I have attached a patch for kernel 5.3.0-42.34 that should solve this issue.
** Patch added: "iwlwifi.patch" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1866147/+attachment/5338085/+files/iwlwifi.patch -- 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/1866147 Title: WiFi card fails to activate on 5.3.0-40-generic Status in linux package in Ubuntu: Confirmed Bug description: My WiFi card works fine with kernel 5.3.0-18-generic, but when I try to use 5.3.0-40-generic it fails to activate (and doesn't show up in `ip link`). `dmesg | grep iwlwifi` shows the following debug information: [ 12.292292] iwlwifi 0000:00:14.3: enabling device (0000 -> 0002) [ 12.346746] iwlwifi 0000:00:14.3: TLV_FW_FSEQ_VERSION: FSEQ Version: 43.2.23.17 [ 12.347045] iwlwifi 0000:00:14.3: loaded firmware version 48.4fa0041f.0 op_mode iwlmvm [ 12.502729] iwlwifi 0000:00:14.3: Detected Intel(R) Wireless-AC 9560 160MHz, REV=0x354 [ 13.518078] iwlwifi 0000:00:14.3: Collecting data: trigger 15 fired. [ 13.518162] iwlwifi 0000:00:14.3: Start IWL Error Log Dump: [ 13.518165] iwlwifi 0000:00:14.3: Status: 0x00000000, count: -871717974 [ 13.518167] iwlwifi 0000:00:14.3: Loaded firmware version: 48.4fa0041f.0 [ 13.518169] iwlwifi 0000:00:14.3: 0xABD222C6 | ADVANCED_SYSASSERT [ 13.518170] iwlwifi 0000:00:14.3: 0xA43D5A29 | trm_hw_status0 [ 13.518172] iwlwifi 0000:00:14.3: 0x6642BD97 | trm_hw_status1 [ 13.518173] iwlwifi 0000:00:14.3: 0x8FE44EA9 | branchlink2 [ 13.518174] iwlwifi 0000:00:14.3: 0x1C54C232 | interruptlink1 [ 13.518176] iwlwifi 0000:00:14.3: 0xA7D409CD | interruptlink2 [ 13.518177] iwlwifi 0000:00:14.3: 0x8A0C7875 | data1 [ 13.518178] iwlwifi 0000:00:14.3: 0x99E03556 | data2 [ 13.518179] iwlwifi 0000:00:14.3: 0x137C675B | data3 [ 13.518181] iwlwifi 0000:00:14.3: 0xAB1BDD6D | beacon time [ 13.518182] iwlwifi 0000:00:14.3: 0x5608950B | tsf low [ 13.518183] iwlwifi 0000:00:14.3: 0x821A4BFA | tsf hi [ 13.518185] iwlwifi 0000:00:14.3: 0xD3F9F35B | time gp1 [ 13.518186] iwlwifi 0000:00:14.3: 0xF0044C16 | time gp2 [ 13.518187] iwlwifi 0000:00:14.3: 0xD50101E2 | uCode revision type [ 13.518188] iwlwifi 0000:00:14.3: 0x91B27A5E | uCode version major [ 13.518190] iwlwifi 0000:00:14.3: 0x5487A879 | uCode version minor [ 13.518191] iwlwifi 0000:00:14.3: 0x21B8EEAC | hw version [ 13.518192] iwlwifi 0000:00:14.3: 0x359EC8C9 | board version [ 13.518193] iwlwifi 0000:00:14.3: 0xE3137EBB | hcmd [ 13.518195] iwlwifi 0000:00:14.3: 0x09BBC532 | isr0 [ 13.518196] iwlwifi 0000:00:14.3: 0x2716EDB8 | isr1 [ 13.518197] iwlwifi 0000:00:14.3: 0x6C0451A5 | isr2 [ 13.518198] iwlwifi 0000:00:14.3: 0x721A5CD0 | isr3 [ 13.518200] iwlwifi 0000:00:14.3: 0x49ADC2D3 | isr4 [ 13.518201] iwlwifi 0000:00:14.3: 0x183C47FC | last cmd Id [ 13.518202] iwlwifi 0000:00:14.3: 0x57F5E136 | wait_event [ 13.518203] iwlwifi 0000:00:14.3: 0x136FEC9F | l2p_control [ 13.518205] iwlwifi 0000:00:14.3: 0xD0DC1B77 | l2p_duration [ 13.518206] iwlwifi 0000:00:14.3: 0x2CD5FAD6 | l2p_mhvalid [ 13.518207] iwlwifi 0000:00:14.3: 0x36FBF34E | l2p_addr_match [ 13.518209] iwlwifi 0000:00:14.3: 0x76814124 | lmpm_pmg_sel [ 13.518210] iwlwifi 0000:00:14.3: 0x7350416A | timestamp [ 13.518211] iwlwifi 0000:00:14.3: 0x905B98D6 | flow_handler [ 13.518244] iwlwifi 0000:00:14.3: Start IWL Error Log Dump: [ 13.518246] iwlwifi 0000:00:14.3: Status: 0x00000000, count: 7 [ 13.518247] iwlwifi 0000:00:14.3: 0x201013F1 | ADVANCED_SYSASSERT [ 13.518248] iwlwifi 0000:00:14.3: 0x00000000 | umac branchlink1 [ 13.518250] iwlwifi 0000:00:14.3: 0xC008CF5C | umac branchlink2 [ 13.518251] iwlwifi 0000:00:14.3: 0x00000000 | umac interruptlink1 [ 13.518252] iwlwifi 0000:00:14.3: 0x00000000 | umac interruptlink2 [ 13.518254] iwlwifi 0000:00:14.3: 0x00000003 | umac data1 [ 13.518255] iwlwifi 0000:00:14.3: 0x20000302 | umac data2 [ 13.518256] iwlwifi 0000:00:14.3: 0x01300202 | umac data3 [ 13.518257] iwlwifi 0000:00:14.3: 0x00000030 | umac major [ 13.518258] iwlwifi 0000:00:14.3: 0x4FA0041F | umac minor [ 13.518260] iwlwifi 0000:00:14.3: 0x00005CAB | frame pointer [ 13.518261] iwlwifi 0000:00:14.3: 0xC0887F58 | stack pointer [ 13.518263] iwlwifi 0000:00:14.3: 0x00000000 | last host cmd [ 13.518264] iwlwifi 0000:00:14.3: 0x00000000 | isr status reg [ 13.518280] iwlwifi 0000:00:14.3: Fseq Registers: [ 13.518283] iwlwifi 0000:00:14.3: 0x00000003 | FSEQ_ERROR_CODE [ 13.518286] iwlwifi 0000:00:14.3: 0x00000000 | FSEQ_TOP_INIT_VERSION [ 13.518288] iwlwifi 0000:00:14.3: 0xD787F0D4 | FSEQ_CNVIO_INIT_VERSION [ 13.518291] iwlwifi 0000:00:14.3: 0x0000A384 | FSEQ_OTP_VERSION [ 13.518294] iwlwifi 0000:00:14.3: 0x8E6A94AA | FSEQ_TOP_CONTENT_VERSION [ 13.518297] iwlwifi 0000:00:14.3: 0xC24B2F1A | FSEQ_ALIVE_TOKEN [ 13.518300] iwlwifi 0000:00:14.3: 0x3DA36A92 | FSEQ_CNVI_ID [ 13.518303] iwlwifi 0000:00:14.3: 0xF19AF84B | FSEQ_CNVR_ID [ 13.518306] iwlwifi 0000:00:14.3: 0x20000302 | CNVI_AUX_MISC_CHIP [ 13.518311] iwlwifi 0000:00:14.3: 0x01300202 | CNVR_AUX_MISC_CHIP [ 13.518316] iwlwifi 0000:00:14.3: 0x0000485B | CNVR_SCU_SD_REGS_SD_REG_DIG_DCDC_VTRIM [ 13.518351] iwlwifi 0000:00:14.3: 0xA5A5A5A2 | CNVR_SCU_SD_REGS_SD_REG_ACTIVE_VDIG_MIRROR [ 13.518385] iwlwifi 0000:00:14.3: SecBoot CPU1 Status: 0x5c1d, CPU2 Status: 0x3 [ 13.518386] iwlwifi 0000:00:14.3: Failed to start RT ucode: -110 [ 13.518390] iwlwifi 0000:00:14.3: Firmware not running - cannot dump error [ 13.531793] iwlwifi 0000:00:14.3: Failed to run INIT ucode: -110 Hardware information is as follows: $ sudo lspci -nn -s 00:14.3 00:14.3 Network controller [0280]: Intel Corporation Wireless-AC 9462 [8086:02f0] ProblemType: Bug DistroRelease: Ubuntu 19.10 Package: linux-image-5.3.0-40-generic 5.3.0-40.32 ProcVersionSignature: Ubuntu 5.3.0-18.19-generic 5.3.1 Uname: Linux 5.3.0-18-generic x86_64 ApportVersion: 2.20.11-0ubuntu8.2 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: shosti 9530 F.... pulseaudio CurrentDesktop: i3 Date: Wed Mar 4 20:51:24 2020 InstallationDate: Installed on 2020-02-29 (4 days ago) InstallationMedia: Ubuntu 19.10 "Eoan Ermine" - Release amd64 (20191017) MachineType: LENOVO 20R10015US ProcEnviron: TERM=xterm-256color PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=en_US.UTF-8 SHELL=/bin/bash ProcFB: 0 i915drmfb ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-5.3.0-18-generic root=UUID=102b7e53-2605-4d5e-bf7d-e54ee2aa40c1 ro quiet splash vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-5.3.0-18-generic N/A linux-backports-modules-5.3.0-18-generic N/A linux-firmware 1.183.2 SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 01/15/2020 dmi.bios.vendor: LENOVO dmi.bios.version: N2QET19W (1.13 ) dmi.board.asset.tag: Not Available dmi.board.name: 20R10015US dmi.board.vendor: LENOVO dmi.board.version: SDK0J40697 WIN dmi.chassis.asset.tag: No Asset Information dmi.chassis.type: 10 dmi.chassis.vendor: LENOVO dmi.chassis.version: None dmi.modalias: dmi:bvnLENOVO:bvrN2QET19W(1.13):bd01/15/2020:svnLENOVO:pn20R10015US:pvrThinkPadX1Carbon7th:rvnLENOVO:rn20R10015US:rvrSDK0J40697WIN:cvnLENOVO:ct10:cvrNone: dmi.product.family: ThinkPad X1 Carbon 7th dmi.product.name: 20R10015US dmi.product.sku: LENOVO_MT_20R1_BU_Think_FM_ThinkPad X1 Carbon 7th dmi.product.version: ThinkPad X1 Carbon 7th dmi.sys.vendor: LENOVO To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1866147/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
