[Vm-dev] Reproducible VM crash when loading FFI

[Nicolas Cellier]

2013/3/23 Guillermo Polito <guillermopolito at gmail.com>:
>
> Hi!
>
> In my quest to crash the vm, i've found an ugly common case :(.
> I am trying to port the opendbx driver to 2.0, but I'm getting vm crashes when my configuration loads FFI :(. I updated my configuration to load version 1.7 of FFI (which I assume is the latest).
>
> I tried to do it in Pharo 2.0 with latest pharovm, and with eliot's Cog 2701 from his website, failing in both cases.
> The snippet of code that gets a sistematic crash is:
>
> Gofer it
> smalltalkhubUser: 'DBXTalk' project: 'DBXTalkDriver';
> package: 'ConfigurationOfOpenDBXDriver';
> load.
> ((Smalltalk at: #ConfigurationOfOpenDBXDriver) project version:#stable) load
>

Same thing with ConfigurationOfSmallapack.
You should then execute

Smalltalk saveAs: 'crash.image' thenQuit: true.
Gofer it
   smalltalkhubUser: 'DBXTalk' project: 'DBXTalkDriver';
    package: 'ConfigurationOfOpenDBXDriver';
    load.

and send the image to Eliot.

>
> This snippet crashes always with a segmentation fault (at least the fifteen times i tried :), with several different output in the console...
>
> Surprisingly, if I load FFI alone and not from the OpenDBXDriver configuration, it loads well... :/
>
> So I'm deferring the OpenDBX port a bit longer :(
>
> Thanks!
> Guille
>