Re: [v5 Patch 1/3] netpoll: add generic support for bridge and bonding devices

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On Mon, May 31, 2010 at 01:56:52PM +0800, Cong Wang wrote:
> Hi, Flavio,
> 
> Please use the attached patch instead, try to see if it solves
> all your problems.

I tried and it hangs. No backtraces this time.
The bond_change_active_slave() prints before NETDEV_BONDING_FAILOVER
notification, so I think it won't work. 

Please, correct if I'm wrong, but when a failover happens with your 
patch applied, the netconsole would be disabled forever even with
another healthy slave, right?

fbl


> 
> Thanks a lot!
> 

> diff --git a/drivers/net/netconsole.c b/drivers/net/netconsole.c
> index ca142c4..2d1d594 100644
> --- a/drivers/net/netconsole.c
> +++ b/drivers/net/netconsole.c
> @@ -666,7 +666,8 @@ static int netconsole_netdev_event(struct notifier_block *this,
>  	struct net_device *dev = ptr;
>  
>  	if (!(event == NETDEV_CHANGENAME || event == NETDEV_UNREGISTER ||
> -	      event == NETDEV_BONDING_DESLAVE || event == NETDEV_GOING_DOWN))
> +	      event == NETDEV_BONDING_DESLAVE || event == NETDEV_GOING_DOWN ||
> +	      event == NETDEV_BONDING_FAILOVER))
>  		goto done;
>  
>  	spin_lock_irqsave(&target_list_lock, flags);
> @@ -682,6 +683,7 @@ static int netconsole_netdev_event(struct notifier_block *this,
>  				/* Fall through */
>  			case NETDEV_GOING_DOWN:
>  			case NETDEV_BONDING_DESLAVE:
> +			case NETDEV_BONDING_FAILOVER:
>  				nt->enabled = 0;
>  				break;
>  			}


-- 
Flavio
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