@@ -, +, @@ 
 miSyncTriggerFence()
  == Invalid read of size 8
  ==    at 0x568C14: miSyncTriggerFence (misync.c:140)
  ==    by 0x540688: ProcSyncTriggerFence (sync.c:1957)
  ==    by 0x540CCC: ProcSyncDispatch (sync.c:2152)
  ==    by 0x4A28C5: Dispatch (dispatch.c:553)
  ==    by 0x4B0B24: dix_main (main.c:274)
  ==    by 0x42915E: main (stubmain.c:34)
  ==  Address 0x17e35488 is 8 bytes inside a block of size 16 free'd
  ==    at 0x4843E43: free (vg_replace_malloc.c:990)
  ==    by 0x53D683: SyncDeleteTriggerFromSyncObject (sync.c:169)
  ==    by 0x53F14D: FreeAwait (sync.c:1208)
  ==    by 0x4DFB06: doFreeResource (resource.c:888)
  ==    by 0x4DFC59: FreeResource (resource.c:918)
  ==    by 0x53E349: SyncAwaitTriggerFired (sync.c:701)
  ==    by 0x568C52: miSyncTriggerFence (misync.c:142)
  ==    by 0x540688: ProcSyncTriggerFence (sync.c:1957)
  ==    by 0x540CCC: ProcSyncDispatch (sync.c:2152)
  ==    by 0x4A28C5: Dispatch (dispatch.c:553)
  ==    by 0x4B0B24: dix_main (main.c:274)
  ==    by 0x42915E: main (stubmain.c:34)
  ==  Block was alloc'd at
  ==    at 0x4840B26: malloc (vg_replace_malloc.c:447)
  ==    by 0x5E50E1: XNFalloc (utils.c:1129)
  ==    by 0x53D772: SyncAddTriggerToSyncObject (sync.c:206)
  ==    by 0x53DCA8: SyncInitTrigger (sync.c:414)
  ==    by 0x5409C7: ProcSyncAwaitFence (sync.c:2089)
  ==    by 0x540D04: ProcSyncDispatch (sync.c:2160)
  ==    by 0x4A28C5: Dispatch (dispatch.c:553)
  ==    by 0x4B0B24: dix_main (main.c:274)
  ==    by 0x42915E: main (stubmain.c:34)
---
 miext/sync/misync.c | 18 ++++++++++++------
 1 file changed, 12 insertions(+), 6 deletions(-)
--- a/miext/sync/misync.c	
+++ a/miext/sync/misync.c	
@@ -131,16 +131,22 @@ miSyncDestroyFence(SyncFence * pFence)
 void
 miSyncTriggerFence(SyncFence * pFence)
 {
-    SyncTriggerList *ptl, *pNext;
+    SyncTriggerList *ptl;
+    Bool triggered;
 
     pFence->funcs.SetTriggered(pFence);
 
     /* run through triggers to see if any fired */
-    for (ptl = pFence->sync.pTriglist; ptl; ptl = pNext) {
-        pNext = ptl->next;
-        if ((*ptl->pTrigger->CheckTrigger) (ptl->pTrigger, 0))
-            (*ptl->pTrigger->TriggerFired) (ptl->pTrigger);
-    }
+    do {
+        triggered = FALSE;
+        for (ptl = pFence->sync.pTriglist; ptl; ptl = ptl->next) {
+            if ((*ptl->pTrigger->CheckTrigger) (ptl->pTrigger, 0)) {
+                (*ptl->pTrigger->TriggerFired) (ptl->pTrigger);
+                triggered = TRUE;
+                break;
+            }
+        }
+    } while (triggered);
 }
 
 SyncScreenFuncsPtr
--