each time I connect to the corporate wpa-enterprise network, iwlmvm crashes distro is ArchLinux - kernel is 4.19.0-rc8+ - networkmanager 1.14.1dev+13+g0d3234478-1 - wpa_supplicant 1:2.6-12 [ 1257.940526] BUG: scheduling while atomic: irq/133-iwlwifi/388/0x00000403 [ 1257.940535] Modules linked in: ccm cmac rfcomm joydev mousedev rmi_smbus bnep rmi_core arc4 iTCO_wdt iTCO_vendor_support wmi_bmof intel_wmi_thunderbolt iwlmvm snd_soc_skl snd_soc_skl_ipc snd_soc_sst_ipc mac80211 snd_soc_sst_dsp snd_hda_ext_core btusb snd_soc_acpi_intel_match snd_soc_acpi uvcvideo intel_rapl snd_soc_core snd_hda_codec_hdmi x86_pkg_temp_thermal intel_powerclamp btrtl snd_hda_codec_conexant snd_hda_codec_generic snd_compress videobuf2_vmalloc btbcm videobuf2_memops ac97_bus btintel videobuf2_v4l2 coretemp snd_pcm_dmaengine iwlwifi videobuf2_common psmouse snd_hda_intel kvm_intel bluetooth videodev snd_hda_codec e1000e intel_cstate qcserial intel_uncore intel_rapl_perf usb_wwan cdc_mbim cdc_wdm input_leds snd_hda_core pcspkr media cdc_ncm usbserial usbnet mii cfg80211 snd_hwdep ecdh_generic [ 1257.940645] snd_pcm ptp pps_core i2c_i801 snd_timer rtsx_pci_ms thinkpad_acpi memstick mei_me mei intel_pch_thermal nvram ucsi_acpi typec_ucsi rfkill tpm_crb typec wmi snd soundcore led_class i2c_hid battery ac tpm_tis rtc_cmos hid tpm_tis_core evdev tpm mac_hid rng_core pcc_cpufreq usbip_host usbip_core sg scsi_mod crypto_user ip_tables x_tables ext4 crc32c_generic crc16 mbcache jbd2 fscrypto algif_skcipher af_alg dm_crypt dm_mod rtsx_pci_sdmmc crct10dif_pclmul crc32_pclmul serio_raw crc32c_intel ghash_clmulni_intel atkbd mmc_core pcbc libps2 aesni_intel xhci_pci aes_x86_64 crypto_simd xhci_hcd cryptd glue_helper usbcore rtsx_pci usb_common i8042 serio nls_iso8859_1 nls_cp437 vfat fat i915 intel_gtt i2c_algo_bit drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops drm agpgart kvmgt vfio_mdev [ 1257.940816] mdev vfio_iommu_type1 vfio kvm irqbypass [ 1257.940833] Preemption disabled at: [ 1257.940865] [<ffffffffc0f4a705>] iwl_pcie_irq_handler+0x6f5/0xbc0 [iwlwifi] [ 1257.940882] CPU: 2 PID: 388 Comm: irq/133-iwlwifi Tainted: G W 4.19.0-rc8+ #14 [ 1257.940887] Hardware name: LENOVO 20HQS0LV00/20HQS0LV00, BIOS N1MET49W (1.34 ) 07/02/2018 [ 1257.940892] Call Trace: [ 1257.940912] dump_stack+0x5c/0x80 [ 1257.940938] ? iwl_pcie_irq_handler+0x6f5/0xbc0 [iwlwifi] [ 1257.940950] __schedule_bug.cold.14+0x82/0x9b [ 1257.940960] __schedule+0x6fd/0x8b0 [ 1257.940971] schedule+0x32/0x90 [ 1257.940981] schedule_timeout+0x1d1/0x4a0 [ 1257.940995] ? collect_expired_timers+0xa0/0xa0 [ 1257.941025] iwl_trans_pcie_send_hcmd+0x2a4/0x520 [iwlwifi] [ 1257.941039] ? wait_woken+0x80/0x80 [ 1257.941075] iwl_trans_send_cmd+0x61/0xd0 [iwlwifi] [ 1257.941099] iwl_mvm_send_cmd+0x2c/0x90 [iwlmvm] [ 1257.941125] ? rs_fill_lq_cmd+0x267/0x4e0 [iwlmvm] [ 1257.941145] iwl_mvm_send_lq_cmd+0x73/0xa0 [iwlmvm] [ 1257.941168] iwl_mvm_rs_rate_init+0x952/0xd10 [iwlmvm] [ 1257.941192] iwl_mvm_rs_tx_status+0x66c/0x21c0 [iwlmvm] [ 1257.941247] ? ieee80211_prepare_and_rx_handle+0xbe7/0x1250 [mac80211] [ 1257.941288] rate_control_tx_status+0x9e/0xb0 [mac80211] [ 1257.941320] __ieee80211_tx_status+0x449/0x8e0 [mac80211] [ 1257.941355] ? sta_info_hash_lookup+0xe3/0x120 [mac80211] [ 1257.941384] ieee80211_tx_status+0x89/0xc0 [mac80211] [ 1257.941406] iwl_mvm_rx_tx_cmd+0x447/0x8b0 [iwlmvm] [ 1257.941432] ? iwl_pcie_gen2_tx_init+0x140/0x140 [iwlwifi] [ 1257.941451] iwl_pcie_rx_handle+0x252/0x9e0 [iwlwifi] [ 1257.941472] iwl_pcie_irq_handler+0x6ff/0xbc0 [iwlwifi] [ 1257.941484] ? irq_forced_thread_fn+0x70/0x70 [ 1257.941492] irq_thread_fn+0x1f/0x50 [ 1257.941501] irq_thread+0xe7/0x170 [ 1257.941510] ? wake_threads_waitq+0x30/0x30 [ 1257.941522] ? irq_thread_dtor+0x80/0x80 [ 1257.941529] kthread+0x112/0x130 [ 1257.941536] ? kthread_park+0x80/0x80 [ 1257.941545] ret_from_fork+0x35/0x40 [ 1259.948869] iwlwifi 0000:04:00.0: Error sending LQ_CMD: time out after 2000ms. [ 1259.948880] iwlwifi 0000:04:00.0: Current CMD queue read_ptr 99 write_ptr 100 [ 1259.949046] iwlwifi 0000:04:00.0: Start IWL Error Log Dump: [ 1259.949052] iwlwifi 0000:04:00.0: Status: 0x00000100, count: 6 [ 1259.949057] iwlwifi 0000:04:00.0: Loaded firmware version: 36.e91976c0.0 [ 1259.949063] iwlwifi 0000:04:00.0: 0x00000084 | NMI_INTERRUPT_UNKNOWN [ 1259.949068] iwlwifi 0000:04:00.0: 0x00A00220 | trm_hw_status0 [ 1259.949073] iwlwifi 0000:04:00.0: 0x00000000 | trm_hw_status1 [ 1259.949078] iwlwifi 0000:04:00.0: 0x000248DC | branchlink2 [ 1259.949083] iwlwifi 0000:04:00.0: 0x0003A7DA | interruptlink1 [ 1259.949088] iwlwifi 0000:04:00.0: 0x0003A7DA | interruptlink2 [ 1259.949093] iwlwifi 0000:04:00.0: 0x00000000 | data1 [ 1259.949097] iwlwifi 0000:04:00.0: 0x00000080 | data2 [ 1259.949102] iwlwifi 0000:04:00.0: 0x07830000 | data3 [ 1259.949107] iwlwifi 0000:04:00.0: 0x14C01989 | beacon time [ 1259.949112] iwlwifi 0000:04:00.0: 0xD0D7A45A | tsf low [ 1259.949117] iwlwifi 0000:04:00.0: 0x0000009B | tsf hi [ 1259.949122] iwlwifi 0000:04:00.0: 0x00000000 | time gp1 [ 1259.949126] iwlwifi 0000:04:00.0: 0x124A14A7 | time gp2 [ 1259.949131] iwlwifi 0000:04:00.0: 0x00000001 | uCode revision type [ 1259.949136] iwlwifi 0000:04:00.0: 0x00000024 | uCode version major [ 1259.949141] iwlwifi 0000:04:00.0: 0xE91976C0 | uCode version minor [ 1259.949146] iwlwifi 0000:04:00.0: 0x00000230 | hw version [ 1259.949151] iwlwifi 0000:04:00.0: 0x00C89000 | board version [ 1259.949156] iwlwifi 0000:04:00.0: 0x8070F500 | hcmd [ 1259.949160] iwlwifi 0000:04:00.0: 0x24022000 | isr0 [ 1259.949165] iwlwifi 0000:04:00.0: 0x01800000 | isr1 [ 1259.949170] iwlwifi 0000:04:00.0: 0x08001802 | isr2 [ 1259.949175] iwlwifi 0000:04:00.0: 0x004174C0 | isr3 [ 1259.949179] iwlwifi 0000:04:00.0: 0x00000000 | isr4 [ 1259.949184] iwlwifi 0000:04:00.0: 0x0063014E | last cmd Id [ 1259.949189] iwlwifi 0000:04:00.0: 0x00000000 | wait_event [ 1259.949194] iwlwifi 0000:04:00.0: 0x00000288 | l2p_control [ 1259.949198] iwlwifi 0000:04:00.0: 0x00018030 | l2p_duration [ 1259.949203] iwlwifi 0000:04:00.0: 0x000000BF | l2p_mhvalid [ 1259.949208] iwlwifi 0000:04:00.0: 0x000000EF | l2p_addr_match [ 1259.949213] iwlwifi 0000:04:00.0: 0x0000000D | lmpm_pmg_sel [ 1259.949218] iwlwifi 0000:04:00.0: 0x28031619 | timestamp [ 1259.949223] iwlwifi 0000:04:00.0: 0x0034C8F0 | flow_handler [ 1259.949297] iwlwifi 0000:04:00.0: 0x00000000 | ADVANCED_SYSASSERT [ 1259.949302] iwlwifi 0000:04:00.0: 0x00000000 | umac branchlink1 [ 1259.949307] iwlwifi 0000:04:00.0: 0x00000000 | umac branchlink2 [ 1259.949312] iwlwifi 0000:04:00.0: 0x00000000 | umac interruptlink1 [ 1259.949316] iwlwifi 0000:04:00.0: 0x00000000 | umac interruptlink2 [ 1259.949321] iwlwifi 0000:04:00.0: 0x00000000 | umac data1 [ 1259.949326] iwlwifi 0000:04:00.0: 0x00000000 | umac data2 [ 1259.949330] iwlwifi 0000:04:00.0: 0x00000000 | umac data3 [ 1259.949335] iwlwifi 0000:04:00.0: 0x00000000 | umac major [ 1259.949340] iwlwifi 0000:04:00.0: 0x00000000 | umac minor [ 1259.949345] iwlwifi 0000:04:00.0: 0x00000000 | frame pointer [ 1259.949349] iwlwifi 0000:04:00.0: 0x00000000 | stack pointer [ 1259.949354] iwlwifi 0000:04:00.0: 0x00000000 | last host cmd [ 1259.949359] iwlwifi 0000:04:00.0: 0x00000000 | isr status reg [ 1259.949368] ieee80211 phy0: Hardware restart was requested [ 1259.949449] iwlwifi 0000:04:00.0: Microcode SW error detected. Restarting 0x92000000. [ 1259.949464] iwlwifi 0000:04:00.0: HCMD_ACTIVE already clear for command LQ_CMD -- damjan
