8 Replies
      Latest reply: Oct 6, 2016 3:43 PM by 4k4 RSS
      Level 1 Level 1 (0 points)

        My opengles game app crashed randomly in iOS9 Beta2/Beta3 in iPhone6S, crashed when calling glDrawElements with 2 triangles and 4 vertices. The calling stack show the crash happened in AGXGLDriver's gpusSubmitDataBuffers. And the game runs good before iOS9.

         

        After a lot of debugging work, I can confirm that the vertex buffer and the index buffer have the good state when crash is happenning, and the OpenGLES vertex attributes have good state also. I also run the OpenGLES driver instrument and analyzer many times, and they did NOT report any errors.

         

        And it is very strange that if I add

        glMapBufferOES(GL_ELEMENT_ARRAY_BUFFER, GL_WRITE_ONLY_OES);

        glUnmapBufferOES(GL_ELEMENT_ARRAY_BUFFER);

        just before glDrawElements, the random crash is gone.

         

        So I wonder if there is a bug in OpenGLES drivers in iOS9 when drawing a lot of primitives with small index buffer.

        Any help would be appreciated.

         

        The Crash Report is below:

        Incident Identifier: 0BFE9169-B725-4E90-B347-BBAF16A1E86D

        CrashReporter Key:   3ec0005306b3e6cd462c12fdb80421bc668cf1d6

        Hardware Model:      iPhone7,1

        Process:             Soul [591]

        Path:                /private/var/mobile/Containers/Bundle/Application/B235DBD6-2410-4EBF-9955-FFE954794BD0/Soul.app/Soul

        Identifier:          com.91.game.sjmy

        Version:             2.2.0 (1)

        Code Type:           ARM-64 (Native)

        Parent Process:      launchd [1]

         

         

        Date/Time:           2015-07-13 15:28:56.56 +0800

        Launch Time:         2015-07-13 15:28:14.14 +0800

        OS Version:          iOS 9.0 (13A4293g)

        Report Version:      105

         

         

        Exception Type:  EXC_BAD_ACCESS (SIGSEGV)

        Exception Subtype: KERN_INVALID_ADDRESS at 0x0000000000000001

        Triggered by Thread:  0

         

         

        Filtered syslog:

        None found

         

         

        Thread 0 name:  Dispatch queue: com.apple.main-thread

        Thread 0 Crashed:

        0   AGXGLDriver                   0x000000018220de7c 0x1821dc000 + 204412

        1   libGPUSupportMercury.dylib     0x000000018e4f2ec0 gpusSubmitDataBuffers + 168

        2   AGXGLDriver                   0x000000018220826c glrAGXRenderVertexArray(GLDContextRec*, unsigned int, unsigned int, int, int, unsigned int, void const*, int, void const*) + 624

        3   GLEngine                       0x000000018749e364 glDrawElements_ACC_ES2Exec + 424

        4   Soul                           0x0000000100cedb40 0x1000cc000 + 12720960

        5   Soul                           0x0000000100ca9cc0 0x1000cc000 + 12442816

        6   Soul                           0x0000000100dfc680 0x1000cc000 + 13829760

        7   Soul                           0x0000000100dfbc34 0x1000cc000 + 13827124

        8   Soul                           0x00000001001d5930 0x1000cc000 + 1087792

        9   Soul                           0x0000000100a4372c 0x1000cc000 + 9926444

        10  Soul                           0x00000001005f6b64 0x1000cc000 + 5417828

        11  Soul                           0x000000010061ec68 0x1000cc000 + 5581928

        12  Soul                           0x00000001005f6b8c 0x1000cc000 + 5417868

        13  Soul                           0x000000010061ec68 0x1000cc000 + 5581928

        14  Soul                           0x00000001005f6b8c 0x1000cc000 + 5417868

        15  Soul                           0x00000001006366f4 0x1000cc000 + 5678836

        16  Soul                           0x000000010064b468 0x1000cc000 + 5764200

        17  Soul                           0x000000010064b088 0x1000cc000 + 5763208

        18  Soul                           0x00000001001925b4 0x1000cc000 + 812468

        19  QuartzCore                     0x0000000188d63800 CA::Display::DisplayLinkItem::dispatch() + 36

        20  QuartzCore                     0x0000000188d636b4 CA::Display::DisplayLink::dispatch_items(unsigned long long, unsigned long long, unsigned long long) + 420

        21  IOKit                         0x0000000185199738 IODispatchCalloutFromCFMessage + 368

        22  CoreFoundation                 0x0000000183e6ea58 __CFMachPortPerform + 176

        23  CoreFoundation                 0x0000000183e83fec __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE1_PERFORM_FUNCTION__ + 52

        24  CoreFoundation                 0x0000000183e83724 __CFRunLoopDoSource1 + 432

        25  CoreFoundation                 0x0000000183e81450 __CFRunLoopRun + 1796

        26  CoreFoundation                 0x0000000183dad7fc CFRunLoopRunSpecific + 380

        27  GraphicsServices               0x000000018ee3b16c GSEventRunModal + 176

        28  UIKit                         0x00000001895465e4 UIApplicationMain + 200

        29  Soul                           0x00000001009c0c84 0x1000cc000 + 9391236

        30  libdyld.dylib                 0x00000001990aa8b4 start + 0

         

         

        Thread 1 name:  Dispatch queue: com.apple.libdispatch-manager

        Thread 1:

        0   libsystem_kernel.dylib         0x00000001991c859c kevent_qos + 8

        1   libdispatch.dylib             0x000000019908bd60 _dispatch_mgr_invoke + 228

        2   libdispatch.dylib             0x000000019907b3c8 _dispatch_mgr_thread + 48

         

         

        Thread 2:

        0   libsystem_kernel.dylib         0x00000001991c7c0c __workq_kernreturn + 8

        1   libsystem_pthread.dylib       0x0000000199289514 _pthread_wqthread + 1280

        2   libsystem_pthread.dylib       0x0000000199289004 start_wqthread + 0

         

         

        Thread 3:

        0   libsystem_kernel.dylib         0x00000001991c7c0c __workq_kernreturn + 8

        1   libsystem_pthread.dylib       0x0000000199289514 _pthread_wqthread + 1280

        2   libsystem_pthread.dylib       0x0000000199289004 start_wqthread + 0

         

         

        Thread 4:

        0   libsystem_kernel.dylib         0x00000001991c6fe8 __psynch_cvwait + 8

        1   libsystem_pthread.dylib       0x000000019928acd4 _pthread_cond_wait + 644

        2   Foundation                     0x0000000184dba9fc -[NSCondition wait] + 236

        3   Soul                           0x0000000100de7f74 0x1000cc000 + 13746036

        4   Soul                           0x0000000100de6edc 0x1000cc000 + 13741788

        5   Soul                           0x0000000100de6d90 0x1000cc000 + 13741456

        6   Foundation                     0x0000000184e4e670 __NSThread__start__ + 980

        7   libsystem_pthread.dylib       0x000000019928bb14 _pthread_body + 152

        8   libsystem_pthread.dylib       0x000000019928ba78 _pthread_start + 152

        9   libsystem_pthread.dylib       0x000000019928900c thread_start + 0

         

         

        Thread 5:

        0   libsystem_kernel.dylib         0x00000001991c6fe8 __psynch_cvwait + 8

        1   libsystem_pthread.dylib       0x000000019928acd4 _pthread_cond_wait + 644

        2   Foundation                     0x0000000184dba9fc -[NSCondition wait] + 236

        3   Soul                           0x0000000100de7f74 0x1000cc000 + 13746036

        4   Soul                           0x0000000100de6edc 0x1000cc000 + 13741788

        5   Soul                           0x0000000100de6d90 0x1000cc000 + 13741456

        6   Foundation                     0x0000000184e4e670 __NSThread__start__ + 980

        7   libsystem_pthread.dylib       0x000000019928bb14 _pthread_body + 152

        8   libsystem_pthread.dylib       0x000000019928ba78 _pthread_start + 152

        9   libsystem_pthread.dylib       0x000000019928900c thread_start + 0

         

         

        Thread 6 name:  com.apple.NSURLConnectionLoader

        Thread 6:

        0   libsystem_kernel.dylib         0x00000001991ac8e4 mach_msg_trap + 8

        1   libsystem_kernel.dylib         0x00000001991ac75c mach_msg + 68

        2   CoreFoundation                 0x0000000183e83478 __CFRunLoopServiceMachPort + 192

        3   CoreFoundation                 0x0000000183e81150 __CFRunLoopRun + 1028

        4   CoreFoundation                 0x0000000183dad7fc CFRunLoopRunSpecific + 380

        5   CFNetwork                     0x0000000183655aa8 +[NSURLConnection(Loader) _resourceLoadLoop:] + 408

        6   Foundation                     0x0000000184e4e670 __NSThread__start__ + 980

        7   libsystem_pthread.dylib       0x000000019928bb14 _pthread_body + 152

        8   libsystem_pthread.dylib       0x000000019928ba78 _pthread_start + 152

        9   libsystem_pthread.dylib       0x000000019928900c thread_start + 0

         

         

        Thread 7 name:  AVAudioSession Notify Thread

        Thread 7:

        0   libsystem_kernel.dylib         0x00000001991ac8e4 mach_msg_trap + 8

        1   libsystem_kernel.dylib         0x00000001991ac75c mach_msg + 68

        2   CoreFoundation                 0x0000000183e83478 __CFRunLoopServiceMachPort + 192

        3   CoreFoundation                 0x0000000183e81150 __CFRunLoopRun + 1028

        4   CoreFoundation                 0x0000000183dad7fc CFRunLoopRunSpecific + 380

        5   libAVFAudio.dylib             0x000000018247f678 GenericRunLoopThread::Entry(void*) + 160

        6   libAVFAudio.dylib             0x000000018244c050 CAPThread::Entry(CAPThread*) + 80

        7   libsystem_pthread.dylib       0x000000019928bb14 _pthread_body + 152

        8   libsystem_pthread.dylib       0x000000019928ba78 _pthread_start + 152

        9   libsystem_pthread.dylib       0x000000019928900c thread_start + 0

         

         

        Thread 8 name:  AURemoteIO::IOThread

        Thread 8:

        0   libsystem_kernel.dylib         0x00000001991ac8e4 mach_msg_trap + 8

        1   libsystem_kernel.dylib         0x00000001991ac75c mach_msg + 68

        2   AudioToolbox                   0x00000001830f4384 AURemoteIO::IOThread::Run() + 176

        3   AudioToolbox                   0x00000001830f840c AURemoteIO::IOThread::Entry(void*) + 8

        4   AudioToolbox                   0x0000000182ff3ccc CAPThread::Entry(CAPThread*) + 120

        5   libsystem_pthread.dylib       0x000000019928bb14 _pthread_body + 152

        6   libsystem_pthread.dylib       0x000000019928ba78 _pthread_start + 152

        7   libsystem_pthread.dylib       0x000000019928900c thread_start + 0

         

         

        Thread 9 name:  com.apple.CFSocket.private

        Thread 9:

        0   libsystem_kernel.dylib         0x00000001991c7408 __select + 8

        1   CoreFoundation                 0x0000000183e89904 __CFSocketManager + 644

        2   libsystem_pthread.dylib       0x000000019928bb14 _pthread_body + 152

        3   libsystem_pthread.dylib       0x000000019928ba78 _pthread_start + 152

        4   libsystem_pthread.dylib       0x000000019928900c thread_start + 0

         

         

        Thread 10:

        0   libsystem_kernel.dylib         0x00000001991ac8e4 mach_msg_trap + 8

        1   libsystem_kernel.dylib         0x00000001991ac75c mach_msg + 68

        2   CoreFoundation                 0x0000000183e83478 __CFRunLoopServiceMachPort + 192

        3   CoreFoundation                 0x0000000183e81150 __CFRunLoopRun + 1028

        4   CoreFoundation                 0x0000000183dad7fc CFRunLoopRunSpecific + 380

        5   CoreFoundation                 0x0000000183dfcfe0 CFRunLoopRun + 108

        6   Soul                           0x0000000100c29930 0x1000cc000 + 11917616

        7   Foundation                     0x0000000184e4e670 __NSThread__start__ + 980

        8   libsystem_pthread.dylib       0x000000019928bb14 _pthread_body + 152

        9   libsystem_pthread.dylib       0x000000019928ba78 _pthread_start + 152

        10  libsystem_pthread.dylib       0x000000019928900c thread_start + 0

         

         

        Thread 11 name:  com.apple.coreaudio.AQClient

        Thread 11:

        0   libsystem_kernel.dylib         0x00000001991ac8e4 mach_msg_trap + 8

        1   libsystem_kernel.dylib         0x00000001991ac75c mach_msg + 68

        2   CoreFoundation                 0x0000000183e83478 __CFRunLoopServiceMachPort + 192

        3   CoreFoundation                 0x0000000183e81150 __CFRunLoopRun + 1028

        4   CoreFoundation                 0x0000000183dad7fc CFRunLoopRunSpecific + 380

        5   AudioToolbox                   0x000000018300375c GenericRunLoopThread::Entry(void*) + 160

        6   AudioToolbox                   0x0000000182ff3ccc CAPThread::Entry(CAPThread*) + 120

        7   libsystem_pthread.dylib       0x000000019928bb14 _pthread_body + 152

        8   libsystem_pthread.dylib       0x000000019928ba78 _pthread_start + 152

        9   libsystem_pthread.dylib       0x000000019928900c thread_start + 0

         

         

        Thread 12:

        0   libsystem_kernel.dylib         0x00000001991c7c0c __workq_kernreturn + 8

        1   libsystem_pthread.dylib       0x0000000199289514 _pthread_wqthread + 1280

        2   libsystem_pthread.dylib       0x0000000199289004 start_wqthread + 0

         

         

        Thread 0 crashed with ARM Thread State (64-bit):

            x0: 0x0000000000000000   x1: 0x0000c10000594ec3   x2: 0x0000000000000000   x3: 0x0000000000001030

            x4: 0x000000000000b12f   x5: 0x0000000000000000   x6: 0x0000000000000000   x7: 0x0000000000000000

            x8: 0x0000000000000001   x9: 0x00000000deadbeef  x10: 0x0000000000000000  x11: 0x0000001200000000

           x12: 0x0000000102552028  x13: 0x0000000000000000  x14: 0x0000000000000001  x15: 0x0000000000000000

           x16: 0x00000001990a0044  x17: 0x0000000000000002  x18: 0x0000000000000000  x19: 0x000000012e800000

           x20: 0x0000000000000000  x21: 0x000000012e80085c  x22: 0x0000000000000004  x23: 0x0000000000000000

           x24: 0x0000000000001403  x25: 0x0000000000000000  x26: 0x0000000000000001  x27: 0x0000000000000001

           x28: 0x0000000000000000  fp: 0x000000016fd2fcc0   lr: 0x000000018220d9d4

            sp: 0x000000016fd2fc30   pc: 0x000000018220de7c cpsr: 0x80000000

         

         

        Binary Images:

        0x1000cc000 - 0x100fdffff Soul arm64  <895653d9a74c3f8eb3de7d9601227184> /var/mobile/Containers/Bundle/Application/B235DBD6-2410-4EBF-9955-FFE954794BD0/Soul.app/Soul

        0x1200c0000 - 0x1200ebfff dyld arm64  <62726a9fd65b3da2822b453737aea1bd> /usr/lib/dyld

        0x1821dc000 - 0x182280fff AGXGLDriver arm64  <7d33c5f2a2f736cca7c886a0c2d3c22a> /System/Library/Extensions/AGXGLDriver.bundle/AGXGLDriver

        0x18229c000 - 0x18242dfff AVFoundation arm64  <4391a46630fb378a96d5ac5f85de4fbe> /System/Library/Frameworks/AVFoundation.framework/AVFoundation

        0x182430000 - 0x1824bdfff libAVFAudio.dylib arm64  <d91df642e3ae351b9977f12f720d9c4f> /System/Library/Frameworks/AVFoundation.framework/libAVFAudio.dylib

        0x182508000 - 0x182508fff Accelerate arm64  <5e2da22fb8463020884d80f7f158e062> /System/Library/Frameworks/Accelerate.framework/Accelerate

        0x182520000 - 0x18277cfff vImage arm64  <b40ac8aee0fd3f149e06cdda6b0d070f> /System/Library/Frameworks/Accelerate.framework/Frameworks/vImage.framework/vImage

        0x182780000 - 0x18282afff libBLAS.dylib arm64  <0ea2a5649b3a37d6ba0e813f47047534> /System/Library/Frameworks/Accelerate.framework/Frameworks/vecLib.framework/libBLAS.dylib

        0x18282c000 - 0x182b91fff libLAPACK.dylib arm64  <a11e5fbeeb413ef0ababe0df5a848992> /System/Library/Frameworks/Accelerate.framework/Frameworks/vecLib.framework/libLAPACK.dylib

        0x182b94000 - 0x182ba8fff libLinearAlgebra.dylib arm64  <8f08246dac6634dd9e88ef49615f2d1c> /System/Library/Frameworks/Accelerate.framework/Frameworks/vecLib.framework/libLinearAlgebra.dylib

        0x182bac000 - 0x182bbbfff libSparseBLAS.dylib arm64  <90d5aa7ba4173659b4955c6c9cbddaae> /System/Library/Frameworks/Accelerate.framework/Frameworks/vecLib.framework/libSparseBLAS.dylib

        0x182bbc000 - 0x182c28fff libvDSP.dylib arm64  <279863aeba87314eab6d0580f7eeb985> /System/Library/Frameworks/Accelerate.framework/Frameworks/vecLib.framework/libvDSP.dylib

        0x182c2c000 - 0x182c4efff libvMisc.dylib arm64  <dbc54ee397a73c75a41974a867a75b65> /System/Library/Frameworks/Accelerate.framework/Frameworks/vecLib.framework/libvMisc.dylib

        0x182c50000 - 0x182c50fff vecLib arm64  <c1cadf369e3334878fc084731324d3a7> /System/Library/Frameworks/Accelerate.framework/Frameworks/vecLib.framework/vecLib

        0x182c54000 - 0x182c87fff Accounts arm64  <ba7d9d0a575439ebb03997c3f9000d1c> /System/Library/Frameworks/Accounts.framework/Accounts

        0x182c88000 - 0x182c88fff AdSupport arm64  <ec999b3d4da130659be85f822c67aab3> /System/Library/Frameworks/AdSupport.framework/AdSupport

        0x182c8c000 - 0x182d05fff AddressBook arm64  <e14281620b413905863166ff164bd6a6> /System/Library/Frameworks/AddressBook.framework/AddressBook

        0x182d08000 - 0x182ddefff AddressBookUI arm64  <7b8b9bab012c32458a0090e98a3b5183> /System/Library/Frameworks/AddressBookUI.framework/AddressBookUI

        0x182de0000 - 0x182df3fff AssetsLibrary arm64  <b3f875881a0e3ed6bf11bce17cf22857> /System/Library/Frameworks/AssetsLibrary.framework/AssetsLibrary

        0x182df4000 - 0x182fc3fff AudioCodecs arm64  <537937f12dcb328b9c30386d70cdb54b> /System/Library/Frameworks/AudioToolbox.framework/AudioCodecs

        0x182fc4000 - 0x183333fff AudioToolbox arm64  <d2586e7b2560390689b8348c1f2afd69> /System/Library/Frameworks/AudioToolbox.framework/AudioToolbox

        0x1835a8000 - 0x18382cfff CFNetwork arm64  <422835ec97bf3e8e8158a6813ca178a8> /System/Library/Frameworks/CFNetwork.framework/CFNetwork

        0x183830000 - 0x1838defff CloudKit arm64  <d35f6b3855653650a8d4d3790439030b> /System/Library/Frameworks/CloudKit.framework/CloudKit

        0x1838e0000 - 0x183961fff Contacts arm64  <5cb90de1607832d19e9bef5925aa7863> /System/Library/Frameworks/Contacts.framework/Contacts

        0x183964000 - 0x183a43fff ContactsUI arm64  <f7742d884b15384e82a3fe55adaa3d84> /System/Library/Frameworks/ContactsUI.framework/ContactsUI

        0x183a44000 - 0x183b03fff CoreAudio arm64  <7b8daac5aaec3a9991ab9748c854900a> /System/Library/Frameworks/CoreAudio.framework/CoreAudio

        0x183b1c000 - 0x183b3dfff CoreBluetooth arm64  <516561cddd2636429ceb7eca986a764e> /System/Library/Frameworks/CoreBluetooth.framework/CoreBluetooth

        0x183b40000 - 0x183da0fff CoreData arm64  <d1b92b89d8ab30769b6a088aa1cf0b84> /System/Library/Frameworks/CoreData.framework/CoreData

        0x183da4000 - 0x18411efff CoreFoundation arm64  <12802d2e8cc3396587c0710f70fd1c1e> /System/Library/Frameworks/CoreFoundation.framework/CoreFoundation

        0x184120000 - 0x184289fff CoreGraphics arm64  <8ac96cf7a50f3d35b96282c4e107a6ba> /System/Library/Frameworks/CoreGraphics.framework/CoreGraphics

        0x184294000 - 0x184296fff libCGXType.A.dylib arm64  <f84cab55d1fb3081a9c2c5dc0d255b9f> /System/Library/Frameworks/CoreGraphics.framework/Resources/libCGXType.A.dylib

        0x18448c000 - 0x1844aafff libRIP.A.dylib arm64  <359537a090593a78a76725dff0d7aee2> /System/Library/Frameworks/CoreGraphics.framework/Resources/libRIP.A.dylib

        0x1844ac000 - 0x184630fff CoreImage arm64  <07ee0e884342380a9c9170751eb11c7a> /System/Library/Frameworks/CoreImage.framework/CoreImage

        0x184634000 - 0x18469afff CoreLocation arm64  <2c71e9a9c90a35b5a0c041095e38968e> /System/Library/Frameworks/CoreLocation.framework/CoreLocation

        0x1846d4000 - 0x184833fff CoreMedia arm64  <e5b67aa4565a3b1689ea375bcc5d8066> /System/Library/Frameworks/CoreMedia.framework/CoreMedia

        0x184834000 - 0x184939fff CoreMotion arm64  <bfa2c015af943714a53955e467335110> /System/Library/Frameworks/CoreMotion.framework/CoreMotion

        0x18493c000 - 0x18496dfff CoreSpotlight arm64  <cd81f790e41e3b10b946b94b54b2e275> /System/Library/Frameworks/CoreSpotlight.framework/CoreSpotlight

        0x184970000 - 0x1849e0fff CoreTelephony arm64  <2a6c4de5aadc344b949421b085bed618> /System/Library/Frameworks/CoreTelephony.framework/CoreTelephony

        0x1849e4000 - 0x184b0dfff CoreText arm64  <85bb9b54440d351ab6fb3457dd3a0b56> /System/Library/Frameworks/CoreText.framework/CoreText

        0x184b10000 - 0x184b30fff CoreVideo arm64  <00d7228e2517302687115cc930ba3880> /System/Library/Frameworks/CoreVideo.framework/CoreVideo

        0x184b34000 - 0x184bc1fff EventKit arm64  <035c32e12ee33a6c8637a1e51038f58c> /System/Library/Frameworks/EventKit.framework/EventKit

        0x184bc4000 - 0x184d44fff EventKitUI arm64  <0cc69eafdc773ac1a746e23605ca3f5c> /System/Library/Frameworks/EventKitUI.framework/EventKitUI

        0x184d5c000 - 0x184fc4fff Foundation arm64  <64662fa136813d75b4bc6934c750b352> /System/Library/Frameworks/Foundation.framework/Foundation

        0x184fc8000 - 0x184ff5fff GLKit arm64  <629b070cc5aa3096968d620f573bf342> /System/Library/Frameworks/GLKit.framework/GLKit

        0x184ff8000 - 0x185021fff GSS arm64  <02b7c2d093aa351b92858038f4f0ccb9> /System/Library/Frameworks/GSS.framework/GSS

        0x185064000 - 0x1850effff HealthKit arm64  <80e021d35a2433138053ea5f8b98b77c> /System/Library/Frameworks/HealthKit.framework/HealthKit

        0x185194000 - 0x185202fff IOKit arm64  <5370e2490c153e62a8a228dc7c593af7> /System/Library/Frameworks/IOKit.framework/Versions/A/IOKit

        0x185204000 - 0x185524fff ImageIO arm64  <34d9b4defe0d3acf9222fc634d4b596a> /System/Library/Frameworks/ImageIO.framework/ImageIO

        0x185528000 - 0x185b0bfff JavaScriptCore arm64  <a44eaa65c5bd3106a564dd6ac0ca9f8e> /System/Library/Frameworks/JavaScriptCore.framework/JavaScriptCore

        0x1862f4000 - 0x1862fffff LocalAuthentication arm64  <7262fcf84a91370a8485776fa92466c8> /System/Library/Frameworks/LocalAuthentication.framework/LocalAuthentication

        0x186300000 - 0x186317fff SharedUtils arm64  <cfb71a75b46b358f94ad5c70e7bc63ec> /System/Library/Frameworks/LocalAuthentication.framework/Support/SharedUtils.framework/SharedUtils

        0x186318000 - 0x186482fff MapKit arm64  <fe610dd927cf30c39e75b377e31b4356> /System/Library/Frameworks/MapKit.framework/MapKit

        0x186484000 - 0x18648afff MediaAccessibility arm64  <d830e24a1f893370bc9066057db653d1> /System/Library/Frameworks/MediaAccessibility.framework/MediaAccessibility

        0x18648c000 - 0x1866e6fff MediaPlayer arm64  <0c8cac1dd37b3792abb11a39c822dc3a> /System/Library/Frameworks/MediaPlayer.framework/MediaPlayer

        0x1866e8000 - 0x186c49fff MediaToolbox arm64  <2ae11acd1ee73a9e85fe14c6f9f678dd> /System/Library/Frameworks/MediaToolbox.framework/MediaToolbox

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        0x1906c4000 - 0x1906d4fff MobileKeyBag arm64  <288853ea40283906b25ad015cee2ada4> /System/Library/PrivateFrameworks/MobileKeyBag.framework/MobileKeyBag

        0x1906e4000 - 0x190805fff MobileSpotlightIndex arm64  <2fbaa97f87ff34fcb9813f382c30c38c> /System/Library/PrivateFrameworks/MobileSpotlightIndex.framework/MobileSpotlightIndex

        0x190838000 - 0x19083bfff MobileSystemServices arm64  <1a3ce18fcc2631ff8d152783cd7e1180> /System/Library/PrivateFrameworks/MobileSystemServices.framework/MobileSystemServices

        0x19086c000 - 0x19087efff MobileWiFi arm64  <7a5545076055308fbfc57f7e738608a1> /System/Library/PrivateFrameworks/MobileWiFi.framework/MobileWiFi

        0x1908dc000 - 0x190b1ffff MusicLibrary arm64  <7c4f8646493e3b5582c1c053d2c818a9> /System/Library/PrivateFrameworks/MusicLibrary.framework/MusicLibrary

        0x190c80000 - 0x190c8efff NanoPreferencesSync arm64  <dedf850d6174387e9d227e8b58c1ae20> /System/Library/PrivateFrameworks/NanoPreferencesSync.framework/NanoPreferencesSync

        0x190c90000 - 0x190cabfff NanoRegistry arm64  <6631d126b3cd343fa2038a15acfba1b9> /System/Library/PrivateFrameworks/NanoRegistry.framework/NanoRegistry

        0x190cfc000 - 0x190d02fff Netrb arm64  <29593aa214b93255998698df514ce6e2> /System/Library/PrivateFrameworks/Netrb.framework/Netrb

        0x190d28000 - 0x190d41fff NetworkStatistics arm64  <6a769952b56e307fa55ba798607d04da> /System/Library/PrivateFrameworks/NetworkStatistics.framework/NetworkStatistics

        0x190d44000 - 0x190d5dfff Notes arm64  <56da2faca12e3662a362ccec42fe08be> /System/Library/PrivateFrameworks/Notes.framework/Notes

        0x190ec8000 - 0x190ed2fff NotificationsUI arm64  <6626e173c1d139578924c33bb42ba78d> /System/Library/PrivateFrameworks/NotificationsUI.framework/NotificationsUI

        0x190ed4000 - 0x190ed6fff OAuth arm64  <7963b623f2ab3ca6af1054ae407e652f> /System/Library/PrivateFrameworks/OAuth.framework/OAuth

        0x191828000 - 0x19182bfff ParsecSubscriptionServiceSupport arm64  <060e83b58bc23e669ffcbfe3cfaeaded> /System/Library/PrivateFrameworks/ParsecSubscriptionServiceSupport.framework/ParsecSubscriptionServiceSupport

        0x191958000 - 0x19197ffff PersistentConnection arm64  <fba5eb5bf4c1302dbf6d2965ca3c10f4> /System/Library/PrivateFrameworks/PersistentConnection.framework/PersistentConnection

        0x19198c000 - 0x191a11fff PhotoEditSupport arm64  <6d85924b99de36acb3f836905bfdcb34> /System/Library/PrivateFrameworks/PhotoEditSupport.framework/PhotoEditSupport

        0x191a14000 - 0x191ad7fff PhotoLibrary arm64  <47c75d15687c31bdb0ccae053f23da73> /System/Library/PrivateFrameworks/PhotoLibrary.framework/PhotoLibrary

        0x191ad8000 - 0x191df0fff PhotoLibraryServices arm64  <11b992ab74f63c658d8cf431e09c8c34> /System/Library/PrivateFrameworks/PhotoLibraryServices.framework/PhotoLibraryServices

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        0x191e00000 - 0x191e4efff PhysicsKit arm64  <a2bc556650283205833bf72b9ced1ad1> /System/Library/PrivateFrameworks/PhysicsKit.framework/PhysicsKit

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        0x197d38000 - 0x197d97fff libTelephonyUtilDynamic.dylib arm64  <756a3e49b3d7336faecae9e7f6cad231> /usr/lib/libTelephonyUtilDynamic.dylib

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        0x1981fc000 - 0x198400fff libicucore.A.dylib arm64  <29c77b1abf3a3c3dbc04ecafd16b00a6> /usr/lib/libicucore.A.dylib

        0x198410000 - 0x198411fff liblangid.dylib arm64  <e9cdfaff10d43efcbf5b5388179cb61f> /usr/lib/liblangid.dylib

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        0x19917c000 - 0x199184fff libsystem_dnssd.dylib arm64  <3dd7f66e687937a69214a0f740f61539> /usr/lib/system/libsystem_dnssd.dylib

        0x199188000 - 0x1991a9fff libsystem_info.dylib arm64  <5ecdf2aaf378370fb462fed9528c2e1a> /usr/lib/system/libsystem_info.dylib

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        0x19929c000 - 0x1992acfff libsystem_trace.dylib arm64  <03ecc0d9a8e23be887e9bc0fc70d4a01> /usr/lib/system/libsystem_trace.dylib

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        • Re: OpenGLES driver crash in iOS9 Beta2/3
          iter9_dev Level 1 Level 1 (0 points)

          I am experiencing a very similar bug in my OpenGL app with iOS 9 beta 4. In my case the call trace is nearly identical:

           

          Thread 1Queue : com.apple.main-thread (serial)

          #0 0x000000018ca0df28 in gpus_ReturnGuiltyForHardwareRestart ()

          #1 0x000000018ca0eec4 in gpusSubmitDataBuffers ()

          #2 0x0000000185b72254 in gliPresentViewES_Exec ()

          #3 0x0000000185b7216c in gliPresentViewES ()

          #4 0x0000000185b7fcbc in -[EAGLContext presentRenderbuffer:] ()

           

          When I tried your workaround of glMapBufferOES, glUnmapBufferOES, performance drops significantly, and it takes longer for the crash to occur, but it still eventually does. Still looking for a workaround or fix.

          • Re: OpenGLES driver crash in iOS9 Beta2/3
            starbird1975 Level 1 Level 1 (0 points)

            We experience the same problem with any iOS 9.x so far. Our software was released before iOS 9.x came out

            and many users that upgraded to iOS 9.x reported that our software has become very unstable. The crashes

            occur randomly. So far only iOS 9.x was affected, we have not seen these crash logs for iOS 8.x. Most devices

            seem to be 1GB devices, but we have seen the crash happen for 2GB devices as well.


            The relevent crash log portion looks virtually identical to the one posted by the OP:

             

            Thread 0 name:

            Thread 0 Crashed:

            0   AGXGLDriver                         0x0000000180b42db8 agxuKillClientContextStateError() + 12 (agxu_kill_client.cpp:13)

            1   libGPUSupportMercury.dylib          0x000000018ce06ec4 gpusSubmitDataBuffers + 172 (gpui_context.c:602)

            2   AGXGLDriver                         0x0000000180b30db0 glrAGXRenderVertexArray(GLDContextRec*, unsigned int, unsigned int, int, int, unsigned int, void const*, int, void const*) + 628 (agxu_vertex_array.cpp:271)

            3   GLEngine                            0x0000000185bdaf34 glDrawElements_ACC_ES2Exec + 428 (gl_vertex_array_draw.c:154)

             

            I have managed to have a look at the disassembly of gpusSubmitDataBuffers. The function call at gpusSubmitDataBuffers + 168

            leads to a small function:

             

            IOAccelerator`IOAccelResourceGetDataSize:

            ->  0x2e37b284 <+0>: ldr    r0, [r0, #0x14]

                0x2e37b286 <+2>: bx     lr

             

            The crash log indicates that the incoming parameter is NULL when the crash happens. Presumably there is some exception

            handling involved which generates the top line in the call stack.

             

            The incoming parameter is identical to the return parameter of the following function:

             

            IOAccelerator`IOAccelContextGetDataBufferResource:

            ->  0x2e37a52c <+0>:  ldr    r2, [r0, #0x54]

                0x2e37a52e <+2>:  cmp    r2, r1

                0x2e37a530 <+4>:  itee   ls

                0x2e37a532 <+6>:  movls  r0, #0x0

                0x2e37a534 <+8>:  addhi.w r0, r0, r1, lsl #2

                0x2e37a538 <+12>: ldrhi  r0, [r0, #0x10]

                0x2e37a53a <+14>: bx     lr

             

            If the CPU takes the ls branch, then a crash will happen. Unfortunately the other diassembled code pieces suggested

            to me that this should never happen. The other possibility could be that the incoming parameter to this function is NULL.

            At this point I had to stop because it seemed fruitless to continue digging.

             

            The whole issue is a big problem for us because our application is being rated negative due to the crash issue. Any

            solution/work around to the problem will be highly appreciated.

              • Re: OpenGLES driver crash in iOS9 Beta2/3
                deeeds Level 2 Level 2 (30 points)

                This is some truly next level debugging.

                 

                I have nothing much to offer, other than an obervation.

                 

                The OP mentions: "So I wonder if there is a bug in OpenGLES drivers in iOS9 when drawing a lot of primitives with small index buffer."

                 

                This instantly reminded me of something I'd seen about SKShapeNodes with a lot of segments causing an OpenGLES crash.

                 

                Search StackOverflow for the following (sorry, no link because moderation takes days):

                 

                SO search = spritekit uikit compatibility opengl error swift

                 

                That should give you one result.

                 

                Sorry I can't help other than to offer commiseration and note that it's truly unbelievable this hasn't been looked at and commented on by someone from Apple.

                 

                Seems a genuine issue for the OP, and after your searching, hard to imagine it's not at Apple's end.

                • Re: OpenGLES driver crash in iOS9 Beta2/3
                  starbird1975 Level 1 Level 1 (0 points)

                  We have been able to analyze our issue by further reverse engineering. Please note that our findings do not apply to all crashes which revolve around gpusSubmitDataBuffers. In our case it turned out that there is a bug in the OpenGL ES libraries, which under certain special conditions results in a submission of graphics packets which is rejected by the receiving server and eventually leads to the OpenGL client being killed. For this specific type of crash only applications are affected which perform a larger number (typically >2000) of draw calls per frame. We have filed a bug report, including extensive information containing all results of our investigations, which should allow the Apple engineers to fix the problem quickly.

                   

                  Until the problem is fixed from Apple's side, the crashes can be avoided by periodic calls to glFlush(). We believe that doing this after every 1000 draw calls should be sufficient.

                    • Re: OpenGLES driver crash in iOS9 Beta2/3
                      starbird1975 Level 1 Level 1 (0 points)

                      The latest update of our application with the workaround described above went live four days ago and we can confirm that the offending crash has disappeared entirely. The previous version of our application generated >10000 of these crashes per week. We still have some crashes related to gpusSubmitDataBuffers, but these are of a different type (they end up at gpus_ReturnGuiltyForHardwareRestart) and they only happen rarely.

                        • Re: OpenGLES driver crash in iOS9 Beta2/3
                          dracko22 Level 1 Level 1 (0 points)

                          Any update from someone at Apple?

                           

                          We are in the same boat and can't do a glflush that frequently without saying goodbye to our performance. In case it adds any more detail. The app spits this out to the console after the crash.

                           

                          kernel[0] <Notice>: AGXk: agxk_gl_context.cpp:597:process_hardware_command: void AGXGLContext::process_hardware_command(IOAccelCommandStreamInfo &):  Setting fContextError to kContextStateError @ /BuildRoot/Library/Caches/com.apple.xbs/Sources/AppleEmbeddedGPUDrivers/AppleEmbeddedGPUDrivers-75.9.3/Kernel/agxk_gl_context.cpp:597

                          kernel[0] <Notice>: The graphics driver has encountered internal error 0x0, 0xffffffff.

                        • Re: OpenGLES driver crash in iOS9 Beta2/3
                          4k4 Apple Staff Apple Staff (0 points)

                          Hello starbird1975. What is the ID for the bug ticket that you filed? I'd like to check the status.