Changeset 54088 in vbox for trunk/src/VBox/Devices/Storage

Timestamp:

Feb 5, 2015 2:50:18 PM (10 years ago)

Author:

vboxsync

svn:sync-xref-src-repo-rev:

98042

Message:

AHCI: Fix possible crash when suspending a VM (very rare)

File:

• trunk/src/VBox/Devices/Storage/DevAHCI.cpp (modified) (1 diff)

trunk/src/VBox/Devices/Storage/DevAHCI.cpp

@@ -6638 +6638 @@
         ASMAtomicIncU32(&pAhci->cThreadsActive);
 
+        /* Check whether the thread should be suspended. */
+        if (pAhci->fSignalIdle)
+        {
+            if (!ASMAtomicDecU32(&pAhci->cThreadsActive))
+                PDMDevHlpAsyncNotificationCompleted(pAhciPort->pDevInsR3);
+            continue;
+        }
+
         /*
          * Check whether the global host controller bit is set and go to sleep immediately again