From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mout.gmx.net (mout.gmx.net [212.227.15.15]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D35C61A9F94 for ; Wed, 13 Aug 2025 04:15:38 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=212.227.15.15 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755058543; cv=none; b=kLYKbMbqBmWs0tM2TxrTpG72kZoC0hpYY7agOfOPcC3sUaXUVX852Zwq3xrCa29EQI8w4R4MEQUGf0xhcyLe0W/ODoXhTNtcEn1YqBXtQIhFR4Zt803CqI8uUgU2mEuiZVJAGcSL/Iz4ih+HFwKA2SWKXn22ZmUpww/yL9jyTAg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755058543; c=relaxed/simple; bh=JJlNurtq9ZuBDAnkQpjt934Tcwy4zThN2OvI7/xvHFw=; h=Message-ID:Subject:From:To:Cc:Date:Content-Type:MIME-Version; b=LpUWaAkIPmR149xJaMCyHo2f1MmCSm2B0XQv+OgKjoIEj9z9LFlRaxlv+7P73Of5HWmCeMDgz99fVjuNHobI9bGcPyUZOEX2hwl9BiClvKHYXEYmJrPl5JnBFVCz5PbD2XnYoaWW8/TyY4DVq03TioXIx8fR5iPa434RijcdWGE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=gmx.de; spf=pass smtp.mailfrom=gmx.de; dkim=pass (2048-bit key) header.d=gmx.de header.i=efault@gmx.de header.b=t1MKbTX7; arc=none smtp.client-ip=212.227.15.15 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=gmx.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmx.de Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmx.de header.i=efault@gmx.de header.b="t1MKbTX7" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmx.de; s=s31663417; t=1755058537; x=1755663337; i=efault@gmx.de; bh=smOFMOBK3OqwbF9fj13v5zOhs6Zoz8Bib51TbNDXqI0=; h=X-UI-Sender-Class:Message-ID:Subject:From:To:Cc:Date: Content-Type:Content-Transfer-Encoding:MIME-Version:cc: content-transfer-encoding:content-type:date:from:message-id: mime-version:reply-to:subject:to; b=t1MKbTX7SMqrkInXRQyi/79Oelr14Bp3QuImenJ8mLWVd++UpE2w8VJmC3xXIF0a bu7+0RnEB98C+syXrKkTqcCBqj+vNxOV4U2+mIaqY+EJGWhcloc9Zfc14vVEYXu+a Io2wRfNFlQPpDX1alAcP0yMxfrBN6wW5W9QPjraPlT4MXZtnxBT82VHVqfvnWIM/v 6ZoYIjD6mUbPjqG0M6bQTHWxMXyb2CuVUkHCEObL+akabVJlwj9YJYigVo6vvuZvh amWjil3WFTflX60PqAXy25WzlddxMRrmmZwGt2JD1P3YW0zIuHVPerjP6tpKCVo3k El6ymR/Z3x4txQR7ZA== X-UI-Sender-Class: 724b4f7f-cbec-4199-ad4e-598c01a50d3a Received: from homer.fritz.box ([185.146.50.70]) by mail.gmx.net (mrgmx004 [212.227.17.190]) with ESMTPSA (Nemesis) id 1MPokD-1v07dz3jZz-00NExa; Wed, 13 Aug 2025 06:15:36 +0200 Message-ID: Subject: netconsole: HARDIRQ-safe -> HARDIRQ-unsafe lock order warning From: Mike Galbraith To: LKML Cc: Breno Leitao Date: Wed, 13 Aug 2025 06:14:36 +0200 Autocrypt: addr=efault@gmx.de; keydata=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 y6yrWaxyqUg8CnZF/J5HR+IvRK+vu85xxwSLQsrVONH0Ita1jg2nhUW7yLZer8xrhxIuYCqrMgreo5BAA3+irHy37rmqiAFZcnDnCNDtJ4sz48tiEkEGBECAAkFAk/h0fkCGwwACgkQxiYAKcZ9tvgIMQCeIcgjSxwbGiGn2q/cv8IvHf1r/DIAnivw+bGITqTU7rhgfwe07dhBoIdz Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable User-Agent: Evolution 3.50.3 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Provags-ID: V03:K1:dkrkqHvuhm+aAmgG1IJYAoFVicmcJ+Pyp1wd1PBRswwGfOC2+5s 51FWJT9oVoHCjBj8yNVFXwEk0fKh7FsMKWjZ3Eq1iad9NkAJx7EyynzJZX7nG7oalv40YFL 068lM4pNlsXsZqCTHNhPU+3EoWYXVqmo8utNSzv9WN85Vuu2Fp3wJdKdmwuBt16JCjBvZhI hvnmw4j1LUJ74hzgiFfnw== X-Spam-Flag: NO UI-OutboundReport: notjunk:1;M01:P0:BGK1lmrejJY=;Iz1XGPKKTgEx1D1RMpQQn9ZidZ0 WZO77V3I5GtRNlB6Kju59my9vTQLpgby7AxXb2GSS3mC/HFYiizAovl6MzccV1MKX4IHiyeeV H9bJuH27aSrPykzP/w+NTJ7eCJoWb25wNKqzJSsl4HXYh/V0VlSl1wa7FIMLHdD7s/ZaAKZ5U MEI0jo1PF8KfzV95b11e/ETHTGhLk3dgDI6vRQzu7yXxz3hQAz9vJWIfpIYhUkYdfD3d/cbib zTUY2FxTeUe55PkLr7djwGE2jAqI9qI2M/2nhAOcqTGtMlYHGN1rzCnMp45+da+Wl5nyBYIV5 pZ4IvFzgKimLVwVbojnch7NeEG59nrEQ9RjMMR/Hra/ENz451OrSZuBQiO5SGTp5vvcMNdqXW hH01aCxurFMMGpS4EN+7zatPSzP7zgtih5L+i92oXpv370qm8pF2ucQ3SWSCkiL0JRiwgL2Nn PiIZal6l4FXddgtya2fwFOBGsrkEfNZ6CZ7rOS93SN/p0FtURHZiJhNoyV8mdD8QApHQHHv/D 83lRryc4ECXdR91GELdcNURDCOcTy+I57CJl4/50TlMbuQdbkHmldXKTWW4IOebHaf/JxIo+2 WsbXC/j+EUv4MGxrWIgCfE9+favlX3aa6ZQvoJqd4WFWpu07zWMtbyfRSjC2c8iGqapi0HrOe CB6Jzh0O9KPkO1TDog31bWF4aG6ZJrIQeOOXk6GTzTpBEsffJO162kE5ZpBTwcDvO7RHhzdBx 3y3e7OQ88ho/vC0DcGskYQbtQ7cgKMVnTKdx3F77vnXWxfVVuaH7Z8ZaeGz3daOqyXAgvCDus /NVDP/gyzkPV4JxYskp5wj6uy92x6Gnge6zt8JlkRAow0hQohuc1nRa5mk5dtb0agG2IcaOhs uulopQEmootpXARxW4g7ul6esjIBDFYlO25VlALa3J9fw6WkBFhhxEUzHXXU7u/3nMnact2Qs qnjakzIdIrTKG8TvmNav3lrUwGTemSPhq6h2VOIOucLWRJagn8ZqxaVLS+nWYINnot5sXgRpn WwjmA7vRD2Dk/l9ryQ1+zbBwgT9fqFaLPrCnScXVsZvu4Sm2zFHT/NYGpsIb6TGPMAfPPhf9C TrgtyETAaLPthbiB7UaMHfIqexuKAeZbb1fDAWD/3z86nYA2myDh+qp+rf4j1L9y2/CqKL9RQ R1jJZnqIYldZj3ItI6hU40Q8t9Fyukky11Nh4IkG4bmT0P04Mv2Hg2JMW+TBA55GWgh1/AgUi 62Z1URj1DcomQh21qhueuBBkJIXkUXmuTz7qTBC4G8FMSjNZAbxpgfJXAEFPcgrTfWakJ0MXk 6WJBVy05+0lvt7e8LPruL4AbyZx1rmw/OBEThp25TsDF43f3Q7JtC3Op6m5N3shmm/7lykEZd MF5S1SYcAQnW8hho49MCecOACOQ2KPFH07YgfUIOpcqYlIeQBJpRXXyQAAqtYh7YzaMq1uMcm TNBYHwxMMasD/bEEbk3er/u/darTlndlrtGvB/qO56KWRbvocMCsnZH+WIf5RmtcTsOwnOLuL rd7O1dXqC8Gft+Tfpg5kQnAFJSccdLMcv2K0AJa9GgjqEN3M8QUqk3tPi7v3k0I8CpvG9aL+Y Ewg5IG/KOwkcLpEYUQCrO0nA+j7kN9nvvYKhz/Nyro0ZA58+wefhDw0vvuxHlL9T7vzsxV8K5 DaNOemCoX9KY2DOm0k7pNcbDqc2clCSE+t32UzPZ56mBtqP1VngO302Lzk6oOxJ6+HixVGzQc rSF43Te24G5dHo/011SHTAcbYyaCR8zbTZT4mhG5+2iPbCuwZRT86f7LWm76B2kCI+qXpdU13 myp4AQx/6oH7cVhp5/NK7XDXndF+Se8Pk0nUUW9nThQEgh1uI8IEcmay7SRzHL3kB5MKqc4ek BsJ4Mcto0x7TzKJzOxEjC1lnXOSub02F9Z/Jw01iGedi5QFbQqa5vtRcinuOuk5cOWhh+vjZP gTsiRIhv3JM4o4bdA6QGOlIaht3ihCpc0DQk//g7Kqp4z3o+0yuvQMtFZ3CUyOOyJYeJVIzPq 3TJ3cLYAJEWhKyceUfOP0LYofN6V6rozKDmHmM16wJIoNhUb+46zI2ZzRi+vKAv6HHNhpyY/e blBVchYS/DP13QMKB8UYBaHp8ZhKIEqOgeU8LOhsbE1O1hzLNPdsgauuVknT0rdUD6iJSURqP ejnsax+F6QRM/K9Yw6qCJnMURLZHhIQdbg4N08qnEf6meyrlHr7QwZwFDzIsXCtADbPcWD7U4 ocpiiJBzJBhq7IienqoahVMDO/o1ap4Dtsj8hwYneEZ0uajffhCeXi6vcwtZqsDPTwxc6x3cf eWP3BhnffKjczFRYltTE+N9zA+UTgwYrgfjHAxoFTvvGsuPYx9AGXd5BI5Qp1KGyuSNThWj5j +HG19K+96CFrbJo4BCA3+rJLm4EvWwtxteDJO3p69Lte5s3ODb5jWB+fiWg/C0t3SdhCetMET RN+gUdbuX4Rx5DF3RqcMD/45ctz9z2vY4OpFbqoPJlysCIkg/71eujceccBupfsqf0pGtJiGh 0WEVhU2Wiw4GK7lHGcE17TtHl4tRY7U178ieiGFfGjSZUQu6+91xAtNEdd+We2P6EBJEWeH4H NswI/oHN0OG8LkW2uJR/huyvo4Fi5/Y92h5A7BCdluoim2WQmQVqRSvCtDM7a+1Vspw/sMBAL bwo+m+Hn5+w7bsWIkdHsRkA1uGhCWCa6EVWDbzb2PtNxpo23LzAwD+p+VbY54Go2L3fWskwDU pgXdi28VExUmcm/U9kxP42aHntLYuAzcijgERX77Whc2pyYLFOUVK2L5ni0+DAYLQjCGWXfYt wkxp20D3JZo1ySpj4P387OC5Y5P+r0aFC6IDebYUiyRAz5U6IAe0OHSBHy2ZsiUqBDyY8fgvW oSMGI0Tm56Fz3toM3/xEwaUqb9mfI6WLBCpVDoLnyFzFa2Q1ZTwYic1jS2/3C0IYucNdNghRR 1lH45GB7bQ46VzYfvMLjL7jUAm+er3Nwhmg2pz2XjFR2/ERRmpoIudciR8vt3Rz5oq3Qaq8rH f6HW27hvOhF9mMedVkifKJm50aIudNdMASSw6VkaI3Uq7n0nBgN/LUrgV4nQUvaWN29S/md4q kBW7IcNxOe0GN9/HCFbh+5XwhuPSMxoHVJcFNCwgiKe8ax7eGuhfGM1f2QZtnpY1CE15FtDUo 9BxDu6p7oiY3hItY9yJMeR9r1rUDrzzVUgF3Akn7Kw1LpsR4G7X/sY8CCQUQ6w5M+EL6mZp+s c0gL2tMPfOehUTzIq0RqavymqEVgb3gs7DrZJZXv2f8QNUuUtWZGa+wdRK7DZwzGggo2aD/C0 LIEDk+BJOwmwdmC5mWaH5BIP/pJsk1OCbqcwiBYQ4cTVhQCxSHYnF0APxbjx74LDDIS4ktPJ8 xLeJ8eEbz1pOaSWN7wrGgt5KlktBa6y/z+R9h0M08ge5oNq0zONQydgI5si/jTfjtESeAkN39 HT+3hvfc7Hw== Greetings, Netconsole works peachy for my r8169 equipped desktop box, but HP lappy with Intel wireless grumbles w/wo lockdep enabled (see mutterings below lock order complaint). bart:/root # hwinfo --netcard 11: PCI 200.0: 0282 WLAN controller =20 [Created at pci.387] Unique ID: y9sn.0LuFraIuP2D Parent ID: qTvu.sUcXY2K9Kn9 SysFS ID: /devices/pci0000:00/0000:00:1c.1/0000:02:00.0 SysFS BusID: 0000:02:00.0 Hardware Class: network Device Name: "Intel Stone Peak 2 7265 Combo /NON-vPro NGFF Combo Wireles= s-AC 7265" Model: "Intel Dual Band Wireless-AC 7265" Vendor: pci 0x8086 "Intel Corporation" Device: pci 0x095a "Wireless 7265" SubVendor: pci 0x8086 "Intel Corporation" SubDevice: pci 0x5010 "Dual Band Wireless-AC 7265" [ 106.798290] netconsole: network logging started [ 106.806110] netconsole: network logging has already stopped [ 107.969494] printk: legacy console [netcon0] enabled [ 107.969759] netconsole: netconsole: local port 6665 [ 107.969831] netconsole: netconsole: local IPv4 address 192.168.178.4 [ 107.969871] netconsole: netconsole: interface name 'wlan0' [ 107.969904] netconsole: netconsole: local ethernet address '00:00:00:00:= 00:00' [ 107.969945] netconsole: netconsole: remote port 6666 [ 107.969977] netconsole: netconsole: remote IPv4 address 192.168.178.3 [ 107.970014] netconsole: netconsole: remote ethernet address d4:3d:7e:fc:= 4f:09 [ 107.983276] netconsole: network logging started [ 107.983687] =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D [ 107.983689] WARNING: HARDIRQ-safe -> HARDIRQ-unsafe lock order detected [ 107.983692] 6.17.0.g8742b2d8-master #195 Tainted: G I = =20 [ 107.983695] ----------------------------------------------------- [ 107.983696] netconsole.sh/4031 [HC0[0]:SC0[2]:HE0:SE0] is trying to acqu= ire: [ 107.983700] ffff8a0101b80f58 (&fq->lock){+.-.}-{3:3}, at: ieee80211_queu= e_skb+0xfd/0x350 [mac80211] [ 107.983855]=20 and this task is already holding: [ 107.983856] ffffffffc1ab9ad8 (target_list_lock){....}-{3:3}, at: write_m= sg+0x4c/0x120 [netconsole] [ 107.983869] which would create a new lock dependency: [ 107.983870] (target_list_lock){....}-{3:3} -> (&fq->lock){+.-.}-{3:3} [ 107.983876]=20 but this new dependency connects a HARDIRQ-irq-safe lock: [ 107.983878] (console_owner){-...}-{0:0} [ 107.983880]=20 ... which became HARDIRQ-irq-safe at: [ 107.983882] __lock_acquire+0x3d6/0xbc0 [ 107.983889] lock_acquire.part.0+0xa1/0x210 [ 107.983893] console_lock_spinning_enable+0x5e/0x60 [ 107.983899] console_emit_next_record+0xde/0x250 [ 107.983904] console_flush_all+0x24d/0x370 [ 107.983909] console_unlock+0x66/0x130 [ 107.983914] vprintk_emit+0x142/0x360 [ 107.983918] dev_vprintk_emit+0x4e/0x70 [ 107.983923] dev_printk_emit+0x51/0x70 [ 107.983927] _dev_warn+0x6f/0x85 [ 107.983931] atkbd_receive_byte.cold+0x96/0xe5 [ 107.983935] ps2_interrupt+0x9e/0x1a0 [ 107.983941] serio_interrupt+0x44/0x90 [ 107.983945] i8042_handle_data+0x108/0x260 [ 107.983949] i8042_interrupt+0x11/0x30 [ 107.983953] __handle_irq_event_percpu+0x81/0x280 [ 107.983957] handle_irq_event+0x38/0x80 [ 107.983960] handle_edge_irq+0xd9/0x1c0 [ 107.983965] __common_interrupt+0x70/0x180 [ 107.983971] common_interrupt+0xb7/0xe0 [ 107.983976] asm_common_interrupt+0x26/0x40 [ 107.983979] ___slab_alloc+0x291/0xe60 [ 107.983983] __slab_alloc.isra.0+0x52/0x90 [ 107.983985] kmem_cache_alloc_noprof+0xc9/0x470 [ 107.983988] vm_area_dup+0x25/0x170 [ 107.983992] dup_mmap+0x29c/0x860 [ 107.983995] dup_mm.constprop.0+0x65/0x130 [ 107.983998] copy_process+0x105f/0x1a90 [ 107.984000] kernel_clone+0x98/0x410 [ 107.984003] __do_sys_clone+0x65/0x90 [ 107.984005] do_syscall_64+0x94/0xa10 [ 107.984010] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 107.984013]=20 to a HARDIRQ-irq-unsafe lock: [ 107.984014] (&fq->lock){+.-.}-{3:3} [ 107.984017]=20 ... which became HARDIRQ-irq-unsafe at: [ 107.984018] ... [ 107.984019] __lock_acquire+0x3d6/0xbc0 [ 107.984023] lock_acquire.part.0+0xa1/0x210 [ 107.984027] _raw_spin_lock_bh+0x38/0x50 [ 107.984030] ieee80211_get_txq_stats+0x30/0x190 [mac80211] [ 107.984161] nl80211_send_iface+0x369/0x820 [cfg80211] [ 107.984295] nl80211_notify_iface+0x4c/0xb0 [cfg80211] [ 107.984403] cfg80211_register_netdevice+0x6f/0xe0 [cfg80211] [ 107.984514] ieee80211_if_add+0x3ba/0x670 [mac80211] [ 107.984640] ieee80211_register_hw+0xca6/0xcd0 [mac80211] [ 107.984757] iwl_mvm_mac_setup_register+0xbe6/0xde0 [iwlmvm] [ 107.984789] iwl_mvm_start_post_nvm+0x5f/0xd0 [iwlmvm] [ 107.984819] iwl_op_mode_mvm_start+0xbc5/0xca0 [iwlmvm] [ 107.984846] _iwl_op_mode_start.isra.0+0x3f/0xb0 [iwlwifi] [ 107.984880] iwl_opmode_register+0x6f/0xe0 [iwlwifi] [ 107.984909] cmac_clone_tfm+0x18/0x30 [cmac] [ 107.984914] do_one_initcall+0x57/0x370 [ 107.984920] do_init_module+0x60/0x220 [ 107.984924] init_module_from_file+0x85/0xc0 [ 107.984927] idempotent_init_module+0x104/0x300 [ 107.984930] __x64_sys_finit_module+0x6d/0xd0 [ 107.984933] do_syscall_64+0x94/0xa10 [ 107.984938] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 107.984941]=20 other info that might help us debug this: [ 107.984942] Chain exists of: console_owner --> target_list_lock --> &fq->lock [ 107.984947] Possible interrupt unsafe locking scenario: [ 107.984948] CPU0 CPU1 [ 107.984949] ---- ---- [ 107.984950] lock(&fq->lock); [ 107.984952] local_irq_disable(); [ 107.984952] lock(console_owner); [ 107.984954] lock(target_list_lock); [ 107.984956] [ 107.984957] lock(console_owner); [ 107.984959]=20 *** DEADLOCK *** [ 107.984959] 12 locks held by netconsole.sh/4031: [ 107.984962] #0: ffff8a010e32e428 (sb_writers#14){.+.+}-{0:0}, at: ksys_= write+0x69/0xe0 [ 107.984972] #1: ffff8a0105152d88 (&buffer->mutex){+.+.}-{4:4}, at: conf= igfs_write_iter+0x2e/0x120 [configfs] [ 107.984983] #2: ffff8a01142ae5b8 (&p->frag_sem){.+.+}-{4:4}, at: config= fs_write_iter+0x9b/0x120 [configfs] [ 107.984991] #3: ffffffffc1ab9688 (dynamic_netconsole_mutex){+.+.}-{4:4}= , at: enabled_store+0x42/0x300 [netconsole] [ 107.985001] #4: ffffffff9076e800 (console_lock){+.+.}-{0:0}, at: _print= k+0x5b/0x80 [ 107.985009] #5: ffffffff9076e850 (console_srcu){....}-{0:0}, at: consol= e_flush_all+0x3b/0x370 [ 107.985018] #6: ffffffff9068e440 (console_owner){-...}-{0:0}, at: conso= le_lock_spinning_enable+0x42/0x60 [ 107.985026] #7: ffffffff9068e3c0 (printk_legacy_map-wait-type-override)= {....}-{4:4}, at: console_emit_next_record+0x1de/0x250 [ 107.985034] #8: ffffffffc1ab9ad8 (target_list_lock){....}-{3:3}, at: wr= ite_msg+0x4c/0x120 [netconsole] [ 107.985042] #9: ffffffff907713c0 (rcu_read_lock){....}-{1:3}, at: __net= poll_send_skb+0x4a/0x3b0 [ 107.985049] #10: ffff8a0107196918 (_xmit_ETHER#2){+.-.}-{3:3}, at: __ne= tpoll_send_skb+0x2e0/0x3b0 [ 107.985056] #11: ffffffff907713c0 (rcu_read_lock){....}-{1:3}, at: __ie= ee80211_subif_start_xmit+0xb2/0x3d0 [mac80211] [ 107.985189]=20 the dependencies between HARDIRQ-irq-safe lock and the holdi= ng lock: [ 107.985191] -> (console_owner){-...}-{0:0} { [ 107.985195] IN-HARDIRQ-W at: [ 107.985196] __lock_acquire+0x3d6/0xbc0 [ 107.985201] lock_acquire.part.0+0xa1/0x210 [ 107.985205] console_lock_spinning_enable+0x5e/0x60 [ 107.985210] console_emit_next_record+0xde/0x250 [ 107.985215] console_flush_all+0x24d/0x370 [ 107.985220] console_unlock+0x66/0x130 [ 107.985224] vprintk_emit+0x142/0x360 [ 107.985229] dev_vprintk_emit+0x4e/0x70 [ 107.985234] dev_printk_emit+0x51/0x70 [ 107.985237] _dev_warn+0x6f/0x85 [ 107.985241] atkbd_receive_byte.cold+0x96/0xe5 [ 107.985245] ps2_interrupt+0x9e/0x1a0 [ 107.985250] serio_interrupt+0x44/0x90 [ 107.985254] i8042_handle_data+0x108/0x260 [ 107.985258] i8042_interrupt+0x11/0x30 [ 107.985262] __handle_irq_event_percpu+0x81/0x280 [ 107.985266] handle_irq_event+0x38/0x80 [ 107.985269] handle_edge_irq+0xd9/0x1c0 [ 107.985274] __common_interrupt+0x70/0x180 [ 107.985279] common_interrupt+0xb7/0xe0 [ 107.985285] asm_common_interrupt+0x26/0x40 [ 107.985287] ___slab_alloc+0x291/0xe60 [ 107.985290] __slab_alloc.isra.0+0x52/0x90 [ 107.985292] kmem_cache_alloc_noprof+0xc9/0x470 [ 107.985295] vm_area_dup+0x25/0x170 [ 107.985299] dup_mmap+0x29c/0x860 [ 107.985303] dup_mm.constprop.0+0x65/0x130 [ 107.985305] copy_process+0x105f/0x1a90 [ 107.985308] kernel_clone+0x98/0x410 [ 107.985310] __do_sys_clone+0x65/0x90 [ 107.985313] do_syscall_64+0x94/0xa10 [ 107.985317] entry_SYSCALL_64_after_hwframe+0x4b/0x= 53 [ 107.985321] INITIAL USE at: [ 107.985322] __lock_acquire+0x3d6/0xbc0 [ 107.985326] lock_acquire.part.0+0xa1/0x210 [ 107.985329] console_lock_spinning_enable+0x5e/0x60 [ 107.985334] console_emit_next_record+0x1cc/0x250 [ 107.985339] console_flush_all+0x24d/0x370 [ 107.985344] console_unlock+0x66/0x130 [ 107.985348] vprintk_emit+0x142/0x360 [ 107.985353] _printk+0x5b/0x80 [ 107.985358] register_console.cold+0x46/0xaa [ 107.985363] con_init+0x237/0x240 [ 107.985367] console_init+0x11c/0x1a0 [ 107.985371] start_kernel+0x33f/0x470 [ 107.985376] x86_64_start_reservations+0x24/0x30 [ 107.985379] x86_64_start_kernel+0xce/0xd0 [ 107.985382] common_startup_64+0x13e/0x141 [ 107.985385] } [ 107.985386] ... key at: [] console_owner_dep_ma= p+0x0/0x40 [ 107.985391] -> (target_list_lock){....}-{3:3} { [ 107.985394] INITIAL USE at: [ 107.985396] __lock_acquire+0x3d6/0xbc0 [ 107.985400] lock_acquire.part.0+0xa1/0x210 [ 107.985403] _raw_spin_lock_irqsave+0x3f/0x60 [ 107.985406] make_netconsole_target+0xd8/0x1b0 [netcon= sole] [ 107.985412] configfs_mkdir+0x1c8/0x510 [configfs] [ 107.985419] vfs_mkdir+0x19d/0x270 [ 107.985423] do_mkdirat+0x13c/0x180 [ 107.985426] __x64_sys_mkdir+0x46/0x60 [ 107.985430] do_syscall_64+0x94/0xa10 [ 107.985434] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 107.985437] } [ 107.985438] ... key at: [] target_list_lock+0x18= /0xffffffffffe48540 [netconsole] [ 107.985445] ... acquired at: [ 107.985446] __lock_acquire+0x550/0xbc0 [ 107.985450] lock_acquire.part.0+0xa1/0x210 [ 107.985453] _raw_spin_lock_irqsave+0x3f/0x60 [ 107.985455] write_msg+0x4c/0x120 [netconsole] [ 107.985460] console_emit_next_record+0x203/0x250 [ 107.985465] console_flush_all+0x24d/0x370 [ 107.985470] console_unlock+0x66/0x130 [ 107.985474] vprintk_emit+0x142/0x360 [ 107.985479] _printk+0x5b/0x80 [ 107.985483] register_console.cold+0x46/0xaa [ 107.985488] enabled_store+0x23c/0x300 [netconsole] [ 107.985493] configfs_write_iter+0xbd/0x120 [configfs] [ 107.985498] vfs_write+0x213/0x520 [ 107.985504] ksys_write+0x69/0xe0 [ 107.985506] do_syscall_64+0x94/0xa10 [ 107.985510] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 107.985513]=20 the dependencies between the lock to be acquired [ 107.985514] and HARDIRQ-irq-unsafe lock: [ 107.985531] -> (&fq->lock){+.-.}-{3:3} { [ 107.985535] HARDIRQ-ON-W at: [ 107.985537] __lock_acquire+0x3d6/0xbc0 [ 107.985540] lock_acquire.part.0+0xa1/0x210 [ 107.985544] _raw_spin_lock_bh+0x38/0x50 [ 107.985546] ieee80211_get_txq_stats+0x30/0x190 [mac8= 0211] [ 107.985671] nl80211_send_iface+0x369/0x820 [cfg80211= ] [ 107.985785] nl80211_notify_iface+0x4c/0xb0 [cfg80211= ] [ 107.985888] cfg80211_register_netdevice+0x6f/0xe0 [c= fg80211] [ 107.985998] ieee80211_if_add+0x3ba/0x670 [mac80211] [ 107.986122] ieee80211_register_hw+0xca6/0xcd0 [mac80= 211] [ 107.986237] iwl_mvm_mac_setup_register+0xbe6/0xde0 [= iwlmvm] [ 107.986267] iwl_mvm_start_post_nvm+0x5f/0xd0 [iwlmvm= ] [ 107.986296] iwl_op_mode_mvm_start+0xbc5/0xca0 [iwlmv= m] [ 107.986322] _iwl_op_mode_start.isra.0+0x3f/0xb0 [iwl= wifi] [ 107.986353] iwl_opmode_register+0x6f/0xe0 [iwlwifi] [ 107.986382] cmac_clone_tfm+0x18/0x30 [cmac] [ 107.986385] do_one_initcall+0x57/0x370 [ 107.986390] do_init_module+0x60/0x220 [ 107.986393] init_module_from_file+0x85/0xc0 [ 107.986396] idempotent_init_module+0x104/0x300 [ 107.986400] __x64_sys_finit_module+0x6d/0xd0 [ 107.986403] do_syscall_64+0x94/0xa10 [ 107.986407] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 107.986410] IN-SOFTIRQ-W at: [ 107.986412] __lock_acquire+0x3d6/0xbc0 [ 107.986416] lock_acquire.part.0+0xa1/0x210 [ 107.986419] _raw_spin_lock_bh+0x38/0x50 [ 107.986422] ieee80211_queue_skb+0xfd/0x350 [mac80211= ] [ 107.986548] __ieee80211_xmit_fast+0x202/0x360 [mac80= 211] [ 107.986666] ieee80211_xmit_fast+0xfb/0x1f0 [mac80211= ] [ 107.986774] __ieee80211_subif_start_xmit+0x14e/0x3d0= [mac80211] [ 107.986881] ieee80211_subif_start_xmit+0x46/0x230 [m= ac80211] [ 107.986983] dev_hard_start_xmit+0xa9/0x290 [ 107.986989] __dev_queue_xmit+0x1bc/0xc20 [ 107.986995] ip_finish_output2+0x1f7/0x800 [ 107.986999] ip_output+0xb3/0x3c0 [ 107.987002] igmp_ifc_timer_expire+0x21/0xf0 [ 107.987005] call_timer_fn+0xa5/0x250 [ 107.987009] __run_timers+0x1f2/0x2c0 [ 107.987011] run_timer_base+0x46/0x60 [ 107.987014] run_timer_softirq+0x1a/0x30 [ 107.987017] handle_softirqs+0xdb/0x3f0 [ 107.987020] __irq_exit_rcu+0xc1/0x130 [ 107.987022] irq_exit_rcu+0xe/0x30 [ 107.987025] sysvec_apic_timer_interrupt+0xa1/0xd0 [ 107.987028] asm_sysvec_apic_timer_interrupt+0x1a/0x2= 0 [ 107.987031] lock_is_held_type+0xee/0x120 [ 107.987034] mem_cgroup_from_task+0x6c/0xb0 [ 107.987039] handle_mm_fault+0x272/0x440 [ 107.987045] do_user_addr_fault+0x207/0x680 [ 107.987048] exc_page_fault+0x85/0x210 [ 107.987051] asm_exc_page_fault+0x26/0x30 [ 107.987054] INITIAL USE at: [ 107.987055] __lock_acquire+0x3d6/0xbc0 [ 107.987059] lock_acquire.part.0+0xa1/0x210 [ 107.987063] _raw_spin_lock_bh+0x38/0x50 [ 107.987065] ieee80211_get_txq_stats+0x30/0x190 [mac80= 211] [ 107.987191] nl80211_send_iface+0x369/0x820 [cfg80211] [ 107.987306] nl80211_notify_iface+0x4c/0xb0 [cfg80211] [ 107.987411] cfg80211_register_netdevice+0x6f/0xe0 [cf= g80211] [ 107.987520] ieee80211_if_add+0x3ba/0x670 [mac80211] [ 107.987644] ieee80211_register_hw+0xca6/0xcd0 [mac802= 11] [ 107.987759] iwl_mvm_mac_setup_register+0xbe6/0xde0 [i= wlmvm] [ 107.987788] iwl_mvm_start_post_nvm+0x5f/0xd0 [iwlmvm] [ 107.987817] iwl_op_mode_mvm_start+0xbc5/0xca0 [iwlmvm= ] [ 107.987843] _iwl_op_mode_start.isra.0+0x3f/0xb0 [iwlw= ifi] [ 107.987874] iwl_opmode_register+0x6f/0xe0 [iwlwifi] [ 107.987903] cmac_clone_tfm+0x18/0x30 [cmac] [ 107.987906] do_one_initcall+0x57/0x370 [ 107.987911] do_init_module+0x60/0x220 [ 107.987914] init_module_from_file+0x85/0xc0 [ 107.987917] idempotent_init_module+0x104/0x300 [ 107.987920] __x64_sys_finit_module+0x6d/0xd0 [ 107.987923] do_syscall_64+0x94/0xa10 [ 107.987928] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 107.987931] } [ 107.987932] ... key at: [] __key.11+0x0/0x10 [ma= c80211] [ 107.988053] ... acquired at: [ 107.988054] check_prev_add+0xfb/0xca0 [ 107.988058] validate_chain+0x48c/0x530 [ 107.988061] __lock_acquire+0x550/0xbc0 [ 107.988064] lock_acquire.part.0+0xa1/0x210 [ 107.988068] _raw_spin_lock_bh+0x38/0x50 [ 107.988070] ieee80211_queue_skb+0xfd/0x350 [mac80211] [ 107.988198] __ieee80211_xmit_fast+0x202/0x360 [mac80211] [ 107.988314] ieee80211_xmit_fast+0xfb/0x1f0 [mac80211] [ 107.988424] __ieee80211_subif_start_xmit+0x14e/0x3d0 [mac80211] [ 107.988530] ieee80211_subif_start_xmit+0x46/0x230 [mac80211] [ 107.988634] netpoll_start_xmit+0x8b/0xd0 [ 107.988638] __netpoll_send_skb+0x329/0x3b0 [ 107.988641] write_msg+0x104/0x120 [netconsole] [ 107.988647] console_emit_next_record+0x203/0x250 [ 107.988652] console_flush_all+0x24d/0x370 [ 107.988657] console_unlock+0x66/0x130 [ 107.988662] vprintk_emit+0x142/0x360 [ 107.988666] _printk+0x5b/0x80 [ 107.988671] enabled_store.cold+0x7e/0x83 [netconsole] [ 107.988677] configfs_write_iter+0xbd/0x120 [configfs] [ 107.988683] vfs_write+0x213/0x520 [ 107.988689] ksys_write+0x69/0xe0 [ 107.988691] do_syscall_64+0x94/0xa10 [ 107.988695] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 107.988699]=20 stack backtrace: [ 107.988703] CPU: 0 UID: 0 PID: 4031 Comm: netconsole.sh Kdump: loaded Ta= inted: G I 6.17.0.g8742b2d8-master #195 PREEMPT(lazy) b30= 3cf59d81e6fee2841762da0be977f2e8b800d [ 107.988711] Tainted: [I]=3DFIRMWARE_WORKAROUND [ 107.988712] Hardware name: HP HP Spectre x360 Convertible/804F, BIOS F.4= 7 11/22/2017 [ 107.988714] Call Trace: [ 107.988716] [ 107.988720] dump_stack_lvl+0x5b/0x80 [ 107.988727] print_bad_irq_dependency+0x2ba/0x2c0 [ 107.988735] check_irq_usage+0x36c/0x430 [ 107.988745] ? check_noncircular+0x81/0x150 [ 107.988753] ? check_prev_add+0xfb/0xca0 [ 107.988757] check_prev_add+0xfb/0xca0 [ 107.988763] validate_chain+0x48c/0x530 [ 107.988769] __lock_acquire+0x550/0xbc0 [ 107.988776] lock_acquire.part.0+0xa1/0x210 [ 107.988781] ? ieee80211_queue_skb+0xfd/0x350 [mac80211 6e705e26db77cf4a= b5101c61ecbd7b898fac9e56] [ 107.988896] ? rcu_is_watching+0x11/0x40 [ 107.988903] ? lock_acquire+0xee/0x130 [ 107.988909] _raw_spin_lock_bh+0x38/0x50 [ 107.988912] ? ieee80211_queue_skb+0xfd/0x350 [mac80211 6e705e26db77cf4a= b5101c61ecbd7b898fac9e56] [ 107.989021] ieee80211_queue_skb+0xfd/0x350 [mac80211 6e705e26db77cf4ab5= 101c61ecbd7b898fac9e56] [ 107.989128] __ieee80211_xmit_fast+0x202/0x360 [mac80211 6e705e26db77cf4= ab5101c61ecbd7b898fac9e56] [ 107.989239] ? __skb_get_hash_net+0x54/0x1f0 [ 107.989245] ? __skb_get_hash_net+0x54/0x1f0 [ 107.989254] ieee80211_xmit_fast+0xfb/0x1f0 [mac80211 6e705e26db77cf4ab5= 101c61ecbd7b898fac9e56] [ 107.989362] __ieee80211_subif_start_xmit+0x14e/0x3d0 [mac80211 6e705e26= db77cf4ab5101c61ecbd7b898fac9e56] [ 107.989465] ? __lock_acquire+0x550/0xbc0 [ 107.989474] ieee80211_subif_start_xmit+0x46/0x230 [mac80211 6e705e26db7= 7cf4ab5101c61ecbd7b898fac9e56] [ 107.989576] ? lock_acquire.part.0+0xb1/0x210 [ 107.989584] netpoll_start_xmit+0x8b/0xd0 [ 107.989589] __netpoll_send_skb+0x329/0x3b0 [ 107.989595] write_msg+0x104/0x120 [netconsole 641ec3b0b2ff98f93fe3092a7= f84ed3654235c84] [ 107.989603] ? console_emit_next_record+0x1de/0x250 [ 107.989610] console_emit_next_record+0x203/0x250 [ 107.989615] ? console_emit_next_record+0x1de/0x250 [ 107.989624] console_flush_all+0x24d/0x370 [ 107.989629] ? console_flush_all+0x3b/0x370 [ 107.989637] console_unlock+0x66/0x130 [ 107.989644] vprintk_emit+0x142/0x360 [ 107.989652] _printk+0x5b/0x80 [ 107.989661] enabled_store.cold+0x7e/0x83 [netconsole 641ec3b0b2ff98f93f= e3092a7f84ed3654235c84] [ 107.989671] configfs_write_iter+0xbd/0x120 [configfs fddadc1058896f4b55= fcdc7e57d7a9a452005598] [ 107.989680] vfs_write+0x213/0x520 [ 107.989691] ksys_write+0x69/0xe0 [ 107.989695] do_syscall_64+0x94/0xa10 [ 107.989701] ? entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 107.989704] ? lockdep_hardirqs_on+0x78/0x100 [ 107.989708] ? do_syscall_64+0x139/0xa10 [ 107.989713] ? exc_page_fault+0x85/0x210 [ 107.989716] ? __lock_release.isra.0+0x5d/0x180 [ 107.989721] ? exc_page_fault+0x85/0x210 [ 107.989724] ? exc_page_fault+0x85/0x210 [ 107.989726] ? lock_release+0x86/0x150 [ 107.989731] ? exc_page_fault+0x116/0x210 [ 107.989737] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 107.989740] RIP: 0033:0x7ff02f721000 [ 107.989745] Code: 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 = 90 90 90 90 90 90 90 90 80 3d 09 ca 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48= > 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 [ 107.989748] RSP: 002b:00007ffd43e35dc8 EFLAGS: 00000202 ORIG_RAX: 000000= 0000000001 [ 107.989754] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007ff02f7= 21000 [ 107.989757] RDX: 0000000000000002 RSI: 00005646d313ed00 RDI: 00000000000= 00001 [ 107.989759] RBP: 00005646d313ed00 R08: 0000000000000000 R09: 00000000000= 00000 [ 107.989761] R10: 0000000000000000 R11: 0000000000000202 R12: 00000000000= 00002 [ 107.989763] R13: 00007ff02f8005c0 R14: 00007ff02f7fdf60 R15: 00005646d31= 438e0 [ 107.989772] [ 107.989850] ------------[ cut here ]------------ [ 107.989852] WARNING: CPU: 0 PID: 4031 at net/mac80211/tx.c:3814 ieee8021= 1_tx_dequeue+0x71c/0x7e0 [mac80211] [ 107.989974] Modules linked in: netconsole ccm nf_nat_tftp nf_conntrack_t= ftp nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_rejec= t_ipv4 nf_reject_ipv6 nft_reject nft_ct af_packet nft_chain_nat nf_nat nf_c= onntrack nf_defrag_ipv6 nf_defrag_ipv4 nf_tables ip_set nfnetlink cmac algi= f_hash algif_skcipher af_alg iwlmvm binfmt_misc mac80211 snd_hda_codec_hdmi= snd_hda_codec_conexant snd_hda_codec_generic libarc4 intel_rapl_msr uvcvid= eo intel_rapl_common snd_hda_intel btusb snd_intel_dspcfg x86_pkg_temp_ther= mal btrtl intel_powerclamp uvc snd_hda_codec iwlwifi btbcm snd_hwdep videob= uf2_vmalloc coretemp iTCO_wdt btintel nls_iso8859_1 mei_pxp snd_hda_core vi= deobuf2_memops intel_pmc_bxt videobuf2_v4l2 nls_cp437 kvm_intel mei_hdcp iT= CO_vendor_support snd_pcm videobuf2_common mfd_core bluetooth cfg80211 vide= odev snd_timer kvm mc irqbypass mei_me snd i2c_i801 pcspkr rfkill soundcore= i2c_smbus mei thermal battery tiny_power_button ac button acpi_pad joydev = sch_fq_codel nfsd auth_rpcgss nfs_acl lockd grace sunrpc [ 107.990064] dm_mod fuse configfs dmi_sysfs hid_multitouch hid_generic u= sbhid i915 i2c_algo_bit drm_buddy drm_client_lib drm_display_helper polyval= _clmulni ghash_clmulni_intel drm_kms_helper cec rc_core video ttm xhci_pci = xhci_hcd ahci drm libahci usbcore libata wmi serio_raw sd_mod scsi_dh_emc s= csi_dh_rdac scsi_dh_alua sg scsi_mod scsi_common vfat fat virtio_blk virtio= _mmio virtio virtio_ring ext4 crc16 mbcache jbd2 loop msr efivarfs autofs4 = aesni_intel [ 107.990109] CPU: 0 UID: 0 PID: 4031 Comm: netconsole.sh Kdump: loaded Ta= inted: G I 6.17.0.g8742b2d8-master #195 PREEMPT(lazy) b30= 3cf59d81e6fee2841762da0be977f2e8b800d [ 107.990115] Tainted: [I]=3DFIRMWARE_WORKAROUND [ 107.990116] Hardware name: HP HP Spectre x360 Convertible/804F, BIOS F.4= 7 11/22/2017 [ 107.990118] RIP: 0010:ieee80211_tx_dequeue+0x71c/0x7e0 [mac80211] [ 107.990241] Code: 84 00 fc ff ff 48 8b 44 24 20 48 8b bc 24 a0 00 00 00 = 31 d2 48 8d 70 0a e8 51 6d ff ff 84 c0 0f 85 87 fa ff ff e9 db fb ff ff <0f= > 0b e9 32 f9 ff ff e8 58 2b 97 cd 85 c0 0f 85 9c fb ff ff e8 eb [ 107.990244] RSP: 0018:ffffd21786b8b6d0 EFLAGS: 00010246 [ 107.990247] RAX: 0000000000000002 RBX: ffff8a010ba768e0 RCX: 00000000000= 00002 [ 107.990249] RDX: ffffffffc159fee9 RSI: ffff8a0129034168 RDI: ffff8a0101b= 80e60 [ 107.990251] RBP: ffff8a0129034168 R08: 0000000000000000 R09: 00000000000= 00000 [ 107.990253] R10: ffffffffc159fee9 R11: 0000000000000003 R12: 00000000000= 00002 [ 107.990254] R13: ffff8a0129034000 R14: ffff8a0101b80e60 R15: ffff8a0101b= 830a8 [ 107.990257] FS: 00007ff02f99e740(0000) GS:ffff8a02ddc30000(0000) knlGS:= 0000000000000000 [ 107.990260] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 107.990262] CR2: 00007fd965d88560 CR3: 00000001155ef001 CR4: 00000000003= 726f0 [ 107.990265] Call Trace: [ 107.990267] [ 107.990271] ? rcu_is_watching+0x11/0x40 [ 107.990279] ? rcu_is_watching+0x11/0x40 [ 107.990284] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 107.990289] ? rcu_is_watching+0x11/0x40 [ 107.990295] ? lock_acquire+0xee/0x130 [ 107.990299] ? iwl_mvm_mac_itxq_xmit+0x59/0x1f0 [iwlmvm 0ca4634732a6b637= e7b0ee22fbce9d6f1340b022] [ 107.990332] iwl_mvm_mac_itxq_xmit+0xb3/0x1f0 [iwlmvm 0ca4634732a6b637e7= b0ee22fbce9d6f1340b022] [ 107.990362] ieee80211_queue_skb+0x21b/0x350 [mac80211 6e705e26db77cf4ab= 5101c61ecbd7b898fac9e56] [ 107.990480] __ieee80211_xmit_fast+0x202/0x360 [mac80211 6e705e26db77cf4= ab5101c61ecbd7b898fac9e56] [ 107.990596] ? __skb_get_hash_net+0x54/0x1f0 [ 107.990602] ? __skb_get_hash_net+0x54/0x1f0 [ 107.990611] ieee80211_xmit_fast+0xfb/0x1f0 [mac80211 6e705e26db77cf4ab5= 101c61ecbd7b898fac9e56] [ 107.990723] __ieee80211_subif_start_xmit+0x14e/0x3d0 [mac80211 6e705e26= db77cf4ab5101c61ecbd7b898fac9e56] [ 107.990829] ? __lock_acquire+0x550/0xbc0 [ 107.990837] ieee80211_subif_start_xmit+0x46/0x230 [mac80211 6e705e26db7= 7cf4ab5101c61ecbd7b898fac9e56] [ 107.990942] ? lock_acquire.part.0+0xb1/0x210 [ 107.990950] netpoll_start_xmit+0x8b/0xd0 [ 107.990955] __netpoll_send_skb+0x329/0x3b0 [ 107.990961] write_msg+0x104/0x120 [netconsole 641ec3b0b2ff98f93fe3092a7= f84ed3654235c84] [ 107.990970] ? console_emit_next_record+0x1de/0x250 [ 107.990976] console_emit_next_record+0x203/0x250 [ 107.990981] ? console_emit_next_record+0x1de/0x250 [ 107.990990] console_flush_all+0x24d/0x370 [ 107.990995] ? console_flush_all+0x3b/0x370 [ 107.991003] console_unlock+0x66/0x130 [ 107.991011] vprintk_emit+0x142/0x360 [ 107.991019] _printk+0x5b/0x80 [ 107.991028] enabled_store.cold+0x7e/0x83 [netconsole 641ec3b0b2ff98f93f= e3092a7f84ed3654235c84] [ 107.991037] configfs_write_iter+0xbd/0x120 [configfs fddadc1058896f4b55= fcdc7e57d7a9a452005598] [ 107.991046] vfs_write+0x213/0x520 [ 107.991058] ksys_write+0x69/0xe0 [ 107.991062] do_syscall_64+0x94/0xa10 [ 107.991067] ? entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 107.991070] ? lockdep_hardirqs_on+0x78/0x100 [ 107.991074] ? do_syscall_64+0x139/0xa10 [ 107.991080] ? exc_page_fault+0x85/0x210 [ 107.991082] ? __lock_release.isra.0+0x5d/0x180 [ 107.991088] ? exc_page_fault+0x85/0x210 [ 107.991090] ? exc_page_fault+0x85/0x210 [ 107.991093] ? lock_release+0x86/0x150 [ 107.991098] ? exc_page_fault+0x116/0x210 [ 107.991104] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 107.991107] RIP: 0033:0x7ff02f721000 [ 107.991110] Code: 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 = 90 90 90 90 90 90 90 90 80 3d 09 ca 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48= > 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 [ 107.991125] RSP: 002b:00007ffd43e35dc8 EFLAGS: 00000202 ORIG_RAX: 000000= 0000000001 [ 107.991131] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007ff02f7= 21000 [ 107.991134] RDX: 0000000000000002 RSI: 00005646d313ed00 RDI: 00000000000= 00001 [ 107.991137] RBP: 00005646d313ed00 R08: 0000000000000000 R09: 00000000000= 00000 [ 107.991139] R10: 0000000000000000 R11: 0000000000000202 R12: 00000000000= 00002 [ 107.991142] R13: 00007ff02f8005c0 R14: 00007ff02f7fdf60 R15: 00005646d31= 438e0 [ 107.991158] [ 107.991160] irq event stamp: 11319 [ 107.991161] hardirqs last enabled at (11317): [] asm_= sysvec_call_function+0x1a/0x20 [ 107.991167] hardirqs last disabled at (11318): [] cons= ole_emit_next_record+0x1c2/0x250 [ 107.991173] softirqs last enabled at (11068): [] rest= ore_fpregs_from_user+0x8c/0x180 [ 107.991177] softirqs last disabled at (11319): [] ieee= 80211_queue_skb+0xfd/0x350 [mac80211] [ 107.991296] ---[ end trace 0000000000000000 ]--- [ 107.991343] ------------[ cut here ]------------ [ 107.991345] netpoll_send_skb_on_dev(): wlan0 enabled interrupts in poll = (ieee80211_subif_start_xmit+0x0/0x230 [mac80211]) [ 107.991475] WARNING: CPU: 0 PID: 4031 at net/core/netpoll.c:359 __netpol= l_send_skb+0x382/0x3b0 [ 107.991481] Modules linked in: netconsole ccm nf_nat_tftp nf_conntrack_t= ftp nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_rejec= t_ipv4 nf_reject_ipv6 nft_reject nft_ct af_packet nft_chain_nat nf_nat nf_c= onntrack nf_defrag_ipv6 nf_defrag_ipv4 nf_tables ip_set nfnetlink cmac algi= f_hash algif_skcipher af_alg iwlmvm binfmt_misc mac80211 snd_hda_codec_hdmi= snd_hda_codec_conexant snd_hda_codec_generic libarc4 intel_rapl_msr uvcvid= eo intel_rapl_common snd_hda_intel btusb snd_intel_dspcfg x86_pkg_temp_ther= mal btrtl intel_powerclamp uvc snd_hda_codec iwlwifi btbcm snd_hwdep videob= uf2_vmalloc coretemp iTCO_wdt btintel nls_iso8859_1 mei_pxp snd_hda_core vi= deobuf2_memops intel_pmc_bxt videobuf2_v4l2 nls_cp437 kvm_intel mei_hdcp iT= CO_vendor_support snd_pcm videobuf2_common mfd_core bluetooth cfg80211 vide= odev snd_timer kvm mc irqbypass mei_me snd i2c_i801 pcspkr rfkill soundcore= i2c_smbus mei thermal battery tiny_power_button ac button acpi_pad joydev = sch_fq_codel nfsd auth_rpcgss nfs_acl lockd grace sunrpc [ 107.991550] dm_mod fuse configfs dmi_sysfs hid_multitouch hid_generic u= sbhid i915 i2c_algo_bit drm_buddy drm_client_lib drm_display_helper polyval= _clmulni ghash_clmulni_intel drm_kms_helper cec rc_core video ttm xhci_pci = xhci_hcd ahci drm libahci usbcore libata wmi serio_raw sd_mod scsi_dh_emc s= csi_dh_rdac scsi_dh_alua sg scsi_mod scsi_common vfat fat virtio_blk virtio= _mmio virtio virtio_ring ext4 crc16 mbcache jbd2 loop msr efivarfs autofs4 = aesni_intel [ 107.991588] CPU: 0 UID: 0 PID: 4031 Comm: netconsole.sh Kdump: loaded Ta= inted: G W I 6.17.0.g8742b2d8-master #195 PREEMPT(lazy) b30= 3cf59d81e6fee2841762da0be977f2e8b800d [ 107.991594] Tainted: [W]=3DWARN, [I]=3DFIRMWARE_WORKAROUND [ 107.991596] Hardware name: HP HP Spectre x360 Convertible/804F, BIOS F.4= 7 11/22/2017 [ 107.991597] RIP: 0010:__netpoll_send_skb+0x382/0x3b0 [ 107.991601] Code: 0f 85 65 ff ff ff 49 8b 44 24 08 49 8d b4 24 20 01 00 = 00 48 c7 c7 d8 cd 30 90 c6 05 3d 4b d7 00 01 48 8b 50 20 e8 be fd 5d ff <0f= > 0b e9 3a ff ff ff 9c 58 f6 c4 02 0f 84 a5 fd ff ff 80 3d 1b 4b [ 107.991604] RSP: 0018:ffffd21786b8ba98 EFLAGS: 00010282 [ 107.991607] RAX: 0000000000000000 RBX: ffff8a0258b64000 RCX: 00000000000= 00000 [ 107.991609] RDX: 0000000000000004 RSI: 0000000000000001 RDI: 00000000fff= fffff [ 107.991610] RBP: ffff8a012a7bb148 R08: 0000000000000000 R09: ffffd21786b= 8b860 [ 107.991612] R10: ffffffff9073e628 R11: 0000000000000003 R12: ffff8a010ba= 74000 [ 107.991614] R13: ffff8a010ee4ae00 R14: ffff8a0107196800 R15: 00000000000= 00000 [ 107.991616] FS: 00007ff02f99e740(0000) GS:ffff8a02ddc30000(0000) knlGS:= 0000000000000000 [ 107.991618] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 107.991621] CR2: 00007fd965d88560 CR3: 00000001155ef001 CR4: 00000000003= 726f0 [ 107.991623] Call Trace: [ 107.991624] [ 107.991629] write_msg+0x104/0x120 [netconsole 641ec3b0b2ff98f93fe3092a7= f84ed3654235c84] [ 107.991638] ? console_emit_next_record+0x1de/0x250 [ 107.991646] console_emit_next_record+0x203/0x250 [ 107.991651] ? console_emit_next_record+0x1de/0x250 [ 107.991660] console_flush_all+0x24d/0x370 [ 107.991665] ? console_flush_all+0x3b/0x370 [ 107.991672] console_unlock+0x66/0x130 [ 107.991680] vprintk_emit+0x142/0x360 [ 107.991688] _printk+0x5b/0x80 [ 107.991697] enabled_store.cold+0x7e/0x83 [netconsole 641ec3b0b2ff98f93f= e3092a7f84ed3654235c84] [ 107.991707] configfs_write_iter+0xbd/0x120 [configfs fddadc1058896f4b55= fcdc7e57d7a9a452005598] [ 107.991715] vfs_write+0x213/0x520 [ 107.991726] ksys_write+0x69/0xe0 [ 107.991731] do_syscall_64+0x94/0xa10 [ 107.991736] ? entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 107.991739] ? lockdep_hardirqs_on+0x78/0x100 [ 107.991743] ? do_syscall_64+0x139/0xa10 [ 107.991749] ? exc_page_fault+0x85/0x210 [ 107.991751] ? __lock_release.isra.0+0x5d/0x180 [ 107.991756] ? exc_page_fault+0x85/0x210 [ 107.991759] ? exc_page_fault+0x85/0x210 [ 107.991762] ? lock_release+0x86/0x150 [ 107.991767] ? exc_page_fault+0x116/0x210 [ 107.991773] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 107.991776] RIP: 0033:0x7ff02f721000 [ 107.991778] Code: 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 = 90 90 90 90 90 90 90 90 80 3d 09 ca 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48= > 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 [ 107.991781] RSP: 002b:00007ffd43e35dc8 EFLAGS: 00000202 ORIG_RAX: 000000= 0000000001 [ 107.991784] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007ff02f7= 21000 [ 107.991786] RDX: 0000000000000002 RSI: 00005646d313ed00 RDI: 00000000000= 00001 [ 107.991788] RBP: 00005646d313ed00 R08: 0000000000000000 R09: 00000000000= 00000 [ 107.991790] R10: 0000000000000000 R11: 0000000000000202 R12: 00000000000= 00002 [ 107.991792] R13: 00007ff02f8005c0 R14: 00007ff02f7fdf60 R15: 00005646d31= 438e0 [ 107.991801] [ 107.991802] irq event stamp: 11319 [ 107.991803] hardirqs last enabled at (11317): [] asm_= sysvec_call_function+0x1a/0x20 [ 107.991808] hardirqs last disabled at (11318): [] cons= ole_emit_next_record+0x1c2/0x250 [ 107.991813] softirqs last enabled at (11068): [] rest= ore_fpregs_from_user+0x8c/0x180 [ 107.991817] softirqs last disabled at (11319): [] ieee= 80211_queue_skb+0xfd/0x350 [mac80211] [ 107.991940] ---[ end trace 0000000000000000 ]--- [ 108.006632] ------------[ cut here ]------------ [ 108.006635] WARNING: CPU: 0 PID: 4031 at net/core/netpoll.c:505 netpoll_= send_udp+0x3b3/0x3c0 [ 108.006642] Modules linked in: netconsole ccm nf_nat_tftp nf_conntrack_t= ftp nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_rejec= t_ipv4 nf_reject_ipv6 nft_reject nft_ct af_packet nft_chain_nat nf_nat nf_c= onntrack nf_defrag_ipv6 nf_defrag_ipv4 nf_tables ip_set nfnetlink cmac algi= f_hash algif_skcipher af_alg iwlmvm binfmt_misc mac80211 snd_hda_codec_hdmi= snd_hda_codec_conexant snd_hda_codec_generic libarc4 intel_rapl_msr uvcvid= eo intel_rapl_common snd_hda_intel btusb snd_intel_dspcfg x86_pkg_temp_ther= mal btrtl intel_powerclamp uvc snd_hda_codec iwlwifi btbcm snd_hwdep videob= uf2_vmalloc coretemp iTCO_wdt btintel nls_iso8859_1 mei_pxp snd_hda_core vi= deobuf2_memops intel_pmc_bxt videobuf2_v4l2 nls_cp437 kvm_intel mei_hdcp iT= CO_vendor_support snd_pcm videobuf2_common mfd_core bluetooth cfg80211 vide= odev snd_timer kvm mc irqbypass mei_me snd i2c_i801 pcspkr rfkill soundcore= i2c_smbus mei thermal battery tiny_power_button ac button acpi_pad joydev = sch_fq_codel nfsd auth_rpcgss nfs_acl lockd grace sunrpc [ 108.006697] dm_mod fuse configfs dmi_sysfs hid_multitouch hid_generic u= sbhid i915 i2c_algo_bit drm_buddy drm_client_lib drm_display_helper polyval= _clmulni ghash_clmulni_intel drm_kms_helper cec rc_core video ttm xhci_pci = xhci_hcd ahci drm libahci usbcore libata wmi serio_raw sd_mod scsi_dh_emc s= csi_dh_rdac scsi_dh_alua sg scsi_mod scsi_common vfat fat virtio_blk virtio= _mmio virtio virtio_ring ext4 crc16 mbcache jbd2 loop msr efivarfs autofs4 = aesni_intel [ 108.006729] CPU: 0 UID: 0 PID: 4031 Comm: netconsole.sh Kdump: loaded Ta= inted: G W I 6.17.0.g8742b2d8-master #195 PREEMPT(lazy) b30= 3cf59d81e6fee2841762da0be977f2e8b800d [ 108.006735] Tainted: [W]=3DWARN, [I]=3DFIRMWARE_WORKAROUND [ 108.006736] Hardware name: HP HP Spectre x360 Convertible/804F, BIOS F.4= 7 11/22/2017 [ 108.006737] RIP: 0010:netpoll_send_udp+0x3b3/0x3c0 [ 108.006740] Code: 0c 13 71 10 48 8d 49 04 ff ca 75 f5 83 d6 00 89 f2 c1 = ee 10 66 01 d6 83 d6 00 f7 d6 66 89 70 0a b8 08 00 00 00 e9 a4 fe ff ff <0f= > 0b e9 75 fc ff ff 66 0f 1f 44 00 00 f3 0f 1e fa 0f 1f 44 00 00 [ 108.006743] RSP: 0018:ffffd21786b8ba88 EFLAGS: 00010202 [ 108.006745] RAX: 0000000000000296 RBX: ffff8a012a7bb148 RCX: 00000000000= 00000 [ 108.006747] RDX: 0000000000000028 RSI: ffffffff91aa2428 RDI: ffff8a012a7= bb148 [ 108.006748] RBP: ffffd21786b8bac8 R08: 0000000000000000 R09: 00000000000= 00000 [ 108.006750] R10: ffffffffc159fee9 R11: 0000000000000000 R12: 00000000000= 00410 [ 108.006751] R13: 0000000000000028 R14: ffff8a012a7bb148 R15: ffffffff91a= a2428 [ 108.006752] FS: 00007ff02f99e740(0000) GS:ffff8a02ddc30000(0000) knlGS:= 0000000000000000 [ 108.006754] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 108.006756] CR2: 00007fd965d88560 CR3: 00000001155ef001 CR4: 00000000003= 726f0 [ 108.006757] Call Trace: [ 108.006760] [ 108.006763] ? __netpoll_send_skb+0xc9/0x3b0 [ 108.006769] write_msg+0x104/0x120 [netconsole 641ec3b0b2ff98f93fe3092a7= f84ed3654235c84] [ 108.006777] ? console_emit_next_record+0x1de/0x250 [ 108.006782] console_emit_next_record+0x203/0x250 [ 108.006786] ? console_emit_next_record+0x1de/0x250 [ 108.006791] console_flush_all+0x24d/0x370 [ 108.006795] ? console_flush_all+0x3b/0x370 [ 108.006799] console_unlock+0x66/0x130 [ 108.006804] vprintk_emit+0x142/0x360 [ 108.006809] _printk+0x5b/0x80 [ 108.006816] enabled_store.cold+0x7e/0x83 [netconsole 641ec3b0b2ff98f93f= e3092a7f84ed3654235c84] [ 108.006823] configfs_write_iter+0xbd/0x120 [configfs fddadc1058896f4b55= fcdc7e57d7a9a452005598] [ 108.006829] vfs_write+0x213/0x520 [ 108.006836] ksys_write+0x69/0xe0 [ 108.006839] do_syscall_64+0x94/0xa10 [ 108.006843] ? entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 108.006845] ? lockdep_hardirqs_on+0x78/0x100 [ 108.006848] ? do_syscall_64+0x139/0xa10 [ 108.006852] ? exc_page_fault+0x85/0x210 [ 108.006853] ? __lock_release.isra.0+0x5d/0x180 [ 108.006857] ? exc_page_fault+0x85/0x210 [ 108.006859] ? exc_page_fault+0x85/0x210 [ 108.006861] ? lock_release+0x86/0x150 [ 108.006864] ? exc_page_fault+0x116/0x210 [ 108.006868] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 108.006870] RIP: 0033:0x7ff02f721000 [ 108.006873] Code: 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 = 90 90 90 90 90 90 90 90 80 3d 09 ca 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48= > 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 [ 108.006875] RSP: 002b:00007ffd43e35dc8 EFLAGS: 00000202 ORIG_RAX: 000000= 0000000001 [ 108.006877] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007ff02f7= 21000 [ 108.006879] RDX: 0000000000000002 RSI: 00005646d313ed00 RDI: 00000000000= 00001 [ 108.006880] RBP: 00005646d313ed00 R08: 0000000000000000 R09: 00000000000= 00000 [ 108.006881] R10: 0000000000000000 R11: 0000000000000202 R12: 00000000000= 00002 [ 108.006882] R13: 00007ff02f8005c0 R14: 00007ff02f7fdf60 R15: 00005646d31= 438e0 [ 108.006888] [ 108.006889] irq event stamp: 11319 [ 108.006890] hardirqs last enabled at (11317): [] asm_= sysvec_call_function+0x1a/0x20 [ 108.006893] hardirqs last disabled at (11318): [] cons= ole_emit_next_record+0x1c2/0x250 [ 108.006896] softirqs last enabled at (11068): [] rest= ore_fpregs_from_user+0x8c/0x180 [ 108.006899] softirqs last disabled at (11319): [] ieee= 80211_queue_skb+0xfd/0x350 [mac80211] [ 108.006991] ---[ end trace 0000000000000000 ]--- [ 130.992035] netfs: FS-Cache loaded [ 131.108351] Key type dns_resolver registered [ 131.408618] NFS: Registering the id_resolver key type [ 131.408693] Key type id_resolver registered [ 131.408728] Key type id_legacy registered