Subject: MCA when shutting down tulip quad-NIC From: andrew.patterson@hp.com References: SUSE39204 Shutting down the network causes an MCA because of an IO TLB error when a DEC quad 10/100 card is in any slot. This problem was originally seen on an HP rx4640. Acked-by: Olaf Kirch drivers/net/tulip/tulip_core.c | 4 ++++ 1 file changed, 4 insertions(+) --- a/drivers/net/tulip/tulip_core.c +++ b/drivers/net/tulip/tulip_core.c @@ -1788,6 +1788,10 @@ static void __devexit tulip_remove_one ( return; tp = netdev_priv(dev); + + /* shoot NIC in the head before deallocating descriptors */ + pci_disable_device(tp->pdev); + unregister_netdev(dev); pci_free_consistent (pdev, sizeof (struct tulip_rx_desc) * RX_RING_SIZE +