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[23.128.96.18]) by mx.google.com with ESMTP id a23si114334ejy.682.2020.11.19.08.44.42; Thu, 19 Nov 2020 08:45:04 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@gmail.com header.s=20161025 header.b=rqbbYnI8; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728026AbgKSQmt (ORCPT + 99 others); Thu, 19 Nov 2020 11:42:49 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56378 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725877AbgKSQms (ORCPT ); Thu, 19 Nov 2020 11:42:48 -0500 Received: from mail-lj1-x243.google.com (mail-lj1-x243.google.com [IPv6:2a00:1450:4864:20::243]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6206AC0613CF; Thu, 19 Nov 2020 08:42:48 -0800 (PST) Received: by mail-lj1-x243.google.com with SMTP id l10so6944622lji.4; Thu, 19 Nov 2020 08:42:48 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:from:date:message-id:subject:to; bh=MPuQBBQOEb6QOhMQvVv4jBymuLz/o0p4TC6CwXfIIC8=; b=rqbbYnI8YkMbbmq6+66NC7UUqghBPrqgBDpNdQFGJ58K7PASjEq0ogHU3Ucm0mCL2f 35q45RmkCSn8vC8Zc6g9amUDGM2rFS19wilZuPoVwYEKxghC+fiGDqymJo7jRPTq3/nk +wytYxgM5up4Djx++rsFOf/njw3pB9fRGP4rbepy41Rm4YPov9jBLQk91vbl+11/PvwO RzdZPiqv7Fo62GXbFvTzi01Pc4VYe6LQ7EwBBxhfWj3dO4Fv3DBsjuVFlPRTZdn1Ujc5 izZX02LKCl5T/LR3yi45i9nk6dEwoo3IlwR5LxXsojmzG7OUVEHhPSEUfJ0Shlkhw3i5 sOfA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:from:date:message-id:subject:to; bh=MPuQBBQOEb6QOhMQvVv4jBymuLz/o0p4TC6CwXfIIC8=; b=r9mwhE1M4xrjxPzkiFQYjteAjk85PsTRGWV3R/OZwRU9mEIYGqL+Hc/A+nHz/gTxbo ZVMilAM3XpPhlYEe/doD66nWnMjbaeZS7vFUGK6BLjaCazcaNKQ1Vj/nMQ8L12LjWp5j DLcq4WC+A4EpOsVnSL70MAcCRoD4BwPjtJteF83/iPJhfjUwQEd3YmNq3vKXTxTzyyis R6z3AInaRo93BNacEu4Js49bsuVrey1Q/iNLkImAJuz3e3p4Q4aVXUeQ0T6awSHSFqbq +RXkXaubxYBy3uU++QYlDcXa7rpS5oXCWNRHVusx2lyCwYGB7kKYtLEpw9fVlgsNFD/0 HAcA== X-Gm-Message-State: AOAM533flamMwFvg/8m6grrZlB58CS6H+5p62FR6snQG3S4Mn2KxQxs4 CF0UJvxFw5wBjwMi5IRcYl986QnIfH4srsPefx0= X-Received: by 2002:a05:651c:2111:: with SMTP id a17mr6732126ljq.220.1605804166699; Thu, 19 Nov 2020 08:42:46 -0800 (PST) MIME-Version: 1.0 From: Gonsolo Date: Thu, 19 Nov 2020 17:42:34 +0100 Message-ID: Subject: Wifi hangs To: Johannes Berg , Emmanuel Grumbach , Luca Coelho , Intel Linux Wireless , Kalle Valo , "David S. Miller" , Jakub Kicinski , Mordechay Goodstein , Johannes Weiner , Andrew Morton , Waiman Long , linux-wireless@vger.kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi! Sporadically my wifi hangs. Any idea why? This is on a 5.10.0-051000rc2-lowlatency kernel from https://kernel.ubuntu.com/~kernel-ppa/mainline. I have to stop and start the device to make it work again. From dmesg: [ +0,000101] ------------[ cut here ]------------ [ +0,000002] TX on unused queue 5 [ +0,000049] WARNING: CPU: 2 PID: 20577 at drivers/net/wireless/intel/iwlwifi/pcie/tx.c:1927 iwl_trans_pcie_tx+0x676/0x7f0 [iwlwifi] [ +0,000003] Modules linked in: dvb_usb_af9035 uas usb_storage dvb_usb_v2 dvb_core rfcomm ccm snd_seq_dummy snd_hrtimer cmac algif_hash algif_skcipher af_alg bnep binfmt_misc nls_iso8859_1 snd_hda_codec_hdmi intel_rapl_msr snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec snd_hda_core snd_hwdep pn544_mei mei_phy pn544 cdc_mbim intel_rapl_common snd_pcm x86_pkg_temp_thermal intel_powerclamp coretemp hci snd_seq_midi cdc_wdm qcserial kvm_intel nfc snd_seq_midi_event usb_wwan mei_hdcp dell_laptop kvm ledtrig_audio cdc_ncm usbserial snd_rawmidi cdc_ether crct10dif_pclmul usbnet ghash_clmulni_intel mii dell_smm_hwmon iwlmvm mac80211 libarc4 aesni_intel crypto_simd uvcvideo videobuf2_vmalloc iwlwifi cryptd glue_helper rapl intel_cstate snd_seq btusb btrtl btbcm videobuf2_memops i915 btintel bluetooth videobuf2_v4l2 videobuf2_common snd_seq_device videodev dell_wmi snd_timer input_leds joydev dell_smbios mc dcdbas ecdh_generic ecc sparse_keymap cfg80211 [ +0,000079] serio_raw at24 wmi_bmof dell_wmi_descriptor efi_pstore snd drm_kms_helper cec rc_core mei_me i2c_algo_bit fb_sys_fops syscopyarea sysfillrect mei soundcore sysimgblt dell_rbtn mac_hid sch_fq_codel parport_pc ppdev lp drm parport ip_tables x_tables autofs4 hid_logitech_hidpp hid_logitech_dj hid_generic usbhid hid sdhci_pci crc32_pclmul i2c_i801 psmouse cqhci i2c_smbus sdhci ahci libahci lpc_ich e1000e xhci_pci wmi xhci_pci_renesas video [last unloaded: dvb_usb_af9035] [ +0,000049] CPU: 2 PID: 20577 Comm: kworker/2:1 Not tainted 5.10.0-051000rc2-lowlatency #202011012330 [ +0,000001] Hardware name: Dell Inc. Latitude E7240/0R6F3F, BIOS A29 06/13/2019 [ +0,000029] Workqueue: events cfg80211_rfkill_block_work [cfg80211] [ +0,000013] RIP: 0010:iwl_trans_pcie_tx+0x676/0x7f0 [iwlwifi] [ +0,000005] Code: 3d 03 5e 03 00 00 b8 ea ff ff ff 0f 85 eb fc ff ff 44 89 fe 48 c7 c7 5d b5 d3 c0 89 45 d0 c6 05 e4 5d 03 00 01 e8 7b 5d 4b c4 <0f> 0b 8b 45 d0 e9 c8 fc ff ff 41 0f b6 86 80 00 00 00 83 e0 60 3c [ +0,000002] RSP: 0018:ffffaf8f00e1f680 EFLAGS: 00010282 [ +0,000002] RAX: 0000000000000000 RBX: ffff9b8c8d0d0900 RCX: ffff9b8e96b18988 [ +0,000001] RDX: 00000000ffffffd8 RSI: 0000000000000027 RDI: ffff9b8e96b18980 [ +0,000001] RBP: ffffaf8f00e1f6e0 R08: 0000000000000000 R09: ffffaf8f00e1f470 [ +0,000002] R10: ffffaf8f00e1f468 R11: ffffffff86353c28 R12: ffff9b8d823243e8 [ +0,000001] R13: 0000000000000037 R14: 0000000000000005 R15: 0000000000000005 [ +0,000002] FS: 0000000000000000(0000) GS:ffff9b8e96b00000(0000) knlGS:0000000000000000 [ +0,000002] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ +0,000001] CR2: 00003a4e0b5b3080 CR3: 0000000105a0c002 CR4: 00000000001706e0 [ +0,000002] Call Trace: [ +0,000020] iwl_mvm_tx_mpdu+0x1e0/0x590 [iwlmvm] [ +0,000011] iwl_mvm_tx_skb_sta+0x153/0x1e0 [iwlmvm] [ +0,000008] iwl_mvm_tx_skb+0x1c/0x40 [iwlmvm] [ +0,000008] iwl_mvm_mac_itxq_xmit+0x7a/0xe0 [iwlmvm] [ +0,000010] iwl_mvm_mac_wake_tx_queue+0x29/0x80 [iwlmvm] [ +0,000029] drv_wake_tx_queue+0x51/0xe0 [mac80211] [ +0,000023] ieee80211_queue_skb+0x15b/0x220 [mac80211] [ +0,000035] ieee80211_tx+0xd6/0x140 [mac80211] [ +0,000025] ieee80211_xmit+0xb8/0xf0 [mac80211] [ +0,000024] __ieee80211_tx_skb_tid_band+0x6d/0x80 [mac80211] [ +0,000022] ieee80211_send_deauth_disassoc+0xff/0x130 [mac80211] [ +0,000024] ieee80211_set_disassoc+0x3ae/0x4b0 [mac80211] [ +0,000027] ieee80211_mgd_deauth+0x106/0x300 [mac80211] [ +0,000004] ? __update_blocked_fair+0xda/0x3f0 [ +0,000004] ? acpi_ut_delete_object_desc+0xa2/0xa6 [ +0,000022] ieee80211_deauth+0x18/0x20 [mac80211] [ +0,000028] cfg80211_mlme_deauth+0xb2/0x1e0 [cfg80211] [ +0,000022] cfg80211_mlme_down+0x64/0x80 [cfg80211] [ +0,000021] cfg80211_disconnect+0x157/0x210 [cfg80211] [ +0,000021] __cfg80211_leave+0x133/0x1b0 [cfg80211] [ +0,000020] cfg80211_netdev_notifier_call+0x1bf/0x5c0 [cfg80211] [ +0,000009] ? iwl_mvm_nic_error+0x40/0x40 [iwlmvm] [ +0,000011] ? iwl_mvm_send_cmd_pdu+0x54/0x90 [iwlmvm] [ +0,000009] ? iwl_mvm_send_cmd+0x1f/0x50 [iwlmvm] [ +0,000008] ? iwl_mvm_mc_iface_iterator+0xb9/0xe0 [iwlmvm] [ +0,000023] ? __iterate_interfaces+0xa2/0x100 [mac80211] [ +0,000008] ? iwl_mvm_set_tim+0x50/0x50 [iwlmvm] [ +0,000009] ? iwl_mvm_set_tim+0x50/0x50 [iwlmvm] [ +0,000024] ? ieee80211_iterate_active_interfaces_atomic+0x38/0x50 [mac80211] [ +0,000006] ? rtnl_is_locked+0x15/0x20 [ +0,000004] ? inetdev_event+0x34/0x400 [ +0,000006] raw_notifier_call_chain+0x49/0x60 [ +0,000003] call_netdevice_notifiers_info+0x50/0x90 [ +0,000004] __dev_close_many+0x5e/0x110 [ +0,000002] dev_close_many+0x85/0x130 [ +0,000003] dev_close+0x5e/0x80 [ +0,000021] cfg80211_shutdown_all_interfaces+0x77/0xd0 [cfg80211] [ +0,000017] cfg80211_rfkill_block_work+0x1e/0x30 [cfg80211] [ +0,000006] process_one_work+0x1e3/0x3b0 [ +0,000003] worker_thread+0x4d/0x350 [ +0,000003] ? rescuer_thread+0x390/0x390 [ +0,000003] kthread+0x145/0x170 [ +0,000002] ? __kthread_bind_mask+0x70/0x70 [ +0,000004] ret_from_fork+0x22/0x30 [ +0,000005] CPU: 2 PID: 20577 Comm: kworker/2:1 Not tainted 5.10.0-051000rc2-lowlatency #202011012330 [ +0,000002] Hardware name: Dell Inc. Latitude E7240/0R6F3F, BIOS A29 06/13/2019 [ +0,000018] Workqueue: events cfg80211_rfkill_block_work [cfg80211] [ +0,000002] Call Trace: [ +0,000005] show_stack+0x52/0x58 [ +0,000003] dump_stack+0x70/0x8b [ +0,000013] ? iwl_trans_pcie_tx+0x676/0x7f0 [iwlwifi] [ +0,000004] __warn.cold+0x24/0x77 [ +0,000011] ? iwl_trans_pcie_tx+0x676/0x7f0 [iwlwifi] [ +0,000003] report_bug+0xa1/0xc0 [ +0,000006] handle_bug+0x3e/0xa0 [ +0,000002] exc_invalid_op+0x19/0x70 [ +0,000004] asm_exc_invalid_op+0x12/0x20 [ +0,000011] RIP: 0010:iwl_trans_pcie_tx+0x676/0x7f0 [iwlwifi] [ +0,000003] Code: 3d 03 5e 03 00 00 b8 ea ff ff ff 0f 85 eb fc ff ff 44 89 fe 48 c7 c7 5d b5 d3 c0 89 45 d0 c6 05 e4 5d 03 00 01 e8 7b 5d 4b c4 <0f> 0b 8b 45 d0 e9 c8 fc ff ff 41 0f b6 86 80 00 00 00 83 e0 60 3c [ +0,000002] RSP: 0018:ffffaf8f00e1f680 EFLAGS: 00010282 [ +0,000002] RAX: 0000000000000000 RBX: ffff9b8c8d0d0900 RCX: ffff9b8e96b18988 [ +0,000001] RDX: 00000000ffffffd8 RSI: 0000000000000027 RDI: ffff9b8e96b18980 [ +0,000002] RBP: ffffaf8f00e1f6e0 R08: 0000000000000000 R09: ffffaf8f00e1f470 [ +0,000001] R10: ffffaf8f00e1f468 R11: ffffffff86353c28 R12: ffff9b8d823243e8 [ +0,000001] R13: 0000000000000037 R14: 0000000000000005 R15: 0000000000000005 [ +0,000013] iwl_mvm_tx_mpdu+0x1e0/0x590 [iwlmvm] [ +0,000012] iwl_mvm_tx_skb_sta+0x153/0x1e0 [iwlmvm] [ +0,000009] iwl_mvm_tx_skb+0x1c/0x40 [iwlmvm] [ +0,000009] iwl_mvm_mac_itxq_xmit+0x7a/0xe0 [iwlmvm] [ +0,000008] iwl_mvm_mac_wake_tx_queue+0x29/0x80 [iwlmvm] [ +0,000021] drv_wake_tx_queue+0x51/0xe0 [mac80211] [ +0,000021] ieee80211_queue_skb+0x15b/0x220 [mac80211] [ +0,000025] ieee80211_tx+0xd6/0x140 [mac80211] [ +0,000023] ieee80211_xmit+0xb8/0xf0 [mac80211] [ +0,000021] __ieee80211_tx_skb_tid_band+0x6d/0x80 [mac80211] [ +0,000025] ieee80211_send_deauth_disassoc+0xff/0x130 [mac80211] [ +0,000026] ieee80211_set_disassoc+0x3ae/0x4b0 [mac80211] [ +0,000023] ieee80211_mgd_deauth+0x106/0x300 [mac80211] [ +0,000004] ? __update_blocked_fair+0xda/0x3f0 [ +0,000003] ? acpi_ut_delete_object_desc+0xa2/0xa6 [ +0,000024] ieee80211_deauth+0x18/0x20 [mac80211] [ +0,000022] cfg80211_mlme_deauth+0xb2/0x1e0 [cfg80211] [ +0,000021] cfg80211_mlme_down+0x64/0x80 [cfg80211] [ +0,000025] cfg80211_disconnect+0x157/0x210 [cfg80211] [ +0,000019] __cfg80211_leave+0x133/0x1b0 [cfg80211] [ +0,000017] cfg80211_netdev_notifier_call+0x1bf/0x5c0 [cfg80211] [ +0,000011] ? iwl_mvm_nic_error+0x40/0x40 [iwlmvm] [ +0,000009] ? iwl_mvm_send_cmd_pdu+0x54/0x90 [iwlmvm] [ +0,000009] ? iwl_mvm_send_cmd+0x1f/0x50 [iwlmvm] [ +0,000008] ? iwl_mvm_mc_iface_iterator+0xb9/0xe0 [iwlmvm] [ +0,000022] ? __iterate_interfaces+0xa2/0x100 [mac80211] [ +0,000008] ? iwl_mvm_set_tim+0x50/0x50 [iwlmvm] [ +0,000008] ? iwl_mvm_set_tim+0x50/0x50 [iwlmvm] [ +0,000024] ? ieee80211_iterate_active_interfaces_atomic+0x38/0x50 [mac80211] [ +0,000004] ? rtnl_is_locked+0x15/0x20 [ +0,000003] ? inetdev_event+0x34/0x400 [ +0,000004] raw_notifier_call_chain+0x49/0x60 [ +0,000004] call_netdevice_notifiers_info+0x50/0x90 [ +0,000004] __dev_close_many+0x5e/0x110 [ +0,000003] dev_close_many+0x85/0x130 [ +0,000003] dev_close+0x5e/0x80 [ +0,000020] cfg80211_shutdown_all_interfaces+0x77/0xd0 [cfg80211] [ +0,000018] cfg80211_rfkill_block_work+0x1e/0x30 [cfg80211] [ +0,000004] process_one_work+0x1e3/0x3b0 [ +0,000004] worker_thread+0x4d/0x350 [ +0,000003] ? rescuer_thread+0x390/0x390 [ +0,000002] kthread+0x145/0x170 [ +0,000003] ? __kthread_bind_mask+0x70/0x70 [ +0,000004] ret_from_fork+0x22/0x30 [ +0,000012] ---[ end trace db8dbd78d4c68899 ]--- [ +0,100513] ------------[ cut here ]------------ [ +0,000003] Timeout waiting for hardware access (CSR_GP_CNTRL 0x000003d8) [ +0,000038] WARNING: CPU: 2 PID: 20577 at drivers/net/wireless/intel/iwlwifi/pcie/trans.c:2067 iwl_trans_pcie_grab_nic_access+0x1bd/0x1f0 [iwlwifi] [ +0,000001] Modules linked in: dvb_usb_af9035 uas usb_storage dvb_usb_v2 dvb_core rfcomm ccm snd_seq_dummy snd_hrtimer cmac algif_hash algif_skcipher af_alg bnep binfmt_misc nls_iso8859_1 snd_hda_codec_hdmi intel_rapl_msr snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec snd_hda_core snd_hwdep pn544_mei mei_phy pn544 cdc_mbim intel_rapl_common snd_pcm x86_pkg_temp_thermal intel_powerclamp coretemp hci snd_seq_midi cdc_wdm qcserial kvm_intel nfc snd_seq_midi_event usb_wwan mei_hdcp dell_laptop kvm ledtrig_audio cdc_ncm usbserial snd_rawmidi cdc_ether crct10dif_pclmul usbnet ghash_clmulni_intel mii dell_smm_hwmon iwlmvm mac80211 libarc4 aesni_intel crypto_simd uvcvideo videobuf2_vmalloc iwlwifi cryptd glue_helper rapl intel_cstate snd_seq btusb btrtl btbcm videobuf2_memops i915 btintel bluetooth videobuf2_v4l2 videobuf2_common snd_seq_device videodev dell_wmi snd_timer input_leds joydev dell_smbios mc dcdbas ecdh_generic ecc sparse_keymap cfg80211 [ +0,000043] serio_raw at24 wmi_bmof dell_wmi_descriptor efi_pstore snd drm_kms_helper cec rc_core mei_me i2c_algo_bit fb_sys_fops syscopyarea sysfillrect mei soundcore sysimgblt dell_rbtn mac_hid sch_fq_codel parport_pc ppdev lp drm parport ip_tables x_tables autofs4 hid_logitech_hidpp hid_logitech_dj hid_generic usbhid hid sdhci_pci crc32_pclmul i2c_i801 psmouse cqhci i2c_smbus sdhci ahci libahci lpc_ich e1000e xhci_pci wmi xhci_pci_renesas video [last unloaded: dvb_usb_af9035] [ +0,000027] CPU: 2 PID: 20577 Comm: kworker/2:1 Tainted: G W 5.10.0-051000rc2-lowlatency #202011012330 [ +0,000001] Hardware name: Dell Inc. Latitude E7240/0R6F3F, BIOS A29 06/13/2019 [ +0,000026] Workqueue: events cfg80211_rfkill_block_work [cfg80211] [ +0,000009] RIP: 0010:iwl_trans_pcie_grab_nic_access+0x1bd/0x1f0 [iwlwifi] [ +0,000001] Code: 85 c5 49 8d 57 08 bf 00 20 00 00 e8 0d bf 9a c3 e9 35 ff ff ff 89 c6 48 c7 c7 20 ea d3 c0 c6 05 93 25 03 00 01 e8 24 25 4b c4 <0f> 0b e9 f0 fe ff ff 49 8b 7c 24 38 48 c7 c1 88 ea d3 c0 31 d2 31 [ +0,000001] RSP: 0018:ffffaf8f00e1fb80 EFLAGS: 00010082 [ +0,000001] RAX: 0000000000000000 RBX: ffffaf8f00e1fbb8 RCX: ffff9b8e96b18988 [ +0,000001] RDX: 00000000ffffffd8 RSI: 0000000000000027 RDI: ffff9b8e96b18980 [ +0,000001] RBP: ffffaf8f00e1fba8 R08: 0000000000000000 R09: ffffaf8f00e1f970 [ +0,000001] R10: ffffaf8f00e1f968 R11: ffffffff86353c28 R12: ffff9b8d895f8018 [ +0,000000] R13: 0000000000000000 R14: ffff9b8d895fa6f4 R15: 00000000000003d8 [ +0,000002] FS: 0000000000000000(0000) GS:ffff9b8e96b00000(0000) knlGS:0000000000000000 [ +0,000000] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ +0,000001] CR2: 00003a4e0b5b3080 CR3: 0000000103918004 CR4: 00000000001706e0 [ +0,000001] Call Trace: [ +0,000007] iwl_set_bits_prph+0x3a/0x90 [iwlwifi] [ +0,000008] iwl_fw_dbg_stop_restart_recording.part.0+0x234/0x260 [iwlwifi] [ +0,000003] ? __cancel_work_timer+0x109/0x190 [ +0,000008] iwl_fw_dbg_stop_sync+0x46/0x50 [iwlwifi] [ +0,000009] __iwl_mvm_mac_stop+0x8c/0x170 [iwlmvm] [ +0,000004] iwl_mvm_mac_stop+0x77/0x90 [iwlmvm] [ +0,000022] drv_stop+0x32/0x110 [mac80211] [ +0,000014] ieee80211_stop_device+0x46/0x50 [mac80211] [ +0,000012] ieee80211_do_stop+0x551/0x860 [mac80211] [ +0,000003] ? _raw_spin_unlock_bh+0x1e/0x20 [ +0,000012] ieee80211_stop+0x1a/0x20 [mac80211] [ +0,000002] __dev_close_many+0x9d/0x110 [ +0,000002] dev_close_many+0x85/0x130 [ +0,000002] dev_close+0x5e/0x80 [ +0,000011] cfg80211_shutdown_all_interfaces+0x77/0xd0 [cfg80211] [ +0,000010] cfg80211_rfkill_block_work+0x1e/0x30 [cfg80211] [ +0,000002] process_one_work+0x1e3/0x3b0 [ +0,000002] worker_thread+0x4d/0x350 [ +0,000002] ? rescuer_thread+0x390/0x390 [ +0,000002] kthread+0x145/0x170 [ +0,000001] ? __kthread_bind_mask+0x70/0x70 [ +0,000003] ret_from_fork+0x22/0x30 [ +0,000002] CPU: 2 PID: 20577 Comm: kworker/2:1 Tainted: G W 5.10.0-051000rc2-lowlatency #202011012330 [ +0,000001] Hardware name: Dell Inc. Latitude E7240/0R6F3F, BIOS A29 06/13/2019 [ +0,000010] Workqueue: events cfg80211_rfkill_block_work [cfg80211] [ +0,000001] Call Trace: [ +0,000002] show_stack+0x52/0x58 [ +0,000002] dump_stack+0x70/0x8b [ +0,000007] ? iwl_trans_pcie_grab_nic_access+0x1bd/0x1f0 [iwlwifi] [ +0,000002] __warn.cold+0x24/0x77 [ +0,000007] ? iwl_trans_pcie_grab_nic_access+0x1bd/0x1f0 [iwlwifi] [ +0,000002] report_bug+0xa1/0xc0 [ +0,000015] handle_bug+0x3e/0xa0 [ +0,000001] exc_invalid_op+0x19/0x70 [ +0,000002] asm_exc_invalid_op+0x12/0x20 [ +0,000007] RIP: 0010:iwl_trans_pcie_grab_nic_access+0x1bd/0x1f0 [iwlwifi] [ +0,000001] Code: 85 c5 49 8d 57 08 bf 00 20 00 00 e8 0d bf 9a c3 e9 35 ff ff ff 89 c6 48 c7 c7 20 ea d3 c0 c6 05 93 25 03 00 01 e8 24 25 4b c4 <0f> 0b e9 f0 fe ff ff 49 8b 7c 24 38 48 c7 c1 88 ea d3 c0 31 d2 31 [ +0,000001] RSP: 0018:ffffaf8f00e1fb80 EFLAGS: 00010082 [ +0,000002] RAX: 0000000000000000 RBX: ffffaf8f00e1fbb8 RCX: ffff9b8e96b18988 [ +0,000000] RDX: 00000000ffffffd8 RSI: 0000000000000027 RDI: ffff9b8e96b18980 [ +0,000001] RBP: ffffaf8f00e1fba8 R08: 0000000000000000 R09: ffffaf8f00e1f970 [ +0,000001] R10: ffffaf8f00e1f968 R11: ffffffff86353c28 R12: ffff9b8d895f8018 [ +0,000001] R13: 0000000000000000 R14: ffff9b8d895fa6f4 R15: 00000000000003d8 [ +0,000007] iwl_set_bits_prph+0x3a/0x90 [iwlwifi] [ +0,000008] iwl_fw_dbg_stop_restart_recording.part.0+0x234/0x260 [iwlwifi] [ +0,000002] ? __cancel_work_timer+0x109/0x190 [ +0,000016] iwl_fw_dbg_stop_sync+0x46/0x50 [iwlwifi] [ +0,000006] __iwl_mvm_mac_stop+0x8c/0x170 [iwlmvm] [ +0,000004] iwl_mvm_mac_stop+0x77/0x90 [iwlmvm] [ +0,000012] drv_stop+0x32/0x110 [mac80211] [ +0,000015] ieee80211_stop_device+0x46/0x50 [mac80211] [ +0,000012] ieee80211_do_stop+0x551/0x860 [mac80211] [ +0,000002] ? _raw_spin_unlock_bh+0x1e/0x20 [ +0,000013] ieee80211_stop+0x1a/0x20 [mac80211] [ +0,000002] __dev_close_many+0x9d/0x110 [ +0,000001] dev_close_many+0x85/0x130 [ +0,000002] dev_close+0x5e/0x80 [ +0,000011] cfg80211_shutdown_all_interfaces+0x77/0xd0 [cfg80211] [ +0,000010] cfg80211_rfkill_block_work+0x1e/0x30 [cfg80211] [ +0,000002] process_one_work+0x1e3/0x3b0 [ +0,000002] worker_thread+0x4d/0x350 [ +0,000002] ? rescuer_thread+0x390/0x390 [ +0,000001] kthread+0x145/0x170 [ +0,000002] ? __kthread_bind_mask+0x70/0x70 [ +0,000001] ret_from_fork+0x22/0x30 [ +0,000002] ---[ end trace db8dbd78d4c6889a ]--- [ +0,000003] iwlwifi 0000:02:00.0: iwlwifi transaction failed, dumping registers [ +0,000003] iwlwifi 0000:02:00.0: iwlwifi device config registers: [ +0,000241] iwlwifi 0000:02:00.0: 00000000: 08b18086 00100406 02800073 00000010 f7d00004 00000000 00000000 00000000 [ +0,000002] iwlwifi 0000:02:00.0: 00000020: 00000000 00000000 00000000 44708086 00000000 000000c8 00000000 0000010a [ +0,000002] iwlwifi 0000:02:00.0: 00000040: 00020010 10008ec0 00100c00 0006ec11 10110042 00000000 00000000 00000000 [ +0,000002] iwlwifi 0000:02:00.0: 00000060: 00000000 00080812 00000405 00000000 00010001 00000000 00000000 00000000 [ +0,000002] iwlwifi 0000:02:00.0: 00000080: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ +0,000001] iwlwifi 0000:02:00.0: 000000a0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ +0,000002] iwlwifi 0000:02:00.0: 000000c0: 00000000 00000000 c823d001 0d000000 00814005 fee00398 00000000 00000000 [ +0,000002] iwlwifi 0000:02:00.0: 000000e0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ +0,000002] iwlwifi 0000:02:00.0: 00000100: 14010001 00000000 00000000 00462031 00000000 00002000 00000000 00000000 [ +0,000001] iwlwifi 0000:02:00.0: 00000120: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ +0,000002] iwlwifi 0000:02:00.0: 00000140: 14c10003 ff680263 4851b7ff 15410018 10031003 0001000b 0141cafe 00f01e1f [ +0,000002] iwlwifi 0000:02:00.0: iwlwifi device memory mapped registers: [ +0,000094] iwlwifi 0000:02:00.0: 00000000: 40000000 80000000 00000080 00000000 00000000 00000000 00000000 00000000 [ +0,000001] iwlwifi 0000:02:00.0: 00000020: 00000001 000003d8 00000144 00000000 80000000 803a0000 80008040 00080042 [ +0,000053] iwlwifi 0000:02:00.0: iwlwifi device AER capability structure: [ +0,000022] iwlwifi 0000:02:00.0: 00000000: 14010001 00000000 00000000 00462031 00000000 00002000 00000000 00000000 [ +0,000002] iwlwifi 0000:02:00.0: 00000020: 00000000 00000000 00000000 [ +0,000001] iwlwifi 0000:02:00.0: iwlwifi parent port (0000:00:1c.3) config registers: [ +0,000094] iwlwifi 0000:00:1c.3: 00000000: 9c168086 00100407 060400e4 00810010 00000000 00000000 00020200 000000f0 [ +0,000002] iwlwifi 0000:00:1c.3: 00000020: f7d0f7d0 0001fff1 00000000 00000000 00000000 00000040 00000000 0012040a [ +0,000002] iwlwifi 0000:00:1c.3: 00000040: 01428010 00008000 00100000 04323c12 70110042 001cb200 01400000 00000000 [ +0,000002] iwlwifi 0000:00:1c.3: 00000060: 00000000 00000817 00000400 00000000 00010002 00000000 00000000 00000000 [ +0,000002] iwlwifi 0000:00:1c.3: 00000080: 00019005 fee00258 00000000 00000000 0000a00d 05ca1028 00000000 00000000 [ +0,000001] iwlwifi 0000:00:1c.3: 000000a0: c8030001 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ +0,000002] iwlwifi 0000:00:1c.3: 000000c0: 00000000 00000000 00000000 00000000 01000000 00001842 8b118008 00000000 [ +0,000002] iwlwifi 0000:00:1c.3: 000000e0: 00400300 8c548c54 00000015 00000000 00000050 0c000040 08050fb1 00000004 [ +0,000001] iwlwifi 0000:00:1c.3: 00000100: 20000000 00000000 00000000 00060011 00000000 00002000 00000000 00000000 [ +0,000002] iwlwifi 0000:00:1c.3: 00000120: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ +0,000002] iwlwifi 0000:00:1c.3: 00000140: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ +0,000001] iwlwifi 0000:00:1c.3: 00000160: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ +0,000002] iwlwifi 0000:00:1c.3: 00000180: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ +0,000001] iwlwifi 0000:00:1c.3: 000001a0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ +0,000002] iwlwifi 0000:00:1c.3: 000001c0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ +0,000002] iwlwifi 0000:00:1c.3: 000001e0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ +0,000001] iwlwifi 0000:00:1c.3: 00000200: 0001001e 0028281f 40a0281f [ +2,028589] iwlwifi 0000:02:00.0: RF_KILL bit toggled to enable radio. [ +0,000004] iwlwifi 0000:02:00.0: reporting RF_KILL (radio enabled) [Nov19 17:24] wlp2s0: authenticate with 68:b6:fc:27:79:c8 [ +0,002785] wlp2s0: send auth to 68:b6:fc:27:79:c8 (try 1/3) [ +0,002128] wlp2s0: authenticated [ +0,000481] wlp2s0: associate with 68:b6:fc:27:79:c8 (try 1/3) [ +0,015219] wlp2s0: RX AssocResp from 68:b6:fc:27:79:c8 (capab=0xc11 status=0 aid=7) [ +0,001892] wlp2s0: associated [ +0,227651] IPv6: ADDRCONF(NETDEV_CHANGE): wlp2s0: link becomes ready -- g