I am using the latest version of XCode and building for iOS 6.0 and above. The following is the crash log I get. It doesn't seem to be helpful at all. The only thing I notice is that for My App it says "[per-process-limit]". Does this mean anything? What else could be causing this crash? I am using ARC if that matters. Thanks
Incident Identifier: B3FF81F3-FE14-46B2-A4C6-0931917D87C0
CrashReporter Key: e64be3b78430ea913edf711ceb553d83ad760b10
Hardware Model: iPhone5,1
OS Version: iPhone OS 6.1.3 (10B329)
Kernel Version: Darwin Kernel Version 13.0.0: Wed Feb 13 21:40:10 PST 2013; root:xnu-2107.7.55.2.2~1/RELEASE_ARM_S5L8950X
Date: 2013-04-16 18:57:49 -0400
Time since snapshot: 952 ms
Free pages: 1490
Active pages: 15836
Inactive pages: 7532
Throttled pages: 68031
Purgeable pages: 48
Wired pages: 165666
Largest process: Stevens Book Tra
Processes
Name <UUID> rpages recent_max [reason] (state)
timed <13d1143a8d7433cdbec64d4279aee1fe> 445 445 [vm] (daemon) (idle)
Bejeweled <ac11f9265d6634cc8ccb70757a223325> 14984 14984 [vm] (suspended)
AppStore <ffde258b8ad532398989bdd281fac800> 17866 17866 [vm] (suspended)
lsd <fe3afa7c718c30e591f1324f09d08c4f> 631 631 (daemon) (idle)
gamed <7954b1514d88384ca3f1f506b29d0812> 1510 1510 (daemon) (idle)
installd <4da1ba8fb7cd3c6690edf3e2a3c24269> 447 447 (daemon) (idle)
webbookmarksd <d241794687e23138a14c7a5ad4371181> 651 651 (daemon) (idle)
itunesstored <be14ada6a4d836f0aac6cf104f600c64> 2325 2325 (daemon) (idle)
networkd_privile <20292830d8d53949b82495c145d0a379> 131 131 (daemon) (idle)
softwareupdatese <1e626439b28f3e778f6a90c15b355c5d> 559 559 (daemon) (idle)
accountsd <6255c4bbbe953cc990fbeb8bc8d3ba86> 1141 1141 (daemon) (idle)
MobileMail <aed39adc22ee334c90bca672f578f1c0> 8775 8775 (continuous)
MobileSMS <afeef1d46f00323395b58b14f8803a82> 1726 1726 (background)
MobilePhone <872761e082c831a8a9090c8660347d5a> 1736 1736 (resume) (continuous)
tccd <e6dbe43518593da19ff55a9f3f15b3de> 325 325 (daemon)
kbd <47657f4dd979300a840367905786eccc> 782 782 (daemon)
My App <29f36b70932433febcb1123b2b6c534b> 151118 151118 [per-process-limit] (frontmost) (resume)
Pandora <6596910eed9532aca40f1ee3d6558334> 8775 8775 (audio) (background)
syslogd <42cd10099569364f811f66ad6f6dea46> 177 177 (daemon)
locationd <2d8cb2921fb538d4bb4aed62af98b4d2> 1988 1988 (daemon)
mediaserverd <221fa80d17503fc7aa86f1041bdcc0be> 2189 2189 (daemon)
wifid <71a35a9968a4358a8569e6de843ad1aa> 859 859 (daemon)
calaccessd <d4096f0836003ac8a5ef4cea07e382d1> 730 730 (daemon)
dataaccessd <7b294c10f04f36af8086f4ccb5606fae> 1778 1778 (daemon)
aosnotifyd <44b37f0df5c932e39b30230611981071> 737 737 (daemon)
iaptransportd <30bda0eeebb73681939e4223845ff0de> 378 378 (daemon)
SpringBoard <b0713272db793942ac49d8d3c84c2c2e> 11389 11389
backboardd <d9997ef1b2bc3015862615abf37ebb1b> 5874 5874 (daemon)
UserEventAgent <d19ebe160ed536c8b18c89f066b758a6> 943 943 (daemon)
securityd <eda98353705c34578e9b09867d3c96f6> 269 269 (daemon)
sandboxd <bbb7e05047a937159530525e2657928a> 277 277 (daemon)
syncdefaultsd <9c9a6da6f6993bb2be6ba01b851dc3e9> 698 698 (daemon)
mediaremoted <0279c54f0b2d30f6866036eea881cce1> 412 412 (daemon)
recentsd <99746b2acfdc3654881ad4fc961e2c89> 925 925 (daemon)
absinthed <a0bbaeb03c47300a9d5a7f6ce6468aab> 175 175 (daemon)
SCHelper <1ba907829bfa3e479f071e61c531331f> 227 227 (daemon)
filecoordination <44b0075fbc5b3af5b403fc3bcb6603b0> 350 350 (daemon)
distnoted <4b2b2984057b3df2a7e5c7d1d79a099b> 239 239 (daemon)
apsd <9ba45b14c44d340da1c3a41f28b46f65> 578 578 (daemon)
networkd <26c89c34e3e031fdb46bea7bed9df0ff> 324 324 (daemon)
aggregated <a2d209b4577a3697a10c288fd542e501> 126 126 (daemon)
fseventsd <b148ac55dd67325e822695755023a16e> 336 336 (daemon)
BTServer <e6eb89b2fe7b3b219a2d90e6735b166d> 424 424 (daemon)
imagent <e61401f9f6303ae189c517add142b837> 839 839 (daemon)
fairplayd.N41 <7d6161c8bf4633f7b62b9dbbd78ff990> 388 388 (daemon)
configd <d2cd8bc6ed643fa69392c80fc416cd8b> 795 795 (daemon)
lockdownd <f960236277c33ac78488eeea78661347> 333 333 (daemon)
powerd <fde6e83ab5f63bfeb5313e4cd86b25cc> 276 276 (daemon)
mDNSResponder <b9aedd3c47f43627af9b55c3d0844f16> 479 479 (daemon)
CommCenter <3fbedab9761b3733a3fc0cd58ab00055> 1702 1702 (daemon)
notifyd <bbd1f04dd7163c93bc9eb6e5a7b14ab7> 231 231 (daemon)
ReportCrash <3f296f612faa36d687fb3bb40a4648eb> 355 355 (daemon)
**End**
Random and frequent app crashes in mobile devices usually denote a memory issue like when the device is running low on storage. Other performance issues including symptoms of sluggishness, unresponsiveness and random restarts are also likely to transpire in this case.
Reinstall the Apps If Apps Keep Crashing on iOS 15/16 You will need to download the latest version of your app from iTunes or App Store. Press and hold the app that you need to remove and tap the 'x' icon. Tap the prompt on the screen for the deletion of the installed app.
Well, MyApp has got 151118 resident pages of memory, which is about 590 MB (a page under iOS is 4 KB). So that's far too much memory. Try running with the allocations tool in Instruments and see where your memory is going.
Edit, to actually answer the question: The system is killing your app because it's using too much memory. To fix the crash you need to reduce your memory usage (in this case quite drastically). I suspect that you have a bug causing a memory usage spike because it's unlikely that your app really needs as much memory as it is apparently using according to the log you posted.
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