Changeset 38980 in vbox

Timestamp:

Oct 12, 2011 3:33:40 PM (14 years ago)

Author:

vboxsync

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

74365

Message:

e1000: windows 7 hang due interrupts fix (#5023, #5911)

File:

• trunk/src/VBox/Devices/Network/DevE1000.cpp (modified) (1 diff)

trunk/src/VBox/Devices/Network/DevE1000.cpp ¶

@@ -2513 +2513 @@
         E1kLog2(("%s e1kRegWriteIMS: IRQ pending (%08x), arming late int timer...\n",
                  INSTANCE(pState), ICR));
-        //TMTimerSet(pState->CTX_SUFF(pIntTimer), TMTimerFromNano(pState->CTX_SUFF(pIntTimer), ITR * 256) +
-        //        TMTimerGet(pState->CTX_SUFF(pIntTimer)));
-        e1kRaiseInterrupt(pState, VERR_SEM_BUSY);
+        /* Raising an interrupt immediately causes win7 to hang upon NIC reconfiguration (#5023) */
+        TMTimerSet(pState->CTX_SUFF(pIntTimer), TMTimerFromNano(pState->CTX_SUFF(pIntTimer), ITR * 256) +
+                   TMTimerGet(pState->CTX_SUFF(pIntTimer)));
     }