Fix the driver IDE. Patch from Chris Guerineau.
Index: sos-trunk-modif/drivers/ide.c
===================================================================
--- sos-trunk-modif.orig/drivers/ide.c
+++ sos-trunk-modif/drivers/ide.c
@@ -391,6 +391,8 @@ static int ide_get_device_info (struct i
   dev->cyls    = info->nb_logical_cylinders;
   dev->sectors = info->nb_logical_sectors;
 
+	dev->blocks = info->lba_capacity;
+
   dev->support_lba = FALSE;
 
   /* Determines if device supports LBA. The method is a bit ugly, but
@@ -515,7 +517,8 @@ static sos_ret_t ide_io_operation (struc
       sect   = (block & 0xff);
       cyl_lo = (block >> 8) & 0xff;
       cyl_hi = (block >> 16) & 0xff;
-      head   = ((block >> 24) & 0x7) | 0x40;
+      head   = ((block >> 24) & 0xF) | 0x40;
+    /*  head   = ((block >> 24) & 0x7) | 0x40; */
     }
   else
     {
@@ -554,11 +557,15 @@ static sos_ret_t ide_io_operation (struc
     outb(ATA_C_READ, dev->ctrl->ioaddr + ATA_CMD);
 
   /* Wait for the device ready to transfer */
-  do { udelay(1); } while (inb(dev->ctrl->ioaddr + ATA_STATUS) & ATA_S_BSY);
+  /*do { udelay(1); } while (inb(dev->ctrl->ioaddr + ATA_STATUS) & ATA_S_BSY); */
+
+  do { udelay(1); } while (inb(dev->ctrl->ioaddr + ATA_ALTPORT) & ATA_S_BSY);
 
   /* If an error was detected, stop here */
-  if (inb(dev->ctrl->ioaddr + ATA_STATUS) & ATA_S_ERROR)
+  /* if (inb(dev->ctrl->ioaddr + ATA_STATUS) & ATA_S_ERROR) */
+  if (inb(dev->ctrl->ioaddr + ATA_ALTPORT) & ATA_S_ERROR)
     {
+    inb(dev->ctrl->ioaddr + ATA_STATUS);
       sos_kmutex_unlock (& dev->ctrl->mutex);
       return -SOS_EFATAL;
     }
@@ -571,7 +578,8 @@ static sos_ret_t ide_io_operation (struc
       /* Wait for the DRQ bit to be set */
       while (1)
 	{
-	  status = inb(dev->ctrl->ioaddr + ATA_STATUS);
+	  /* status = inb(dev->ctrl->ioaddr + ATA_STATUS); */
+	  status = inb(dev->ctrl->ioaddr + ATA_ALTPORT);
 	  if (status & ATA_S_ERROR)
 	    {
 	      sos_kmutex_unlock (& dev->ctrl->mutex);
@@ -590,7 +598,8 @@ static sos_ret_t ide_io_operation (struc
       /* Wait for the device to have received all the data */
       while (1)
 	{
-	  status = inb(dev->ctrl->ioaddr + ATA_STATUS);
+	  /* status = inb(dev->ctrl->ioaddr + ATA_STATUS); */
+	  status = inb(dev->ctrl->ioaddr + ATA_ALTPORT);
 	  if (status & ATA_S_ERROR)
 	    {
 	      sos_kmutex_unlock (& dev->ctrl->mutex);