$NetBSD$

--- security/manager/ssl/src/nsSSLThread.cpp.orig	2008-04-12 13:47:24.000000000 +0900
+++ security/manager/ssl/src/nsSSLThread.cpp
@@ -1102,7 +1102,24 @@ void nsSSLThread::Run(void)
     }
   }
 
-  {
+  /*
+    Sometimes the singleton object is gone at this time. I don't know why. (PHO)
+    
+    #0  nsSSLThread::~nsSSLThread (this=0x7492050) at nsSSLThread.cpp:61
+    #1  0x017c6d7c in nsNSSComponent::~nsNSSComponent (this=0x748cb80) at nsNSSComponent.cpp:318
+    #2  0x017c279c in nsNSSComponent::Release (this=0x748cb80) at nsNSSComponent.cpp:1774
+    #3  0x017d0d04 in nsNSSComponentConstructor (aOuter=0x748cb80, aIID=@0x1b5dfc0, aResult=0xf0305a28) at nsNSSModule.cpp:166
+    #4  0x01a13528 in nsComponentManagerImpl::CreateInstance () at nsCertTree.cpp:1300
+    #5  0x01a13728 in nsComponentManagerImpl::GetService () at nsCertTree.cpp:1300
+    #6  0x019d1ed4 in nsGetServiceByCIDWithError::operator() () at nsCertTree.cpp:1300
+    #7  0x019d0c54 in nsCOMPtr_base::assign_from_gs_cid_with_error () at nsCertTree.cpp:1300
+    #8  0x017cc860 in nsHandleSSLError (socketInfo=0x63aa2c0, err=-12268) at ../../../../dist/include/xpcom/nsCOMPtr.h:669
+    #9  0x017cd120 in nsSSLThread::checkHandshake (bytesTransfered=-1, wasReading=0, ssl_layer_fd=0x63a5a90, socketInfo=0x63aa2c0) at nsNSSIOLayer.cpp:1674
+    #10 0x017bce68 in nsSSLThread::Run (this=0x63a32d0) at nsSSLThread.cpp:1040
+    #11 0x00064670 in _pt_root ()
+    #12 0x9002bd08 in _pthread_body ()
+   */
+  if (ssl_thread_singleton) {
     nsAutoLock threadLock(ssl_thread_singleton->mMutex);
     if (mBusySocket)
     {