From mboxrd@z Thu Jan 1 00:00:00 1970 From: Subject: [PATCH 1/1] atl1c: fix issue of transmit queue 0 timed out Date: Wed, 4 Jul 2012 10:51:48 +0800 Message-ID: <1341370308-23233-1-git-send-email-cjren@qca.qualcomm.com> Mime-Version: 1.0 Content-Type: text/plain Cc: , To: , , Return-path: Received: from wolverine02.qualcomm.com ([199.106.114.251]:17878 "EHLO wolverine02.qualcomm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754426Ab2GDCvZ (ORCPT ); Tue, 3 Jul 2012 22:51:25 -0400 Sender: netdev-owner@vger.kernel.org List-ID: 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 Cc: stable Signed-off-by: Cloud Ren --- 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