我一直在努力解决iPhone应用程序中的崩溃问题，该应用程序主要影响使用较旧设备的用户，这表明它与硬件处理能力有某种联系。该应用程序记录和分析声音过夜，崩溃通常发生在运行2-4小时后。崩溃不会产生具有堆栈跟踪的崩溃报告，并且不会出现内存警告。
崩溃产生了这个WDT超时错误，我可以找到很少的信息，并且正在努力辨别任何线索。任何人都可以帮助解释它的任何内容，或者有什么样的过程/冲突可能导致这种崩溃发生的任何一般性提示？关于如何最好地进行的任何建议？
Incident Identifier: DB5B12FF-D03E-45FE-A32D-9A62EE4490E0
CrashReporter Key: 1a40ef56e27368d8790606ed1a4315bc65dc95c4
Hardware Model: iPhone3,1
Date/Time: 2014-04-22 17:40:22.374 +0100
OS Version: iOS 7.1 (11D169)
Debugger message: WDT timeout
33s ago: 3963m0/0 3963m0/1 3963u0 3863m0/0 3863m0/1 3863u0 3763m0/0 3763m0/1 3763u0 3662m0/0 3659m0/1 3659u0 3558m0/0 3558m0/1 3558u0 3458m0/0 3458m0/1 3458u0 3357m0/0 3357m0/1 3357u0 3257m0/0 3255m0/1 3255u0 3152m0/0 3130m0/1 3130u0 3030m0/0 3030m0/1 3030u0 2929m0/0 2923m0/1 2923u0 2822m0/0 2734m0/1 2734u0 2564m0/0 2549m0/1 2549u0 2443m0/0 2437m0/1 2437u0 2237m10004003/0 2075u0 2074m0/1 2074u0 1874m10004003/0 1802u0 1801m0/1 1801u0 1691m0/0 1591m10004003/1 1202u0 1202u0 1054m0/0 1054m0/1 1054u0 854m10004003/0 601u0 600m0/1 600u0 400m10004003/0 0tffc00 0m0/1
OS version: 11D169
Kernel version: Darwin Kernel Version 14.0.0: Fri Feb 21 19:41:10 PST 2014; root:xnu-2423.10.67~1/RELEASE_ARM_S5L8930X
Kernel slide: 0x0000000003a00000
Kernel text base: 0x83a01000
Boot : 0x5355a1fd 0x00000000
Sleep : 0x53563d27 0x00065d6a
Wake : 0x53563d74 0x000001d2
Calendar: 0x53569b1c 0x0004f49b
Total cpu_usage: 15404741
Thread task pri cpu_usage
0xc5c78110 MY APP 97 5153490
0xc5329330 kernel_task 93 2287
0xc493de90 kernel_task 81 823
0xc499ce90 kernel_task 81 5625
0xc5fa57d0 mediaserverd 60 7288
Panicked task 0xc4810830: 8899 pages, 12 threads: pid 864: MY APP
panicked thread: 0xc5c78110, backtrace: 0x83d32b10
0x83b189f1
0x83b195e7
0x83f071f7
0x842d7cff
0x83a99857
0x83a1ca0c
Task 0xc4819c00: 12615 pages, 113 threads: pid 0: kernel_task
Task 0xc4819950: 271 pages, 3 threads: pid 1: launchd
Task 0xc48193f0: 1221 pages, 11 threads: pid 14: UserEventAgent
Task 0xc4819140: 1049 pages, 5 threads: pid 15: wifid
Task 0xc4818930: 660 pages, 3 threads: pid 18: timed
Task 0xc4818120: 787 pages, 4 threads: pid 21: mediaremoted
Task 0xc4817910: 544 pages, 2 threads: pid 24: iaptransportd
Task 0xc4817100: 309 pages, 2 threads: pid 27: softwareupdated
Task 0xc4816e50: 2723 pages, 14 threads: pid 28: backboardd
Task 0xc4816640: 961 pages, 2 threads: pid 31: fairplayd.H1
Task 0xc48160e0: 619 pages, 3 threads: pid 33: mDNSResponder
Task 0xc4815e30: 9582 pages, 14 threads: pid 34: SpringBoard
Task 0xc4815b80: 913 pages, 2 threads: pid 35: routined
Task 0xc48158d0: 492 pages, 3 threads: pid 36: softwarebehavior
Task 0xc4815370: 1044 pages, 7 threads: pid 38: aggregated
Task 0xc48148b0: 252 pages, 6 threads: pid 42: syslogd