Steel Bank Common Lisp

Hi,

I'm trying to track down references to some objects that are not getting
garbage collected (see print-out below).

I just can't figure out what is holding on to them, and using
sb-vm::list/map-referencing-objects always indicates that they are not
referenced, although (gc :full t) does not collect them. I read in another
message that these functions are not very reliable.

What strategy can I now use to find out from where they are referenced?

Btw, I modified the SBCL source to get 1.5 GB dynamic space on x86 32 bit, could this cause
a problem with garbage collection? I would think not, but I'm not sufficiently
familiar with the insides of SBCL to tell.

I'm using SBCL CVS on Linux 2.6.x and x86 (32 bit).

Thanks,

Chris


* (gc :full t)

NIL
* (sb-vm::type-breakdown :dynamic)

((458666696 2319628 SB-VM::SIMPLE-CHARACTER-STRING)
 (98042144 36 SB-VM::SIMPLE-ARRAY-SIGNED-BYTE-30)
 (50666136 12727 SB-VM::SIMPLE-ARRAY-UNSIGNED-BYTE-32)
 (36464216 55911 SIMPLE-VECTOR) (11661296 11960 SB-VM::CODE)
 (5140560 2332 SB-VM::SIMPLE-ARRAY-UNSIGNED-BYTE-8) (4605592 575699 CONS)
 (4028352 95944 SB-KERNEL:INSTANCE) (1262432 39451 SYMBOL)
 (1051600 31426 SIMPLE-BASE-STRING) (522936 24463 SB-VM::CLOSURE)
 (383440 18770 BIGNUM) (297880 1050 SB-VM::SIMPLE-ARRAY-UNSIGNED-BYTE-16)
 (254544 15909 SB-KERNEL:FDEFN) (96696 2 SB-VM::SIMPLE-ARRAY-UNSIGNED-BYTE-29)
 (56184 2 SB-VM::SIMPLE-ARRAY-UNSIGNED-BYTE-7) (22704 1421 SIMPLE-BIT-VECTOR)
 (8112 1014 SB-VM::VALUE-CELL) (4512 564 SINGLE-FLOAT)
 (3136 98 SB-VM::ARRAY-HEADER) (1808 113 DOUBLE-FLOAT) (616 77 SB-VM::SAP)
 (512 32 RATIO) (128 8 WEAK-POINTER) (80 5 COMPLEX)
 (24 1 SB-VM::COMPLEX-DOUBLE-FLOAT) (16 1 SB-VM::COMPLEX-SINGLE-FLOAT)
 (16 2 SB-VM::SIMPLE-ARRAY-NIL) (8 1 SB-VM::SIMPLE-ARRAY-UNSIGNED-BYTE-2)
 (8 1 SB-VM::SIMPLE-ARRAY-UNSIGNED-BYTE-4)
 (8 1 SB-VM::SIMPLE-ARRAY-UNSIGNED-BYTE-15)
 (8 1 SB-VM::SIMPLE-ARRAY-UNSIGNED-BYTE-31)
 (8 1 SB-VM::SIMPLE-ARRAY-SIGNED-BYTE-8)
 (8 1 SB-VM::SIMPLE-ARRAY-SIGNED-BYTE-16)
 (8 1 SB-VM::SIMPLE-ARRAY-SIGNED-BYTE-32)
 (8 1 SB-VM::SIMPLE-ARRAY-SINGLE-FLOAT) (8 1 SB-VM::SIMPLE-ARRAY-DOUBLE-FLOAT)
 (8 1 SB-VM::SIMPLE-ARRAY-COMPLEX-SINGLE-FLOAT)
 (8 1 SB-VM::SIMPLE-ARRAY-COMPLEX-DOUBLE-FLOAT))

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