Also began happening for me, starting a week ago (but no apparent cause). Ubuntu 20.04, 5.4.0-42-generic, Intel NUC. Same symptom of wildly scrolling kernel log, eventually fills the disk.
Aug 19 04:59:23 skully kernel: [67510.402179] ------------[ cut here ]------------ Aug 19 04:59:23 skully kernel: [67510.402182] wlp3s0: Failed check-sdata-in-driver check, flags: 0x0 Aug 19 04:59:23 skully kernel: [67510.402208] WARNING: CPU: 2 PID: 11396 at net/mac80211/driver-ops.h:17 drv_sta_state+0x254/0x3f0 [mac80211] Aug 19 04:59:23 skully kernel: [67510.402210] Modules linked in: rfcomm cmac algif_hash algif_skcipher af_alg bnep snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic ledtrig_audio binfmt_misc intel_rapl_msr intel_rapl_common x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm mei_hdcp crct10dif_pclmul ghash_clmulni_intel snd_hda_intel snd_intel_dspcfg snd_hda_codec snd_hda_core snd_usb_audio snd_usbmidi_lib snd_hwdep aesni_intel snd_seq_midi iwlmvm crypto_simd snd_seq_midi_event cryptd glue_helper intel_cstate mac80211 uvcvideo videobuf2_vmalloc intel_rapl_perf videobuf2_memops libarc4 snd_rawmidi videobuf2_v4l2 videobuf2_common iwlwifi snd_pcm snd_seq videodev btusb snd_seq_device i915 mc joydev input_leds btrtl snd_timer btbcm intel_wmi_thunderbolt btintel snd bluetooth cfg80211 mei_me drm_kms_helper soundcore mei i2c_algo_bit intel_pch_thermal ecdh_generic fb_sys_fops ecc syscopyarea sysfillrect sysimgblt ir_rc6_decoder rc_rc6_mce nuvoton_cir rc_core acpi_pad mac_hid sch_fq_codel parport_pc ppdev lp Aug 19 04:59:23 skully kernel: [67510.402254] parport drm ip_tables x_tables autofs4 hid_generic usbhid hid crc32_pclmul e1000e sdhci_pci ahci cqhci i2c_i801 sdhci libahci wmi video Aug 19 04:59:23 skully kernel: [67510.402257] CPU: 2 PID: 11396 Comm: kworker/u16:2 Tainted: G W 5.4.0-42-generic #46-Ubuntu Aug 19 04:59:23 skully kernel: [67510.402258] Hardware name: /NUC6i7KYB, BIOS KYSKLi70.86A.0059.2018.1122.1431 11/22/2018 Aug 19 04:59:23 skully kernel: [67510.402272] Workqueue: phy0 ieee80211_csa_connection_drop_work [mac80211] Aug 19 04:59:23 skully kernel: [67510.402286] RIP: 0010:drv_sta_state+0x254/0x3f0 [mac80211] Aug 19 04:59:23 skully kernel: [67510.402288] Code: 00 45 31 ed e9 66 fe ff ff 48 8b 83 78 04 00 00 48 8d b3 98 04 00 00 48 c7 c7 c8 68 a1 c0 48 85 c0 48 0f 45 f0 e8 57 c1 10 f6 <0f> 0b 41 bd fb ff ff ff e9 3d fe ff ff 65 8b 05 e8 ac 67 3f 89 c0 Aug 19 04:59:23 skully kernel: [67510.402288] RSP: 0018:ffffad69c7a9bc98 EFLAGS: 00010282 Aug 19 04:59:23 skully kernel: [67510.402289] RAX: 0000000000000000 RBX: ffff8da4176488c0 RCX: 0000000000000006 Aug 19 04:59:23 skully kernel: [67510.402290] RDX: 0000000000000007 RSI: 0000000000000082 RDI: ffff8da41ea978c0 Aug 19 04:59:23 skully kernel: [67510.402291] RBP: ffffad69c7a9bcd0 R08: 00000000509a06a0 R09: 0000000000000004 Aug 19 04:59:23 skully kernel: [67510.402291] R10: 0000000000000000 R11: 0000000000000001 R12: ffff8da4176b07a0 Aug 19 04:59:23 skully kernel: [67510.402291] R13: ffff8da4176b07a0 R14: 0000000000000004 R15: ffff8da4176b0d68 Aug 19 04:59:23 skully kernel: [67510.402292] FS: 0000000000000000(0000) GS:ffff8da41ea80000(0000) knlGS:0000000000000000 Aug 19 04:59:23 skully kernel: [67510.402293] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 Aug 19 04:59:23 skully kernel: [67510.402293] CR2: 00007f81f39aa028 CR3: 000000033560a005 CR4: 00000000003606e0 Aug 19 04:59:23 skully kernel: [67510.402294] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 Aug 19 04:59:23 skully kernel: [67510.402294] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Aug 19 04:59:23 skully kernel: [67510.402295] Call Trace: Aug 19 04:59:23 skully kernel: [67510.402304] sta_info_move_state+0x276/0x370 [mac80211] Aug 19 04:59:23 skully kernel: [67510.402319] __sta_info_destroy_part2+0x2f/0x180 [mac80211] Aug 19 04:59:23 skully kernel: [67510.402334] __sta_info_flush+0x128/0x180 [mac80211] Aug 19 04:59:23 skully kernel: [67510.402349] ieee80211_set_disassoc+0xc0/0x5f0 [mac80211] Aug 19 04:59:23 skully kernel: [67510.402354] ? _raw_spin_unlock_bh+0x1e/0x20 Aug 19 04:59:23 skully kernel: [67510.402369] __ieee80211_disconnect+0x86/0x120 [mac80211] Aug 19 04:59:23 skully kernel: [67510.402380] ieee80211_csa_connection_drop_work+0x15/0x20 [mac80211] Aug 19 04:59:23 skully kernel: [67510.402383] process_one_work+0x1eb/0x3b0 Aug 19 04:59:23 skully kernel: [67510.402387] worker_thread+0x4d/0x400 Aug 19 04:59:23 skully kernel: [67510.402391] kthread+0x104/0x140 Aug 19 04:59:23 skully kernel: [67510.402394] ? process_one_work+0x3b0/0x3b0 Aug 19 04:59:23 skully kernel: [67510.402397] ? kthread_park+0x90/0x90 Aug 19 04:59:23 skully kernel: [67510.402400] ret_from_fork+0x35/0x40 Aug 19 04:59:23 skully kernel: [67510.402403] ---[ end trace f0619759527e8d71 ]--- In all cases it seems to be related to disconnection/deassociation? -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1882419 Title: Intel 3945ABG [8086:4227] Subsystem [8086:1010]: syslog flooded with "wlan0: Failed check-sdata-in-driver check, flags: 0x4" Status in linux package in Ubuntu: Confirmed Bug description: This issue can be found since 4.15.0-99-generic Not sure how to reproduce this yet. But when this happens syslog will be flooded with the following error message, the wifi led will be off, the disk I/O LED will keep blinking (I guess it's writing those log) and the system will be very slow. May 1 22:53:47 allen-laptop kernel: [ 1380.068692] ------------[ cut here ]------------ May 1 22:53:47 allen-laptop kernel: [ 1380.068693] wlan0: Failed check-sdata-in-driver check, flags: 0x4 May 1 22:53:47 allen-laptop kernel: [ 1380.068717] WARNING: CPU: 0 PID: 3 at /build/linux-OORAka/linux-4.15.0/net/mac80211/driver-ops.h:18 drv_sta_state+0x13d/0x3b0 [mac80211] May 1 22:53:47 allen-laptop kernel: [ 1380.068718] Modules linked in: rfcomm ccm bnep toshiba_acpi sparse_keymap industrialio toshiba_haps hp_accel lis3lv02d hdaps input_polldev binfmt_misc btusb btrtl btbcm btintel bluetooth coretemp ecdh_generic kvm irqbypass joydev input_leds serio_raw pcmcia snd_hda_codec_analog snd_hda_codec_generic wmi_bmof r852 sm_common nand nand_ecc nand_bch bch yenta_socket mtd pcmcia_rsrc r592 pcmcia_core memstick lpc_ich arc4 iwl3945 thinkpad_acpi iwlegacy nvram mac80211 snd_seq_midi snd_seq_midi_event snd_rawmidi snd_hda_intel snd_hda_codec snd_hda_core cfg80211 snd_hwdep snd_pcm snd_seq snd_seq_device shpchp snd_timer snd soundcore mac_hid sch_fq_codel cuse parport_pc ppdev lp parport ip_tables x_tables autofs4 i915 psmouse i2c_algo_bit ahci libahci sdhci_pci firewire_ohci drm_kms_helper e1000e firewire_core May 1 22:53:47 allen-laptop kernel: [ 1380.068741] pata_acpi sdhci syscopyarea crc_itu_t sysfillrect sysimgblt fb_sys_fops ptp drm pps_core wmi video May 1 22:53:47 allen-laptop kernel: [ 1380.068747] CPU: 0 PID: 3 Comm: kworker/0:0 Tainted: G W 4.15.0-99-generic #100-Ubuntu May 1 22:53:47 allen-laptop kernel: [ 1380.068749] Hardware name: LENOVO 7733BW8/7733BW8, BIOS 7LETC4WW (2.24 ) 08/15/2008 May 1 22:53:47 allen-laptop kernel: [ 1380.068766] Workqueue: events_freezable ieee80211_restart_work [mac80211] May 1 22:53:47 allen-laptop kernel: [ 1380.068782] EIP: drv_sta_state+0x13d/0x3b0 [mac80211] May 1 22:53:47 allen-laptop kernel: [ 1380.068784] EFLAGS: 00010292 CPU: 0 May 1 22:53:47 allen-laptop kernel: [ 1380.068785] EAX: 00000036 EBX: f48f8000 ECX: f4dcd670 EDX: 00000007 May 1 22:53:47 allen-laptop kernel: [ 1380.068786] ESI: 00000003 EDI: f48f8580 EBP: ed539bac ESP: ed539b88 May 1 22:53:47 allen-laptop kernel: [ 1380.068787] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068 May 1 22:53:47 allen-laptop kernel: [ 1380.068788] CR0: 80050033 CR2: b6263160 CR3: 283c0000 CR4: 000006f0 May 1 22:53:47 allen-laptop kernel: [ 1380.068789] Call Trace: May 1 22:53:47 allen-laptop kernel: [ 1380.068807] sta_info_move_state+0x275/0x360 [mac80211] May 1 22:53:47 allen-laptop kernel: [ 1380.068825] __sta_info_destroy_part2+0x35/0x180 [mac80211] May 1 22:53:47 allen-laptop kernel: [ 1380.068842] __sta_info_flush+0x115/0x190 [mac80211] May 1 22:53:47 allen-laptop kernel: [ 1380.068864] ieee80211_set_disassoc+0xb7/0x3f0 [mac80211] May 1 22:53:47 allen-laptop kernel: [ 1380.068886] ieee80211_mgd_deauth+0x279/0x450 [mac80211] May 1 22:53:47 allen-laptop kernel: [ 1380.068889] ? check_preempt_curr+0x27/0x80 May 1 22:53:47 allen-laptop kernel: [ 1380.068909] ? ieee80211_disassoc+0x20/0x20 [mac80211] May 1 22:53:47 allen-laptop kernel: [ 1380.068929] ieee80211_deauth+0x16/0x20 [mac80211] May 1 22:53:47 allen-laptop kernel: [ 1380.068948] cfg80211_mlme_deauth+0x99/0x190 [cfg80211] May 1 22:53:47 allen-laptop kernel: [ 1380.068967] cfg80211_mlme_down+0x52/0x70 [cfg80211] May 1 22:53:47 allen-laptop kernel: [ 1380.068987] cfg80211_disconnect+0x114/0x1e0 [cfg80211] May 1 22:53:47 allen-laptop kernel: [ 1380.069002] __cfg80211_leave+0x135/0x180 [cfg80211] May 1 22:53:47 allen-laptop kernel: [ 1380.069018] cfg80211_leave+0x22/0x30 [cfg80211] May 1 22:53:47 allen-laptop kernel: [ 1380.069034] ? cfg80211_leave+0x30/0x30 [cfg80211] May 1 22:53:47 allen-laptop kernel: [ 1380.069049] cfg80211_netdev_notifier_call+0x2fd/0x700 [cfg80211] May 1 22:53:47 allen-laptop kernel: [ 1380.069052] ? sched_slice.isra.57+0x55/0xb0 May 1 22:53:47 allen-laptop kernel: [ 1380.069056] ? __update_load_avg_se.isra.29+0x2b3/0x2c0 May 1 22:53:47 allen-laptop kernel: [ 1380.069059] ? update_load_avg+0x64f/0x830 May 1 22:53:47 allen-laptop kernel: [ 1380.069062] ? update_load_avg+0x64f/0x830 May 1 22:53:47 allen-laptop kernel: [ 1380.069065] ? inetdev_event+0x2b/0x560 May 1 22:53:47 allen-laptop kernel: [ 1380.069068] ? skb_dequeue+0x5b/0x70 May 1 22:53:47 allen-laptop kernel: [ 1380.069070] ? wireless_nlevent_flush+0x4c/0x90 May 1 22:53:47 allen-laptop kernel: [ 1380.069086] ? cfg80211_leave+0x30/0x30 [cfg80211] May 1 22:53:47 allen-laptop kernel: [ 1380.069089] notifier_call_chain+0x51/0x80 May 1 22:53:47 allen-laptop kernel: [ 1380.069091] raw_notifier_call_chain+0x11/0x20 May 1 22:53:47 allen-laptop kernel: [ 1380.069095] call_netdevice_notifiers_info+0x25/0x50 May 1 22:53:47 allen-laptop kernel: [ 1380.069097] __dev_close_many+0x56/0xf0 May 1 22:53:47 allen-laptop kernel: [ 1380.069100] dev_close_many+0x63/0xf0 May 1 22:53:47 allen-laptop kernel: [ 1380.069103] dev_close.part.87+0x35/0x60 May 1 22:53:47 allen-laptop kernel: [ 1380.069105] dev_close+0x18/0x20 May 1 22:53:47 allen-laptop kernel: [ 1380.069121] cfg80211_shutdown_all_interfaces+0x6c/0xc0 [cfg80211] May 1 22:53:47 allen-laptop kernel: [ 1380.069142] ieee80211_handle_reconfig_failure+0x91/0xb0 [mac80211] May 1 22:53:47 allen-laptop kernel: [ 1380.069163] ieee80211_reconfig+0x249/0x14e0 [mac80211] May 1 22:53:47 allen-laptop kernel: [ 1380.069166] ? try_to_del_timer_sync+0x45/0x70 May 1 22:53:47 allen-laptop kernel: [ 1380.069183] ieee80211_restart_work+0xb1/0xe0 [mac80211] May 1 22:53:47 allen-laptop kernel: [ 1380.069186] process_one_work+0x1b9/0x3e0 May 1 22:53:47 allen-laptop kernel: [ 1380.069189] worker_thread+0x37/0x420 May 1 22:53:47 allen-laptop kernel: [ 1380.069192] kthread+0xf0/0x110 May 1 22:53:47 allen-laptop kernel: [ 1380.069194] ? process_one_work+0x3e0/0x3e0 May 1 22:53:47 allen-laptop kernel: [ 1380.069197] ? kthread_create_worker_on_cpu+0x20/0x20 May 1 22:53:47 allen-laptop kernel: [ 1380.069200] ret_from_fork+0x2e/0x38 May 1 22:53:47 allen-laptop kernel: [ 1380.069202] Code: 85 f6 75 ea 8d 65 f4 89 f8 5b 5e 5f 5d c3 8b 93 c4 02 00 00 81 c3 d4 02 00 00 50 85 d2 0f 45 da 53 68 f4 4f 35 f8 e8 c3 21 d9 db <0f> 0b 83 c4 0c 8d 65 f4 bf fb ff ff ff 89 f8 5b 5e 5f 5d c3 8d May 1 22:53:47 allen-laptop kernel: [ 1380.069224] ---[ end trace 3b15919b5f18d41d ]--- $ dmesg | egrep 'iwl|firm' [ 4.325964] psmouse serio2: trackpoint: IBM TrackPoint firmware: 0x0e, buttons: 3/3 [ 29.140771] iwl3945: Intel(R) PRO/Wireless 3945ABG/BG Network Connection driver for Linux, in-tree:s [ 29.140773] iwl3945: Copyright(c) 2003-2011 Intel Corporation [ 29.140773] iwl3945: hw_scan is disabled [ 29.140832] iwl3945 0000:03:00.0: can't disable ASPM; OS doesn't have ASPM control [ 29.200843] iwl3945 0000:03:00.0: Tunable channels: 11 802.11bg, 13 802.11a channels [ 29.200846] iwl3945 0000:03:00.0: Detected Intel Wireless WiFi Link 3945ABG [ 29.251637] ieee80211 phy0: Selected rate control algorithm 'iwl-3945-rs' [ 179.894551] iwl3945 0000:03:00.0: loaded firmware version 15.32.2.9 [ 182.473316] iwl3945 0000:03:00.0: Enabling power save might cause firmware crashes ProblemType: Bug DistroRelease: Ubuntu 18.04 Package: linux-image-4.15.0-101-generic 4.15.0-101.102 ProcVersionSignature: Ubuntu 4.15.0-101.102-generic 4.15.18 Uname: Linux 4.15.0-101-generic i686 ApportVersion: 2.20.9-0ubuntu7.15 Architecture: i386 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: allen 1523 F.... pulseaudio CurrentDesktop: ubuntu:GNOME Date: Sun Jun 7 15:48:01 2020 HibernationDevice: RESUME=UUID=b2e0a997-adf9-4d21-b68a-e58293980474 InstallationDate: Installed on 2013-04-29 (2595 days ago) InstallationMedia: Ubuntu 10.04.4 LTS "Lucid Lynx" - Release i386 (20120214.2) MachineType: LENOVO 7733BW8 PccardctlIdent: Socket 0: no product info available PccardctlStatus: Socket 0: no card ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-101-generic root=UUID=c01a551c-583f-4fe3-8866-0f89a6aa5934 ro quiet splash vt.handoff=1 RelatedPackageVersions: linux-restricted-modules-4.15.0-101-generic N/A linux-backports-modules-4.15.0-101-generic N/A linux-firmware 1.173.18 SourcePackage: linux UpgradeStatus: Upgraded to bionic on 2018-08-30 (647 days ago) dmi.bios.date: 08/15/2008 dmi.bios.vendor: LENOVO dmi.bios.version: 7LETC4WW (2.24 ) dmi.board.name: 7733BW8 dmi.board.vendor: LENOVO dmi.board.version: Not Available dmi.chassis.asset.tag: No Asset Information dmi.chassis.type: 10 dmi.chassis.vendor: LENOVO dmi.chassis.version: Not Available dmi.modalias: dmi:bvnLENOVO:bvr7LETC4WW(2.24):bd08/15/2008:svnLENOVO:pn7733BW8:pvrThinkPadR61:rvnLENOVO:rn7733BW8:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable: dmi.product.family: ThinkPad R61 dmi.product.name: 7733BW8 dmi.product.version: ThinkPad R61 dmi.sys.vendor: LENOVO To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1882419/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp

