Changeset 38641 in vbox

Timestamp:

Sep 5, 2011 2:43:10 PM (14 years ago)

Author:

vboxsync

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

73848

Message:

Main: fix possible dead-lock between IMedium::RefreshState and IMedium::Reset

File:

• trunk/src/VBox/Main/src-server/MediumImpl.cpp (modified) (1 diff)

trunk/src/VBox/Main/src-server/MediumImpl.cpp

@@ -2922 +2922 @@
         }
 
+        /* Temporary leave this lock, cause IMedium::LockWrite, will wait for
+         * an running IMedium::queryInfo. If there is one running it might be
+         * it tries to acquire a MediaTreeLock as well -> dead-lock. */
+        multilock.leave();
         rc = pMediumLockList->Lock();
+        multilock.enter();
         if (FAILED(rc))
         {