src/patches/suse-2.6.27.25/patches.fixes/tulip-quad-NIC-ifdown

   1 Subject: MCA when shutting down tulip quad-NIC
   2 From: andrew.patterson@hp.com
   3 References: SUSE39204
   4
   5 Shutting down the network causes an MCA because of an IO TLB error when
   6 a DEC quad 10/100 card is in any slot.  This problem was originally seen
   7 on an HP rx4640.
   8
   9 Acked-by: Olaf Kirch <okir@suse.de>
  10
  11  drivers/net/tulip/tulip_core.c |    4 ++++
  12  1 file changed, 4 insertions(+)
  13
  14 --- a/drivers/net/tulip/tulip_core.c
  15 +++ b/drivers/net/tulip/tulip_core.c
  16 @@ -1788,6 +1788,10 @@ static void __devexit tulip_remove_one (
  17                 return;
  18
  19         tp = netdev_priv(dev);
  20 +
  21 +       /* shoot NIC in the head before deallocating descriptors */
  22 +       pci_disable_device(tp->pdev);
  23 +
  24         unregister_netdev(dev);
  25         pci_free_consistent (pdev,
  26                              sizeof (struct tulip_rx_desc) * RX_RING_SIZE +