It just turned out to be a very obscure (at least for me) memory failure
Crashed: com.apple.root.default-overcommit-priority
EXC_BAD_ACCESS KERN_INVALID_ADDRESS at 0x4086ec0000000000
Thread : Crashed: com.apple.root.default-overcommit-priority
0 libsystem_platform.dylib 0x000000019587d550 OSAtomicDequeue + 16
1 libsystem_malloc.dylib 0x000000019583bfb4 nano_pressure_relief + 400
2 libsystem_malloc.dylib 0x000000019583a27c malloc_zone_pressure_relief + 208
3 libdispatch.dylib 0x00000001956ec3e0 _dispatch_client_callout + 16
Other topics do not seem to do anything interesting, most of them do nothing, but the user interface probably handled something, but after learning stacktrace, I have no idea what is going on.
Thread : com.apple.main-thread
0 CoreFoundation 0x0000000188c93330 __CFStringHash + 288
1 CoreFoundation 0x0000000188bbecb4 CFBasicHashFindBucket + 1092
2 CoreFoundation 0x0000000188bbe830 CFDictionaryGetValue + 144
3 UIKit 0x000000018bb9d904 -[UIApplication _isSpringBoard] + 48
4 UIKit 0x000000018bb9d7b8 -[UIDevice setOrientation:animated:] + 80
5 UIKit 0x000000018bb9cb18 -[UIApplication handleEvent:withNewEvent:] + 752
6 UIKit 0x000000018bb9c720 -[UIApplication sendEvent:] + 104
7 UIKit 0x000000018bc0a0b0 _UIApplicationHandleEvent + 712
8 GraphicsServices 0x000000018e5a9128 _PurpleEventCallback + 676
9 GraphicsServices 0x000000018e5a8c54 PurpleEventCallback + 48
10 CoreFoundation 0x0000000188c86fc8 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE1_PERFORM_FUNCTION__ + 56
11 CoreFoundation 0x0000000188c86f28 __CFRunLoopDoSource1 + 444
12 CoreFoundation 0x0000000188c8514c __CFRunLoopRun + 1620
13 CoreFoundation 0x0000000188bc5b38 CFRunLoopRunSpecific + 452
14 GraphicsServices 0x000000018e5a7830 GSEventRunModal + 168
15 UIKit 0x000000018bc040e8 UIApplicationMain + 1156
16 SalesBoard4 0x0000000100168644 main (main.m:16)
17 libdyld.dylib 0x0000000195707aa0 start + 4
IPad Air device iOS version 7.0.4
Please, if you know what it is or at least know how to deal with it, share your knowledge.
Thank!
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