运行 Ubuntu 21.10 的计算机无法识别我的无线接口，如下所示
$ ip addr
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
inet 127.0.0.1/8 scope host lo
valid_lft forever preferred_lft forever
inet6 ::1/128 scope host
valid_lft forever preferred_lft forever
不过，至少我的硬件可以通过这个 lspci 的简短输出被识别
$ lspci -v
04:00.0 Network controller: MEDIATEK Corp. Device 7961
Subsystem: AzureWave Device 4680
Physical Slot: 0-1
Flags: fast devsel, IRQ 78, IOMMU group 13
Memory at fe20300000 (64-bit, prefetchable) [size=1M]
Memory at fe20400000 (64-bit, prefetchable) [size=16K]
Memory at fe20404000 (64-bit, prefetchable) [size=4K]
Capabilities: [80] Express Endpoint, MSI 00
Capabilities: [e0] MSI: Enable- Count=1/32 Maskable+ 64bit+
Capabilities: [f8] Power Management version 3
Capabilities: [100] Vendor Specific Information: ID=1556 Rev=1 Len=008 <?>
Capabilities: [108] Latency Tolerance Reporting
Capabilities: [110] L1 PM Substates
Capabilities: [200] Advanced Error Reporting
Kernel modules: mt7921e
对于我的无线网卡，有些人说他们通过升级内核解决了这个问题+5.12但这对我来说不起作用。如你所见，我正在运行 5.13。
$ uname -a
Linux nick 5.13.0-20-generic #20-Ubuntu SMP Fri Oct 15 14:21:35 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux
我还验证了是否加载了正确的内核模块（mt7921e）确实如此
$ lsmod
Module Size Used by
nls_utf8 16384 0
isofs 45056 0
bnep 28672 2
intel_rapl_msr 20480 0
intel_rapl_common 24576 1 intel_rapl_msr
edac_mce_amd 32768 0
nls_iso8859_1 16384 1
snd_hda_codec_realtek 147456 1
mt7921e 77824 0
kvm_amd 126976 0
snd_hda_codec_generic 81920 1 snd_hda_codec_realtek
ledtrig_audio 16384 1 snd_hda_codec_generic
snd_hda_codec_hdmi 61440 2
mt76_connac_lib 36864 1 mt7921e
kvm 872448 1 kvm_amd
btusb 61440 0
btrtl 24576 1 btusb
btbcm 16384 1 btusb
crct10dif_pclmul 16384 1
snd_hda_intel 53248 5
btintel 32768 1 btusb
nouveau 2084864 1
mt76 77824 2 mt7921e,mt76_connac_lib
amdgpu 6385664 7
ghash_clmulni_intel 16384 0
snd_intel_dspcfg 28672 1 snd_hda_intel
bluetooth 663552 12 btrtl,btintel,btbcm,bnep,btusb
aesni_intel 376832 0
snd_intel_sdw_acpi 20480 1 snd_intel_dspcfg
crypto_simd 16384 1 aesni_intel
mac80211 1024000 3 mt76,mt7921e,mt76_connac_lib
cryptd 24576 2 crypto_simd,ghash_clmulni_intel
snd_seq_midi 20480 0
snd_hda_codec 147456 4 snd_hda_codec_generic,snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec_realtek
snd_seq_midi_event 16384 1 snd_seq_midi
ecdh_generic 16384 1 bluetooth
input_leds 16384 0
ecc 36864 1 ecdh_generic
rapl 20480 0
snd_hda_core 94208 5 snd_hda_codec_generic,snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec,snd_hda_codec_realtek
mxm_wmi 16384 1 nouveau
iommu_v2 24576 1 amdgpu
snd_rawmidi 36864 1 snd_seq_midi
joydev 28672 0
snd_hwdep 16384 1 snd_hda_codec
gpu_sched 36864 1 amdgpu
drm_ttm_helper 16384 2 amdgpu,nouveau
ttm 69632 3 amdgpu,drm_ttm_helper,nouveau
hid_multitouch 28672 0
asus_nb_wmi 28672 0
wmi_bmof 16384 0
efi_pstore 16384 0
snd_seq 73728 2 snd_seq_midi,snd_seq_midi_event
snd_pcm 118784 4 snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec,snd_hda_core
drm_kms_helper 262144 2 amdgpu,nouveau
cfg80211 892928 4 mt76,mt7921e,mac80211,mt76_connac_lib
snd_rn_pci_acp3x 20480 0
snd_pci_acp3x 20480 0
snd_seq_device 16384 3 snd_seq,snd_seq_midi,snd_rawmidi
snd_timer 40960 2 snd_seq,snd_pcm
cec 53248 1 drm_kms_helper
rc_core 57344 1 cec
i2c_algo_bit 16384 2 amdgpu,nouveau
snd 94208 21 snd_hda_codec_generic,snd_seq,snd_seq_device,snd_hda_codec_hdmi,snd_hwdep,snd_hda_intel,snd_hda_codec,snd_hda_codec_realtek,snd_timer,snd_pcm,snd_rawmidi
fb_sys_fops 16384 1 drm_kms_helper
syscopyarea 16384 1 drm_kms_helper
libarc4 16384 1 mac80211
sysfillrect 16384 1 drm_kms_helper
ccp 102400 1 kvm_amd
sysimgblt 16384 1 drm_kms_helper
soundcore 16384 1 snd
ucsi_acpi 16384 0
typec_ucsi 45056 1 ucsi_acpi
typec 57344 1 typec_ucsi
mac_hid 16384 0
asus_wireless 20480 0
amd_pmc 20480 0
sch_fq_codel 20480 1
msr 16384 0
parport_pc 45056 0
ppdev 24576 0
lp 20480 0
parport 65536 3 parport_pc,lp,ppdev
drm 561152 11 gpu_sched,drm_kms_helper,amdgpu,drm_ttm_helper,ttm,nouveau
ip_tables 32768 0
x_tables 49152 1 ip_tables
autofs4 45056 2
hid_asus 28672 0
uas 28672 0
usb_storage 73728 2 uas
usbhid 61440 1 hid_asus
hid_generic 16384 0
mfd_aaeon 16384 0
asus_wmi 40960 3 asus_nb_wmi,hid_asus,mfd_aaeon
sparse_keymap 16384 1 asus_wmi
sdhci_pci 65536 0
i2c_hid_acpi 16384 0
nvme 45056 2
cqhci 32768 1 sdhci_pci
i2c_hid 28672 1 i2c_hid_acpi
xhci_pci 20480 0
crc32_pclmul 16384 0
nvme_core 126976 3 nvme
i2c_piix4 28672 0
xhci_pci_renesas 20480 1 xhci_pci
sdhci 69632 1 sdhci_pci
wmi 32768 5 asus_wmi,wmi_bmof,mfd_aaeon,mxm_wmi,nouveau
video 53248 2 asus_wmi,nouveau
hid 135168 5 i2c_hid,usbhid,hid_multitouch,hid_generic,hid_asus
我不确定问题是什么，需要一些帮助。谢谢。