SDK Teardown crash

[piyushtank]

Video SDK crashes occasionally on its teardown path. The SDK Crash is often observed if Room is destroyed right after the room.disconnect() API is called. Following is a stack trace reported caused by this bug -

(lldb) bt 
* thread #1: tid = 0xb0762, 0x0000000102c77bfc libdispatch.dylib`dispatch_semaphore_signal + 4, queue = 'com.apple.main-thread', stop reason = EXC_BAD_ACCESS (code=257, address=0x10317d29f) 
frame #0: 0x0000000102c77bfc libdispatch.dylib`dispatch_semaphore_signal + 4 
frame #1: 0x00000001019c5794 TwilioVideo`twilio::signaling::RoomSignalingImpl::notifyDisconnected(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, twilio::video::TwilioError) + 144 
frame #2: 0x00000001019cf420 TwilioVideo`rtc::MethodFunctor2<twilio::signaling::RoomSignalingImpl, void (twilio::signaling::RoomSignalingImpl::*)(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, twilio::video::TwilioError), void, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, twilio::video::TwilioError>::operator()() const + 112 
frame #3: 0x0000000102c7525c libdispatch.dylib`_dispatch_call_block_and_release + 24 
frame #4: 0x0000000102c7521c libdispatch.dylib`_dispatch_client_callout + 16 
frame #5: 0x0000000102c7a284 libdispatch.dylib`_dispatch_main_queue_callback_4CF + 1200 
frame #6: 0x0000000193053f2c CoreFoundation`__CFRUNLOOP_IS_SERVICING_THE_MAIN_DISPATCH_QUEUE__ + 12
frame #7: 0x0000000193051b18 CoreFoundation`__CFRunLoopRun + 1660 
frame #8: 0x0000000192f80048 CoreFoundation`CFRunLoopRunSpecific + 444 
frame #9: 0x0000000194a06198 GraphicsServices`GSEventRunModal + 180 
frame #10: 0x0000000198f6c2fc UIKit`-[UIApplication _run] + 684 
frame #11: 0x0000000198f67034 UIKit`UIApplicationMain + 208 
* frame #12: 0x00000001000c55c0 Pacify`main + 140 at AppDelegate.swift:14 
frame #13: 0x0000000191f645b8 libdyld.dylib`start + 4

[piyushtank]

We are working on this issue and planning to release the fix by the end of this week or early next week with our 1.0.0-beta11 release.

[theprojectabot]

Excellent.

…

On Mon, Mar 13, 2017 at 5:13 PM Piyush Tank ***@***.***> wrote: We are working on this issue and planning to release the fix by the end of this week or early next week with our 1.0.0-beta11 release. — You are receiving this because you are subscribed to this thread. Reply to this email directly, view it on GitHub <#95 (comment)>, or mute the thread <https://github.com/notifications/unsubscribe-auth/AAPHSN_Z1vuzvMz4TBMnwNFwZYYsj2Slks5rlbGEgaJpZM4Mb0nr> .

[ceaglest]

We fixed this crash in 1.0.0-beta11, so workarounds should no longer be required.

https://www.twilio.com/docs/api/video/changelogs/ios#100-beta11-march-21-2017