Mprotect remapping failed

I am getting constant errors in runtime on the iphone and ipod touch (both versions) randomly as I am testing a lite version of my game. I am asking the forum for help.

The project is set to 480x320 resolution so I do not know why I am getting the error.

I would love to know what causes these errors? I have lowered the poly count on my project models to the point were they can not be lowered anymore. I have checked in the editor to makes sure the game is not drawing more then 7000 polys. My frame rate appears to be fine 20-15 fps on ipod and iphone.

I am kinda going crazy at this point, so I would love some help.

BUG already filed:
(Case 55228) Mprotect remapping failed

Here is the console error on the game if you are interested.

Code (csharp):

1.  
2. End Load File completely 393.444333
3.  
4. Resolution not supported on iPhone (Filename: /Users/joe/iphone-clean/Projects/../PlatformDependent/iPhonePlayer/ScreenManager.cpp Line: 49)
5. stats: calls=5 tris=82 verts=108 draw=3806
6. stats: calls=5 tris=82 verts=108 draw=4849
7. Px actor destructor 84293632
8. creating actor 18329424
9. Static actor 18329424
10. Object::FindAllDerivedObjects (ClassID (LevelGameManager), NULL) (Filename: /Users/joe/iphone-clean/Projects/../Runtime/Misc/SaveAndLoadHelper.cpp Line: 154)
11.  
12.  
13. End Load File completely 394.029500
14.  
15. Resolution not supported on iPhone (Filename: /Users/joe/iphone-clean/Projects/../PlatformDependent/iPhonePlayer/ScreenManager.cpp Line: 49)
16. stats: calls=5 tris=86 verts=124 draw=3857
17. iPhone internal renderer profiler stats:
18. plr> min: -48.929000   max: 744.700167   avg: 54.453833
19. drw> min: 0.499167   max: 61.038333   avg: 4.638333
20. fls> min: 0.000000   max: 0.000500   avg: 0.000333
21. swp> min: 0.591333   max: 4.366500   avg: 1.119500
22. frm> min: 30.502000   max: 768.238333   avg: 82.268833
23. mono> used: 266240 heap: 479232
24. ----------------------------------------
25. stats: calls=5 tris=86 verts=124 draw=3742
26. stats: calls=5 tris=86 verts=124 draw=3886
27. stats: calls=5 tris=86 verts=124 draw=3911
28. iPhone internal renderer profiler stats:
29. plr> min: 6.646500   max: 15.737667   avg: 9.441667
30. drw> min: 0.494167   max: 1.451000   avg: 0.691000
31. fls> min: 0.000000   max: 0.000500   avg: 0.000333
32. swp> min: 0.588667   max: 1.808500   avg: 0.728667
33. frm> min: 31.983000   max: 34.525500   avg: 33.287167
34. mono> used: 315392 heap: 479232
35. ----------------------------------------
36. Px actor destructor 18329424
37. creating actor 84293632
38. Static actor 84293632
39. Object::FindAllDerivedObjects (ClassID (LevelGameManager), NULL) (Filename: /Users/joe/iphone-clean/Projects/../Runtime/Misc/SaveAndLoadHelper.cpp Line: 154)
40.  
41.  
42. End Load File completely 360.727000
43.  
44. Resolution not supported on iPhone (Filename: /Users/joe/iphone-clean/Projects/../PlatformDependent/iPhonePlayer/ScreenManager.cpp Line: 49)
45. Px actor destructor 84293632
46. creating actor 18329424
47. Static actor 18329424
48. Object::FindAllDerivedObjects (ClassID (LevelGameManager), NULL) (Filename: /Users/joe/iphone-clean/Projects/../Runtime/Misc/SaveAndLoadHelper.cpp Line: 154)
49. creating actor 26049540
50. creating body 26049536
51.   creating actor 99997664
52. Static actor 99997664
53. creating actor 100005184
54. Static actor 100005184
55. creating actor 100007616
56. Static actor 100007616
57. creating actor 100013936
58. Static actor 100013936
59. creating actor 100016800
60. Static actor 100016800
61. creating actor 100021232
62. Static actor 100021232
63. creating actor 100025008
64. Static actor 100025008
65. creating actor 100028608
66. Static actor 100028608
67. creating actor 100029888
68. Static actor 100029888
69. creating actor 100023376
70. Static actor 100023376
71.   creating actor 100066448
72. Static actor 100066448
73. creating actor 100069664
74. Static actor 100069664
75. creating actor 100087664
76. Static actor 100087664
77. creating actor 100090240
78. Static actor 100090240
79. creating actor 100086576
80. Static actor 100086576
81.  
82.  
83. End Load File completely 1602.906667
84.  
85.  creating actor 25642500
86. creating body 25642496
87.  stats: calls=39 tris=1713 verts=10484 draw=40257
88. stats: calls=39 tris=1713 verts=10484 draw=30802
89. stats: calls=48 tris=2329 verts=13438 draw=40424
90. iPhone internal renderer profiler stats:
91. plr> min: -484.722333   max: 3832.151000   avg: 167.390000
92. drw> min: 0.492500   max: 577.990667   avg: 26.853500
93. fls> min: 0.000000   max: 0.000667   avg: 0.000333
94. swp> min: 0.596500   max: 3.432333   avg: 1.283333
95. frm> min: 32.234833   max: 3943.210500   avg: 216.681167
96. mono> used: 311296 heap: 479232
97. ----------------------------------------
98. Mprotect failed at 0x5324000 (length 53248) with errno 13
99. Mprotect remapping failed
100. (gdb)

 

Texture resolution maybe? iPhone/iPod only supports textures up to 1024x1024 I think, do any of your textures go over that resolution?

 

I my textures are actually 256x256 or 512x512.

-Mark

 

Similar issue is already fixed in upcoming hotfix, but to be sure please attach your project to the bug report.

Workaround: don't allocate mono objects too frequently, reuse them if possible (this would also improve your performance).

 

I'm really sorry I know this is an old thread but I'm having the same issue. I posted about it here

there error xcode is displaying is

Code (CSharp):

1. Mprotect failed at 0xed50000 (length 212992) with errno 12
2. Mprotect remapping failed

and it causes a crash.

Currently on Unity 5.3 but has been happening since 5.2
Xcode is version 7.2 but has been happening since 7.0 I think

 

I have resolved this proble .平时都是我们看英文，现在你们看下中文吧。 出现的原因就是某个大型系统采用了大量的文件销毁和创建工作，比如同步切换场景。 解决方案： 1.改为异步才操作 2.改为分布来操作。2者原理差不多 就是以前一帧要处理完的事情 我分批次 去处理。结合协成来操作。