[Vm-dev] when the vm crashes...

[Bob Arning]

Thanks, that's a clue. This *seems* to have been happening since I 
started using SqueakSSL. I'll see if it's possible to force the error by 
using that a lot.

Cheers,
Bob


On 3/27/14 1:03 PM, Eliot Miranda wrote:
>   
>
>
> Hi Bob,
>
>
> On Thu, Mar 27, 2014 at 4:33 AM, Bob Arning <arning315 at comcast.net 
> <mailto:arning315 at comcast.net>> wrote:
>
>
>     Is there enough information in the attached file to point to a
>     possible cause?
>
>
> Yes.  But there should hopefully be the output of error on the console 
> and that would disambiguate between the two possible causes.  This is 
> the stack:
>
> 2 libsystem_c.dylib             0x9b609bdd abort + 167
> 3 org.squeak.SqueakAllInOne45   0x000703be error + 94
> 4 org.squeak.SqueakAllInOne45   0x000d1c4f 
> eeInstantiateSmallClasssizeInBytes + 95
> 5 org.squeak.SqueakAllInOne45   0x000d31a0 
> createClosureNumArgsnumCopiedstartpc + 80
> 6 org.squeak.SqueakAllInOne45   0x000c6e69 ceClosureCopyDescriptor + 41
> There are two possible errors in eeInstantiateSmallClasssizeInBytes
> error("last object overwritten");
> error("out of memory");
>
>
> The first means that something wrote past the end of an object and 
> this was detected when a new object was allocated, seeing that 
> freeSpace did not contain the pattern expected.  This e.g. happens 
> when passing buffer objects to foreign code which writes beyond the 
> object.
>
> The second usually means infinite recursion.  Looking at the memory 
> map at the end of the error report I think that the error is last 
> object overwritten.
>
>
>     Cheers,
>     Bob
>
>
>
>
> -- 
> best,
> Eliot

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