CRASH (Internal Error: core/heap.c:3897 su->top_unit == NULL || su->use_lock)

_From [zhao...@google.com](https://code.google.com/u/106321947286816917100/) on May 04, 2012 11:58:13_

time ~/Workspace/DynamoRIO/builds/build_x64_dbg.git/bin64/drrun -debug -ops "-prof_pcs" ./dealII_base.gcc43-64bit 8

Refinement cycle: 0
Number of degrees of freedom=79
Point value=0.111419
Estimated error=-0.0202358
Refinement cycle: 1
Number of degrees of freedom=303
Point value=0.110124
Estimated error=-0.00791284
Refinement cycle: 2
Number of degrees of freedom=457
Point value=0.1092
Estimated error=-0.00475766
Refinement cycle: 3
Number of degrees of freedom=556
Point value=0.106639
Estimated error=-0.000775847
Refinement cycle: 4
Number of degrees of freedom=713
Point value=0.107309
Estimated error=-0.0010652
Refinement cycle: 5
top_unit == NULL || su->use_lock
(Error occurred @25271 frags)
version 3.2.1365, custom build
-prof_pcs
0x0000000077fe6400 0x000000007110b584
0x0000000077fe6560 0x00000000711a1134
0x0000000077fe6690 0x00000000711a2be9
0x0000000077fe67a0 0x00000000711a34c1
0x0000000077fe67c0 0x00000000712c5b49
0x0000000077fe6800 0x00000000712c59b4
0x0000000077fe6880 0x00000000712beefc
0x0000000077fe6ba0 0x00000000712ba368
0x0000000077fe6c70 0x0000000071276245>

real 0m14.345s
user 0m11.800s
sys 0m2.470s

_Original issue: http://code.google.com/p/dynamorio/issues/detail?id=767_