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[Linphone-users] iOS background mode cause a crash (after reboot automat

From: Albrecht Andrzejewski
Subject: [Linphone-users] iOS background mode cause a crash (after reboot automatic relauch)
Date: Fri, 24 Jun 2011 11:02:42 +0200

Hello everyone,

I've have been experimenting some backgrounding features with the phone sample 
code app.
This works great in background mode including local notification alert.
But if you reboot the iphone (shutdown and then restart) the app sort of 
crashed because of a Badfood, meaning it takes more than 10 s to relaunch 

After the restart, the linphone app is visible on the application bar on the 
springboard. So I expected it to show me a local notification if i send a call 
(this is the viber behavior).
However when i tried to call the iphone, i had no notification at all allowing 
me to answer.  Moreover, i tried next to click on the app icon, the app user 
interface was correctly started but saying the network was not reachable, but 
it WERE reachable by other apps. This was obviously not a wifi problem.

Is it a known bug ? Does anyone has a suggestion about how to fix this ?

Here are the crash details : 
OS Version:      iPhone OS 4.2.1 (8C148a)
Report Version:  104

Exception Type:  00000020
Exception Codes: 0x8badf00d
Highlighted Thread:  3

Application Specific Information:
linphone[61] has active assertions beyond permitted time: 
   <SBProcessAssertion: 0x249450> identifier: Suspending process: linphone[61] 
permittedBackgroundDuration: 10.000000 reason: suspend owner pid:26 
preventSuspend  preventThrottleDownCPU  preventThrottleDownUI 

Elapsed total CPU time (seconds): 4.310 (user 2.760, system 1.550), 43% CPU 
Elapsed application CPU time (seconds): 0.030, 0% CPU

Thread 0:
0   libSystem.B.dylib                   0x31166268 mach_msg_trap + 20
1   libSystem.B.dylib                   0x31168354 mach_msg + 44
2   CoreFoundation                      0x31458648 __CFRunLoopServiceMachPort + 
3   CoreFoundation                      0x31457ed2 __CFRunLoopRun + 350
4   CoreFoundation                      0x31457c80 CFRunLoopRunSpecific + 224
5   CoreFoundation                      0x31457b88 CFRunLoopRunInMode + 52
6   GraphicsServices                    0x35d664a4 GSEventRunModal + 108
7   GraphicsServices                    0x35d66550 GSEventRun + 56
8   UIKit                               0x338d5322 -[UIApplication _run] + 406
9   UIKit                               0x338d2e8c UIApplicationMain + 664
10  linphone                            0x00002fec main (main.m:27)
11  linphone                            0x00002fa0 start + 32
Albrecht Andrzejewski

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