review-2.6.22.y/tulip-quad-NIC-ifdown.patch

   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 Signed-off-by: Oliver Pinter <oliver.pntr@gmail.com>
  11
  12  drivers/net/tulip/tulip_core.c |    4 ++++
  13  1 file changed, 4 insertions(+)
  14
  15 --- a/drivers/net/tulip/tulip_core.c    2007-07-08 19:32:17.000000000 -0400
  16 +++ b/drivers/net/tulip/tulip_core.c    2007-08-27 14:01:23.000000000 -0400
  17 @@ -1794,6 +1794,10 @@ static void __devexit tulip_remove_one (
  18                 return;
  19
  20         tp = netdev_priv(dev);
  21 +
  22 +       /* shoot NIC in the head before deallocating descriptors */
  23 +       pci_disable_device(tp->pdev);
  24 +
  25         unregister_netdev(dev);
  26         pci_free_consistent (pdev,
  27                              sizeof (struct tulip_rx_desc) * RX_RING_SIZE +