需要在iPad上运行，即使它们只针对iPhone。再考虑一下，iPhone应用确实需要能够在iPad上作为iPhone应用运行，即使它们不是为iPad设计的。 Incident Identifier: 5E4A2B4C-EC76-441B-82A2-378

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需要在iPad上运行，即使它们只针对iPhone。

再考虑一下，iPhone应用确实需要能够在iPad上作为iPhone应用运行，即使它们不是为iPad设计的。

Incident Identifier: 5E4A2B4C-EC76-441B-82A2-3782F53B533B
CrashReporter Key:   5ee8aa21dffe8c0b7f3386a5290b271457c404c8
Hardware Model:      iPad3,3
Process:         *****
Path:            *****
Identifier:      *****
Version:         ??? (???)
Code Type:       ARM (Native)
Parent Process:  launchd [1]

Date/Time:       2012-06-04 18:44:59.930 -0700
OS Version:      iPhone OS 5.1.1 (9B206)
Report Version:  104

Exception Type:  EXC_CRASH (SIGABRT)
Exception Codes: 0x00000000, 0x00000000
Crashed Thread:  0

Application Specific Information:
*** Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: 
'Application tried to present a nil modal view controller on target <ViewController: 
0x176f80>.'
*** First throw call stack:
(0x3309e88f 0x35043259 0x35687441 00x356e26a7 0x84d9f 0x3565793d 0x356d1627 0x3777d933 
0x33072a33 0x33072699 0x3307126f 0x32ff44a5 0x32ff436d 0x33141439 0x355d3cd5 0x83f03 
0x83ec4)


Last Exception Backtrace:
(0x3309e88f 0x35043259 0x35687441 0x356e26a7 0x84d9f 0x3565793d 0x356d1627 0x3777d933 
0x33072a33 0x33072699 0x3307126f 0x32ff44a5 0x32ff436d 0x33141439 0x355d3cd5 0x83f03 
0x83ec4)

Thread 0 name:  Dispatch queue: com.apple.main-thread
Thread 0 Crashed:
0   libsystem_kernel.dylib          0x3557532c __pthread_kill + 8
1   libsystem_c.dylib               0x3249b208 pthread_kill + 48
2   libsystem_c.dylib               0x32494298 abort + 88
3   libc++abi.dylib                 0x34219f64 abort_message + 40
4   libc++abi.dylib                 0x34217346 _ZL17default_terminatev + 18
5   libobjc.A.dylib                 0x35043350 _objc_terminate + 140
6   libc++abi.dylib                 0x342173be _ZL19safe_handler_callerPFvvE + 70
7   libc++abi.dylib                 0x3421744a std::terminate() + 14
8   libc++abi.dylib                 0x3421881e __cxa_rethrow + 82
9   libobjc.A.dylib                 0x350432a2 objc_exception_rethrow + 6
10  CoreFoundation                  0x32ff4506 CFRunLoopRunSpecific + 398
11  CoreFoundation                  0x32ff4366 CFRunLoopRunInMode + 98
12  GraphicsServices                0x33141432 GSEventRunModal + 130
13  UIKit                           0x355d3cce UIApplicationMain + 1074
14  ******                  0x00083efc 0x82000 + 7932
15  ******                  0x00083ebc 0x82000 + 7868

Thread 1 name:  Dispatch queue: com.apple.libdispatch-manager
Thread 1:
0   libsystem_kernel.dylib          0x355653a8 kevent + 24
1   libdispatch.dylib               0x317c9f04 _dispatch_mgr_invoke + 708
2   libdispatch.dylib               0x317c9c22 _dispatch_mgr_thread + 30

Thread 2:
0   libsystem_kernel.dylib          0x35575cd4 __workq_kernreturn + 8
1   libsystem_c.dylib               0x32456f36 _pthread_wqthread + 610
2   libsystem_c.dylib               0x32456cc8 start_wqthread + 0

Thread 3 name:  WebThread
Thread 3:
0   libsystem_kernel.dylib          0x35565004 mach_msg_trap + 20
1   libsystem_kernel.dylib          0x355651fa mach_msg + 50
2   CoreFoundation                  0x330723ec __CFRunLoopServiceMachPort + 120
3   CoreFoundation                  0x33071124 __CFRunLoopRun + 876
4   CoreFoundation                  0x32ff449e CFRunLoopRunSpecific + 294
5   CoreFoundation                  0x32ff4366 CFRunLoopRunInMode + 98
6   WebCore                         0x35d92c9c _ZL12RunWebThreadPv + 396
7   libsystem_c.dylib               0x3245c72e _pthread_start + 314
8   libsystem_c.dylib               0x3245c5e8 thread_start + 0

Thread 4:
0   libsystem_kernel.dylib          0x35575cd4 __workq_kernreturn + 8
1   libsystem_c.dylib               0x32456f36 _pthread_wqthread + 610
2   libsystem_c.dylib               0x32456cc8 start_wqthread + 0

Thread 5:
0   libsystem_kernel.dylib          0x35575cd4 __workq_kernreturn + 8
1   libsystem_c.dylib               0x32456f36 _pthread_wqthread + 610
2   libsystem_c.dylib               0x32456cc8 start_wqthread + 0

Thread 6:
0   AddressBook                     0x338c7cc8 ABAddressBookCreate + 0
1   TextInput                       0x345d11be
KB::fill_with_matchable_strings_from_address_book(KB::Hashmap<KB::String, bool>&) + 10
2   TextInput                       0x345d7dee 
KB::DynamicDictionaryImpl::background_load_address_book(KB::StaticDictionary const&) + 194
3   TextInput                       0x345d8728 _ZN2KBL14BackgroundLoadEPv + 272
4   libsystem_c.dylib               0x3245c72e _pthread_start + 314
5   libsystem_c.dylib               0x3245c5e8 thread_start + 0

Thread 0 crashed with ARM Thread State:
    r0: 0x00000000    r1: 0x00000000      r2: 0x00000001      r3: 0x00000000
    r4: 0x00000006    r5: 0x3ea85d98      r6: 0x00000002      r7: 0x2fe80a60
    r8: 0x00000000    r9: 0x00000000     r10: 0x3f330d4c     r11: 0x3f3459c0
    ip: 0x00000148    sp: 0x2fe80a54      lr: 0x3249b20f      pc: 0x3557532c
  cpsr: 0x00020010