[plt-dev] JFYI OS X DrScheme core dump

From: John Clements (clements at brinckerhoff.org)
Date: Wed Aug 12 11:19:02 EDT 2009

On Aug 12, 2009, at 10:32 AM, Matthew Flatt wrote:

> At Wed, 12 Aug 2009 10:07:53 -0400, John Clements wrote:
>> DrScheme dumped core during GC, here's the CrashReporter stacktrace,
>> ignore if not useful.
> The trace includes
>  1   org.plt-scheme.PLT_MrEd       	0x007385d5 cpointer_obj_MARK + 21
> which is the GC tracing some pointer wrapped by the FFI. Were you
> running some `scheme/foreign'-based code earlier? If so, my guess is
> that it freed a C-level object without either clearing the associated
> pointer object or ensuring that the object is inaccessible.

Absolutely, yes: libsndfile.

I should have seen this, thanks for the help.


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