I've installed the package "rtl8812au-dkms".
Then plug the "Alfa AWUS036ACH" (Realtek RTL8812AU) WiFi 802.11ac AC1200 Long-Range USB adapter (https://www.alfa.com.tw/products_detail/1.htm) and the module cannot load. It fails an dumps to the kernel.log file this information:
Apr 15 12:57:18 capicuapl-ng kernel: [20528.015294] usb 1-1: new high-speed USB device number 10 using xhci_hcd
Apr 15 12:57:18 capicuapl-ng kernel: [20528.035845] usb 1-1: New USB device found, idVendor=0bda, idProduct=8812, bcdDevice= 0.00
Apr 15 12:57:18 capicuapl-ng kernel: [20528.035851] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
Apr 15 12:57:18 capicuapl-ng kernel: [20528.035854] usb 1-1: Product: 802.11n NIC
Apr 15 12:57:18 capicuapl-ng kernel: [20528.035857] usb 1-1: Manufacturer: Realtek
Apr 15 12:57:18 capicuapl-ng kernel: [20528.035860] usb 1-1: SerialNumber: 123456
Apr 15 12:57:18 capicuapl-ng kernel: [20528.038077] ------------[ cut here ]------------
Apr 15 12:57:18 capicuapl-ng kernel: [20528.038151] WARNING: CPU: 7 PID: 45138 at net/wireless/core.c:867 wiphy_register+0x6d1/0x930 [cfg80211]
Apr 15 12:57:18 capicuapl-ng kernel: [20528.038154] Modules linked in: btrfs xor zstd_compress raid6_pq ufs qnx4 hfsplus hfs minix ntfs msdos jfs xfs 8812au(OE) ppp_mppe ppp_async nf_conntrack_pptp nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 libcrc32c ccm rfcomm cmac algif_hash algif_skcipher af_alg bnep nls_iso8859_1 snd_hda_codec_hdmi mei_hdcp snd_sof_pci snd_sof_intel_hda_common snd_soc_hdac_hda snd_sof_intel_hda snd_sof_intel_byt snd_sof_intel_ipc intel_rapl_msr snd_sof snd_sof_xtensa_dsp snd_hda_ext_core snd_soc_acpi_intel_match snd_soc_acpi snd_soc_core snd_compress snd_hda_codec_realtek ac97_bus snd_hda_codec_generic snd_pcm_dmaengine ledtrig_audio snd_hda_intel snd_intel_nhlt snd_hda_codec snd_hda_core snd_hwdep snd_pcm snd_seq_midi snd_seq_midi_event snd_rawmidi x86_pkg_temp_thermal intel_powerclamp joydev iwlmvm coretemp kvm_intel uvcvideo mac80211 snd_seq videobuf2_vmalloc kvm snd_seq_device videobuf2_memops libarc4 snd_timer videobuf2_v4l2 videobuf2_common intel_cstate btusb intel_rapl_perf btrtl snd videodev btbcm
Apr 15 12:57:18 capicuapl-ng kernel: [20528.038248] asus_nb_wmi iwlwifi btintel rtsx_pci_ms asus_wmi input_leds sparse_keymap wmi_bmof soundcore mc bluetooth serio_raw mxm_wmi 8250_dw hid_multitouch memstick cfg80211 mei_me ecdh_generic ecc processor_thermal_device intel_rapl_common mei intel_soc_dts_iosf intel_pch_thermal int3403_thermal int340x_thermal_zone mac_hid acpi_tad int3400_thermal acpi_pad asus_wireless acpi_thermal_rel nvidia_uvm(OE) sch_fq_codel parport_pc ppdev lp parport ip_tables x_tables autofs4 dm_crypt nvidia_drm(POE) usbhid nvidia_modeset(POE) hid_generic spi_pxa2xx_platform dw_dmac dw_dmac_core nvidia(POE) crct10dif_pclmul crc32_pclmul ghash_clmulni_intel i915 aesni_intel crypto_simd cryptd i2c_algo_bit rtsx_pci_sdmmc nvme glue_helper drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops nvme_core i2c_i801 drm rtsx_pci intel_lpss_pci ipmi_devintf intel_lpss ipmi_msghandler idma64 virt_dma i2c_hid hid wmi video pinctrl_cannonlake pinctrl_intel
Apr 15 12:57:18 capicuapl-ng kernel: [20528.038330] CPU: 7 PID: 45138 Comm: kworker/7:0 Tainted: P W OE 5.4.0-21-generic #25-Ubuntu
Apr 15 12:57:18 capicuapl-ng kernel: [20528.038333] Hardware name: ASUSTeK COMPUTER INC. ZenBook 13 UX331FN_UX331FN/UX331FN, BIOS UX331FN.305 10/16/2019
Apr 15 12:57:18 capicuapl-ng kernel: [20528.038343] Workqueue: usb_hub_wq hub_event
Apr 15 12:57:18 capicuapl-ng kernel: [20528.038380] RIP: 0010:wiphy_register+0x6d1/0x930 [cfg80211]
Apr 15 12:57:18 capicuapl-ng kernel: [20528.038385] Code: ff e9 78 fa ff ff 0f 0b b8 ea ff ff ff e9 6c fa ff ff 0f 0b b8 ea ff ff ff e9 60 fa ff ff 0f 0b b8 ea ff ff ff e9 54 fa ff ff <0f> 0b b8 ea ff ff ff e9 48 fa ff ff 0f 0b b8 ea ff ff ff e9 3c fa
Apr 15 12:57:18 capicuapl-ng kernel: [20528.038388] RSP: 0018:ffffb39c0746f730 EFLAGS: 00010246
Apr 15 12:57:18 capicuapl-ng kernel: [20528.038391] RAX: ffffffffc2642690 RBX: ffff9a9df58c4b00 RCX: ffffffffc2642680
Apr 15 12:57:18 capicuapl-ng kernel: [20528.038393] RDX: ffffffffc2642720 RSI: 0000000000000001 RDI: 000000000000001e
Apr 15 12:57:18 capicuapl-ng kernel: [20528.038395] RBP: ffffb39c0746f7a8 R08: 0000000000000004 R09: 0000000000000003
Apr 15 12:57:18 capicuapl-ng kernel: [20528.038397] R10: 0000000000000000 R11: ffffb39d00548fc5 R12: ffff9a9df58c4b00
Apr 15 12:57:18 capicuapl-ng kernel: [20528.038399] R13: ffff9aa0904ac000 R14: ffff9aa086c18830 R15: ffff9aa086c18830
Apr 15 12:57:18 capicuapl-ng kernel: [20528.038402] FS: 0000000000000000(0000) GS:ffff9aa09dbc0000(0000) knlGS:0000000000000000
Apr 15 12:57:18 capicuapl-ng kernel: [20528.038405] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Apr 15 12:57:18 capicuapl-ng kernel: [20528.038407] CR2: 00007f6e70c58000 CR3: 0000000219e0a005 CR4: 00000000003606e0
Apr 15 12:57:18 capicuapl-ng kernel: [20528.038409] Call Trace:
Apr 15 12:57:18 capicuapl-ng kernel: [20528.038481] ? _rtw_malloc+0x2d/0x2f [8812au]
Apr 15 12:57:18 capicuapl-ng kernel: [20528.038540] ? _rtw_memcpy+0x10/0x12 [8812au]
Apr 15 12:57:18 capicuapl-ng kernel: [20528.038604] ? rtw_5g_rates_init+0x1a/0x1c [8812au]
Apr 15 12:57:18 capicuapl-ng kernel: [20528.038663] ? rtw_spt_band_alloc+0xb0/0xb2 [8812au]
Apr 15 12:57:18 capicuapl-ng kernel: [20528.038724] rtw_wdev_alloc+0xf6/0x29c [8812au]
Apr 15 12:57:18 capicuapl-ng kernel: [20528.038782] rtw_usb_if1_init+0xf0/0x20c [8812au]
Apr 15 12:57:18 capicuapl-ng kernel: [20528.038838] rtw_drv_init+0x246/0x2d3 [8812au]
Apr 15 12:57:18 capicuapl-ng kernel: [20528.038845] usb_probe_interface+0xed/0x290
Apr 15 12:57:18 capicuapl-ng kernel: [20528.038853] really_probe+0x2b3/0x3e0
Apr 15 12:57:18 capicuapl-ng kernel: [20528.038860] driver_probe_device+0xbc/0x100
Apr 15 12:57:18 capicuapl-ng kernel: [20528.038866] __device_attach_driver+0x71/0xd0
Apr 15 12:57:18 capicuapl-ng kernel: [20528.038872] ? driver_allows_async_probing+0x50/0x50
Apr 15 12:57:18 capicuapl-ng kernel: [20528.038877] bus_for_each_drv+0x84/0xd0
Apr 15 12:57:18 capicuapl-ng kernel: [20528.038883] __device_attach+0xe1/0x160
Apr 15 12:57:18 capicuapl-ng kernel: [20528.038890] device_initial_probe+0x13/0x20
Apr 15 12:57:18 capicuapl-ng kernel: [20528.038895] bus_probe_device+0x8f/0xa0
Apr 15 12:57:18 capicuapl-ng kernel: [20528.038899] device_add+0x3c7/0x6b0
Apr 15 12:57:18 capicuapl-ng kernel: [20528.038907] ? _cond_resched+0x19/0x30
Apr 15 12:57:18 capicuapl-ng kernel: [20528.038911] usb_set_configuration+0x433/0x7d0
Apr 15 12:57:18 capicuapl-ng kernel: [20528.038918] ? kernfs_activate+0x77/0x80
Apr 15 12:57:18 capicuapl-ng kernel: [20528.038924] generic_probe+0x43/0x60
Apr 15 12:57:18 capicuapl-ng kernel: [20528.038928] usb_probe_device+0x31/0x70
Apr 15 12:57:18 capicuapl-ng kernel: [20528.038933] really_probe+0x2b3/0x3e0
Apr 15 12:57:18 capicuapl-ng kernel: [20528.038939] driver_probe_device+0xbc/0x100
Apr 15 12:57:18 capicuapl-ng kernel: [20528.038945] __device_attach_driver+0x71/0xd0
Apr 15 12:57:18 capicuapl-ng kernel: [20528.038951] ? driver_allows_async_probing+0x50/0x50
Apr 15 12:57:18 capicuapl-ng kernel: [20528.038955] bus_for_each_drv+0x84/0xd0
Apr 15 12:57:18 capicuapl-ng kernel: [20528.038961] __device_attach+0xe1/0x160
Apr 15 12:57:18 capicuapl-ng kernel: [20528.038967] device_initial_probe+0x13/0x20
Apr 15 12:57:18 capicuapl-ng kernel: [20528.038972] bus_probe_device+0x8f/0xa0
Apr 15 12:57:18 capicuapl-ng kernel: [20528.038976] device_add+0x3c7/0x6b0
Apr 15 12:57:18 capicuapl-ng kernel: [20528.038982] ? add_device_randomness+0xa0/0x1c0
Apr 15 12:57:18 capicuapl-ng kernel: [20528.038988] usb_new_device.cold+0x12d/0x304
Apr 15 12:57:18 capicuapl-ng kernel: [20528.038993] hub_port_connect+0x500/0x850
Apr 15 12:57:18 capicuapl-ng kernel: [20528.038998] port_event+0x502/0x780
Apr 15 12:57:18 capicuapl-ng kernel: [20528.039006] ? __switch_to_xtra+0x1c5/0x5c0
Apr 15 12:57:18 capicuapl-ng kernel: [20528.039011] hub_event+0x152/0x390
Apr 15 12:57:18 capicuapl-ng kernel: [20528.039017] ? psi_avgs_work+0x64/0xd0
Apr 15 12:57:18 capicuapl-ng kernel: [20528.039023] process_one_work+0x1eb/0x3b0
Apr 15 12:57:18 capicuapl-ng kernel: [20528.039028] worker_thread+0x4d/0x400
Apr 15 12:57:18 capicuapl-ng kernel: [20528.039034] kthread+0x104/0x140
Apr 15 12:57:18 capicuapl-ng kernel: [20528.039038] ? process_one_work+0x3b0/0x3b0
Apr 15 12:57:18 capicuapl-ng kernel: [20528.039041] ? kthread_park+0x90/0x90
Apr 15 12:57:18 capicuapl-ng kernel: [20528.039046] ret_from_fork+0x35/0x40
Apr 15 12:57:18 capicuapl-ng kernel: [20528.039052] ---[ end trace 9f14a1322aa335f5 ]---
Apr 15 12:57:18 capicuapl-ng kernel: [20528.163592] usb 1-1: reset high-speed USB device number 10 using xhci_hcd
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: linux-image-5.4.0-21-generic 5.4.0-21.25
ProcVersionSignature: Ubuntu 5.4.0-21.25-generic 5.4.27
Uname: Linux 5.4.0-21-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
ApportVersion: 2.20.11-0ubuntu26
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: mau 1657 F.... pulseaudio
CasperMD5CheckResult: skip
CurrentDesktop: ubuntu:GNOME
Date: Wed Apr 15 12:57:29 2020
InstallationDate: Installed on 2020-03-15 (30 days ago)
InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Alpha amd64 (20200304)
MachineType: ASUSTeK COMPUTER INC. ZenBook 13 UX331FN_UX331FN
ProcEnviron:
TERM=xterm-256color
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=ca_ES.UTF-8
SHELL=/bin/bash
ProcFB: 0 i915drmfb
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-5.4.0-21-generic root=/dev/mapper/vgubuntu-root ro quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-5.4.0-21-generic N/A
linux-backports-modules-5.4.0-21-generic N/A
linux-firmware 1.187
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 10/16/2019
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: UX331FN.305
dmi.board.asset.tag: ATN12345678901234567
dmi.board.name: UX331FN
dmi.board.vendor: ASUSTeK COMPUTER INC.
dmi.board.version: 1.0
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: ASUSTeK COMPUTER INC.
dmi.chassis.version: 1.0
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrUX331FN.305:bd10/16/2019:svnASUSTeKCOMPUTERINC.:pnZenBook13UX331FN_UX331FN:pvr1.0:rvnASUSTeKCOMPUTERINC.:rnUX331FN:rvr1.0:cvnASUSTeKCOMPUTERINC.:ct10:cvr1.0:
dmi.product.family: ZenBook
dmi.product.name: ZenBook 13 UX331FN_UX331FN
dmi.product.version: 1.0
dmi.sys.vendor: ASUSTeK COMPUTER INC.
This change was made by a bot.