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Date: Wed, 11 Jan 2012 20:38:22 +0000 From: "Grumbach, Emmanuel" <emmanuel.grumbach@...el.com> To: Dave Jones <davej@...hat.com> CC: Dan Williams <dcbw@...hat.com>, "netdev@...r.kernel.org" <netdev@...r.kernel.org>, "Guy, Wey-Yi W" <wey-yi.w.guy@...el.com>, Linux Wireless <linux-wireless@...r.kernel.org> Subject: RE: iwlwifi worse than ever in current git. > > Ok, here's a fresh log. > > wireless was working, (with 11n_disable=1) > > unload, and reload without the 11n_disable=1 .. > > [16421.730025] wlan0: deauthenticating from b8:c7:5d:0c:39:87 by local choice > (reason=3) > [16421.735002] ieee80211 phy0: failed to remove key (1, ff:ff:ff:ff:ff:ff) > from hardware (-16) > [16421.736095] ieee80211 phy0: failed to remove key (2, ff:ff:ff:ff:ff:ff) > from hardware (-16) > [16421.737548] ieee80211 phy0: failed to remove key (0, b8:c7:5d:0c:39:87) > from hardware (-16) > [16421.738400] wlan0: moving STA b8:c7:5d:0c:39:87 to state 2 > [16421.738646] wlan0: moving STA b8:c7:5d:0c:39:87 to state 1 > [16421.738878] wlan0: moving STA b8:c7:5d:0c:39:87 to state 0 > [16421.741175] cfg80211: Calling CRDA to update world regulatory domain > [16421.777981] iwlwifi 0000:04:00.0: PCI INT A disabled > [16421.803665] cfg80211: World regulatory domain updated: > [16421.803924] cfg80211: (start_freq - end_freq @ bandwidth), > (max_antenna_gain, max_eirp) > [16421.808846] cfg80211: (2402000 KHz - 2472000 KHz @ 40000 KHz), (300 mBi, > 2000 mBm) > [16421.811357] cfg80211: (2457000 KHz - 2482000 KHz @ 20000 KHz), (300 mBi, > 2000 mBm) > [16421.811739] cfg80211: (2474000 KHz - 2494000 KHz @ 20000 KHz), (300 mBi, > 2000 mBm) > [16421.812193] cfg80211: (5170000 KHz - 5250000 KHz @ 40000 KHz), (300 mBi, > 2000 mBm) > [16421.812566] cfg80211: (5735000 KHz - 5835000 KHz @ 40000 KHz), (300 mBi, > 2000 mBm) > [16421.820504] cfg80211: Calling CRDA for country: US > [16421.918341] cfg80211: Calling CRDA to update world regulatory domain > [16421.949295] cfg80211: World regulatory domain updated: > [16421.949559] cfg80211: (start_freq - end_freq @ bandwidth), > (max_antenna_gain, max_eirp) > [16421.949966] cfg80211: (2402000 KHz - 2472000 KHz @ 40000 KHz), (300 mBi, > 2000 mBm) > [16421.950851] cfg80211: (2457000 KHz - 2482000 KHz @ 20000 KHz), (300 mBi, > 2000 mBm) > [16421.951528] cfg80211: (2474000 KHz - 2494000 KHz @ 20000 KHz), (300 mBi, > 2000 mBm) > [16421.951911] cfg80211: (5170000 KHz - 5250000 KHz @ 40000 KHz), (300 mBi, > 2000 mBm) > [16421.952651] cfg80211: (5735000 KHz - 5835000 KHz @ 40000 KHz), (300 mBi, > 2000 mBm) > [16422.035828] Intel(R) Wireless WiFi Link AGN driver for Linux, in-tree:d > [16422.036165] Copyright(c) 2003-2011 Intel Corporation > [16422.036582] iwlwifi 0000:04:00.0: PCI INT A -> GSI 17 (level, low) -> IRQ > 17 > [16422.036957] iwlwifi 0000:04:00.0: setting latency timer to 64 > [16422.037338] iwlwifi 0000:04:00.0: pci_resource_len = 0x00002000 > [16422.037620] iwlwifi 0000:04:00.0: pci_resource_base = ffffc90011560000 > [16422.037930] iwlwifi 0000:04:00.0: HW Revision ID = 0x0 > [16422.038381] iwlwifi 0000:04:00.0: irq 46 for MSI/MSI-X > [16422.038915] iwlwifi 0000:04:00.0: CONFIG_IWLWIFI_DEBUG enabled > [16422.041287] iwlwifi 0000:04:00.0: CONFIG_IWLWIFI_DEBUGFS enabled > [16422.041569] iwlwifi 0000:04:00.0: CONFIG_IWLWIFI_DEVICE_TRACING enabled > [16422.041881] iwlwifi 0000:04:00.0: CONFIG_IWLWIFI_DEVICE_TESTMODE enabled > [16422.042213] iwlwifi 0000:04:00.0: CONFIG_IWLWIFI_P2P disabled > [16422.042517] iwlwifi 0000:04:00.0: Detected Intel(R) Ultimate N WiFi Link > 5300 AGN, REV=0x24 > [16422.043276] iwlwifi 0000:04:00.0: L1 Enabled; Disabling L0S > [16422.075500] iwlwifi 0000:04:00.0: device EEPROM VER=0x120, CALIB=0x4 > [16422.075809] iwlwifi 0000:04:00.0: Device SKU: 0xF0 > [16422.076390] iwlwifi 0000:04:00.0: Tunable channels: 13 802.11bg, 24 802.11a > channels > [16422.121284] iwlwifi 0000:04:00.0: loaded firmware version 8.83.5.1 build > 33692 > [16422.122291] Registered led device: phy0-led > [16422.124681] ieee80211 phy0: Selected rate control algorithm 'iwl-agn-rs' > [16422.155786] iwlwifi 0000:04:00.0: L1 Enabled; Disabling L0S > [16422.159119] iwlwifi 0000:04:00.0: Radio type=0x0-0x2-0x0 > [16422.201065] iwlwifi 0000:04:00.0: U iwl_trans_set_wr_ptrs Q 4 WrPtr: 0 > [16422.201065] iwlwifi 0000:04:00.0: U iwl_trans_tx_queue_set_status Activate > AC/CMD Queue 0 on FIFO 3 > [16422.201065] iwlwifi 0000:04:00.0: U iwl_trans_tx_queue_set_status Activate > AC/CMD Queue 1 on FIFO 2 > [16422.201065] iwlwifi 0000:04:00.0: U iwl_trans_tx_queue_set_status Activate > AC/CMD Queue 2 on FIFO 1 > [16422.201065] iwlwifi 0000:04:00.0: U iwl_trans_tx_queue_set_status Activate > AC/CMD Queue 3 on FIFO 0 > [16422.201065] iwlwifi 0000:04:00.0: U iwl_trans_tx_queue_set_status Activate > AC/CMD Queue 4 on FIFO 7 > [16422.263369] cfg80211: Calling CRDA for country: US > [16422.287176] cfg80211: Regulatory domain changed to country: US > [16422.287457] cfg80211: (start_freq - end_freq @ bandwidth), > (max_antenna_gain, max_eirp) > [16422.287849] cfg80211: (2402000 KHz - 2472000 KHz @ 40000 KHz), (300 mBi, > 2700 mBm) > [16422.288337] cfg80211: (5170000 KHz - 5250000 KHz @ 40000 KHz), (300 mBi, > 1700 mBm) > [16422.288703] cfg80211: (5250000 KHz - 5330000 KHz @ 40000 KHz), (300 mBi, > 2000 mBm) > [16422.289090] cfg80211: (5490000 KHz - 5600000 KHz @ 40000 KHz), (300 mBi, > 2000 mBm) > [16422.289455] cfg80211: (5650000 KHz - 5710000 KHz @ 40000 KHz), (300 mBi, > 2000 mBm) > [16422.289824] cfg80211: (5735000 KHz - 5835000 KHz @ 40000 KHz), (300 mBi, > 3000 mBm) > [16422.318523] iwlwifi 0000:04:00.0: L1 Enabled; Disabling L0S > [16422.321880] iwlwifi 0000:04:00.0: Radio type=0x0-0x2-0x0 > [16422.360115] iwlwifi 0000:04:00.0: U iwl_trans_set_wr_ptrs Q 4 WrPtr: 0 > [16422.360115] iwlwifi 0000:04:00.0: U iwl_trans_tx_queue_set_status Activate > AC/CMD Queue 0 on FIFO 3 > [16422.360115] iwlwifi 0000:04:00.0: U iwl_trans_tx_queue_set_status Activate > AC/CMD Queue 1 on FIFO 2 > [16422.360115] iwlwifi 0000:04:00.0: U iwl_trans_tx_queue_set_status Activate > AC/CMD Queue 2 on FIFO 1 > [16422.360115] iwlwifi 0000:04:00.0: U iwl_trans_tx_queue_set_status Activate > AC/CMD Queue 3 on FIFO 0 > [16422.360115] iwlwifi 0000:04:00.0: U iwl_trans_tx_queue_set_status Activate > AC/CMD Queue 4 on FIFO 7 > [16422.376787] ADDRCONF(NETDEV_UP): wlan0: link is not ready > [16427.671916] wlan0: authenticate with b8:c7:5d:0c:39:87 (try 1) > [16427.674716] wlan0: authenticated > [16427.678205] wlan0: associate with b8:c7:5d:0c:39:87 (try 1) > [16427.681953] wlan0: RX AssocResp from b8:c7:5d:0c:39:87 (capab=0x431 > status=0 aid=3) > [16427.682325] wlan0: associated > [16427.682473] wlan0: moving STA b8:c7:5d:0c:39:87 to state 1 > [16427.682731] wlan0: moving STA b8:c7:5d:0c:39:87 to state 2 > [16427.700757] ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready > [16427.701667] cfg80211: Calling CRDA for country: US > [16427.721184] cfg80211: Regulatory domain changed to country: US > [16427.721455] cfg80211: (start_freq - end_freq @ bandwidth), > (max_antenna_gain, max_eirp) > [16427.721829] cfg80211: (2402000 KHz - 2472000 KHz @ 40000 KHz), (300 mBi, > 2700 mBm) > [16427.722199] cfg80211: (5170000 KHz - 5250000 KHz @ 40000 KHz), (300 mBi, > 1700 mBm) > [16427.722566] cfg80211: (5250000 KHz - 5330000 KHz @ 40000 KHz), (300 mBi, > 2000 mBm) > [16427.722924] cfg80211: (5490000 KHz - 5600000 KHz @ 40000 KHz), (300 mBi, > 2000 mBm) > [16427.723289] cfg80211: (5650000 KHz - 5710000 KHz @ 40000 KHz), (300 mBi, > 2000 mBm) > [16427.723651] cfg80211: (5735000 KHz - 5835000 KHz @ 40000 KHz), (300 mBi, > 3000 mBm) > [16428.706438] wlan0: moving STA b8:c7:5d:0c:39:87 to state 3 > [16438.802048] wlan0: no IPv6 routers present > > wifi is back up. > > Shortly afterwards .. > > > [16520.224964] iwlwifi 0000:04:00.0: U iwlagn_tx_agg_start Can proceed: ssn = > next_recl = 124 > [16520.228038] iwlwifi 0000:04:00.0: U iwl_trans_set_wr_ptrs Q 11 WrPtr: 124 > [16520.228358] iwlwifi 0000:04:00.0: U iwl_trans_tx_queue_set_status Activate > BA Queue 11 on FIFO 1 > [16520.229059] iwlwifi 0000:04:00.0: Tx aggregation enabled on ra = > b8:c7:5d:0c:39:87 tid = 0 > [16531.888296] iwlwifi 0000:04:00.0: U iwlagn_tx_agg_stop Can proceed: ssn = > next_recl = 631 > [16531.888793] iwlwifi 0000:04:00.0: U iwl_trans_set_wr_ptrs Q 11 WrPtr: 0 > [16531.889247] iwlwifi 0000:04:00.0: U iwl_trans_tx_queue_set_status > Deactivate AC/CMD Queue 11 on FIFO 0 > [16552.504609] iwlwifi 0000:04:00.0: U iwlagn_tx_agg_start Can proceed: ssn = > next_recl = 697 > [16552.508182] iwlwifi 0000:04:00.0: U iwl_trans_set_wr_ptrs Q 11 WrPtr: 185 > [16552.508609] iwlwifi 0000:04:00.0: U iwl_trans_tx_queue_set_status Activate > BA Queue 11 on FIFO 1 > [16552.509077] iwlwifi 0000:04:00.0: Tx aggregation enabled on ra = > b8:c7:5d:0c:39:87 tid = 0 > [16564.084058] iwlwifi 0000:04:00.0: U iwlagn_tx_agg_stop Can proceed: ssn = > next_recl = 1241 > [16564.084506] iwlwifi 0000:04:00.0: U iwl_trans_set_wr_ptrs Q 11 WrPtr: 0 > [16564.084903] iwlwifi 0000:04:00.0: U iwl_trans_tx_queue_set_status > Deactivate AC/CMD Queue 11 on FIFO 0 > [16568.975872] iwlwifi 0000:04:00.0: U iwlagn_tx_agg_start Can proceed: ssn = > next_recl = 1298 > [16568.978796] iwlwifi 0000:04:00.0: U iwl_trans_set_wr_ptrs Q 11 WrPtr: 18 > [16568.979007] iwlwifi 0000:04:00.0: U iwl_trans_tx_queue_set_status Activate > BA Queue 11 on FIFO 1 > [16568.979734] iwlwifi 0000:04:00.0: Tx aggregation enabled on ra = > b8:c7:5d:0c:39:87 tid = 0 > [16580.004052] iwlwifi 0000:04:00.0: U iwlagn_tx_agg_stop Can't proceed: ssn > 1491, next_recl = 150 > I understand there is nothing afterwards... This is really weird. The sequence numbers here are really crazy... I need to think that over. > > A possibly interesting datapoint, is that it seems I can make this happen > faster > if there's disk IO going on (I ran a make clean on a kernel tree in this > case). > Might be entirely coincidental, but thought I'd mention it.. > Ok, thanks for the info. --------------------------------------------------------------------- Intel Israel (74) Limited This e-mail and any attachments may contain confidential material for the sole use of the intended recipient(s). Any review or distribution by others is strictly prohibited. If you are not the intended recipient, please contact the sender and delete all copies. -- 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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