Changeset 87988 in vbox

Timestamp:

Mar 5, 2021 9:44:36 PM (4 years ago)

Author:

vboxsync

Message:

DevHDA: Complain on underflows in DMA worker. bugref:9890

File:

• trunk/src/VBox/Devices/Audio/HDAStream.cpp (modified) (1 diff)

trunk/src/VBox/Devices/Audio/HDAStream.cpp

@@ -1188 +1188 @@
     LogFlowFunc(("ENTER - #%u cbToProcessMax=%#x\n", uSD, cbToProcessMax));
 
+    if (RT_LIKELY(cbToProcessMax >= pStreamShared->State.cbTransferSize))
+    { /*likely*/ }
+    else
+    {
+        /** @todo account for this or something so we can try get back in sync
+         *        later... */
+        LogFlowFunc(("Internal DMA/AIO buffer underflow (%#x, wanted at least %#x)\n", cbToProcessMax, pStreamShared->State.cbTransferSize));
+        /// @todo STAM_REL_COUNTER_INC(&pStreamR3->State.StatDmaUnderflow);
+    }
+
     hdaStreamLock(pStreamShared);