Una de las mejores características de .NET Framework es la administración automática de la memoria, eso significa que no tenemos que estar pendientes de memory leaks, corrupciones y demás problemas. Pero en este artículo encontraremos que esto no es así todas las veces. Os quiero mostrar un bug que he encontrado en una aplicación .NET 4.
Como ya sabreis el clr tiene una heap administrado que contiene todos los objetos que se han ido creando en todo el código ejecutado, y es precisamente en ese managed heap donde el recolector de basura trabaja para ordenarlo y limpiarlo. Vamos a utilizar algunos comandos de WinDBG para ver el estado del heap
Durante la ejecución de mi aplicación aleatoriamente la aplicación me lanza un System.ExecutionEngineException. Como se puede imaginar esta excepción es fatal y no hay oportunidad para cachearla así que mi aplicación se cierra cuando se encuentra con una excepción como esta.
0:281> !threads
ThreadCount: 325
UnstartedThread: 0
BackgroundThread: 268
PendingThread: 0
DeadThread: 56
Hosted Runtime: no
PreEmptive Lock
ID OSID ThreadOBJ State GC GC Alloc Context Domain Count APT Exception
0 1 f74 00000000001b47b0 6020 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 STA
2 2 3ddc 00000000001baaf0 b220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Finalizer)
5 3 3f44 0000000000fb8ee0 100a220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
7 4 2acc 000000001c75c120 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
8 5 f2c 000000001c75c830 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
9 6 1bf4 000000001c75cf40 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
10 7 1e10 000000001c75ea80 1009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
XXXX 9 000000001c7f8dd0 1019820 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
12 b 1a9c 000000001c814830 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
13 d 1f50 000000001df31e80 1009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
14 a 21b4 000000001c7fdd10 1009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
15 f 2d54 000000001df31160 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
18 10 3edc 000000001df4ef50 b220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 1 MTA
19 12 3ffc 000000001df60bd0 1009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
20 e 958 000000001df612e0 1009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
21 c 2be0 000000001df62100 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
22 14 1920 000000001df62f20 1009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
23 11 39f0 000000001df619f0 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
24 15 2e00 000000001df63630 1009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
XXXX 16 000000001df63d40 1019820 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
25 17 734 000000001df64450 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
26 18 2c78 000000001df64b60 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
XXXX 19 000000001df65270 1019820 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 Ukn (Threadpool Worker)
27 1a 2330 000000001df62810 1009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
28 1c 20f4 000000001df667a0 1009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
XXXX 13 000000001df66090 1019820 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
XXXX 1e 000000001df675c0 1019820 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
29 1b 360c 000000001df66eb0 1009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
30 1d 1f04 000000001df67cd0 1009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
31 8 ce0 000000001df65980 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
32 20 3a94 000000001df34070 1009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
33 21 2ce8 000000001df34780 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
34 22 3dd4 000000001df355a0 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
35 24 31c8 000000001df363c0 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
36 26 15d0 000000001df371e0 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
37 23 3aec 000000001df35cb0 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
38 27 33b8 000000001df378f0 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
39 1f afc 000000001df34e90 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
40 28 9b8 000000001df683e0 1009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
41 29 1ba8 000000001c81e7c0 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
XXXX 2a 000000001c81f5e0 1019820 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
42 25 3cbc 000000001c81eed0 1009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
43 2c 20fc 000000001df36ad0 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
44 2d 290c 000000001c8573d0 1009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (GC) (Threadpool Worker) System.ExecutionEngineException (0000000002871228)
45 2b 2f58 000000001c81fcf0 1009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
46 2f 33b4 000000001c8581f0 1009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
XXXX 2e 000000001c858900 1019820 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 Ukn (Threadpool Worker)
47 31 1020 000000001c859010 1009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
XXXX 32 000000001c859720 1019820 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 Ukn (Threadpool Worker)
48 33 ad8 000000001c859e30 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
49 34 3230 000000001c85a540 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
50 35 1a74 000000001c85ac50 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
51 36 3650 000000001c8064f0 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
52 37 2890 000000001c806c00 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
XXXX 38 000000001c807310 1019820 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
53 39 1c20 000000001c807a20 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
XXXX 3a 000000001dfe2860 1019820 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
54 3b 1694 000000001dfe2f70 1009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
55 3d 37b8 000000001dfe3d90 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
XXXX 30 000000001dfe44a0 1019820 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
XXXX 3e 000000001dfe4bb0 1019820 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
56 3f 18b8 000000001dfe52c0 1009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
57 40 11b0 000000001dfe59d0 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
58 41 1ee0 000000001dfe60e0 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
XXXX 42 000000001c857ae0 1019820 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
59 43 27e8 000000001e0c80b0 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
60 44 a84 000000001e0c87c0 1009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
61 46 1ba4 000000001e0c95e0 1009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
62 48 2160 000000001e0ca400 1009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
63 4a 2bdc 000000001e0cb220 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
64 47 12d0 000000001e0c9cf0 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
65 49 be4 000000001e0cab10 1009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
66 3c 186c 000000001e0cb930 1009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
XXXX 4b 000000001dfe3680 1019820 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
67 45 3498 000000001e0c8ed0 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
XXXX 4d 000000001e19b9a0 1019820 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
68 4e 1550 000000001e19c0b0 1009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
69 50 313c 000000001e19ced0 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
XXXX 51 000000001e19d5e0 1019820 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
XXXX 4f 000000001e19c7c0 1019820 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
70 52 20bc 000000001e19dcf0 1009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
71 4c 33fc 000000001e19b290 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
72 54 2380 000000001e19eb10 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
73 53 a04 000000001e19e400 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
74 56 2028 000000001e22f050 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
75 58 3df0 000000001e22fe70 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
XXXX 57 000000001e230580 1019820 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
76 55 1d08 000000001e22f760 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
XXXX 5a 000000001e230c90 1019820 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
77 5c 373c 000000001e231ab0 1009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
XXXX 59 000000001e22e940 1019820 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 Ukn (Threadpool Worker)
78 5d e90 000000001e2321c0 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
XXXX 5e 000000001e2ba200 1019820 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
79 5f 1358 000000001e2ba910 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
XXXX 5b 000000001e2bb020 1019820 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
80 60 1a98 000000001e2bb730 1009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
81 61 26f4 000000001e2bbe40 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
82 62 abc 000000001e2bc550 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
83 63 19d4 000000001e2bcc60 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
84 64 1220 000000001e2bd370 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
85 65 1e6c 000000001e2bda80 1009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
86 66 162c 000000001e2313a0 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
XXXX 67 000000001e2de370 1019820 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
87 68 3040 000000001e2dea80 1009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
88 6a 139c 000000001e2df8a0 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
89 6b 39f4 000000001e2dffb0 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
90 6c 375c 000000001e2e06c0 1009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
91 6d 1548 000000001e2e0dd0 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
92 6e 2920 000000001e2e14e0 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
XXXX 6f 000000001e2e1bf0 1019820 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
93 70 376c 000000001e2e6370 1009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
XXXX 71 000000001e2e6a80 1019820 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
94 72 14ec 000000001e2e7190 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
XXXX 75 000000001e2e78a0 1019820 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
95 73 1930 000000001e2e86c0 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
96 76 17dc 000000001e2e8dd0 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
97 74 c88 000000001e2e7fb0 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
98 77 d0c 000000001e2e94e0 1009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
XXXX 78 000000001e2e9bf0 1019820 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
XXXX 7a 0000000024ddd4c0 1019820 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
99 7b 2878 0000000024dddbd0 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
100 79 1278 0000000024dde2e0 1009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
101 7c 2358 0000000024ddcdb0 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
XXXX 7d 0000000024dde9f0 1019820 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
102 7e 28a8 0000000024ddf100 1009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
103 7f 1778 0000000024ddf810 1009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
104 80 2990 0000000024ddff20 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
105 81 1864 0000000024de0630 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
106 82 3dc4 0000000024de4db0 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
107 83 371c 0000000024de54c0 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
108 84 3e80 0000000024de5bd0 1009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
109 85 3634 0000000024de62e0 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
110 86 3908 0000000024de69f0 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
111 87 2998 0000000024de7100 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
112 88 200c 0000000024de7810 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
113 89 3370 0000000024de7f20 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
114 8a 33dc 0000000024de8630 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
115 8b 1b98 0000000024df2a90 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
116 8c 1378 0000000024df31a0 1009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
117 8d 3e0c 0000000024df38b0 1009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
XXXX 8e 0000000024df3fc0 1019820 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
118 8f 3444 0000000024df46d0 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
119 90 3044 0000000024df4de0 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
XXXX 91 0000000024df54f0 1019820 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
120 92 389c 0000000024df5c00 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
121 93 3938 0000000024df6310 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
XXXX 95 0000000024e8d5b0 1019820 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
122 96 18e0 0000000024e8dcc0 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
123 97 3954 0000000024e8cea0 1009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
124 98 329c 0000000024e8e3d0 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
125 94 2cf0 0000000024e8eae0 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
126 9a 3d18 0000000024e8f900 1009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
127 9b a80 0000000024e8f1f0 1009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
128 9c 13ac 0000000024e90720 1009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
129 99 2f84 0000000024e90010 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
XXXX 9e 000000001e0f9180 1019820 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
XXXX 9f 000000001e0f8a70 1019820 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
130 a0 2a20 000000001e0f9fa0 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
XXXX 9d 000000001e0f9890 1019820 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
131 a3 2544 000000001e0fb4d0 1009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
132 a1 2910 000000001e0fa6b0 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
133 a4 a9c 000000001e0fadc0 1009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
134 a5 1880 000000001e0fbbe0 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
135 a6 2d28 0000000024f038f0 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
136 a7 12d4 0000000024f04710 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
XXXX a8 0000000024f04e20 1019820 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
137 a9 11c8 0000000024f05530 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
138 ab 2d4c 0000000024f06350 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
139 aa 1bf8 0000000024f05c40 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
140 a2 244 0000000024f04000 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
141 ac 2688 0000000024f06a60 1009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
142 ad 27e0 0000000024f07170 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
143 ae 315c 000000001e0fc2f0 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
XXXX af 000000002501d670 1019820 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
144 b0 7bc 000000002501dd80 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
145 b3 1294 000000002501f2b0 1009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
146 b4 3e94 000000002501f9c0 1009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
147 b5 fc8 00000000250200d0 1009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
148 b6 d48 00000000250207e0 1009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
149 b7 1f84 0000000025020ef0 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
150 b8 3138 0000000025021600 1009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
151 b9 3214 0000000025021d10 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
152 ba 175c 0000000025022420 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
153 bb 3a24 0000000025022b30 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
154 bc 340c 0000000025023240 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
XXXX bd 0000000025023950 1019820 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
155 be 27b4 0000000025024060 1009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
156 bf 2c54 0000000025024770 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
157 c0 3698 0000000025024e80 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
158 c1 20f0 0000000025064a30 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
159 c2 1dc 0000000025065140 1009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
160 c3 2378 0000000025065850 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
161 c4 1444 0000000025065f60 1009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
XXXX c5 0000000025066670 1019820 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
XXXX c6 0000000025066d80 1019820 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
162 c7 b0c 0000000025067490 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
163 c8 30f4 0000000025067ba0 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
164 c9 3d60 00000000250682b0 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
165 ca 108c 00000000250689c0 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
166 cb 37b0 00000000250690d0 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
XXXX cc 00000000250697e0 1019820 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
167 b1 dc0 0000000025069ef0 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
168 b2 3ed4 000000002506a600 1009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
XXXX cd 000000002506ad10 1019820 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
169 ce c38 000000002506b420 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
170 cf 24cc 000000002506bb30 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
XXXX d0 000000002506c240 1019820 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
171 d1 1d80 000000002501e490 1009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
172 d2 1edc 000000002501eba0 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
173 d3 304c 000000002513cbf0 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
174 d4 3b08 000000002513d300 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
175 d7 3adc 000000002513e830 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
XXXX d8 000000002513ef40 1019820 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
177 69 2178 000000002513da10 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
178 d6 3b40 000000002513e120 1009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
179 d9 f28 000000002513fd60 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
180 da 382c 0000000025140470 1009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
XXXX db 0000000025140b80 1019820 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
181 dc b88 0000000025141290 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
182 dd 22ac 00000000251419a0 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
183 df 1aac 00000000251427c0 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
184 e0 353c 0000000025142ed0 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
XXXX d5 000000002513f650 1019820 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
185 de 319c 00000000251420b0 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
XXXX e1 00000000251435e0 1019820 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
186 e2 3678 0000000025143cf0 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
187 e3 13fc 0000000025144400 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
188 e4 3038 000000001e2df190 1009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
189 e5 3cc0 0000000024e5ae20 1009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
190 e6 3384 0000000024e5b530 1009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
191 e7 301c 0000000024e5bc40 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
192 e8 3448 0000000024e5c350 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
193 e9 2bcc 0000000024e5ca60 1009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
XXXX ea 0000000024e5d170 1019820 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
XXXX eb 0000000024e5d880 1019820 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
XXXX ec 0000000024e5df90 1019820 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
194 ed 1d04 0000000024e5e6a0 1009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
195 ee c54 000000002523fed0 1009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
196 ef 2220 00000000252405e0 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
197 f0 2b60 0000000025240cf0 1009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
198 f1 2d88 0000000025241400 1009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
199 f2 3ee8 0000000025241b10 1009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
200 f3 3f2c 0000000025242220 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
201 f4 1240 0000000025242930 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
202 f6 23dc 0000000025243750 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
203 f7 a74 0000000025243040 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
204 f8 3f40 0000000025243e60 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
205 f9 2f94 0000000025244c80 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
206 fa fa4 0000000025245390 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
207 fb 2c7c 0000000025245aa0 1009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
208 f5 2a30 0000000025244570 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
209 fe 102c 0000000025246fd0 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
XXXX 100 0000000025384550 1019820 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
210 fd c28 00000000252461b0 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
211 ff 233c 0000000025384c60 1009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
212 101 3c34 00000000252476e0 1009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
XXXX 102 0000000025385a80 1019820 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
213 104 1ad4 00000000253868a0 1009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
214 fc 2ef0 0000000025385370 1009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
215 103 16bc 0000000025386190 1009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
216 105 990 0000000025386fb0 1009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
218 107 3b38 0000000025387dd0 1009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
219 108 974 00000000253884e0 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
220 109 10e4 0000000025388bf0 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
221 10a 1280 0000000025389300 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
222 10b 1494 00000000253876c0 1009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
223 106 25ac 0000000025389a10 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
224 10e 2b94 000000002538af40 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
225 10c 3218 000000002538a830 1009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
226 110 2a5c 000000002538bd60 1009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
227 10d 2d90 000000002538b650 1009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
228 10f e10 00000000252468c0 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
229 112 21bc 0000000025464400 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
230 113 13e4 0000000025464b10 1009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
231 114 2d84 0000000025465220 1009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
232 115 3e98 0000000025465930 1009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
233 116 115c 0000000025466040 1009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
234 117 1228 0000000025466750 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
XXXX 118 0000000025466e60 1019820 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
235 119 3054 0000000025467570 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
236 11a 10f4 0000000025467c80 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
237 11b 18b4 0000000025468390 1009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
238 11c 3a1c 0000000025468aa0 1009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
239 11d 187c 00000000254691b0 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
240 11e 342c 00000000254698c0 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
241 11f 12f4 0000000025469fd0 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
242 120 2a04 000000002546a6e0 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
243 121 36dc 000000002546adf0 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
244 122 ffc 000000002546b500 1009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
245 123 c70 000000002546bc10 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
246 124 39f8 000000002546c400 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
247 125 34c4 000000002546cb10 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
XXXX 126 000000002546d220 1019820 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
248 127 ae0 000000002546d930 1009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
249 129 17fc 000000002546ee60 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
250 12b 2288 000000002546f570 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
251 111 2fa0 000000002546e750 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
XXXX 12a 000000002546fc80 1019820 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
252 128 3160 0000000025470aa0 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
253 12c 1fd8 000000002546e040 1009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
256 12d 13bc 0000000025472df0 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
258 12e fc0 00000000254718c0 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
259 12f 2d34 0000000025471fd0 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
260 130 366c 00000000254726e0 1009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
261 131 af0 00000000254711b0 1009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
262 132 2bbc 0000000025470390 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
263 133 ae8 0000000025473500 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
264 134 37b4 0000000025473c10 1009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
265 135 1e54 000000002538a120 1009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
266 136 3fa0 0000000033dbb290 1009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
267 137 2698 0000000033dbb9a0 1009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
268 138 ec0 0000000033dbc0b0 1009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
269 139 d30 0000000033dbc7c0 1009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
270 13a cc8 0000000033dbced0 1009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
271 13b 29f4 0000000033dbd5e0 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
272 13c 2c74 0000000033dbdcf0 1009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
273 13d 3150 0000000033dbe400 1009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
274 13e 27c4 0000000033dbeb10 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
275 13f 1ee8 0000000033dbf220 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
276 140 1dec 0000000033dbf930 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
277 141 3398 0000000033dc0040 1009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
278 14a 274c 0000000033e073f0 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
279 14b 1d50 0000000033e08210 3009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
280 149 1258 0000000033e07b00 1009220 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 MTA (Threadpool Worker)
XXXX 148 0000000033e06ce0 19820 Enabled 0000000000000000:0000000000000000 00000000001a85b0 0 Ukn
Como vemos en esta salida de WinDBG tenemos varios thread y en el thread 44 hay una excepción (GC) (Threadpool Worker) System.ExecutionEngineException (0000000002871228) y esta dirección es la dirección de memoria donde es el System.ExecutionEngineException. Empecemos la investigación desde ahí.
0:281> !pe 0000000002871228
Exception object: 0000000002871228
Exception type: System.ExecutionEngineException
Message: <none>
InnerException: <none>
StackTrace (generated):
<none>
StackTraceString: <none>
HResult: 80131506
The current thread is unmanaged
Ahora como siempre examinemos las pilas nativas y administrada.
0:044> !clrstack
OS Thread Id: 0x290c (44)
Child SP IP Call Site
000000002191d9b8 000007fef3fecca3 [HelperMethodFrame: 000000002191d9b8]
000000002191dc30 000007fef2f394b7 System.Text.StringBuilder.ToString()
000000002191dc80 000007feed584193 System.Data.Query.PlanCompiler.CTreeGenerator.ResolveVar(System.Data.Query.InternalTrees.Var)
000000002191dd40 000007feed5845fe System.Data.Query.PlanCompiler.CTreeGenerator.CreateProject(RelOpInfo, System.Collections.Generic.IEnumerable`1<System.Data.Query.InternalTrees.Var>)
000000002191de10 000007feed587e49 System.Data.Query.PlanCompiler.CTreeGenerator.Visit(System.Data.Query.InternalTrees.PhysicalProjectOp, System.Data.Query.InternalTrees.Node)
000000002191deb0 000007feed58582c System.Data.Query.PlanCompiler.CTreeGenerator..ctor(System.Data.Query.InternalTrees.Command, System.Data.Query.InternalTrees.Node)
000000002191df10 000007feed5725f1 System.Data.Query.PlanCompiler.ProviderCommandInfoUtils.Create(System.Data.Query.InternalTrees.Command, System.Data.Query.InternalTrees.Node, System.Collections.Generic.List`1<System.Data.Query.PlanCompiler.ProviderCommandInfo>)
000000002191df60 000007feed536485 System.Data.Query.PlanCompiler.CodeGen.Process(System.Collections.Generic.List`1<System.Data.Query.PlanCompiler.ProviderCommandInfo> ByRef, System.Data.Query.InternalTrees.ColumnMap ByRef, Int32 ByRef)
000000002191dfe0 000007feed4b4d90 System.Data.Query.PlanCompiler.PlanCompiler.Compile(System.Collections.Generic.List`1<System.Data.Query.PlanCompiler.ProviderCommandInfo> ByRef, System.Data.Query.InternalTrees.ColumnMap ByRef, Int32 ByRef, System.Data.Common.Utils.Set`1<System.Data.Metadata.Edm.EntitySet> ByRef)
000000002191e0d0 000007feed54418e System.Data.EntityClient.EntityCommandDefinition..ctor(System.Data.Common.DbProviderFactory, System.Data.Common.CommandTrees.DbCommandTree)
000000002191e270 000007feed62aae4 System.Data.EntityClient.EntityProviderServices.CreateDbCommandDefinition(System.Data.Common.DbProviderManifest, System.Data.Common.CommandTrees.DbCommandTree)
000000002191e2b0 000007feed5cf34d System.Data.Objects.Internal.ObjectQueryExecutionPlan.Prepare(System.Data.Objects.ObjectContext, System.Data.Common.CommandTrees.DbQueryCommandTree, System.Type, System.Data.Objects.MergeOption, System.Data.Objects.Span, System.Collections.ObjectModel.ReadOnlyCollection`1<System.Collections.Generic.KeyValuePair`2<System.Data.Objects.ObjectParameter,System.Data.Objects.ELinq.QueryParameterExpression>>)
000000002191e3b0 000007feed5fec9a System.Data.Objects.ELinq.ELinqQueryState.GetExecutionPlan(System.Nullable`1<System.Data.Objects.MergeOption>)
000000002191e4b0 000007feed610a65 System.Data.Objects.ObjectQuery`1[[System.__Canon, mscorlib]].GetResults(System.Nullable`1<System.Data.Objects.MergeOption>)
000000002191e530 000007feed6117cf System.Data.Objects.ObjectQuery`1[[System.__Canon, mscorlib]].System.Collections.Generic.IEnumerable<T>.GetEnumerator()
000000002191e580 000007feef066e79 System.Linq.Enumerable.First[[System.__Canon, mscorlib]](System.Collections.Generic.IEnumerable`1<System.__Canon>)
000000002191e5e0 000007feef081daf System.Linq.Queryable.First[[System.__Canon, mscorlib]](System.Linq.IQueryable`1<System.__Canon>)
000000002191e640 000007ff00416efa ServerDetection.Data.DataAccess.UpdateSever(ServerDetection.Server)
000000002191e940 000007ff004133b6 ServerDetection.StreamRulesEngine.ExploreServer(ServerDetection.Server)
000000002191eb50 000007ff00412f2c ServerDetection.StreamRulesEngine.<CreateTask>b__15(System.Object)
000000002191eb90 000007fef36796bb System.Threading.Tasks.Task.Execute()
000000002191ebf0 000007fef2f60d3c System.Threading.ExecutionContext.Run(System.Threading.ExecutionContext, System.Threading.ContextCallback, System.Object, Boolean)
000000002191ec50 000007fef3679455 System.Threading.Tasks.Task.ExecuteWithThreadLocal(System.Threading.Tasks.Task ByRef)
000000002191ecd0 000007fef367d9d0 System.Threading.Tasks.Task.ExecuteEntry(Boolean)
000000002191ed10 000007fef2f96be8 System.Threading.ThreadPoolWorkQueue.Dispatch()
000000002191eda0 000007fef2f96a85 System.Threading._ThreadPoolWaitCallback.PerformWaitCallback()
000000002191f3f0 000007fef3e621b4 [DebuggerU2MCatchHandlerFrame: 000000002191f3f0]
0:044> kb 2000
RetAddr : Args to Child : Call Site
000007fe`f3feaf0a : 00000000`00000001 00000000`00000000 000007fe`00000002 000007fe`00000001 : clr!WKS::gc_heap::plan_phase+0x454
000007fe`f3feb6a5 : 000000d4`19ef3257 00000000`2191d629 00000000`00000001 00000000`00000001 : clr!WKS::gc_heap::gc1+0xbb
000007fe`f3feb35e : 00000000`00193900 000007fe`00000000 00000000`00000000 00000000`00000000 : clr!WKS::gc_heap::garbage_collect+0x276
000007fe`f3fe9c18 : 00000000`1c857440 00000000`00000088 000007fe`f3e30000 00000000`09350d00 : clr!WKS::GCHeap::GarbageCollectGeneration+0x14e
000007fe`f3fe929e : 00000000`000000a8 000007fe`f46c3700 00000000`2191d800 00000000`1c857440 : clr!WKS::gc_heap::try_allocate_more_space+0x25f
000007fe`f3ee4a95 : 00000000`00000088 00000000`00193900 00000000`1c857440 00000000`2191dca0 : clr!WKS::GCHeap::Alloc+0x7e
000007fe`f2f394b7 : 00000000`08000001 00000000`09351c00 00000000`030d39f0 00000000`0934f478 : clr!FramedAllocateString+0xb19
000007fe`ed584193 : 00000000`09350e88 00000000`09350d00 00000000`0300b1a8 00000000`09350e88 : mscorlib_ni+0x3694b7
000007fe`ed5845fe : 00000000`09350e08 00000000`093405d0 00000000`000000fa 00000000`00000000 : System_Data_Entity_ni+0x854193
000007fe`ed587e49 : 00000000`0934f478 00000000`09350ce8 00000000`00000000 000007fe`f3e98733 : System_Data_Entity_ni+0x8545fe
000007fe`ed58582c : 00000000`0934f478 00000000`0934bff0 00000000`093382d8 000007fe`ed5734c8 : System_Data_Entity_ni+0x857e49
000007fe`ed5725f1 : 00000000`2191def0 000007fe`f3e701ff 00000000`00000000 00000000`2191e1c8 : System_Data_Entity_ni+0x85582c
000007fe`ed536485 : 00000000`09334420 000007fe`ed3ed8b9 00000000`0934f450 00000000`2191e050 : System_Data_Entity_ni+0x8425f1
000007fe`ed4b4d90 : 00000000`00000000 00000000`00000000 00000000`02de9628 00000000`1288f490 : System_Data_Entity_ni+0x806485
000007fe`ed54418e : 00000000`00000000 00000000`00000000 00000000`00000000 00000000`00000000 : System_Data_Entity_ni+0x784d90
000007fe`ed62aae4 : 00000000`093341a0 00000000`062e3608 00000000`09333ef8 00000000`09333ef8 : System_Data_Entity_ni+0x81418e
000007fe`ed5cf34d : 00000000`09333f28 000007fe`ed3f0a59 00000000`04f1db88 000007fe`f2f46f83 : System_Data_Entity_ni+0x8faae4
000007fe`ed5fec9a : 00000000`062e3608 000007ff`003d27e8 00000000`02db2aa0 0000635b`00000000 : System_Data_Entity_ni+0x89f34d
000007fe`ed610a65 : 00000000`04f1db88 00000000`00000000 000007ff`002ae568 00000000`2191e0b8 : System_Data_Entity_ni+0x8cec9a
000007fe`ed6117cf : 00000000`04f1dbe8 000007ff`00489730 000007fe`eeefa86f 00000000`00000000 : System_Data_Entity_ni+0x8e0a65
000007fe`ef066e79 : 00000000`062e7bc8 00000000`090f7a68 00000000`090f7a68 000007fe`ed5ff21f : System_Data_Entity_ni+0x8e17cf
000007fe`ef081daf : 000007ff`00489730 000007ff`00489430 00000000`09124478 00000000`08ee3668 : System_Core_ni+0x456e79
000007ff`00416efa : 000007ff`00488e40 00000000`00000000 00000000`08ed3048 00000000`12871030 : System_Core_ni+0x471daf
000007ff`004133b6 : 00000000`02dc41e8 00000000`0603a228 00000000`033d1008 000007fe`f383ea3c : 0x7ff`00416efa
000007ff`00412f2c : 00000000`02db1118 00000000`0603a228 00000000`2191ec88 000007fe`f3e7063c : 0x7ff`004133b6
000007fe`f36796bb : 00000000`02db1118 00000000`0603a228 00000000`0603a3a8 000007fe`f2f61545 : 0x7ff`00412f2c
000007fe`f2f60d3c : 00000000`0603a3a8 00000000`1c8573d8 00000000`2191ec40 000007fe`f3e6ed1e : mscorlib_ni+0xaa96bb
000007fe`f3679455 : 00000000`12871030 00000000`0603a3a8 00000000`2191ec88 00000000`00000001 : mscorlib_ni+0x390d3c
000007fe`f367d9d0 : 00000000`0603a3a8 00000000`033d1018 00000000`0603a3a8 000007fe`f2fe71a9 : mscorlib_ni+0xaa9455
000007fe`f2f96be8 : 000007fe`f2c4e7f8 00000000`2191f140 000007ff`00022020 00000000`0316bf48 : mscorlib_ni+0xaad9d0
000007fe`f2f96a85 : 48cc31a4`460aef00 00000000`09103290 00000000`00000000 00000004`00000005 : mscorlib_ni+0x3c6be8
000007fe`f3e621b4 : 48cc31a4`460aef03 000007fe`f2f66e32 00000000`09103200 00000001`000001bb : mscorlib_ni+0x3c6a85
000007fe`f3e67129 : 00000000`2191f208 00000000`02db11e0 00000000`21910000 00000000`00000000 : clr!CallDescrWorker+0x84
000007fe`f3e671a3 : 00000000`2191ef48 00000000`00000000 00000000`2191ef50 00000000`00000000 : clr!CallDescrWorkerWithHandler+0xa9
000007fe`f3e6c5b5 : 00000000`2191f6a8 00000000`2191f4c8 00000000`1c8573d0 00000000`00000001 : clr!MethodDesc::CallDescr+0x2f4
000007fe`f403c42f : 00000000`2191f6a8 00000000`2191f658 00000000`2191f4c8 00000000`00000000 : clr!MethodDescCallSite::CallWithValueTypes_RetArgSlot+0x35
000007fe`f3ef6c5a : ffffffff`fffffffe 000007fe`f3e33489 ffffffff`fffffffe 00000000`1c8573d0 : clr!QueueUserWorkItemManagedCallback+0x44
000007fe`f3ef6bef : 00000000`00000000 00000000`00000000 00000000`00000000 00000000`00000000 : clr!SystemDomain::LoadBaseSystemClasses+0x43e
000007fe`f3ef6b5c : 00000000`00159770 00000000`2191f380 00000000`00000000 00000000`2191f3c8 : clr!SString::Equals+0x190
000007fe`f403c2f9 : ffffffff`ffffffff 00000000`1c8573d0 00000000`00000000 000007fe`f3e333eb : clr!CParseUtils::TrimWhiteSpace+0x119
000007fe`f3f04bf5 : 00000000`00000c0a 00000000`00000000 00000000`1c8573d0 000007fe`f3ecd2d0 : clr!ManagedPerAppDomainTPCount::DispatchWorkItem+0xe6
000007fe`f4004377 : 00000000`00000000 00000000`1dfa6501 000000f2`00f200f2 00000000`00000c0a : clr!ThreadpoolMgr::NewWorkerThreadStart+0x49f
000007fe`f4002c22 : 00000000`00000000 00000000`00000000 00000000`2191f7a0 00000000`00000000 : clr!ThreadpoolMgr::WorkerThreadStart+0x3b
00000000`76e9f56d : 00000000`00000000 00000000`00000000 00000000`00000000 00000000`00000000 : clr!Thread::intermediateThreadProc+0x7d
00000000`770d3281 : 00000000`00000000 00000000`00000000 00000000`00000000 00000000`00000000 : kernel32!BaseThreadInitThunk+0xd
00000000`00000000 : 00000000`00000000 00000000`00000000 00000000`00000000 00000000`00000000 : ntdll!RtlUserThreadStart+0x1d
En mi pila administrada mi último frame es System.Text.StringBuilder.ToString(), así que asumimos que estamos creando memoria para ese string. Si miramos a la pila nativa observamos que justo en ese punto se estaba haciendo una recolección de basura.
La secuencia es: FramedAllocateString -> GCHeap::Alloc -> gc_heap::try_allocate_more_space -> GCHeap::GarbageCollectGeneration -> gc_heap::garbage_collect -> :gc_heap::gc1
Este punto estamos seguros de que realmente se estaba reservando memoria para ese string, pero como no habría más memoria disponible se había lanzado una recolección de basura y ahí es donde el runtime encontró la corrupción del heap.
Hay un commando muy util en WinDBG !verifyheap que nos permite comprobar que hay signos de corrupción en el heap adminsitrado.
0:044> !verifyheap
-verify will only produce output if there are errors in the heap
The garbage collector data structures are not in a valid state for traversal.
It is either in the "plan phase," where objects are being moved around, or
we are at the initialization or shutdown of the gc heap. Commands related to
displaying, finding or traversing objects as well as gc heap segments may not
work properly. !dumpheap and !verifyheap may incorrectly complain of heap
consistency errors.
object 0000000006fb6ec8: bad member 0000000008f1b750 at 0000000006fb6ef8
curr_object: 0000000006fb6ec8
Last good object: 0000000006fb6e50
----------------
El commando !verifyheap nos está diciendo que en ese preciso momento se estaba realizando una recolección de basura que las estructuras del gc puede que no estén en un estado válido para que este comando extraiga toda la información, pero al final del reporte encontramos que hay un objeto que tiene un miembro inválido, este objeto es un System.IO.StreamReader y el miembro invalido es System.Char[] 0000000008f1b750 charBuffer.
0:044> !do 0000000006fb6ec8
<Note: this object has an invalid CLASS field>
Name: System.IO.StreamReader
MethodTable: 000007fef30951a0
EEClass: 000007fef2cce0d0
Size: 96(0x60) bytes
File: C:WindowsMicrosoft.NetassemblyGAC_64mscorlibv4.0_4.0.0.0__b77a5c561934e089mscorlib.dll
Fields:
MT Field Offset Type VT Attr Value Name
000007fef30d9518 40001cd 8 System.Object 0 instance 0000000000000000 __identity
000007fef3091d08 4001fda c80 System.IO.TextReader 0 shared static Null
>> Domain:Value 00000000001a85b0:NotInit <<
000007fef30dd718 4001fde 54 System.Boolean 1 instance 1 _closable
000007fef30e3658 4001fdf 10 System.IO.Stream 0 instance 0000000006fb6e50 stream
000007fef30e3968 4001fe0 18 System.Text.Encoding 0 instance 00000000032d6848 encoding
000007fef30ac110 4001fe1 20 System.Text.Decoder 0 instance 0000000006fb6f28 decoder
000007fef30e0d00 4001fe2 28 System.Byte[] 0 instance 0000000008f1a738 byteBuffer
000007fef30db4a8 4001fe3 30 System.Char[] 0 instance 0000000008f1b750 charBuffer
000007fef30e0d00 4001fe4 38 System.Byte[] 0 instance 000000000287ff88 _preamble
000007fef30dc918 4001fe5 40 System.Int32 1 instance 0 charPos
000007fef30dc918 4001fe6 44 System.Int32 1 instance 0 charLen
000007fef30dc918 4001fe7 48 System.Int32 1 instance 0 byteLen
000007fef30dc918 4001fe8 4c System.Int32 1 instance 0 bytePos
000007fef30dc918 4001fe9 50 System.Int32 1 instance 4096 _maxCharsPerBuffer
000007fef30dd718 4001fea 55 System.Boolean 1 instance 1 _detectEncoding
000007fef30dd718 4001feb 56 System.Boolean 1 instance 0 _checkPreamble
000007fef30dd718 4001fec 57 System.Boolean 1 instance 0 _isBlocked
000007fef30951a0 4001fdd c88 ...m.IO.StreamReader 0 shared static Null
>> Domain:Value 00000000001a85b0:NotInit <<
¿Qué podemos hacer con este problema?
Teniendo en cuenta que es un problema de corrupción en la pila lo que tenemos que hacer es simplemente llamar al servicio de soporte de Microsoft y notificarle lo que hemos encontrado.
Happy debugging. Luis.