Help: PYMALLOC_DBUG and PIL

tom z maillist.tom at gmail.com
Thu Jul 5 06:37:38 CEST 2012


Hi~ all,
I encounter a odd problem, when i compile Python with PYMALLOC_DEBUG, the
PIL module can't work fine, it always make core-dump like this

[Switching to Thread 182897301792 (LWP 16102)]
0x00000000004df264 in PyObject_Malloc (nbytes=64) at Objects/obmalloc.c:804
804                 if ((pool->freeblock = *(block **)bp) != NULL) {
Current language:  auto; currently c
(gdb) bt
#0  0x00000000004df264 in PyObject_Malloc (nbytes=64) at
Objects/obmalloc.c:804
#1  0x00000000004dfb97 in _PyObject_DebugMallocApi (id=109 'm', nbytes=32)
at Objects/obmalloc.c:1461
#2  0x00000000004dfd22 in _PyObject_DebugReallocApi (api=109 'm', p=0x0,
nbytes=32) at Objects/obmalloc.c:1523
#3  0x00000000004dfac0 in _PyMem_DebugRealloc (p=0x0, nbytes=32) at
Objects/obmalloc.c:1416
#4  0x00000000004c68d9 in list_resize (self=0x2a988409b8, newsize=1) at
Objects/listobject.c:62
#5  0x00000000004c6f63 in app1 (self=0x2a988409b8, v=0x2a958cea90) at
Objects/listobject.c:277
#6  0x00000000004c6fdd in PyList_Append (op=0x2a988409b8,
newitem=0x2a958cea90) at Objects/listobject.c:289
#7  0x0000000000558c7f in symtable_add_def (st=0x2a99a4ca68,
name=0x2a958cea90, flag=4) at Python/symtable.c:910
#8  0x000000000055a953 in symtable_visit_params (st=0x2a99a4ca68,
args=0x924380, toplevel=1) at Python/symtable.c:1318
#9  0x000000000055aaa7 in symtable_visit_arguments (st=0x2a99a4ca68,
a=0x9243c8) at Python/symtable.c:1365
#10 0x0000000000558f3d in symtable_visit_stmt (st=0x2a99a4ca68, s=0x9244d0)
at Python/symtable.c:1012
#11 0x000000000055919e in symtable_visit_stmt (st=0x2a99a4ca68, s=0x924500)
at Python/symtable.c:1029
#12 0x00000000005574d7 in PySymtable_Build (mod=0x931798,
    filename=0x7fbfffa2c0
"../lib/python2.7/site-packages/PIL/BmpImagePlugin.py",
future=0x2a9883aae0) at Python/symtable.c:240
#13 0x0000000000531f14 in PyAST_Compile (mod=0x931798,
    filename=0x7fbfffa2c0
"../lib/python2.7/site-packages/PIL/BmpImagePlugin.py", flags=0x7fbfff9020,
arena=0x8eedd0) at Python/compile.c:282
#14 0x0000000000545967 in parse_source_module (
    pathname=0x7fbfffa2c0
"../lib/python2.7/site-packages/PIL/BmpImagePlugin.py", fp=0x91a060) at
Python/import.c:843
#15 0x0000000000545e75 in load_source_module (name=0x7fbfffb3e0
"PIL.BmpImagePlugin",
    pathname=0x7fbfffa2c0
"../lib/python2.7/site-packages/PIL/BmpImagePlugin.py", fp=0x91a060) at
Python/import.c:1027

i've no idea about this, someone could get me help~

---
thanks a lot
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