Merge changes I04498a3c,I8f757551

* changes:
  Merge commit 'a2c0d4ff19b9c4403b29b6b1851526fb402965a2' as 'third_party/lksctp-tools'
  Squashed 'third_party/lksctp-tools/' content from commit 200eca7f1
diff --git a/aos/events/shm_event_loop.cc b/aos/events/shm_event_loop.cc
index e30e2f2..de941c3 100644
--- a/aos/events/shm_event_loop.cc
+++ b/aos/events/shm_event_loop.cc
@@ -160,7 +160,8 @@
 class SimpleShmFetcher {
  public:
   explicit SimpleShmFetcher(const Channel *channel)
-      : lockless_queue_memory_(channel),
+      : channel_(channel),
+        lockless_queue_memory_(channel),
         lockless_queue_(lockless_queue_memory_.memory(),
                         lockless_queue_memory_.config()),
         data_storage_(static_cast<AlignedChar *>(aligned_alloc(
@@ -218,12 +219,13 @@
     // being written to, which means you are pretty far behind.
     CHECK(read_result != ipc_lib::LocklessQueue::ReadResult::OVERWROTE)
         << ": Got behind while reading and the last message was modified "
-           "out "
-           "from under us while we were reading it.  Don't get so far "
-           "behind.";
+           "out from under us while we were reading it.  Don't get so far "
+           "behind.  "
+        << configuration::CleanedChannelToString(channel_);
 
     CHECK(read_result != ipc_lib::LocklessQueue::ReadResult::TOO_OLD)
-        << ": The next message is no longer available.";
+        << ": The next message is no longer available.  "
+        << configuration::CleanedChannelToString(channel_);
     return read_result == ipc_lib::LocklessQueue::ReadResult::GOOD;
   }
 
@@ -267,18 +269,20 @@
     // being written to, which means you are pretty far behind.
     CHECK(read_result != ipc_lib::LocklessQueue::ReadResult::OVERWROTE)
         << ": Got behind while reading and the last message was modified "
-           "out "
-           "from under us while we were reading it.  Don't get so far "
-           "behind.";
+           "out from under us while we were reading it.  Don't get so far "
+           "behind."
+        << configuration::CleanedChannelToString(channel_);
 
     CHECK(read_result != ipc_lib::LocklessQueue::ReadResult::NOTHING_NEW)
-        << ": Queue index went backwards.  This should never happen.";
+        << ": Queue index went backwards.  This should never happen.  "
+        << configuration::CleanedChannelToString(channel_);
 
     // We fell behind between when we read the index and read the value.
     // This isn't worth recovering from since this means we went to sleep
     // for a long time in the middle of this function.
     CHECK(read_result != ipc_lib::LocklessQueue::ReadResult::TOO_OLD)
-        << ": The next message is no longer available.";
+        << ": The next message is no longer available.  "
+        << configuration::CleanedChannelToString(channel_);
     return read_result == ipc_lib::LocklessQueue::ReadResult::GOOD;
   }
 
@@ -291,6 +295,7 @@
   void UnregisterWakeup() { lockless_queue_.UnregisterWakeup(); }
 
  private:
+  const Channel *const channel_;
   MMapedQueue lockless_queue_memory_;
   ipc_lib::LocklessQueue lockless_queue_;
 
diff --git a/aos/ipc_lib/shared_mem.cc b/aos/ipc_lib/shared_mem.cc
index 3bb7267..461e254 100644
--- a/aos/ipc_lib/shared_mem.cc
+++ b/aos/ipc_lib/shared_mem.cc
@@ -18,7 +18,7 @@
 #define AOS_SHM_NAME "/aos_shared_mem"
 // Size of the shared mem segment.
 // This must fit in the tmpfs for /dev/shm/
-#define SIZEOFSHMSEG (4096 * 0x3000)
+#define SIZEOFSHMSEG (4096 * 0x800)
 
 void init_shared_mem_core(aos_shm_core *shm_core) {
   memset(&shm_core->time_offset, 0 , sizeof(shm_core->time_offset));
diff --git a/aos/logging/implementations.cc b/aos/logging/implementations.cc
index 5b324b1..89fc904 100644
--- a/aos/logging/implementations.cc
+++ b/aos/logging/implementations.cc
@@ -250,7 +250,7 @@
 }  // namespace
 
 RawQueue *GetLoggingQueue() {
-  return RawQueue::Fetch("LoggingQueue", sizeof(LogMessage), 1323, 40000);
+  return RawQueue::Fetch("LoggingQueue", sizeof(LogMessage), 1323, 10000);
 }
 
 void RegisterQueueImplementation() {