[Openmcl-devel] Sanity check

Gary Byers gb at clozure.com
Thu Oct 14 04:30:51 UTC 2010


I was able to reproduce the hang (or at least "a hang") by deleting my
IDE preferences file.  What I see is just a lisp-level deadlock and as
far as I can see it's been there for a long time.

Things seem to be better as of r14363.

On Wed, 13 Oct 2010, Ron Garret wrote:

> I filed this ticket a while back:
>
> http://trac.clozure.com/ccl/ticket/753
>
> It says that when I do this:
>
> (gui:background-process-run-function "foo" (lambda () (print 123)))
>
> I get an SBOD hang which requires a force-quit to recover.  Gary says he can't reproduce it, which is odd because it's nearly 100% reliable for me.  The only situation in which this doesn't hang 100% reliably is in the 32-bit app when it's the very first thing I do.  It's almost certainly a race condition because this:
>
> (gui:background-process-run-function "foo" (lambda () (sleep 1) (print 123)))
>
> doesn't hang.
>
> If you happen to have a free moment would you please try the above form and let me know if your CCL hangs?  It might be something unique to my setup.  For example, I have an SSD.  That could make a difference in a timing-related issue.
>
> Thanks,
> rg
>
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