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User profile for user: samd_tab
samd_tab Author
User level: Level 1
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backboardd crashes causing iPhone reboot

When launching the "Sun Mobile" app (https://itunes.apple.com/gb/app/the-sun-mobile/id485672520?mt=8), the device immediately restarts.


The crash logs show that it was backboardd that crashed causing the restart of the device.


The app runs fine on iPhone 5S (any OS version) or on iPhone 5 prior to iOS 7.1.


This is a serious bug! The whole device is restarted. The screen goes black and the device relaunches to the lock screen.


This is the stacktrace of the thread that crashed.


Thread 5 name: com.apple.CoreAnimation.IOMFB.primary

Thread 5 Crashed:

0 libGPUSupportMercury.dylib 0x32cc78f2 0x32cc6000 + 6386

1 libGPUSupportMercury.dylib 0x32cc83fc 0x32cc6000 + 9212

2 IMGSGX543RC2GLDriver 0x2cf4dc8e 0x2cf4b000 + 11406

3 IMGSGX543RC2GLDriver 0x2cf4db74 0x2cf4b000 + 11124

4 GLEngine 0x303c2058 0x303b3000 + 61528

5 OpenGLES 0x3048a4cc 0x30484000 + 25804

6 QuartzCore 0x306db0d2 0x30677000 + 409810

7 QuartzCore 0x30761698 0x30677000 + 960152

8 QuartzCore 0x3076624e 0x30677000 + 979534

9 QuartzCore 0x30763b94 0x30677000 + 969620

10 IOMobileFramebuffer 0x334a175a 0x3349b000 + 26458

11 IOKit 0x2eec25c6 0x2eebf000 + 13766

12 CoreFoundation 0x2e197c4a 0x2e103000 + 609354

13 CoreFoundation 0x2e1a283c 0x2e103000 + 653372

14 CoreFoundation 0x2e1a27d6 0x2e103000 + 653270

15 CoreFoundation 0x2e1a0fa2 0x2e103000 + 647074

16 CoreFoundation 0x2e10b7a4 0x2e103000 + 34724

17 CoreFoundation 0x2e14f3c6 0x2e103000 + 312262

18 QuartzCore 0x30763a0a 0x30677000 + 969226

19 QuartzCore 0x30798816 0x30677000 + 1185814

20 libsystem_pthread.dylib 0x38f88956 0x38f86000 + 10582

21 libsystem_pthread.dylib 0x38f888c6 0x38f86000 + 10438

22 libsystem_pthread.dylib 0x38f86ae4 0x38f86000 + 2788



I've filed a radar for this as it is a serious issue with the operating system.


Steps to Reproduce:

Install iOS 7.1 on iPhone 5 or older.

Download the "Sun Mobile" app (https://itunes.apple.com/gb/app/the-sun-mobile/id485672520?mt=8)

Launch the app.

iPhone 5, iOS 7.1, iPhone 5 or older

Posted on Mar 11, 2014 11:09 AM

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4 replies
User profile for user: samd_tab
samd_tab Author
User level: Level 1
0 points

Mar 12, 2014 1:52 AM in response to samd_tab

The following is logged to the console as the operating system crashes and restarts:



Mar 12 08:48:42 Sams-iPhone backboardd[193] <Error>: CoreAnimation: rendering error 502

Mar 12 08:48:42 Sams-iPhone kernel[0] <Debug>: IMGSGXResource *IMGSGXGLContext::validateBind(uint32_t, uint32_t, bool): corrupted resource flags: not read or written (obj_id=20)

Mar 12 08:48:42 Sams-iPhone ReportCrash[566] <Notice>: ReportCrash acting against PID 193

Mar 12 08:48:42 Sams-iPhone ReportCrash[566] <Notice>: Formulating crash report for process backboardd[193]

Mar 12 08:48:42 Sams-iPhone kernel[0] <Debug>: The graphics driver has encountered internal error 0x0, 0xfffffffe.

Mar 12 08:48:42 Sams-iPhone kernel[0] <Debug>: virtual void IOMobileFramebuffer::swapping_client_will_stop(IOMobileFramebufferUserClient *), AppleMobileCLCD, client (0x0xa3e9a000) going to wait on swap

Mar 12 08:48:42 Sams-iPhone kernel[0] <Debug>: virtual void IOMobileFramebuffer::swapping_client_will_stop(IOMobileFramebufferUserClient *), AppleMobileCLCD, client (0x0xa3e9a000) exiting wait on swap

Mar 12 08:48:42 Sams-iPhone CLTM[14] <Error>: CLTM: No ALS Event

Mar 12 08:48:43 Sams-iPhone imagent[57] <Warning>: [Warning] Unable to get entitlements for client task. Error: Error Domain=NSPOSIXErrorDomain Code=-1 "The operation couldn’t be completed. (POSIX error -1 - Unknown error: -1)"

Mar 12 08:48:43 Sams-iPhone imagent[57] <Warning>: [Warning] Denying xpc connection, task does not have entitlement: com.apple.private.icfcallserver (SpringBoard:194)

Mar 12 08:48:43 Sams-iPhone imagent[57] <Warning>: [Warning] Denying xpc connection, task does not have entitlement: com.apple.private.icfcallserver (SpringBoard:194)

Mar 12 08:48:43 Sams-iPhone com.apple.launchd[1] (com.apple.backboardd[193]) <Warning>: (com.apple.backboardd) Job appears to have crashed: Segmentation fault: 11

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User profile for user: aloudfart
aloudfart
User level: Level 1
0 points

Mar 12, 2014 10:44 AM in response to samd_tab

I had the same problem upon updating to 7.1 however my phone kept rebooting every 2 mins regardless if I was using it or not. I had a genius appointment at the Apple Store today and she backed up my phone to icloud then reinstalled the 7.1.


Since I have restored my phone using the icloud back up none of my photos show. It's just a grey screen that says 'loading'.


The only time my phone crashes now is if I open The Sun app. I have uninstalled and reinstalled but still no joy. There's obviously a clash between the app and the software somewhere.


Never had any problems until 7.1. Wish I never updated!

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User profile for user: katyjayne87
katyjayne87
User level: Level 1
0 points

Mar 12, 2014 2:06 PM in response to samd_tab

Hi there,


I have had this problem also, I updated to 7.1 after the update my iPhone kept restarting every few minutes, I contacted apple support via their online chat system, they told me to restore my phone and start it up as new, which I did, my phone hasn't restarted since but when I got on The Sun app it restarts, clearly some issue with the iPhone and The Sun app, I use this app regularly so pretty disappointed that this has started happening, all my other apps work fine, I've since deleted The Sun app and have told apple support about the issue so hopefully they will come up with some fix!


Never had my phone randomly restart before I updated to 7.1 and was pretty unhappy that I had to restore and start my phone from new, meaning I lost all my messages!! I have managed to get my photos, notes and contacts back through my iCloud, but would have preferred if I didn't have to restore it at all!

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backboardd crashes causing iPhone reboot

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