#3612 Log issues with landmarks and rethrown exceptions

3 files changed, 16 insertions, 3 deletions

diff --git a/indra/llcommon/llthread.cpp b/indra/llcommon/llthread.cpp
index 692941a892..8c12ee7f12 100644
--- a/indra/llcommon/llthread.cpp
+++ b/indra/llcommon/llthread.cpp
@@ -240,7 +240,11 @@ void LLThread::tryRun()
         LL::WorkQueue::ptr_t main_queue = LL::WorkQueue::getInstance("mainloop");
         main_queue->post(
             // Bind the current exception, rethrow it in main loop.
-            [exc = std::current_exception()]() { std::rethrow_exception(exc); });
+            [exc = std::current_exception(), name = mName]()
+        {
+            LL_INFOS("THREAD") << "Rethrowing exception from thread " << name << LL_ENDL;
+            std::rethrow_exception(exc);
+        });
     }
 #endif // else LL_WINDOWS
 }
diff --git a/indra/llcommon/workqueue.cpp b/indra/llcommon/workqueue.cpp
index 7efaebd569..0407d6c3e9 100644
--- a/indra/llcommon/workqueue.cpp
+++ b/indra/llcommon/workqueue.cpp
@@ -216,10 +216,15 @@ void LL::WorkQueueBase::callWork(const Work& work)
             LL_WARNS("LLCoros") << "Capturing and rethrowing uncaught exception in WorkQueueBase "
                                 << getKey() << LL_ENDL;
 
+            std::string name = getKey();
             LL::WorkQueue::ptr_t main_queue = LL::WorkQueue::getInstance("mainloop");
             main_queue->post(
                              // Bind the current exception, rethrow it in main loop.
-                             [exc = std::current_exception()]() { std::rethrow_exception(exc); });
+                             [exc = std::current_exception(), name]()
+            {
+                LL_INFOS("LLCoros") << "Rethrowing exception from WorkQueueBase::callWork " << name << LL_ENDL;
+                std::rethrow_exception(exc);
+            });
         }
         else
         {
diff --git a/indra/llcommon/workqueue.h b/indra/llcommon/workqueue.h
index 735ad38a26..573203a5b3 100644
--- a/indra/llcommon/workqueue.h
+++ b/indra/llcommon/workqueue.h
@@ -530,7 +530,11 @@ namespace LL
                         reply,
                         // Bind the current exception to transport back to the
                         // originating WorkQueue. Once there, rethrow it.
-                        [exc = std::current_exception()](){ std::rethrow_exception(exc); });
+                        [exc = std::current_exception()]()
+                    {
+                        LL_INFOS("LLCoros") << "Rethrowing exception from WorkQueueBase::postTo" << LL_ENDL;
+                        std::rethrow_exception(exc);
+                    });
                 }
             },
             // if caller passed a TimePoint, pass it along to post()