There is an error appearing in journalctl : * Before the error kernel: x86_pkg_temp_thermal intel_powerclamp uvcvideo cdc_mbim iwlmvm videobuf2_vmalloc coretemp dell ... kernel: iwlwifi 0000:00:14.3: enabling device (0000 -> 0002) ... kernel: iwlwifi 0000:00:14.3: TLV_FW_FSEQ_VERSION: FSEQ Version: 43.2.23.17 kernel: iwlwifi 0000:00:14.3: loaded firmware version 48.4fa0041f.0 op_mode iwlmvm ... kernel: iwlwifi 0000:00:14.3: Detected Intel(R) Wireless-AC 9462, REV=0x354 ...
* The error: kernel: iwlwifi 0000:00:14.3: Start IWL Error Log Dump: kernel: iwlwifi 0000:00:14.3: Status: 0x00000000, count: 734187146 kernel: iwlwifi 0000:00:14.3: Loaded firmware version: 48.4fa0041f.0 kernel: iwlwifi 0000:00:14.3: 0x5EB1A45F | ADVANCED_SYSASSERT kernel: iwlwifi 0000:00:14.3: 0x537B377D | trm_hw_status0 kernel: iwlwifi 0000:00:14.3: 0x16531F5B | trm_hw_status1 kernel: iwlwifi 0000:00:14.3: 0x789E583D | branchlink2 kernel: iwlwifi 0000:00:14.3: 0xF80107FF | interruptlink1 kernel: iwlwifi 0000:00:14.3: 0xE662F7E1 | interruptlink2 kernel: iwlwifi 0000:00:14.3: 0x016292A7 | data1 kernel: iwlwifi 0000:00:14.3: 0x0666F313 | data2 kernel: iwlwifi 0000:00:14.3: 0x57FCBE23 | data3 kernel: iwlwifi 0000:00:14.3: 0x79952915 | beacon time kernel: iwlwifi 0000:00:14.3: 0x4F1735DD | tsf low kernel: iwlwifi 0000:00:14.3: 0x7410F667 | tsf hi kernel: iwlwifi 0000:00:14.3: 0x7E4198AA | time gp1 kernel: iwlwifi 0000:00:14.3: 0xA12F19D9 | time gp2 kernel: iwlwifi 0000:00:14.3: 0xCF52900E | uCode revision type kernel: iwlwifi 0000:00:14.3: 0xE3D9AD8C | uCode version major kernel: iwlwifi 0000:00:14.3: 0x13FA8BC4 | uCode version minor kernel: iwlwifi 0000:00:14.3: 0xD5D1171F | hw version kernel: iwlwifi 0000:00:14.3: 0x24BFBE2A | board version kernel: iwlwifi 0000:00:14.3: 0x908515E5 | hcmd kernel: iwlwifi 0000:00:14.3: 0x45691B81 | isr0 kernel: iwlwifi 0000:00:14.3: 0xB729E7C0 | isr1 kernel: iwlwifi 0000:00:14.3: 0xF0A4082C | isr2 kernel: iwlwifi 0000:00:14.3: 0xE3FDC5D5 | isr3 kernel: iwlwifi 0000:00:14.3: 0x51CF9BDA | isr4 kernel: iwlwifi 0000:00:14.3: 0xD5A042EC | last cmd Id kernel: iwlwifi 0000:00:14.3: 0x420A9D1A | wait_event kernel: iwlwifi 0000:00:14.3: 0xB29859DA | l2p_control kernel: iwlwifi 0000:00:14.3: 0x988FAB50 | l2p_duration kernel: iwlwifi 0000:00:14.3: 0x7D50CEA1 | l2p_mhvalid kernel: iwlwifi 0000:00:14.3: 0x92CB53FD | l2p_addr_match kernel: iwlwifi 0000:00:14.3: 0xA8011242 | lmpm_pmg_sel kernel: iwlwifi 0000:00:14.3: 0x37EED3C2 | timestamp kernel: iwlwifi 0000:00:14.3: 0x3E852D44 | flow_handler kernel: iwlwifi 0000:00:14.3: Start IWL Error Log Dump: kernel: iwlwifi 0000:00:14.3: Status: 0x00000000, count: 7 kernel: iwlwifi 0000:00:14.3: 0x201013F1 | ADVANCED_SYSASSERT kernel: iwlwifi 0000:00:14.3: 0x00000000 | umac branchlink1 kernel: iwlwifi 0000:00:14.3: 0xC008CF5C | umac branchlink2 kernel: iwlwifi 0000:00:14.3: 0x00000000 | umac interruptlink1 kernel: iwlwifi 0000:00:14.3: 0x00000000 | umac interruptlink2 kernel: iwlwifi 0000:00:14.3: 0x00000003 | umac data1 kernel: iwlwifi 0000:00:14.3: 0x20000302 | umac data2 kernel: iwlwifi 0000:00:14.3: 0x00000201 | umac data3 kernel: iwlwifi 0000:00:14.3: 0x00000030 | umac major kernel: iwlwifi 0000:00:14.3: 0x4FA0041F | umac minor kernel: iwlwifi 0000:00:14.3: 0x00005CE8 | frame pointer kernel: iwlwifi 0000:00:14.3: 0xC0887F58 | stack pointer kernel: iwlwifi 0000:00:14.3: 0x00000000 | last host cmd kernel: iwlwifi 0000:00:14.3: 0x00000000 | isr status reg kernel: iwlwifi 0000:00:14.3: Fseq Registers: kernel: iwlwifi 0000:00:14.3: 0x00000003 | FSEQ_ERROR_CODE kernel: iwlwifi 0000:00:14.3: 0x00000000 | FSEQ_TOP_INIT_VERSION kernel: iwlwifi 0000:00:14.3: 0xF75B34D7 | FSEQ_CNVIO_INIT_VERSION kernel: iwlwifi 0000:00:14.3: 0x0000A384 | FSEQ_OTP_VERSION kernel: iwlwifi 0000:00:14.3: 0x69709CB0 | FSEQ_TOP_CONTENT_VERSION kernel: iwlwifi 0000:00:14.3: 0x54A0A478 | FSEQ_ALIVE_TOKEN kernel: iwlwifi 0000:00:14.3: 0x4E7FF0E7 | FSEQ_CNVI_ID kernel: iwlwifi 0000:00:14.3: 0x4DCDCD1F | FSEQ_CNVR_ID kernel: iwlwifi 0000:00:14.3: 0x20000302 | CNVI_AUX_MISC_CHIP kernel: iwlwifi 0000:00:14.3: 0x00000201 | CNVR_AUX_MISC_CHIP kernel: iwlwifi 0000:00:14.3: 0x0000485B | CNVR_SCU_SD_REGS_SD_REG_DIG_DCDC_VTRIM kernel: iwlwifi 0000:00:14.3: 0xA5A5A5A2 | CNVR_SCU_SD_REGS_SD_REG_ACTIVE_VDIG_MIRRO kernel: iwlwifi 0000:00:14.3: SecBoot CPU1 Status: 0x5c5b, CPU2 Status: 0x3 kernel: iwlwifi 0000:00:14.3: Failed to start RT ucode: -110 kernel: iwlwifi 0000:00:14.3: Firmware not running - cannot dump error kernel: iwlwifi 0000:00:14.3: Failed to run INIT ucode: -110 -- 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/1864188 Title: After the upgrade of 19.10 on 2020-02-18, wifi does not exist Status in linux package in Ubuntu: Confirmed Bug description: lsmod shows the the modules are on, but no wifi hardware seems available. That happened just after the kernel update I did on 18th of Feb. 2020, on Ubuntu 19.10. No other change. System is Dell Vostro 5490/i7 . mgrivas@Vostro:~$ lsmod | grep iwl iwlmvm 401408 0 mac80211 851968 1 iwlmvm iwlwifi 348160 1 iwlmvm cfg80211 712704 3 iwlmvm,iwlwifi,mac80211 mgrivas@Vostro:~$ iwconfig <all devices> no wireless extensions. - The wlan device does not appear. mgrivas@Vostro:~$ lspci | grep -i net 00:14.3 Network controller: Intel Corporation Device 02f0 02:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (rev 15) mgrivas@Vostro:~$ cat /proc//version_signature Ubuntu 5.3.0-40.32-generic 5.3.18 mgrivas@Vostro:~$ lspci -vnvns 00:14.3 00:14.3 Network controller [0280]: Intel Corporation Device [8086:02f0] Subsystem: Intel Corporation Device [8086:42a4] Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+ Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx- Latency: 0 Interrupt: pin A routed to IRQ 16 Region 0: Memory at c2318000 (64-bit, non-prefetchable) [size=16K] Capabilities: <access denied> Kernel driver in use: iwlwifi Kernel modules: iwlwifi ProblemType: Bug DistroRelease: Ubuntu 19.10 Package: linux-image-5.3.0-40-generic 5.3.0-40.32 ProcVersionSignature: Ubuntu 5.3.0-40.32-generic 5.3.18 Uname: Linux 5.3.0-40-generic x86_64 NonfreeKernelModules: nvidia_modeset nvidia ApportVersion: 2.20.11-0ubuntu8.4 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC1: mgrivas 3042 F.... pulseaudio /dev/snd/controlC0: mgrivas 3042 F.... pulseaudio /dev/snd/controlC2: mgrivas 3042 F.... pulseaudio Date: Fri Feb 21 11:36:58 2020 InstallationDate: Installed on 2019-12-23 (60 days ago) InstallationMedia: Ubuntu 19.10 "Eoan Ermine" - Release amd64 (20191017) MachineType: Dell Inc. Vostro 5490 ProcFB: 0 i915drmfb ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-5.3.0-40-generic root=UUID=5107e080-d818-4651-b256-cbd6c7047a2f ro RelatedPackageVersions: linux-restricted-modules-5.3.0-40-generic N/A linux-backports-modules-5.3.0-40-generic N/A linux-firmware 1.183.4 RfKill: 0: hci0: Bluetooth Soft blocked: no Hard blocked: no SourcePackage: linux StagingDrivers: ashmem_linux UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 11/25/2019 dmi.bios.vendor: Dell Inc. dmi.bios.version: 1.4.0 dmi.board.name: 0YR1P7 dmi.board.vendor: Dell Inc. dmi.board.version: A00 dmi.chassis.type: 10 dmi.chassis.vendor: Dell Inc. dmi.modalias: dmi:bvnDellInc.:bvr1.4.0:bd11/25/2019:svnDellInc.:pnVostro5490:pvr:rvnDellInc.:rn0YR1P7:rvrA00:cvnDellInc.:ct10:cvr: dmi.product.family: Vostro dmi.product.name: Vostro 5490 dmi.product.sku: 0959 dmi.sys.vendor: Dell Inc. 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