Changeset 5438 in vbox for trunk/src

Timestamp:

Oct 22, 2007 3:59:18 PM (17 years ago)

Author:

vboxsync

Message:

Fix SuSE 9.1 install regression.

File:

• trunk/src/VBox/Devices/Storage/DevATA.cpp (modified) (3 diffs)

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

@@ -894 +894 @@
     uint32_t cbLimit, cbTransfer;
 
-    if (s->uTxDir == PDMBLOCKTXDIR_FROM_DEVICE)
+    cbLimit = s->uATARegLCyl | (s->uATARegHCyl << 8);
+    /* Use maximum transfer size if the guest requested 0. Avoids a hang. */
+    if (cbLimit == 0)
         cbLimit = 0xfffe;
-    else
-        cbLimit = s->uATARegLCyl | (s->uATARegHCyl << 8);
     Log2(("%s: byte count limit=%d\n", __FUNCTION__, cbLimit));
     if (cbLimit == 0xffff)
@@ -904 +904 @@
     if (cbTransfer > cbLimit)
     {
-        /* byte count limit must be even if this case */
+        /* Byte count limit for clipping mubyte count limit must be even in this case */
         if (cbLimit & 1)
             cbLimit--;
@@ -5973 +5973 @@
     pData->dev.config[0x00] = 0x86; /* Vendor: Intel */
     pData->dev.config[0x01] = 0x80;
-    if (pData->fPIIX4) 
+    if (pData->fPIIX4)
     {
         pData->dev.config[0x02] = 0x11; /* Device: PIIX4 IDE */