Github/Akavache is causing Visual Studio to hang

[jcansdale]

• GitHub Extension for Visual Studio version: 2.2.0.10, 2.3.3.38, and 2.3.6.391
• Visual Studio version: 2017?

From Stephanie Su @ MS:

We’re getting some high hitting bugs where the Github extension is causing Visual Studio to hang—the culprit being Akavache.Sqlite3.dll.

Here’s the call stack that we have:

50  Id: 5214.4c98 Suspend: 1 Teb: 0130a000 Unfrozen
# ChildEBP RetAddr 
00 2c86e7ec 73e612a3 ntdll!NtWaitForMultipleObjects+0xc [minkernel\ntdll\wow6432\objfre\i386\usrstubs.asm @ 825]
01 2c86e980 7331b3be KERNELBASE!WaitForMultipleObjectsEx+0x103 [minkernel\kernelbase\synch.c @ 1551]
02 2c86e9d0 7331b0fe clr!WaitForMultipleObjectsEx_SO_TOLERANT+0x3c [f:\dd\ndp\clr\src\vm\threads.cpp @ 4292]
03 (Inline) -------- clr!Thread::DoAppropriateAptStateWait+0x35 [f:\dd\ndp\clr\src\vm\threads.cpp @ 4326]
04 2c86ea5c 7331b1ef clr!Thread::DoAppropriateWaitWorker+0x237 [f:\dd\ndp\clr\src\vm\threads.cpp @ 4466]
05 2c86eac8 7331b364 clr!Thread::DoAppropriateWait+0x64 [f:\dd\ndp\clr\src\vm\threads.cpp @ 4133]
06 2c86eb14 7321e7b2 clr!CLREventBase::WaitEx+0x128 [f:\dd\ndp\clr\src\vm\synch.cpp @ 753]
07 2c86eb2c 73350e30 clr!CLREventBase::Wait+0x1a [f:\dd\ndp\clr\src\vm\synch.cpp @ 674]
08 (Inline) -------- clr!Thread::Wait+0x17 [f:\dd\ndp\clr\src\vm\threads.cpp @ 4951]
09 2c86eb40 73350f6a clr!Thread::Block+0x25 [f:\dd\ndp\clr\src\vm\threads.cpp @ 4908]
0a 2c86ebf0 7335104a clr!SyncBlock::Wait+0x189 [f:\dd\ndp\clr\src\vm\syncblk.cpp @ 3564]
0b (Inline) -------- clr!ObjHeader::Wait+0x24 [f:\dd\ndp\clr\src\vm\syncblk.cpp @ 2743]
0c (Inline) -------- clr!Object::Wait+0x24 [f:\dd\ndp\clr\src\vm\object.h @ 541]
0d 2c86ec94 6facc243 clr!ObjectNative::WaitTimeout+0xcb [f:\dd\ndp\clr\src\classlibnative\bcltype\objectnative.cpp @ 315]
0e 2c86eca4 6fb5c9f4 mscorlib_ni!System.Threading.Monitor.Wait(System.Object, Int32, Boolean)+0x17 [f:\dd\ndp\clr\src\BCL\system\threadingmonitor.cs @ 203]
0f 2c86ecfc 6fadcb26 mscorlib_ni!System.Threading.Monitor.Wait(System.Object, Int32)+0xc [f:\dd\ndp\clr\src\BCL\system\threading\monitor.cs  213]
10 2c86ecfc 2c61a1e4 mscorlib_ni!System.Threading.ManualResetEventSlim.Wait(Int32, System.Threading.CancellationToken)+0x26a [f:\dd\ndp\clr\src\BCL\system\threading\ManualResetEventSlim.cs @ 521]
11 2c86ed28 2c619d2e 0x2c61a1e4
12 2c86edac 2c618f7b Akavache_Sqlite3!Unknown+0x196
13 2c86ee00 2c618dd8 0x2c618f7b
14 2c86ee44 6fad7448 Akavache_Sqlite3!Unknown+0x40
15 2c86ee50 6fad6ff0 mscorlib_ni!System.Threading.Tasks.Task.InnerInvoke()+0x28 [f:\dd\ndp\clr\src\BCL\system\threading\Tasks\Task.cs @ 2884]
16 2c86ee74 6fad741a mscorlib_ni!System.Threading.Tasks.Task.Execute()+0x30 [f:\dd\ndp\clr\src\BCL\system\threading\Tasks\Task.cs @ 2498]
17 2c86eedc 6fb4bda5 mscorlib_ni!System.Threading.Tasks.Task.ExecutionContextCallback(System.Object)+0x1a [f:\dd\ndp\clr\src\BCL\system\threading\Tasks\Task.cs @ 2861]
18 2c86eedc 6fb4bcb6 mscorlib_ni!System.Threading.ExecutionContext.RunInternal(System.Threading.ExecutionContext, System.Threading.ContextCallback, System.Object, Boolean)+0xe5 [f:\dd\ndp\clr\src\BCL\system\threading\executioncontext.cs @ 954]
19 2c86eef0 6fad7298 mscorlib_ni!System.Threading.ExecutionContext.Run(System.Threading.ExecutionContext, System.Threading.ContextCallback, System.Object, Boolean)+0x16 [f:\dd\ndp\clr\src\BCL\system\threading\executioncontext.cs @ 902]
1a 2c86ef5c 6fad716d mscorlib_ni!System.Threading.Tasks.Task.ExecuteWithThreadLocal(System.Threading.Tasks.Task ByRef)+0xd8 [f:\dd\ndp\clr\src\BCL\system\threading\Tasks\Task.cs @ 2827]
1b 2c86ef6c 6fae675c mscorlib_ni!System.Threading.Tasks.Task.ExecuteEntry(Boolean)+0x7d [f:\dd\ndp\clr\src\BCL\system\threading\Tasks\Task.cs @ 2767]
1c 2c86ef7c 6facc1ff mscorlib_ni!System.Threading.Tasks.ThreadPoolTaskScheduler.LongRunningThreadWork(System.Object)+0x1c [f:\dd\ndp\clr\src\BCL\system\threading\Tasks\ThreadPoolTaskScheduler.cs @ 49]
1d 2c86ef7c 6fb4bda5 mscorlib_ni!System.Threading.ThreadHelper.ThreadStart_Context(System.Object)+0x73 [f:\dd\ndp\clr\src\BCL\system\threading\thread.cs @ 74]
1e 2c86efe0 6fb4bcb6 mscorlib_ni!System.Threading.ExecutionContext.RunInternal(System.Threading.ExecutionContext, System.Threading.ContextCallback, System.Object, Boolean)+0xe5 [f:\dd\ndp\clr\src\BCL\system\threading\executioncontext.cs @ 954]
1f 2c86eff4 6fb4bc71 mscorlib_ni!System.Threading.ExecutionContext.Run(System.Threading.ExecutionContext, System.Threading.ContextCallback, System.Object, Boolean)+0x16 [f:\dd\ndp\clr\src\BCL\system\threading\executioncontext.cs @ 902]
20 2c86f010 6fae484e mscorlib_ni!System.Threading.ExecutionContext.Run(System.Threading.ExecutionContext, System.Threading.ContextCallback, System.Object)+0x41 [f:\dd\ndp\clr\src\BCL\system\threading\executioncontext.cs @ 891]
21 2c86f028 7320eb16 mscorlib_ni!System.Threading.ThreadHelper.ThreadStart(System.Object)+0x4e [f:\dd\ndp\clr\src\BCL\system\threading\thread.cs @ 93]
22 2c86f034 73216e64 clr!CallDescrWorkerInternal+0x34 [f:\dd\ndp\clr\src\vm\i386\asmhelpers.asm @ 763]
23 2c86f088 732182f4 clr!CallDescrWorkerWithHandler+0x6b [f:\dd\ndp\clr\src\vm\callhelpers.cpp @ 91]
24 2c86f0f8 733490fd clr!MethodDescCallSite::CallTargetWorker+0x16a [f:\dd\ndp\clr\src\vm\callhelpers.cpp @ 655]
25 (Inline) -------- clr!MethodDescCallSite::Call+0xe [f:\dd\ndp\clr\src\vm\callhelpers.h @ 423]
26 2c86f26c 732cd03a clr!ThreadNative::KickOffThread_Worker+0x173 [f:\dd\ndp\clr\src\vm\comsynchronizable.cpp @ 301]
27 2c86f284 732cd0a4 clr!ManagedThreadBase_DispatchInner+0x71 [f:\dd\ndp\clr\src\vm\threads.cpp @ 10273]
28 2c86f328 732cd171 clr!ManagedThreadBase_DispatchMiddle+0x7e [f:\dd\ndp\clr\src\vm\threads.cpp @ 10323]
29 2c86f384 732cd1df clr!ManagedThreadBase_DispatchOuter+0x5b [f:\dd\ndp\clr\src\vm\threads.cpp @ 10577]
2a 2c86f3a8 73348fb2 clr!ManagedThreadBase_FullTransitionWithAD+0x2f [f:\dd\ndp\clr\src\vm\threads.cpp @ 10641]
2b (Inline) -------- clr!ManagedThreadBase::KickOff+0x15 [f:\dd\ndp\clr\src\vm\threads.cpp @ 10675]
2c 2c86f424 7322edf1 clr!ThreadNative::KickOffThread+0x256 [f:\dd\ndp\clr\src\vm\comsynchronizable.cpp @ 421]
2d 2c86ff40 743d8654 clr!Thread::intermediateThreadProc+0x55 [f:\dd\ndp\clr\src\vm\threads.cpp @ 2872]
2e 2c86ff54 77274a77 kernel32!BaseThreadInitThunk+0x24 [base\win32\client\thread.c @ 64]
2f 2c86ff9c 77274a47 ntdll!__RtlUserThreadStart+0x2f [minkernel\ntdll\rtlstrt.c @ 997]
30 2c86ffac 00000000 ntdll!_RtlUserThreadStart+0x1b [minkernel\ntdll\rtlstrt.c @ 914]

[grokys]

This should have been fixed by #1664.