On Tue, Jan 10, 2012 at 08:40:32PM +0000, Grumbach, Emmanuel wrote: > Hi, > > Is that series I added a debug flag that tells us what happens with the queues: please enable the 31st bit: 0x80000000 > > Just debug=0x80000000 as a module parameter. >From boot to first hang.. [ 24.874236] Intel(R) Wireless WiFi Link AGN driver for Linux, in-tree:d [ 24.875980] Copyright(c) 2003-2011 Intel Corporation [ 24.877877] iwlwifi 0000:04:00.0: PCI INT A -> GSI 17 (level, low) -> IRQ 17 [ 24.879733] iwlwifi 0000:04:00.0: setting latency timer to 64 [ 24.879847] iwlwifi 0000:04:00.0: pci_resource_len = 0x00002000 [ 24.881528] iwlwifi 0000:04:00.0: pci_resource_base = ffffc9001155c000 [ 24.883276] iwlwifi 0000:04:00.0: HW Revision ID = 0x0 [ 24.885297] iwlwifi 0000:04:00.0: irq 46 for MSI/MSI-X [ 24.885766] iwlwifi 0000:04:00.0: CONFIG_IWLWIFI_DEBUG enabled [ 24.887414] iwlwifi 0000:04:00.0: CONFIG_IWLWIFI_DEBUGFS enabled [ 24.889060] iwlwifi 0000:04:00.0: CONFIG_IWLWIFI_DEVICE_TRACING enabled [ 24.890740] iwlwifi 0000:04:00.0: CONFIG_IWLWIFI_DEVICE_TESTMODE enabled [ 24.892371] iwlwifi 0000:04:00.0: CONFIG_IWLWIFI_P2P disabled [ 24.893963] iwlwifi 0000:04:00.0: Detected Intel(R) Ultimate N WiFi Link 5300 AGN, REV=0x24 [ 24.896234] iwlwifi 0000:04:00.0: L1 Enabled; Disabling L0S [ 24.919869] iwlwifi 0000:04:00.0: device EEPROM VER=0x120, CALIB=0x4 [ 24.921403] iwlwifi 0000:04:00.0: Device SKU: 0xF0 [ 24.922924] iwlwifi 0000:04:00.0: Tunable channels: 13 802.11bg, 24 802.11a channels [ 24.943679] iwlwifi 0000:04:00.0: loaded firmware version 8.83.5.1 build 33692 [ 24.946313] Registered led device: phy0-led [ 24.978763] ieee80211 phy0: Selected rate control algorithm 'iwl-agn-rs' [ 25.032235] cfg80211: Calling CRDA for country: US [ 25.083063] cfg80211: Regulatory domain changed to country: US [ 25.084776] cfg80211: (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp) [ 25.086556] cfg80211: (2402000 KHz - 2472000 KHz @ 40000 KHz), (300 mBi, 2700 mBm) [ 25.088280] cfg80211: (5170000 KHz - 5250000 KHz @ 40000 KHz), (300 mBi, 1700 mBm) [ 25.089954] cfg80211: (5250000 KHz - 5330000 KHz @ 40000 KHz), (300 mBi, 2000 mBm) [ 25.091618] cfg80211: (5490000 KHz - 5600000 KHz @ 40000 KHz), (300 mBi, 2000 mBm) [ 25.093234] cfg80211: (5650000 KHz - 5710000 KHz @ 40000 KHz), (300 mBi, 2000 mBm) [ 25.095115] cfg80211: (5735000 KHz - 5835000 KHz @ 40000 KHz), (300 mBi, 3000 mBm) [ 36.649871] iwlwifi 0000:04:00.0: L1 Enabled; Disabling L0S [ 36.662470] iwlwifi 0000:04:00.0: Radio type=0x0-0x2-0x0 [ 36.825012] iwlwifi 0000:04:00.0: U iwl_trans_set_wr_ptrs Q 4 WrPtr: 0 [ 36.825012] iwlwifi 0000:04:00.0: U iwl_trans_tx_queue_set_status Activate AC/CMD Queue 0 on FIFO 3 [ 36.830829] iwlwifi 0000:04:00.0: U iwl_trans_tx_queue_set_status Activate AC/CMD Queue 1 on FIFO 2 [ 36.830829] iwlwifi 0000:04:00.0: U iwl_trans_tx_queue_set_status Activate AC/CMD Queue 2 on FIFO 1 [ 36.830829] iwlwifi 0000:04:00.0: U iwl_trans_tx_queue_set_status Activate AC/CMD Queue 3 on FIFO 0 [ 36.830829] iwlwifi 0000:04:00.0: U iwl_trans_tx_queue_set_status Activate AC/CMD Queue 4 on FIFO 7 [ 37.023008] iwlwifi 0000:04:00.0: L1 Enabled; Disabling L0S [ 37.033727] iwlwifi 0000:04:00.0: Radio type=0x0-0x2-0x0 [ 37.215009] iwlwifi 0000:04:00.0: U iwl_trans_set_wr_ptrs Q 4 WrPtr: 0 [ 37.215009] iwlwifi 0000:04:00.0: U iwl_trans_tx_queue_set_status Activate AC/CMD Queue 0 on FIFO 3 [ 37.215009] iwlwifi 0000:04:00.0: U iwl_trans_tx_queue_set_status Activate AC/CMD Queue 1 on FIFO 2 [ 37.215009] iwlwifi 0000:04:00.0: U iwl_trans_tx_queue_set_status Activate AC/CMD Queue 2 on FIFO 1 [ 37.222439] iwlwifi 0000:04:00.0: U iwl_trans_tx_queue_set_status Activate AC/CMD Queue 3 on FIFO 0 [ 37.222439] iwlwifi 0000:04:00.0: U iwl_trans_tx_queue_set_status Activate AC/CMD Queue 4 on FIFO 7 [ 37.321187] ADDRCONF(NETDEV_UP): wlan0: link is not ready [ 44.614100] wlan0: authenticate with b8:c7:5d:0c:39:88 (try 1) [ 44.815110] wlan0: authenticate with b8:c7:5d:0c:39:88 (try 2) [ 44.817695] wlan0: authenticated [ 44.839289] wlan0: associate with b8:c7:5d:0c:39:88 (try 1) [ 44.842270] wlan0: RX AssocResp from b8:c7:5d:0c:39:88 (capab=0x511 status=0 aid=3) [ 44.842270] wlan0: associated [ 44.842270] wlan0: moving STA b8:c7:5d:0c:39:88 to state 1 [ 44.842270] wlan0: moving STA b8:c7:5d:0c:39:88 to state 2 [ 44.862870] ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 44.866222] cfg80211: Calling CRDA for country: US [ 44.869918] iwlwifi 0000:04:00.0: I iwl_stop_queue Stop hwq 0 ac 0 stop count 1. Tx on passive channel [ 44.904744] cfg80211: Regulatory domain changed to country: US [ 44.905049] cfg80211: (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp) [ 44.905435] cfg80211: (2402000 KHz - 2472000 KHz @ 40000 KHz), (300 mBi, 2700 mBm) [ 44.905788] cfg80211: (5170000 KHz - 5250000 KHz @ 40000 KHz), (300 mBi, 1700 mBm) [ 44.906167] cfg80211: (5250000 KHz - 5330000 KHz @ 40000 KHz), (300 mBi, 2000 mBm) [ 44.906524] cfg80211: (5490000 KHz - 5600000 KHz @ 40000 KHz), (300 mBi, 2000 mBm) [ 44.906879] cfg80211: (5650000 KHz - 5710000 KHz @ 40000 KHz), (300 mBi, 2000 mBm) [ 44.907312] cfg80211: (5735000 KHz - 5835000 KHz @ 40000 KHz), (300 mBi, 3000 mBm) [ 44.937401] iwlwifi 0000:04:00.0: I iwl_trans_pcie_wake_any_queue Queue Status: Q[0] stopped [ 44.937789] iwlwifi 0000:04:00.0: I iwl_wake_queue Wake hwq 0 ac 0. channel got active [ 44.938089] iwlwifi 0000:04:00.0: I iwl_trans_pcie_wake_any_queue Queue Status: Q[1] awake [ 44.938089] iwlwifi 0000:04:00.0: I iwl_trans_pcie_wake_any_queue Queue Status: Q[2] awake [ 44.938089] iwlwifi 0000:04:00.0: I iwl_trans_pcie_wake_any_queue Queue Status: Q[3] awake [ 45.891438] wlan0: moving STA b8:c7:5d:0c:39:88 to state 3 [ 56.018088] wlan0: no IPv6 routers present [ 97.157673] iwlwifi 0000:04:00.0: U iwlagn_tx_agg_start Can proceed: ssn = next_recl = 137 [ 97.159663] iwlwifi 0000:04:00.0: U iwl_trans_set_wr_ptrs Q 11 WrPtr: 137 [ 97.159932] iwlwifi 0000:04:00.0: U iwl_trans_tx_queue_set_status Activate BA Queue 11 on FIFO 1 [ 97.160516] iwlwifi 0000:04:00.0: Tx aggregation enabled on ra = b8:c7:5d:0c:39:88 tid = 0 [ 111.136741] iwlwifi 0000:04:00.0: U iwlagn_tx_agg_stop Can proceed: ssn = next_recl = 194 [ 111.137162] iwlwifi 0000:04:00.0: U iwl_trans_set_wr_ptrs Q 11 WrPtr: 0 [ 111.137531] iwlwifi 0000:04:00.0: U iwl_trans_tx_queue_set_status Deactivate AC/CMD Queue 11 on FIFO 0 [ 147.455293] iwlwifi 0000:04:00.0: U iwlagn_tx_agg_start Can proceed: ssn = next_recl = 264 [ 147.456993] iwlwifi 0000:04:00.0: U iwl_trans_set_wr_ptrs Q 11 WrPtr: 8 [ 147.457027] iwlwifi 0000:04:00.0: U iwl_trans_tx_queue_set_status Activate BA Queue 11 on FIFO 1 [ 147.457830] iwlwifi 0000:04:00.0: Tx aggregation enabled on ra = b8:c7:5d:0c:39:88 tid = 0 [ 164.513842] iwlwifi 0000:04:00.0: U iwlagn_tx_agg_stop Can proceed: ssn = next_recl = 816 [ 164.514282] iwlwifi 0000:04:00.0: U iwl_trans_set_wr_ptrs Q 11 WrPtr: 0 [ 164.514664] iwlwifi 0000:04:00.0: U iwl_trans_tx_queue_set_status Deactivate AC/CMD Queue 11 on FIFO 0 [ 173.145695] iwlwifi 0000:04:00.0: U iwlagn_tx_agg_start Can proceed: ssn = next_recl = 869 [ 173.147133] iwlwifi 0000:04:00.0: U iwl_trans_set_wr_ptrs Q 11 WrPtr: 101 [ 173.147545] iwlwifi 0000:04:00.0: U iwl_trans_tx_queue_set_status Activate BA Queue 11 on FIFO 1 [ 173.148050] iwlwifi 0000:04:00.0: Tx aggregation enabled on ra = b8:c7:5d:0c:39:88 tid = 0 [ 192.805102] wlan0: authenticate with b8:c7:5d:0c:39:87 (try 1) [ 192.807392] wlan0: authenticated [ 192.814840] iwlwifi 0000:04:00.0: U iwlagn_tx_agg_stop Can't proceed: ssn 1633, next_recl = 139 [ 192.818669] wlan0: moving STA b8:c7:5d:0c:39:88 to state 2 [ 192.818939] wlan0: moving STA b8:c7:5d:0c:39:88 to state 1 [ 192.819206] wlan0: moving STA b8:c7:5d:0c:39:88 to state 0 [ 192.824157] wlan0: associate with b8:c7:5d:0c:39:87 (try 1) [ 192.828014] wlan0: RX ReassocResp from b8:c7:5d:0c:39:87 (capab=0x431 status=0 aid=3) [ 192.828372] wlan0: associated [ 192.828515] wlan0: moving STA b8:c7:5d:0c:39:87 to state 1 [ 192.828713] wlan0: moving STA b8:c7:5d:0c:39:87 to state 2 [ 193.853664] wlan0: moving STA b8:c7:5d:0c:39:87 to state 3 [ 278.421399] iwlwifi 0000:04:00.0: U iwlagn_tx_agg_start Can proceed: ssn = next_recl = 165 [ 278.423946] iwlwifi 0000:04:00.0: U iwl_trans_set_wr_ptrs Q 12 WrPtr: 165 [ 278.424007] iwlwifi 0000:04:00.0: U iwl_trans_tx_queue_set_status Activate BA Queue 12 on FIFO 1 [ 278.424835] iwlwifi 0000:04:00.0: Tx aggregation enabled on ra = b8:c7:5d:0c:39:87 tid = 0 [ 285.176431] iwlwifi 0000:04:00.0: I iwl_stop_queue Stop hwq 12 ac 2 stop count 1. Queue is full [ 290.304163] iwlwifi 0000:04:00.0: U iwlagn_tx_agg_stop Can't proceed: ssn 397, next_recl = 174 At this point I unloaded, and reloaded the module. I had to do this several times until it finally came back up. Shortly afterwards.. [ 599.752969] wlan0: authenticate with b8:c7:5d:0c:39:87 (try 1) [ 599.755359] wlan0: authenticated [ 599.762131] iwlwifi 0000:04:00.0: I iwl_stop_queue Stop hwq 0 ac 0 stop count 1. Tx on passive channel [ 599.774132] iwlwifi 0000:04:00.0: U iwl_trans_pcie_wake_any_queue Queue Status: Q[0] stopped [ 599.774551] iwlwifi 0000:04:00.0: U iwl_wake_queue Wake hwq 0 ac 0. Disassoc: flush queue [ 599.774921] iwlwifi 0000:04:00.0: U iwl_trans_pcie_wake_any_queue Queue Status: Q[1] awake [ 599.775779] iwlwifi 0000:04:00.0: U iwl_trans_pcie_wake_any_queue Queue Status: Q[2] awake [ 599.776515] iwlwifi 0000:04:00.0: U iwl_trans_pcie_wake_any_queue Queue Status: Q[3] awake [ 599.777198] iwlwifi 0000:04:00.0: I iwl_stop_queue Stop hwq 0 ac 0 stop count 1. Tx on passive channel [ 599.782692] wlan0: moving STA b8:c7:5d:0c:39:88 to state 2 [ 599.782964] wlan0: moving STA b8:c7:5d:0c:39:88 to state 1 [ 599.783538] wlan0: moving STA b8:c7:5d:0c:39:88 to state 0 [ 599.790449] wlan0: associate with b8:c7:5d:0c:39:87 (try 1) [ 599.990029] wlan0: associate with b8:c7:5d:0c:39:87 (try 2) [ 600.190028] wlan0: associate with b8:c7:5d:0c:39:87 (try 3) [ 600.390029] wlan0: association with b8:c7:5d:0c:39:87 timed out [ 608.005916] wlan0: authenticate with b8:c7:5d:0c:39:87 (try 1) [ 608.206036] wlan0: authenticate with b8:c7:5d:0c:39:87 (try 2) [ 608.406036] wlan0: authenticate with b8:c7:5d:0c:39:87 (try 3) [ 608.607032] wlan0: authentication with b8:c7:5d:0c:39:87 timed out [ 616.193769] wlan0: authenticate with b8:c7:5d:0c:39:87 (try 1) [ 616.394070] wlan0: authenticate with b8:c7:5d:0c:39:87 (try 2) [ 616.594039] wlan0: authenticate with b8:c7:5d:0c:39:87 (try 3) [ 616.794053] wlan0: authentication with b8:c7:5d:0c:39:87 timed out [ 619.373114] wlan0: authenticate with b8:c7:5d:0c:39:87 (try 1) [ 619.573124] wlan0: authenticate with b8:c7:5d:0c:39:87 (try 2) [ 619.773146] wlan0: authenticate with b8:c7:5d:0c:39:87 (try 3) [ 619.973146] wlan0: authentication with b8:c7:5d:0c:39:87 timed out [ 627.666387] wlan0: authenticate with b8:c7:5d:0c:39:87 (try 1) [ 627.866077] wlan0: authenticate with b8:c7:5d:0c:39:87 (try 2) [ 628.066146] wlan0: authenticate with b8:c7:5d:0c:39:87 (try 3) [ 628.266121] wlan0: authentication with b8:c7:5d:0c:39:87 timed out [ 635.854105] wlan0: authenticate with b8:c7:5d:0c:39:87 (try 1) [ 636.054043] wlan0: authenticate with b8:c7:5d:0c:39:87 (try 2) [ 636.254134] wlan0: authenticate with b8:c7:5d:0c:39:87 (try 3) [ 636.454125] wlan0: authentication with b8:c7:5d:0c:39:87 timed out and dead again. 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