From: Oskar Schirmer Date: Thu, 7 Oct 2010 02:30:30 +0000 (+0000) Subject: net/fec: carrier off initially to avoid root mount failure X-Git-Tag: v2.6.36-rc8~2^2~9 X-Git-Url: http://bbs.cooldavid.org/git/?p=net-next-2.6.git;a=commitdiff_plain;h=03c698c93fc15d976738a853a7ccb6ea26396003 net/fec: carrier off initially to avoid root mount failure with hardware slow in negotiation, the system did freeze while trying to mount root on nfs at boot time. the link state has not been initialised so network stack tried to start transmission right away. this caused instant retries, as the driver solely stated business upon link down, rendering the system unusable. notify carrier off initially to prevent transmission until phylib will report link up. Signed-off-by: Oskar Schirmer Signed-off-by: David S. Miller --- diff --git a/drivers/net/fec.c b/drivers/net/fec.c index 768b840aeb6..e83f67d22fe 100644 --- a/drivers/net/fec.c +++ b/drivers/net/fec.c @@ -1311,6 +1311,9 @@ fec_probe(struct platform_device *pdev) if (ret) goto failed_mii_init; + /* Carrier starts down, phylib will bring it up */ + netif_carrier_off(ndev); + ret = register_netdev(ndev); if (ret) goto failed_register;