title: how to understand Crash Log of iPhone
body: <p>i only know it Crash not run out of memory.</p>
  
  <p>how did i know which it cause of error?</p>
  
  <pre><code>Incident Identifier: 242C320A-763C-407E-BD40-443E3E9B611C
  CrashReporter Key:   307097bc0924dac79e5352eb10692943c0ef05ad
  Process:         AsianDelight [4894]
  Path:            /var/mobile/Applications/7A8FF881-A033-45B9-8F72-8478217821E9/AsianDelight.app/AsianDelight
  Identifier:      AsianDelight
  Version:         ??? (???)
  Code Type:       ARM (Native)
  Parent Process:  launchd [1]
  
  Date/Time:       2010-01-20 16:32:49.285 +0700
  OS Version:      iPhone OS 3.1.2 (7D11)
  Report Version:  104
  
  Exception Type:  EXC_BAD_ACCESS (SIGBUS)
  Exception Codes: KERN_PROTECTION_FAILURE at 0x00000000
  Crashed Thread:  0
  
  Thread 0 Crashed:
  0   libobjc.A.dylib                 0x00007532 realizeClass + 18
  1   libobjc.A.dylib                 0x00007578 realizeClass + 88
  2   libobjc.A.dylib                 0x00007578 realizeClass + 88
  3   libobjc.A.dylib                 0x00007e76 prepareForMethodLookup + 26
  4   libobjc.A.dylib                 0x0000523e lookUpMethod + 34
  5   libobjc.A.dylib                 0x00002a0a _class_lookupMethodAndLoadCache + 6
  6   libobjc.A.dylib                 0x00002740 objc_msgSend_uncached + 20
  7   AsianDelight                    0x00004b3a -[FlowCoverView numTiles] (FlowCoverView.m:250)
  8   AsianDelight                    0x000048ea -[FlowCoverView updateAnimationAtTime:] (FlowCoverView.m:487)
  9   AsianDelight                    0x000057f6 -[FlowCoverView driveAnimation] (FlowCoverView.m:520)
  10  Foundation                      0x0000ccfe __NSFireTimer + 130
  11  CoreFoundation                  0x00056bac CFRunLoopRunSpecific + 2112
  12  CoreFoundation                  0x00056356 CFRunLoopRunInMode + 42
  13  GraphicsServices                0x00003cb8 GSEventRunModal + 108
  14  GraphicsServices                0x00003d64 GSEventRun + 56
  15  UIKit                           0x00002768 -[UIApplication _run] + 384
  16  UIKit                           0x0000146c UIApplicationMain + 688
  17  AsianDelight                    0x00002664 main (main.m:14)
  18  AsianDelight                    0x00002620 start + 44
  
  Thread 1:
  0   libSystem.B.dylib               0x00000818 mach_msg_trap + 20
  1   libSystem.B.dylib               0x00002ff8 mach_msg + 44
  2   CoreFoundation                  0x000567f6 CFRunLoopRunSpecific + 1162
  3   CoreFoundation                  0x00056356 CFRunLoopRunInMode + 42
  4   WebCore                         0x0005d9de RunWebThread(void*) + 286
  5   libSystem.B.dylib               0x0002492a _pthread_body + 10
  
  Thread 0 crashed with ARM Thread State:
      r0: 0x0012cd00    r1: 0xffffffff      r2: 0x80000000      r3: 0x00000002
      r4: 0x00000000    r5: 0x0012cd00      r6: 0x38680878      r7: 0x2ffff3e4
      r8: 0x00145798    r9: 0x001fc098     r10: 0x00000000     r11: 0x2ffff628
      ip: 0x00000004    sp: 0x2ffff3cc      lr: 0x3240357f      pc: 0x32403532
    cpsr: 0x20000030
  
  Binary Images:
      0x1000 -     0x7fff +AsianDelight armv6  &lt;df65e87046878ce496d0b1ac952247a1&gt; /var/mobile/Applications/7A8FF881-A033-45B9-8F72-8478217821E9/AsianDelight.app/AsianDelight
     0x6a000 -    0x6bfff  dns.so armv7  &lt;35ac487c38e38ed5810d5ed0d5c67546&gt; /usr/lib/info/dns.so
   0x3541000 -  0x366afff  GLEngine armv7  &lt;3363af21f4d6a81aaae829238bb06eb4&gt; /System/Library/Frameworks/OpenGLES.framework/GLEngine.bundle/GLEngine
   0x3696000 -  0x372afff  IMGSGX535GLDriver armv7  &lt;999124d3d82ac52e0eb81732f945610c&gt; /System/Library/Extensions/IMGSGX535GLDriver.bundle/IMGSGX535GLDriver
  0x2fe00000 - 0x2fe24fff  dyld armv7  &lt;5db9f5d0275997de58efff111816706e&gt; /usr/lib/dyld
  0x30149000 - 0x3016efff  AppSupport armv7  &lt;ca2e9a4f0475af20028968840ab94ecf&gt; /System/Library/PrivateFrameworks/AppSupport.framework/AppSupport
  0x30175000 - 0x3017ffff  MobileCoreServices armv7  &lt;36d71cd8dd49f5d5addb356f449b562a&gt; /System/Library/Frameworks/MobileCoreServices.framework/MobileCoreServices
  0x30184000 - 0x30184fff  Accelerate armv7  &lt;939f94df6c7e6e7a090ddee1ec09c844&gt; /System/Library/PrivateFrameworks/Accelerate.framework/Accelerate
  0x301b8000 - 0x301c3fff  libz.1.dylib armv7  &lt;8faba7ded9b3527ccf54c2f224f9a12f&gt; /usr/lib/libz.1.dylib
  0x301c4000 - 0x301eefff  CoreText armv7  &lt;821e9c7c935b6a8d735e2d2d9ebcee04&gt; /System/Library/PrivateFrameworks/CoreText.framework/CoreText
  0x302c6000 - 0x302cefff  CoreVideo armv7  &lt;9259f5ae2a74b53e4f13b27fa3d511e8&gt; /System/Library/PrivateFrameworks/CoreVideo.framework/CoreVideo
  0x302d4000 - 0x302d7fff  libGFXShared.dylib armv7  &lt;1ab8608f288196f32905d3bdab9616b4&gt; /System/Library/Frameworks/OpenGLES.framework/libGFXShared.dylib
  0x304cf000 - 0x3050ffff  libsqlite3.dylib armv7  &lt;c2b5985d8307d73b39140e76adfd2eb7&gt; /usr/lib/libsqlite3.dylib
  0x30578000 - 0x30a4efff  WebCore armv7  &lt;4e2bac4e01a15979c9ac096f78280db0&gt; /System/Library/PrivateFrameworks/WebCore.framework/WebCore
  0x30b13000 - 0x30b13fff  vecLib armv7  &lt;4eb91bf56603dc0db6784d8d3240bfa8&gt; /System/Library/PrivateFrameworks/Accelerate.framework/Frameworks/vecLib.framework/vecLib
  0x30c2b000 - 0x30d04fff  libGLProgrammability.dylib armv7  &lt;efc744c0ff3697951a5c269c37a9b2cf&gt; /System/Library/Frameworks/OpenGLES.framework/libGLProgrammability.dylib
  0x30d05000 - 0x30d29fff  SystemConfiguration armv7  &lt;c57df668b510f025ee5a173ad30fb48e&gt; /System/Library/Frameworks/SystemConfiguration.framework/SystemConfiguration
  0x30d6c000 - 0x30decfff  QuartzCore armv7  &lt;af0722911ffc74fc08075e9831a6222e&gt; /System/Library/Frameworks/QuartzCore.framework/QuartzCore
  0x30e5d000 - 0x30e72fff  libresolv.9.dylib armv7  &lt;2b6a9404652dd2b5abd1c6a5583e8533&gt; /usr/lib/libresolv.9.dylib
  0x30ec7000 - 0x30ed0fff  SpringBoardServices armv7  &lt;17ca8b5262cd6484d41efdc72c6fd057&gt; /System/Library/PrivateFrameworks/SpringBoardServices.framework/SpringBoardServices
  0x30fe6000 - 0x30ffbfff  OpenGLES armv7  &lt;be80a5e4c55c2920be2c31f740bb9dba&gt; /System/Library/Frameworks/OpenGLES.framework/OpenGLES
  0x31003000 - 0x31009fff  libkxld.dylib armv7  &lt;04ab19af95239c12a98539478eebc560&gt; /usr/lib/system/libkxld.dylib
  0x312f6000 - 0x312fcfff  libgcc_s.1.dylib armv7  &lt;263b2691cd12171b31fa600716104e4a&gt; /usr/lib/libgcc_s.1.dylib
  0x31338000 - 0x31367fff  libCGFreetype.A.dylib armv7  &lt;2ec5ad6812f5ea3859cb4189d62b7265&gt; /System/Library/Frameworks/CoreGraphics.framework/Resources/libCGFreetype.A.dylib
  0x31393000 - 0x313cafff  IOKit armv7  &lt;0afabe8bf08fc163ba8e4ed614092cd3&gt; /System/Library/Frameworks/IOKit.framework/Versions/A/IOKit
  0x313e9000 - 0x313eafff  IOMobileFramebuffer armv7  &lt;9d9f0254b5b64ced3d58191748f3027b&gt; /System/Library/PrivateFrameworks/IOMobileFramebuffer.framework/IOMobileFramebuffer
  0x313ed000 - 0x314e2fff  Foundation armv7  &lt;ede5b943f529ce1b862c15dc876992c1&gt; /System/Library/Frameworks/Foundation.framework/Foundation
  0x314ed000 - 0x31599fff  libxml2.2.dylib armv7  &lt;a491bfc5f062f33185a3f98969bae3c2&gt; /usr/lib/libxml2.2.dylib
  0x31926000 - 0x319a8fff  WebKit armv7  &lt;b9b7246a09f5db68e44497d318cb3ab6&gt; /System/Library/PrivateFrameworks/WebKit.framework/WebKit
  0x319a9000 - 0x31aa0fff  libSystem.B.dylib armv7  &lt;3f94d4b13815a93cbdfc6c7dc2afe5b4&gt; /usr/lib/libSystem.B.dylib
  0x31aa2000 - 0x31b8bfff  AudioToolbox armv7  &lt;393fa1e155bb0523c2a90555bb394498&gt; /System/Library/Frameworks/AudioToolbox.framework/AudioToolbox
  0x31b8d000 - 0x31bfcfff  CFNetwork armv7  &lt;b55671f2472fdae3f811ae6f636b4e2e&gt; /System/Library/Frameworks/CFNetwork.framework/CFNetwork
  0x31bfe000 - 0x31c42fff  libGLImage.dylib armv7  &lt;ea2c117d2db3bb4c7d2137ffb9a09bdd&gt; /System/Library/Frameworks/OpenGLES.framework/libGLImage.dylib
  0x31d59000 - 0x31d5cfff  IOSurface armv7  &lt;81661b8e151a9af6ce5704a728e12dc7&gt; /System/Library/PrivateFrameworks/IOSurface.framework/IOSurface
  0x31ed9000 - 0x31f8dfff  JavaScriptCore armv7  &lt;d3434c868a9a0f4016ed32ba90a35c4d&gt; /System/Library/PrivateFrameworks/JavaScriptCore.framework/JavaScriptCore
  0x31f91000 - 0x320e6fff  CoreGraphics armv7  &lt;5852bd39fd1ef304da7b017949755cab&gt; /System/Library/Frameworks/CoreGraphics.framework/CoreGraphics
  0x321d4000 - 0x322d5fff  libicucore.A.dylib armv7  &lt;1081389fef915d9b8858d0dfff04568e&gt; /usr/lib/libicucore.A.dylib
  0x323fc000 - 0x32499fff  libobjc.A.dylib armv7  &lt;1a57ecb9f5c0f274a274b3eb53df48ed&gt; /usr/lib/libobjc.A.dylib
  0x324b5000 - 0x324cbfff  AddressBook armv7  &lt;c21d7ab21d7e67f84c487bc278568bbe&gt; /System/Library/Frameworks/AddressBook.framework/AddressBook
  0x32511000 - 0x325bbfff  CoreFoundation armv7  &lt;51c03f1f8755868781e3e719d8df7b6f&gt; /System/Library/Frameworks/CoreFoundation.framework/CoreFoundation
  0x3286c000 - 0x328f2fff  ImageIO armv7  &lt;ea76d0fd3ca8c1a6104bc0f013255e2d&gt; /System/Library/PrivateFrameworks/ImageIO.framework/ImageIO
  0x3290f000 - 0x32918fff  GraphicsServices armv7  &lt;5387c7197570ac7df97759c0402d453d&gt; /System/Library/PrivateFrameworks/GraphicsServices.framework/GraphicsServices
  0x32a01000 - 0x32a02fff  CoreSurface armv7  &lt;f3aae0195e4510657029b19161138593&gt; /System/Library/PrivateFrameworks/CoreSurface.framework/CoreSurface
  0x32a56000 - 0x32a7efff  libvDSP.dylib armv7  &lt;d846b621ce13b16241ac2d32ddd28615&gt; /System/Library/PrivateFrameworks/Accelerate.framework/Frameworks/vecLib.framework/libvDSP.dylib
  0x32a81000 - 0x32a86fff  liblockdown.dylib armv7  &lt;5b665cd59d9884ceecec6441fc42bc14&gt; /usr/lib/liblockdown.dylib
  0x32aed000 - 0x32b07fff  libRIP.A.dylib armv7  &lt;0dc4e83b63c1350517949e24204817fb&gt; /System/Library/Frameworks/CoreGraphics.framework/Resources/libRIP.A.dylib
  0x32b09000 - 0x32b2dfff  Security armv7  &lt;3a3406fe12445942f4d767c7fa4c24ce&gt; /System/Library/Frameworks/Security.framework/Security
  0x32b60000 - 0x33524fff  UIKit armv7  &lt;47c9d61f9cbe72938d1bfb1588306b97&gt; /System/Library/Frameworks/UIKit.framework/UIKit
  0x33594000 - 0x33599fff  MBX2D armv7  &lt;ae091892e4419221d25f8db9307cedf0&gt; /System/Library/PrivateFrameworks/MBX2D.framework/MBX2D
  0x3359a000 - 0x335d7fff  CoreAudio armv7  &lt;1eb427066a911d979a024e445464a067&gt; /System/Library/Frameworks/CoreAudio.framework/CoreAudio
  0x335d8000 - 0x33621fff  libstdc++.6.dylib armv7  &lt;99401ed10ec4d5608ce23ec33dd757c6&gt; /usr/lib/libstdc++.6.dylib
  0x33627000 - 0x33632fff  libbsm.0.dylib armv7  &lt;03f3879bad1802636dadeb457ee74cb2&gt; /usr/lib/libbsm.0.dylib
  </code></pre>