> animation, the image becomes unresponsive. Cmd+. does nothing and the 
> clock in the Cuis taskbar no longer updates. The length of time to 
> produce this varies from 5 to 20 minutes.
>
> There seems to be no dump and no log. 'Smalltalk garbageCollectMost' 
> reports 25550736 to 30517872 over 34 samples.
>
> Sorry to be so vague. This has occurred with several images - sometimes 
> scrolling through a senders list, or stepping through a debugger, but 
> repeatably with one of my images. I can supply this image, warmed up so 
> that it might not take so long to reproduce the problem if you would 
> like. Or give me a hint as to how to narrow down the problem
>
>  - Dan
>
>