Just upgraded to 22.04.1 and still cannot use this device. Plugging in the device yields the following trace in dmesg: [57185.031592] RTL871X: module init start [57185.031594] RTL871X: rtl8812au v4.3.8_12175.20140902 [57185.031595] RTL871X: build time: Sep 1 2022 09:38:03 [57185.031653] ------------[ cut here ]------------ [57185.031654] WARNING: CPU: 9 PID: 66679 at net/wireless/core.c:896 wiphy_register+0x65c/0x8d0 [cfg80211] [57185.031693] Modules linked in: 8812au(OE+) cfg80211 nft_chain_nat xt_MASQUERADE xt_tcpudp xt_nat nf_nat nft_counter xt_conntrack nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nft_compat nf_tables nfnetlink binfmt_misc snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic ledtrig_audio intel_rapl_msr intel_rapl_common intel_tcc_cooling x86_pkg_temp_thermal intel_powerclamp kvm_intel kvm snd_hda_intel snd_intel_dspcfg snd_intel_sdw_acpi snd_hda_codec crct10dif_pclmul ghash_clmulni_intel aesni_intel snd_hda_core crypto_simd snd_hwdep cryptd snd_pcm rapl mei_hdcp i915 sch_fq_codel snd_seq_midi nls_iso8859_1 intel_cstate joydev input_leds snd_seq_midi_event r8188eu(C) snd_rawmidi ttm drm_kms_helper snd_seq cec coretemp snd_seq_device nct6775 snd_timer rc_core hwmon_vid ipmi_devintf i2c_algo_bit intel_wmi_thunderbolt snd ee1004 mxm_wmi ipmi_msghandler fb_sys_fops mei_me syscopyarea soundcore sysfillrect msr mei sysimgblt acpi_pad mac_hid acpi_tad parport_pc ppdev lp parport ramoops [57185.031755] reed_solomon drm pstore_blk pstore_zone mtd efi_pstore ip_tables x_tables autofs4 btrfs blake2b_generic xor zstd_compress raid6_pq libcrc32c hid_generic usbhid hid uas usb_storage crc32_pclmul r8169 nvme ahci i2c_i801 xhci_pci nvme_core i2c_smbus realtek libahci xhci_pci_renesas wmi video [last unloaded: rtl8821ce] [57185.031780] CPU: 9 PID: 66679 Comm: systemd-udevd Tainted: G C OE 5.15.0-47-generic #51-Ubuntu [57185.031785] Hardware name: Micro-Star International Co., Ltd. MS-7B48/Z370-A PRO (MS-7B48), BIOS 2.D3 11/18/2021 [57185.031787] RIP: 0010:wiphy_register+0x65c/0x8d0 [cfg80211] [57185.031814] Code: 1a 0b 00 41 80 ff 01 0f 86 88 fd ff ff e9 1a 46 07 00 0f 0b b8 ea ff ff ff e9 51 fc ff ff 0f 0b b8 ea ff ff ff e9 45 fc ff ff <0f> 0b b8 ea ff ff ff e9 39 fc ff ff 0f 0b b8 ea ff ff ff e9 2d fc [57185.031818] RSP: 0018:ffffbd2dc707b990 EFLAGS: 00010246 [57185.031821] RAX: ffffffffc15e3190 RBX: 0000000000000000 RCX: ffffffffc15e3180 [57185.031822] RDX: ffffffffc15e3220 RSI: 0000000000000004 RDI: 0000000000000008 [57185.031824] RBP: ffffbd2dc707ba30 R08: 0000000000000000 R09: ffff9cc6ce4d8000 [57185.031825] R10: 0000000000ffff0a R11: fffffffffffff800 R12: ffff9cc6ce4dc300 [57185.031829] R13: 0000000000000005 R14: 0000000000000004 R15: 0000000000000001 [57185.031830] FS: 00007f2847fc08c0(0000) GS:ffff9cc8dec40000(0000) knlGS:0000000000000000 [57185.031832] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [57185.031833] CR2: 00007f28473be0e6 CR3: 00000003a5390001 CR4: 00000000003706e0 [57185.031835] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [57185.031836] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [57185.031837] Call Trace: [57185.031839] [57185.031841] ? _rtw_malloc+0x2d/0x33 [8812au] [57185.031878] ? _rtw_memcpy+0x10/0x16 [8812au] [57185.031912] ? rtw_5g_rates_init+0x1a/0x20 [8812au] [57185.031949] ? rtw_spt_band_alloc+0xb4/0xb6 [8812au] [57185.031984] rtw_wdev_alloc+0xfc/0x2a6 [8812au] [57185.032019] rtw_usb_if1_init+0x10b/0x22d [8812au] [57185.032053] rtw_drv_init+0x36f/0x41c [8812au] [57185.032088] usb_probe_interface+0xeb/0x2b0 [57185.032093] really_probe+0x21f/0x420 [57185.032096] __driver_probe_device+0x119/0x190 [57185.032099] driver_probe_device+0x23/0xc0 [57185.032102] __driver_attach+0xbd/0x1e0 [57185.032105] ? __device_attach_driver+0x120/0x120 [57185.032108] bus_for_each_dev+0x7c/0xd0 [57185.032111] driver_attach+0x1e/0x30 [57185.032113] bus_add_driver+0x139/0x200 [57185.032116] driver_register+0x95/0x100 [57185.032118] usb_register_driver+0x89/0x130 [57185.032121] ? 0xffffffffc1511000 [57185.032123] rtw_drv_entry+0x65/0x1000 [8812au] [57185.032147] do_one_initcall+0x46/0x1e0 [57185.032151] ? kmem_cache_alloc_trace+0x19e/0x2e0 [57185.032157] do_init_module+0x52/0x260 [57185.032159] load_module+0xacd/0xbc0 [57185.032162] __do_sys_finit_module+0xbf/0x120 [57185.032166] __x64_sys_finit_module+0x18/0x20 [57185.032168] do_syscall_64+0x59/0xc0 [57185.032170] ? do_syscall_64+0x69/0xc0 [57185.032172] ? do_syscall_64+0x69/0xc0 [57185.032174] entry_SYSCALL_64_after_hwframe+0x61/0xcb [57185.032177] RIP: 0033:0x7f28486b8a3d [57185.032179] Code: 5b 41 5c c3 66 0f 1f 84 00 00 00 00 00 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c3 a3 0f 00 f7 d8 64 89 01 48 [57185.032181] RSP: 002b:00007fffd2fd96d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [57185.032186] RAX: ffffffffffffffda RBX: 000055af954ca990 RCX: 00007f28486b8a3d [57185.032187] RDX: 0000000000000000 RSI: 00007f284884f441 RDI: 0000000000000006 [57185.032189] RBP: 0000000000020000 R08: 0000000000000000 R09: 0000000000000002 [57185.032190] R10: 0000000000000006 R11: 0000000000000246 R12: 00007f284884f441 [57185.032191] R13: 000055af95567380 R14: 000055af954ca920 R15: 000055af954cab90 [57185.032194] [57185.032195] ---[ end trace 2069f7664b77c3ec ]--- The device does not initialize. It was working under 18.04 with kernel v4.x.