RE: [PATCH 1/1] atl1c: fix issue of transmit queue 0 timed out

[Ren, Cloud]

Xiong, It looks my system time is wrong. After correct it, I will resend it.

Cloud ren

-----Original Message-----
From: Huang, Xiong 
Sent: 2012年7月3日 21:04
To: Ren, Cloud; davem@xxxxxxxxxxxxx; netdev@xxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx
Cc: qca-linux-team; nic-devel
Subject: RE: [PATCH 1/1] atl1c: fix issue of transmit queue 0 timed out

Cloud,  why your patch contains :  'From: Cloud Ren <cjren@xxxxxxxxxxxxxxxx>'
I don’t find it in other people's patch.

Doesn't David Miller think your time is wrong ?


> -----Original Message-----
> From: Ren, Cloud
> Sent: Tuesday, July 03, 2012 21:28
> To: davem@xxxxxxxxxxxxx; netdev@xxxxxxxxxxxxxxx; linux- 
> kernel@xxxxxxxxxxxxxxx
> Cc: qca-linux-team; nic-devel; Ren, Cloud
> Subject: [PATCH 1/1] atl1c: fix issue of transmit queue 0 timed out
> 
> From: Cloud Ren <cjren@xxxxxxxxxxxxxxxx>
> 
> some people report atl1c could cause system hang with following kernel 
> trace
> info:
> ---------------------------------------
> WARNING: at.../net/sched/sch_generic.c:258 dev_watchdog+0x1db/0x1d0() ...
> NETDEV WATCHDOG: eth0 (atl1c): transmit queue 0 timed out ...
> ---------------------------------------
> This is caused by netif_stop_queue calling when cable Link is down.
> So remove netif_stop_queue, because link_watch will take it over.
> 
> Signed-off-by: xiong <xiong@xxxxxxxxxxxxxxxx>
> Cc: stable <stable@xxxxxxxxxxxxxxx>
> Signed-off-by: Cloud Ren <cjren@xxxxxxxxxxxxxxxx>
> ---
>  drivers/net/ethernet/atheros/atl1c/atl1c_main.c |    1 -
>  1 files changed, 0 insertions(+), 1 deletions(-)
> 
> diff --git a/drivers/net/ethernet/atheros/atl1c/atl1c_main.c
> b/drivers/net/ethernet/atheros/atl1c/atl1c_main.c
> index 85717cb..7901831 100644
> --- a/drivers/net/ethernet/atheros/atl1c/atl1c_main.c
> +++ b/drivers/net/ethernet/atheros/atl1c/atl1c_main.c
> @@ -261,7 +261,6 @@ static void atl1c_check_link_status(struct 
> atl1c_adapter *adapter)
>  	if ((phy_data & BMSR_LSTATUS) == 0) {
>  		/* link down */
>  		netif_carrier_off(netdev);
> -		netif_stop_queue(netdev);
>  		hw->hibernate = true;
>  		if (atl1c_reset_mac(hw) != 0)
>  			if (netif_msg_hw(adapter))
> --
> 1.7.7

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