[Vm-dev] [Cog] cmType ~= CMMethod

[stephane ducasse]

mariano just left and said that he will provide an image read to crash.

Stef

On Dec 20, 2010, at 7:55 PM, Eliot Miranda wrote:

> Hi Mariano,
> 
>    this looks like a Cog VM bug.  You should try and create a reproducible case and then send it to me.
> 
> On Mon, Dec 20, 2010 at 5:31 AM, Mariano Martinez Peck <marianopeck at gmail.com> wrote:
>  
> Hi Eliot. I am having some asserts failing while running my tests. Most of them during the sweep phase of the GC. 
> 
> The two places where it fails is in 
> 
> - NewCoObjectMemory >> lastPointerWhileForwarding: oop   
> 
> if fails the assert:       self assert: (coInterpreter cCoerceSimple: methodHeader to: #'CogMethod *') cmType = CMMethod.
> In different runs, the cmType answer me 1 (CMFree)
> 
> - NewCoObjectMemory >> lastPointerOf: oop recordWeakRoot: recordWeakRoot "<Boolean>"
> 
> and it fails in the same assert:        self assert: (coInterpreter cCoerceSimple: methodHeader to: #'CogMethod *') cmType = CMMethod.
>     
> In different runs, I got values 0 or 6. BTW....seing:
> 
> initializeCogMethodConstants
>     CMOpenPIC := 1 + (CMClosedPIC := 1 + (CMBlock := 1 +(CMMethod := 1 + (CMFree := 1))))
> 
> I cannot understand how can I get 0 or 6....
> 
> 
> Anyway, my question is if you have a clue of what can be happening so that those asserts are failing. I am using Objects as methods, but normal objects (subclasses of ProtoObject).
> 
> Thanks in advance,
> 
> mariano
> 
>