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Date: Wed, 23 Nov 2011 21:50:47 +0100 From: Arnd Hannemann <arnd@...dnet.de> To: Emmanuel Grumbach <egrumbach@...il.com> CC: linux-wireless@...r.kernel.org, linux-kernel@...r.kernel.org Subject: Re: 3.2.0-rc2: WARNING: at iwlwifi/wl-trans-pcie.c:1105 Am 22.11.2011 12:47, schrieb Emmanuel Grumbach: >> >> additional to the WARNING wireless with iwlwifi seems to be very flaky on 3.2.0-rc2. >> Ping to the AP goes up to 4-5s in some periods (with network generally idle). >> Here is some more info about the Hardware: >> >> [ 11.133719] iwlwifi 0000:03:00.0: HW Revision ID = 0x35 >> [ 11.133825] iwlwifi 0000:03:00.0: irq 46 for MSI/MSI-X >> [ 11.133865] iwlwifi 0000:03:00.0: Detected Intel(R) Centrino(R) Ultimate-N 6300 AGN, REV=0x74 >> [ 11.133931] iwlwifi 0000:03:00.0: L1 Disabled; Enabling L0S >> [ 11.150077] iwlwifi 0000:03:00.0: device EEPROM VER=0x436, CALIB=0x6 >> [ 11.150081] iwlwifi 0000:03:00.0: Device SKU: 0X1f0 >> [ 11.150083] iwlwifi 0000:03:00.0: Valid Tx ant: 0X7, Valid Rx ant: 0X7 >> [ 11.150648] iwlwifi 0000:03:00.0: Tunable channels: 13 802.11bg, 24 802.11a channels >> [ 11.417837] iwlwifi 0000:03:00.0: loaded firmware version 9.221.4.1 build 25532 >> >> If you need some more info, please don't hesitate to ask. >> > > Yeah I know about that one. I haven't found the time to look at it yet. > I do have a patch that can help to debug. This patch will be sent > through the regular channel. > I am considering to remove the warning though I applied the QUEUE_DEBUG.patch you posted in the other thread, not sure if I'm experiencing the same problem: [38275.502526] iwlwifi 0000:03:00.0: Tx aggregation enabled on ra = 30:46:9a:XX:XX:XX tid = 0 [38283.406370] iwlwifi 0000:03:00.0: U iwl_trans_pcie_tx_agg_disable HW queue is empty [38283.406460] iwlwifi 0000:03:00.0: U iwl_trans_tx_queue_set_status Deactivate AC/CMD Queue 11 on FIFO 0 [38290.363252] iwlwifi 0000:03:00.0: U iwl_trans_pcie_tx_agg_alloc HW queue is empty [38291.358619] iwlwifi 0000:03:00.0: U iwl_trans_pcie_tx_agg_disable HW queue is empty [38291.358713] iwlwifi 0000:03:00.0: U iwl_trans_tx_queue_set_status Deactivate AC/CMD Queue 11 on FIFO 0 [38296.788459] iwlwifi 0000:03:00.0: U iwl_trans_tx_queue_set_status Deactivate BA Queue 11 on FIFO 1 [38296.788475] iwlwifi 0000:03:00.0: Tx aggregation enabled on ra = 30:46:9a:XX:XX:XX tid = 0 [38296.788489] ------------[ cut here ]------------ [38296.788518] WARNING: at /home/arnd/Projekte/kernel/linux-2.6/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c:1106 iwl_trans_pcie_tx+0xb71/0xb90 [iwlwifi]() [38296.788526] Hardware name: 4384GEG [38296.788529] Modules linked in: iwlwifi ip6table_filter ip6_tables bnep rfcomm ipt_MASQUERADE iptable_nat nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 xt_state nf_conntrack ipt_REJECT xt_CHECKSUM iptable_mangle xt_tcpudp iptable_filter ip_tables x_tables bridge stp llc kvm_intel kvm joydev dm_crypt snd_hda_codec_hdmi snd_hda_codec_conexant snd_hda_intel snd_hda_codec snd_hwdep snd_pcm arc4 snd_seq_midi snd_rawmidi binfmt_misc snd_seq_midi_event psmouse qcserial usb_wwan serio_raw snd_seq usbserial intel_ips btusb snd_timer snd_seq_device bluetooth mac80211 tpm_tis thinkpad_acpi cfg80211 nvram snd mei(C) soundcore snd_page_alloc btrfs zlib_deflate libcrc32c mxm_wmi e1000e ahci libahci sdhci_pci sdhci firewire_ohci i915 firewire_core drm_kms_helper crc_itu_t drm i2c_algo_bit wmi video [last unloaded: iwlwifi] [38296.788663] Pid: 6243, comm: kworker/u:23 Tainted: G WC 3.2.0-rc2-aha+ #7 [38296.788668] Call Trace: [38296.788672] <IRQ> [<ffffffff81062b9f>] warn_slowpath_common+0x7f/0xc0 [38296.788690] [<ffffffff81062bfa>] warn_slowpath_null+0x1a/0x20 [38296.788712] [<ffffffffa0580fd1>] iwl_trans_pcie_tx+0xb71/0xb90 [iwlwifi] [38296.788724] [<ffffffff814f2b1d>] ? consume_skb+0x3d/0xb0 [38296.788749] [<ffffffffa028a0c8>] ? ccmp_encrypt_skb.isra.4+0x108/0x230 [mac80211] [38296.788759] [<ffffffff8105a592>] ? default_wake_function+0x12/0x20 [38296.788767] [<ffffffff81086100>] ? remove_wait_queue+0x60/0x70 [38296.788784] [<ffffffffa05623e1>] ? iwlagn_tx_skb+0x161/0xb90 [iwlwifi] [38296.788802] [<ffffffffa056277f>] iwlagn_tx_skb+0x4ff/0xb90 [iwlwifi] [38296.788815] [<ffffffffa0559491>] iwlagn_mac_tx+0x121/0x1c0 [iwlwifi] [38296.788824] [<ffffffff8103aa39>] ? default_spin_lock_flags+0x9/0x10 [38296.788849] [<ffffffffa02a2506>] __ieee80211_tx+0x76/0x230 [mac80211] [38296.788873] [<ffffffffa02a451c>] ieee80211_tx+0x8c/0xc0 [mac80211] [38296.788896] [<ffffffffa02a53fd>] ieee80211_tx_pending+0x7d/0x220 [mac80211] [38296.788905] [<ffffffff8106a20d>] ? __do_softirq+0xfd/0x210 [38296.788913] [<ffffffff81069b78>] tasklet_action+0x78/0x140 [38296.788920] [<ffffffff8106a1b8>] __do_softirq+0xa8/0x210 [38296.788930] [<ffffffff8160e5ac>] call_softirq+0x1c/0x30 [38296.788934] <EOI> [<ffffffff81015195>] do_softirq+0x65/0xa0 [38296.788950] [<ffffffff8106a104>] local_bh_enable_ip+0x94/0xa0 [38296.788958] [<ffffffff816043f9>] _raw_spin_unlock_bh+0x19/0x20 [38296.788980] [<ffffffffa028d8a9>] ieee80211_agg_tx_operational+0xb9/0xd0 [mac80211] [38296.789002] [<ffffffffa0296a78>] ? ieee80211_iface_work+0xd8/0x350 [mac80211] [38296.789023] [<ffffffffa028e0fe>] ieee80211_process_addba_resp+0x11e/0x120 [mac80211] [38296.789045] [<ffffffffa0296c9f>] ieee80211_iface_work+0x2ff/0x350 [mac80211] [38296.789068] [<ffffffffa02969a0>] ? ieee80211_teardown_sdata+0xe0/0xe0 [mac80211] [38296.789078] [<ffffffff8108023a>] process_one_work+0x11a/0x480 [38296.789085] [<ffffffff81080fc4>] worker_thread+0x164/0x370 [38296.789093] [<ffffffff81080e60>] ? manage_workers.isra.30+0x230/0x230 [38296.789099] [<ffffffff8108573c>] kthread+0x8c/0xa0 [38296.789105] [<ffffffff8160e4b4>] kernel_thread_helper+0x4/0x10 [38296.789111] [<ffffffff810856b0>] ? flush_kthread_worker+0xa0/0xa0 [38296.789119] [<ffffffff8160e4b0>] ? gs_change+0x13/0x13 [38296.789123] ---[ end trace 201230ed6208edbf ]--- [38298.939515] iwlwifi 0000:03:00.0: Queue 11 stuck for 2000 ms. [38298.939523] iwlwifi 0000:03:00.0: Current read_ptr 197 write_ptr 2 [38298.939528] iwlwifi 0000:03:00.0: On demand firmware reload [38298.939926] ieee80211 phy3: Hardware restart was requested [38298.940032] iwlwifi 0000:03:00.0: L1 Disabled; Enabling L0S [38298.940167] iwlwifi 0000:03:00.0: Radio type=0x0-0x3-0x1 [38299.006160] iwlwifi 0000:03:00.0: U iwl_trans_tx_queue_set_status Activate AC/CMD Queue 0 on FIFO 3 [38299.006180] iwlwifi 0000:03:00.0: U iwl_trans_tx_queue_set_status Activate AC/CMD Queue 1 on FIFO 2 [38299.006197] iwlwifi 0000:03:00.0: U iwl_trans_tx_queue_set_status Activate AC/CMD Queue 2 on FIFO 1 [38299.006214] iwlwifi 0000:03:00.0: U iwl_trans_tx_queue_set_status Activate AC/CMD Queue 3 on FIFO 0 [38299.006230] iwlwifi 0000:03:00.0: U iwl_trans_tx_queue_set_status Activate AC/CMD Queue 4 on FIFO 7 [38301.596322] iwlwifi 0000:03:00.0: U iwl_trans_pcie_tx_agg_alloc HW queue is NOT empty: 60 packets in HW queue [38306.705156] iwlwifi 0000:03:00.0: U iwl_trans_tx_queue_set_status Deactivate AC/CMD Queue 11 on FIFO 0 [38306.820030] iwlwifi 0000:03:00.0: U iwl_trans_pcie_tx_agg_alloc HW queue is NOT empty: 60 packets in HW queue [38311.921881] iwlwifi 0000:03:00.0: U iwl_trans_tx_queue_set_status Deactivate AC/CMD Queue 11 on FIFO 0 [38312.027099] iwlwifi 0000:03:00.0: U iwl_trans_pcie_tx_agg_alloc HW queue is NOT empty: 70 packets in HW queue [38317.138756] iwlwifi 0000:03:00.0: U iwl_trans_tx_queue_set_status Deactivate AC/CMD Queue 11 on FIFO 0 [38317.235476] iwlwifi 0000:03:00.0: U iwl_trans_pcie_tx_agg_alloc HW queue is NOT empty: 140 packets in HW queue [38322.424187] iwlwifi 0000:03:00.0: U iwl_trans_tx_queue_set_status Deactivate AC/CMD Queue 11 on FIFO 0 [38322.767875] iwlwifi 0000:03:00.0: U iwl_trans_pcie_tx_agg_alloc HW queue is NOT empty: 60 packets in HW queue [38327.939631] iwlwifi 0000:03:00.0: U iwl_trans_tx_queue_set_status Deactivate AC/CMD Queue 11 on FIFO 0 [38328.086516] iwlwifi 0000:03:00.0: U iwl_trans_pcie_tx_agg_alloc HW queue is NOT empty: 60 packets in HW queue [38333.251181] iwlwifi 0000:03:00.0: U iwl_trans_tx_queue_set_status Deactivate AC/CMD Queue 11 on FIFO 0 [38333.540666] iwlwifi 0000:03:00.0: U iwl_trans_pcie_tx_agg_alloc HW queue is NOT empty: 60 packets in HW queue [38338.766575] iwlwifi 0000:03:00.0: U iwl_trans_tx_queue_set_status Deactivate AC/CMD Queue 11 on FIFO 0 [38338.969220] iwlwifi 0000:03:00.0: U iwl_trans_pcie_tx_agg_alloc HW queue is NOT empty: 60 packets in HW queue [38344.282421] iwlwifi 0000:03:00.0: U iwl_trans_tx_queue_set_status Deactivate AC/CMD Queue 11 on FIFO 0 [38344.409610] iwlwifi 0000:03:00.0: U iwl_trans_pcie_tx_agg_alloc HW queue is NOT empty: 60 packets in HW queue [38349.593755] iwlwifi 0000:03:00.0: U iwl_trans_tx_queue_set_status Deactivate AC/CMD Queue 11 on FIFO 0 [38349.680482] iwlwifi 0000:03:00.0: U iwl_trans_pcie_tx_agg_alloc HW queue is NOT empty: 60 packets in HW queue [38354.905092] iwlwifi 0000:03:00.0: U iwl_trans_tx_queue_set_status Deactivate AC/CMD Queue 11 on FIFO 0 [38355.233118] iwlwifi 0000:03:00.0: U iwl_trans_pcie_tx_agg_alloc HW queue is NOT empty: 60 packets in HW queue [38360.420658] iwlwifi 0000:03:00.0: U iwl_trans_tx_queue_set_status Deactivate AC/CMD Queue 11 on FIFO 0 [38361.314785] iwlwifi 0000:03:00.0: U iwl_trans_pcie_tx_agg_alloc HW queue is NOT empty: 60 packets in HW queue [38376.705700] iwlwifi 0000:03:00.0: U iwl_trans_tx_queue_set_status Deactivate AC/CMD Queue 11 on FIFO 0 [38377.554487] iwlwifi 0000:03:00.0: U iwl_trans_pcie_tx_agg_alloc HW queue is NOT empty: 59 packets in HW queue [38382.687399] iwlwifi 0000:03:00.0: U iwl_trans_tx_queue_set_status Deactivate AC/CMD Queue 11 on FIFO 0 [38383.068691] iwlwifi 0000:03:00.0: U iwl_trans_pcie_tx_agg_alloc HW queue is NOT empty: 59 packets in HW queue [38388.203087] iwlwifi 0000:03:00.0: U iwl_trans_tx_queue_set_status Deactivate AC/CMD Queue 11 on FIFO 0 [38388.297090] iwlwifi 0000:03:00.0: U iwl_trans_pcie_tx_agg_alloc HW queue is NOT empty: 59 packets in HW queue [38393.514383] iwlwifi 0000:03:00.0: U iwl_trans_tx_queue_set_status Deactivate AC/CMD Queue 11 on FIFO 0 [38393.609374] iwlwifi 0000:03:00.0: U iwl_trans_pcie_tx_agg_alloc HW queue is NOT empty: 69 packets in HW queue [38398.825772] iwlwifi 0000:03:00.0: U iwl_trans_tx_queue_set_status Deactivate AC/CMD Queue 11 on FIFO 0 [38399.038167] iwlwifi 0000:03:00.0: U iwl_trans_pcie_tx_agg_alloc HW queue is NOT empty: 59 packets in HW queue [38404.138245] iwlwifi 0000:03:00.0: U iwl_trans_tx_queue_set_status Deactivate AC/CMD Queue 11 on FIFO 0 [38404.794215] iwlwifi 0000:03:00.0: U iwl_trans_pcie_tx_agg_alloc HW queue is NOT empty: 59 packets in HW queue [38410.061196] iwlwifi 0000:03:00.0: U iwl_trans_tx_queue_set_status Deactivate AC/CMD Queue 11 on FIFO 0 [38411.198133] iwlwifi 0000:03:00.0: U iwl_trans_pcie_tx_agg_alloc HW queue is NOT empty: 59 packets in HW queue [38416.393938] iwlwifi 0000:03:00.0: U iwl_trans_tx_queue_set_status Deactivate AC/CMD Queue 11 on FIFO 0 [38416.527477] iwlwifi 0000:03:00.0: U iwl_trans_pcie_tx_agg_alloc HW queue is NOT empty: 110 packets in HW queue [38421.705324] iwlwifi 0000:03:00.0: U iwl_trans_tx_queue_set_status Deactivate AC/CMD Queue 11 on FIFO 0 [38421.797204] iwlwifi 0000:03:00.0: U iwl_trans_pcie_tx_agg_alloc HW queue is NOT empty: 87 packets in HW queue [38427.016619] iwlwifi 0000:03:00.0: U iwl_trans_tx_queue_set_status Deactivate AC/CMD Queue 11 on FIFO 0 [38429.109294] iwlwifi 0000:03:00.0: U iwl_trans_pcie_tx_agg_alloc HW queue is NOT empty: 59 packets in HW queue [38434.211841] iwlwifi 0000:03:00.0: U iwl_trans_tx_queue_set_status Deactivate AC/CMD Queue 11 on FIFO 0 [38435.229973] iwlwifi 0000:03:00.0: U iwl_trans_pcie_tx_agg_alloc HW queue is NOT empty: 59 packets in HW queue [38473.797319] wlan0: deauthenticated from 30:46:9a:XX:XX:XX (Reason: 7) [38473.797417] iwlwifi 0000:03:00.0: U iwl_trans_tx_queue_set_status Deactivate AC/CMD Queue 11 on FIFO 0 [38473.819945] iwlwifi 0000:03:00.0: Stopping AGG while state not ON or starting for 0 on 0 (0) Best regards, Arnd -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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