>>>>> "William" == William Brew <[EMAIL PROTECTED]> writes:

    William> frames.  The second frame in the backtrace looks a bit
    William> odd.

This is not a good sign.  Trashed C stack for some reason?

    William> (gdb) bt
    William> #0  pscav (addr=0x28da52f8, nwords=1, constant=0)
    William>     at ../../src/lisp/purify.c:1180

Line 1180 says

                header = *thingp;

And thingp is (lispobj *) 0x446bcd60.  This address seems ok, so how
can this line cause an error?

    William> #1  0x8 in ?? ()
    William> #2  0x1ab64 in ptrans_instance (thing=1140738133, header=3, constant=0)
    William>     at ../../src/lisp/purify.c:587

Line 587 for me is gc_abort().

Something is not right here.


Just in case this a problem with gencgc, I've uploaded a new version
at experimental/cmucl-2004-04-26-cheney-gc*.

Perhaps you can try running your app against this version to see if
it's a problem with generational gc.

Ray


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