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Date: Tue, 15 Oct 2013 21:04:06 +0200 From: Sander Eikelenboom <linux@...elenboom.it> To: "Grumbach, Emmanuel" <emmanuel.grumbach@...el.com> CC: "John W. Linville" <linville@...driver.com>, "Berg, Johannes" <johannes.berg@...el.com>, "ilw@...ux.intel.com" <ilw@...ux.intel.com>, "netdev@...r.kernel.org" <netdev@...r.kernel.org>, "linux-wireless@...r.kernel.org" <linux-wireless@...r.kernel.org> Subject: Re: [Ilw] drivers/net/wireless/iwlwifi/dvm/tx.c:456 iwlagn_tx_skb+0x6c5/0x883() Tuesday, October 15, 2013, 3:35:30 PM, you wrote: > Please apply this: > diff --git a/drivers/net/wireless/iwlwifi/dvm/tx.c b/drivers/net/wireless/iwlwifi/dvm/tx.c > index d131f85..5968f19 100644 > --- a/drivers/net/wireless/iwlwifi/dvm/tx.c > +++ b/drivers/net/wireless/iwlwifi/dvm/tx.c > @@ -457,8 +457,8 @@ int iwlagn_tx_skb(struct iwl_priv *priv, > WARN_ON_ONCE(is_agg && > priv->queue_to_mac80211[txq_id] != info->hw_queue); > > - IWL_DEBUG_TX(priv, "TX to [%d|%d] Q:%d - seq: 0x%x\n", sta_id, tid, > - txq_id, seq_number); > + IWL_DEBUG_TX(priv, "TX to [%d|%d] Q:%d info Q %d - seq: 0x%x\n", sta_id, tid, > + txq_id, info->hw_queue, seq_number); > > if (iwl_trans_tx(priv->trans, skb, dev_cmd, txq_id)) > goto drop_unlock_sta; > and send the output back to me > Thanks. With the patch i get: That results in: [ 7.154856] iwlwifi 0000:02:00.0: L1 Disabled; Enabling L0S [ 7.163961] iwlwifi 0000:02:00.0: Radio type=0x2-0x1-0x0 [ 7.210395] iwlwifi 0000:02:00.0: U iwl_trans_pcie_txq_enable Activate queue 9 on FIFO 7 WrPtr: 0 [ 7.213319] iwlwifi 0000:02:00.0: U iwl_trans_pcie_txq_enable Activate queue 0 on FIFO 3 WrPtr: 0 [ 7.216195] iwlwifi 0000:02:00.0: U iwl_trans_pcie_txq_enable Activate queue 1 on FIFO 2 WrPtr: 0 [ 7.218927] iwlwifi 0000:02:00.0: U iwl_trans_pcie_txq_enable Activate queue 2 on FIFO 1 WrPtr: 0 [ 7.221531] iwlwifi 0000:02:00.0: U iwl_trans_pcie_txq_enable Activate queue 3 on FIFO 0 WrPtr: 0 [ 7.224168] iwlwifi 0000:02:00.0: U iwl_trans_pcie_txq_enable Activate queue 4 on FIFO 0 WrPtr: 0 [ 7.226768] iwlwifi 0000:02:00.0: U iwl_trans_pcie_txq_enable Activate queue 5 on FIFO 4 WrPtr: 0 [ 7.229150] iwlwifi 0000:02:00.0: U iwl_trans_pcie_txq_enable Activate queue 6 on FIFO 2 WrPtr: 0 [ 7.231449] iwlwifi 0000:02:00.0: U iwl_trans_pcie_txq_enable Activate queue 7 on FIFO 5 WrPtr: 0 [ 7.235266] iwlwifi 0000:02:00.0: U iwl_trans_pcie_txq_enable Activate queue 8 on FIFO 4 WrPtr: 0 [ 7.237399] iwlwifi 0000:02:00.0: U iwl_trans_pcie_txq_enable Activate queue 10 on FIFO 5 WrPtr: 0 [ 7.474222] iwlwifi 0000:02:00.0: L1 Disabled; Enabling L0S [ 7.485102] iwlwifi 0000:02:00.0: Radio type=0x2-0x1-0x0 [ 7.534296] iwlwifi 0000:02:00.0: U iwl_trans_pcie_txq_enable Activate queue 9 on FIFO 7 WrPtr: 0 [ 7.538506] iwlwifi 0000:02:00.0: U iwl_trans_pcie_txq_enable Activate queue 0 on FIFO 3 WrPtr: 0 [ 7.542438] iwlwifi 0000:02:00.0: U iwl_trans_pcie_txq_enable Activate queue 1 on FIFO 2 WrPtr: 0 [ 7.546288] iwlwifi 0000:02:00.0: U iwl_trans_pcie_txq_enable Activate queue 2 on FIFO 1 WrPtr: 0 [ 7.549720] iwlwifi 0000:02:00.0: U iwl_trans_pcie_txq_enable Activate queue 3 on FIFO 0 WrPtr: 0 [ 7.553037] iwlwifi 0000:02:00.0: U iwl_trans_pcie_txq_enable Activate queue 4 on FIFO 0 WrPtr: 0 [ 7.556308] iwlwifi 0000:02:00.0: U iwl_trans_pcie_txq_enable Activate queue 5 on FIFO 4 WrPtr: 0 [ 7.559539] iwlwifi 0000:02:00.0: U iwl_trans_pcie_txq_enable Activate queue 6 on FIFO 2 WrPtr: 0 [ 7.562506] iwlwifi 0000:02:00.0: U iwl_trans_pcie_txq_enable Activate queue 7 on FIFO 5 WrPtr: 0 [ 7.565350] iwlwifi 0000:02:00.0: U iwl_trans_pcie_txq_enable Activate queue 8 on FIFO 4 WrPtr: 0 [ 7.568098] iwlwifi 0000:02:00.0: U iwl_trans_pcie_txq_enable Activate queue 10 on FIFO 5 WrPtr: 0 [ 7.614245] device wlan0 entered promiscuous mode [ 7.616548] xen_bridge: port 2(wlan0) entered forwarding state [ 7.618444] xen_bridge: port 2(wlan0) entered forwarding state [ 7.620040] cfg80211: Pending regulatory request, waiting for it to be processed... [ 7.630139] ------------[ cut here ]------------ [ 7.631729] WARNING: CPU: 2 PID: 2438 at drivers/net/wireless/iwlwifi/dvm/tx.c:456 iwlagn_tx_skb+0x776/0x981() [ 7.633206] Modules linked in: acpi_cpufreq [ 7.634693] CPU: 2 PID: 2438 Comm: hostapd Not tainted 3.12.0-rc5+ #1 [ 7.636529] Hardware name: /D53427RKE, BIOS RKPPT10H.86A.0017.2013.0425.1251 04/25/2013 [ 7.638385] 0000000000000000 0000000000000009 ffffffff818a8082 0000000000000000 [ 7.640163] ffffffff8105a4f2 0000000000000000 ffffffff815f440a ffff8800d736dec0 [ 7.641827] ffff8800d6cf9790 ffff8800d736dec0 0000000000000007 0000000000000000 [ 7.643295] Call Trace: [ 7.644708] [<ffffffff818a8082>] ? dump_stack+0x41/0x51 [ 7.646187] [<ffffffff8105a4f2>] ? warn_slowpath_common+0x78/0x90 [ 7.647877] [<ffffffff815f440a>] ? iwlagn_tx_skb+0x776/0x981 [ 7.649587] [<ffffffff815f440a>] ? iwlagn_tx_skb+0x776/0x981 [ 7.651188] [<ffffffff815f2407>] ? iwlagn_mac_tx+0x19/0x30 [ 7.652993] [<ffffffff8187a261>] ? __ieee80211_tx+0x226/0x29b [ 7.654661] [<ffffffff8187bcd9>] ? ieee80211_tx+0xa6/0xb5 [ 7.656409] [<ffffffff8187bfa7>] ? ieee80211_monitor_start_xmit+0x1e9/0x204 [ 7.658237] [<ffffffff8172e1f3>] ? dev_hard_start_xmit+0x271/0x3ec [ 7.659800] [<ffffffff81746540>] ? sch_direct_xmit+0x66/0x164 [ 7.661362] [<ffffffff8172e553>] ? dev_queue_xmit+0x1e5/0x3c8 [ 7.663062] [<ffffffff8180bfee>] ? packet_sendmsg+0xac5/0xb3d [ 7.664683] [<ffffffff8171ad9d>] ? sock_sendmsg+0x37/0x52 [ 7.664686] [<ffffffff810f9e0c>] ? __do_fault+0x338/0x36b [ 7.664688] [<ffffffff81724bb4>] ? verify_iovec+0x44/0x94 [ 7.664690] [<ffffffff8171b1f7>] ? ___sys_sendmsg+0x1f1/0x283 [ 7.664693] [<ffffffff81140a73>] ? __inode_wait_for_writeback+0x67/0xae [ 7.664694] [<ffffffff8111735e>] ? __cache_free.isra.46+0x178/0x187 [ 7.664696] [<ffffffff811173b1>] ? kmem_cache_free+0x44/0x84 [ 7.664698] [<ffffffff81132c22>] ? dentry_kill+0x13d/0x149 [ 7.664699] [<ffffffff81132f6f>] ? dput+0xe5/0xef [ 7.664701] [<ffffffff81136e04>] ? fget_light+0x2e/0x7c [ 7.664702] [<ffffffff8171c1f6>] ? __sys_sendmsg+0x39/0x57 [ 7.664705] [<ffffffff818b5e39>] ? system_call_fastpath+0x16/0x1b [ 7.664707] ---[ end trace 6723715cfa72062a ]--- [ 7.664711] iwlwifi 0000:02:00.0: I iwlagn_tx_skb TX to [14|8] Q:7 info Q 8 - seq: 0x0 [ 7.665934] device wlan0 left promiscuous mode [ 7.665941] xen_bridge: port 2(wlan0) entered disabled state [ 7.667656] iwlwifi 0000:02:00.0: I iwl_trans_pcie_reclaim [Q 7] 0 -> 1 (1) [ 7.667661] iwlwifi 0000:02:00.0: I iwlagn_rx_reply_tx TXQ 7 status SUCCESS (0x00000201) [ 7.667664] iwlwifi 0000:02:00.0: I iwlagn_rx_reply_tx initial_rate 0x820a retries 0, idx=0 ssn=1 seq_ctl=0x0 [ 7.699446] iwlwifi 0000:02:00.0: I iwl_pcie_txq_inc_wr_ptr Q:9 WR: 0x23 [ 7.738105] iwlwifi 0000:02:00.0: I iwl_pcie_txq_inc_wr_ptr Q:9 WR: 0x24 [ 7.741555] iwlwifi 0000:02:00.0: I iwl_pcie_txq_inc_wr_ptr Q:9 WR: 0x25 [ 7.744882] iwlwifi 0000:02:00.0: I iwl_pcie_txq_inc_wr_ptr Q:9 WR: 0x26 [ 7.748108] iwlwifi 0000:02:00.0: I iwl_pcie_txq_inc_wr_ptr Q:9 WR: 0x27 [ 7.751367] iwlwifi 0000:02:00.0: I iwl_pcie_txq_inc_wr_ptr Q:9 WR: 0x28 [ 7.753309] iwlwifi 0000:02:00.0: I iwl_pcie_txq_unmap Q 9 Free 39 -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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