我在 Windows 11 旁边安装了全新安装的 Ubuntu 20.04。当我打开电脑时，一切似乎都运行正常，但几分钟后 WiFi 连接断开，WiFi 设置中不再有可见的网络（根本没有，不仅仅是我连接的那个）。当我重新启动笔记本电脑时，WiFi 会自动连接，就像没有问题一样，所有可用的网络再次可见，直到下次断开连接。
连接WiFi的其他设备，以及同一台笔记本电脑上的Windows系统都没有出现这样的问题。我用网线连接路由器也没有问题。
我在“软件和更新”应用程序的“附加驱动程序”选项卡中有以下选项，但选择任何一个都无法解决问题：
以下是我读过的一些可能有用的其他信息：
$ sudo lshw-类网络
*-generic
description: Wireless interface
product: RTL8821CE 802.11ac PCIe Wireless Network Adapter
vendor: Realtek Semiconductor Co., Ltd.
physical id: 0
bus info: pci@0000:07:00.0
logical name: wlp7s0
version: ff
serial: 00:45:e2:0d:3c:8d
width: 32 bits
clock: 66MHz
capabilities: bus_master vga_palette cap_list ethernet physical wireless
configuration: broadcast=yes driver=rtw_8821ce driverversion=5.11.0-41-generic firmware=N/A latency=255 link=no maxlatency=255 mingnt=255 multicast=yes wireless=IEEE 802.11
resources: irq:145 ioport:4000(size=256) memory:a4300000-a430ffff
*-network
description: Ethernet interface
product: RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller
vendor: Realtek Semiconductor Co., Ltd.
physical id: 0
bus info: pci@0000:08:00.0
logical name: enp8s0
version: 10
serial: 00:2b:67:4a:c4:c2
size: 100Mbit/s
capacity: 1Gbit/s
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress msix vpd bus_master cap_list ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd 1000bt-fd autonegotiation
configuration: autonegotiation=on broadcast=yes driver=r8169 driverversion=5.11.0-41-generic duplex=full firmware=rtl8168g-3_0.0.1 04/23/13 ip=192.168.178.76 latency=0 link=yes multicast=yes port=twisted pair speed=100Mbit/s
resources: irq:17 ioport:3000(size=256) memory:a4204000-a4204fff memory:a4200000-a4203fff
$ lspci
00:00.0 Host bridge: Intel Corporation 8th Gen Core Processor Host Bridge/DRAM Registers (rev 07)
00:01.0 PCI bridge: Intel Corporation Xeon E3-1200 v5/E3-1500 v5/6th Gen Core Processor PCIe Controller (x16) (rev 07)
00:02.0 VGA compatible controller: Intel Corporation UHD Graphics 630 (Mobile)
00:04.0 Signal processing controller: Intel Corporation Xeon E3-1200 v5/E3-1500 v5/6th Gen Core Processor Thermal Subsystem (rev 07)
00:08.0 System peripheral: Intel Corporation Xeon E3-1200 v5/v6 / E3-1500 v5 / 6th/7th/8th Gen Core Processor Gaussian Mixture Model
00:12.0 Signal processing controller: Intel Corporation Cannon Lake PCH Thermal Controller (rev 10)
00:14.0 USB controller: Intel Corporation Cannon Lake PCH USB 3.1 xHCI Host Controller (rev 10)
00:14.2 RAM memory: Intel Corporation Cannon Lake PCH Shared SRAM (rev 10)
00:15.0 Serial bus controller [0c80]: Intel Corporation Cannon Lake PCH Serial IO I2C Controller #0 (rev 10)
00:15.1 Serial bus controller [0c80]: Intel Corporation Cannon Lake PCH Serial IO I2C Controller #1 (rev 10)
00:16.0 Communication controller: Intel Corporation Cannon Lake PCH HECI Controller (rev 10)
00:17.0 SATA controller: Intel Corporation Cannon Lake Mobile PCH SATA AHCI Controller (rev 10)
00:1d.0 PCI bridge: Intel Corporation Cannon Lake PCH PCI Express Root Port #9 (rev f0)
00:1d.4 PCI bridge: Intel Corporation Cannon Lake PCH PCI Express Root Port #13 (rev f0)
00:1d.5 PCI bridge: Intel Corporation Cannon Lake PCH PCI Express Root Port #14 (rev f0)
00:1e.0 Communication controller: Intel Corporation Cannon Lake PCH Serial IO UART Host Controller (rev 10)
00:1f.0 ISA bridge: Intel Corporation HM470 Chipset LPC/eSPI Controller (rev 10)
00:1f.3 Audio device: Intel Corporation Cannon Lake PCH cAVS (rev 10)
00:1f.4 SMBus: Intel Corporation Cannon Lake PCH SMBus Controller (rev 10)
00:1f.5 Serial bus controller [0c80]: Intel Corporation Cannon Lake PCH SPI Controller (rev 10)
01:00.0 VGA compatible controller: NVIDIA Corporation TU117M [GeForce GTX 1650 Mobile / Max-Q] (rev a1)
01:00.1 Audio device: NVIDIA Corporation Device 10fa (rev a1)
06:00.0 Non-Volatile memory controller: Samsung Electronics Co Ltd NVMe SSD Controller SM981/PM981/PM983
07:00.0 Network controller: Realtek Semiconductor Co., Ltd. RTL8821CE 802.11ac PCIe Wireless Network Adapter (rev ff)
08:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (rev 10)
$ rfkill 列出全部
0: ideapad_wlan: Wireless LAN
Soft blocked: no
Hard blocked: no
1: ideapad_bluetooth: Bluetooth
Soft blocked: yes
Hard blocked: no
2: hci0: Bluetooth
Soft blocked: yes
Hard blocked: no
3: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
$ lsusb
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 003: ID 04f2:b6d9 Chicony Electronics Co., Ltd Integrated Camera
Bus 001 Device 005: ID 0bda:c024 Realtek Semiconductor Corp. Bluetooth Radio
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
$ dmesg
[ 704.116062] rtw_ops_config+0xa3/0xe0 [rtw88_core]
[ 704.116087] ieee80211_hw_config+0x99/0x3e0 [mac80211]
[ 704.116188] ieee80211_recalc_idle+0x27/0x30 [mac80211]
[ 704.116293] __ieee80211_start_scan+0x376/0x740 [mac80211]
[ 704.116388] ieee80211_request_scan+0x30/0x50 [mac80211]
[ 704.116482] ieee80211_scan+0x5c/0xa0 [mac80211]
[ 704.116586] cfg80211_scan+0x1a5/0x250 [cfg80211]
[ 704.116691] nl80211_trigger_scan+0x55c/0x660 [cfg80211]
[ 704.116795] genl_family_rcv_msg_doit.isra.0+0xec/0x150
[ 704.116811] genl_rcv_msg+0xe5/0x1e0
[ 704.116819] ? nl80211_send_scan_start+0xa0/0xa0 [cfg80211]
[ 704.116920] ? genl_family_rcv_msg_doit.isra.0+0x150/0x150
[ 704.116930] netlink_rcv_skb+0x55/0x100
[ 704.116938] genl_rcv+0x29/0x40
[ 704.116946] netlink_unicast+0x1a8/0x250
[ 704.116954] netlink_sendmsg+0x221/0x440
[ 704.116963] sock_sendmsg+0x65/0x70
[ 704.116971] ____sys_sendmsg+0x218/0x290
[ 704.116977] ? copy_msghdr_from_user+0x5c/0x90
[ 704.116986] ___sys_sendmsg+0x81/0xc0
[ 704.116994] ? __check_object_size+0x4d/0x150
[ 704.117001] ? _copy_to_user+0x31/0x50
[ 704.117063] ? sock_getsockopt+0x11a/0xc70
[ 704.117075] ? unix_ioctl+0x9c/0x180
[ 704.117092] ? sock_do_ioctl+0x43/0x140
[ 704.117104] ? __cgroup_bpf_run_filter_setsockopt+0xb6/0x3d0
[ 704.117123] ? __cgroup_bpf_run_filter_getsockopt+0xb4/0x3c0
[ 704.117138] ? _cond_resched+0x19/0x30
[ 704.117151] __sys_sendmsg+0x62/0xb0
[ 704.117166] ? exit_to_user_mode_prepare+0x3d/0x1a0
[ 704.117182] __x64_sys_sendmsg+0x1f/0x30
[ 704.117193] do_syscall_64+0x38/0x90
[ 704.117204] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 704.117216] RIP: 0033:0x7f7cd0dda747
[ 704.117226] Code: 64 89 02 48 c7 c0 ff ff ff ff eb bb 0f 1f 80 00 00 00 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
[ 704.117234] RSP: 002b:00007fffe28e0348 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 704.117245] RAX: ffffffffffffffda RBX: 000055c7abe99650 RCX: 00007f7cd0dda747
[ 704.117251] RDX: 0000000000000000 RSI: 00007fffe28e0380 RDI: 0000000000000006
[ 704.117257] RBP: 000055c7abecca90 R08: 0000000000000004 R09: 00007f7cd0ea2b80
[ 704.117262] R10: 00007fffe28e0454 R11: 0000000000000246 R12: 000055c7abe99560
[ 704.117269] R13: 00007fffe28e0380 R14: 00007fffe28e0454 R15: 000055c7abece780
[ 704.117282] ---[ end trace 74da5af69e3aa44d ]---
[ 704.117293] rtw_8821ce 0000:07:00.0: failed to read ASPM, ret=-5
[ 706.117400] rtw_8821ce 0000:07:00.0: failed to poll offset=0x5 mask=0x2 value=0x0
[ 706.117408] rtw_8821ce 0000:07:00.0: mac power on failed
[ 706.117410] rtw_8821ce 0000:07:00.0: failed to power on mac
[ 706.117412] rtw_8821ce 0000:07:00.0: leave idle state failed
[ 706.117538] rtw_8821ce 0000:07:00.0: failed to leave ips state
[ 706.117542] rtw_8821ce 0000:07:00.0: failed to leave idle state
[ 711.969488] rtw_8821ce 0000:07:00.0: failed to poll offset=0x5 mask=0x2 value=0x0
[ 711.969768] ------------[ cut here ]------------
[ 711.969769] failed to read DBI register, addr=0x0719
[ 711.969793] WARNING: CPU: 8 PID: 282 at drivers/net/wireless/realtek/rtw88/pci.c:1174 rtw_dbi_read8.constprop.0+0xaa/0xc0 [rtw88_pci]
[ 711.969801] Modules linked in: ipheth apple_mfi_fastcharge ccm rfcomm cmac algif_hash algif_skcipher af_alg bnep binfmt_misc nls_iso8859_1 snd_sof_pci snd_sof_intel_hda_common snd_sof_intel_hda snd_sof_intel_byt snd_sof_intel_ipc snd_hda_codec_realtek snd_sof snd_hda_codec_generic snd_sof_xtensa_dsp snd_soc_hdac_hda x86_pkg_temp_thermal intel_powerclamp snd_hda_ext_core snd_soc_acpi_intel_match snd_hda_codec_hdmi coretemp snd_soc_acpi ledtrig_audio snd_hda_intel mei_hdcp snd_intel_dspcfg soundwire_intel kvm_intel soundwire_generic_allocation intel_rapl_msr soundwire_cadence snd_hda_codec kvm snd_hda_core snd_hwdep soundwire_bus crct10dif_pclmul rtw88_8821ce ghash_clmulni_intel snd_soc_core rtw88_8821c rtw88_pci aesni_intel snd_compress ac97_bus snd_pcm_dmaengine rtw88_core crypto_simd cryptd uvcvideo snd_pcm glue_helper nouveau rapl videobuf2_vmalloc snd_seq_midi videobuf2_memops snd_seq_midi_event videobuf2_v4l2 btusb mac80211 snd_rawmidi btrtl btbcm videobuf2_common btintel mxm_wmi
[ 711.969849] intel_cstate i915 snd_seq drm_ttm_helper joydev bluetooth snd_seq_device videodev ttm snd_timer input_leds intel_wmi_thunderbolt mc wmi_bmof cfg80211 efi_pstore serio_raw drm_kms_helper ecdh_generic ecc cec snd rc_core processor_thermal_device 8250_dw processor_thermal_rfim libarc4 processor_thermal_mbox i2c_algo_bit processor_thermal_rapl mei_me intel_rapl_common fb_sys_fops soundcore mei syscopyarea sysfillrect sysimgblt intel_pch_thermal intel_soc_dts_iosf mac_hid elan_i2c ideapad_laptop sparse_keymap int3403_thermal int340x_thermal_zone int3400_thermal acpi_thermal_rel acpi_pad acpi_tad sch_fq_codel msr parport_pc ppdev lp parport drm ip_tables x_tables autofs4 hid_logitech_hidpp hid_logitech_dj hid_generic usbhid crc32_pclmul nvme intel_lpss_pci intel_lpss xhci_pci ahci r8169 i2c_hid i2c_i801 idma64 nvme_core i2c_smbus realtek xhci_pci_renesas libahci virt_dma hid wmi video pinctrl_cannonlake
[ 711.969906] CPU: 8 PID: 282 Comm: kworker/u24:6 Tainted: G W 5.11.0-41-generic #45~20.04.1-Ubuntu
[ 711.969908] Hardware name: LENOVO 81LK/LNVNB161216, BIOS BGCN34WW 05/21/2021
[ 711.969910] Workqueue: phy0 ieee80211_scan_work [mac80211]
[ 711.969949] RIP: 0010:rtw_dbi_read8.constprop.0+0xaa/0xc0 [rtw88_pci]
[ 711.969953] Code: 03 00 00 48 8b 40 50 e8 04 75 70 fc 5b 41 5c 41 88 45 00 31 c0 41 5d 5d c3 be 19 07 00 00 48 c7 c7 d0 d6 6f c0 e8 1c b9 49 fc <0f> 0b b8 fb ff ff ff 5b 41 5c 41 5d 5d c3 0f 1f 84 00 00 00 00 00
[ 711.969955] RSP: 0018:ffff986fc0dcfc98 EFLAGS: 00010282
[ 711.969957] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000027
[ 711.969958] RDX: 0000000000000027 RSI: 00000000ffffdfff RDI: ffff8c871e418ac8
[ 711.969960] RBP: ffff986fc0dcfcb0 R08: ffff8c871e418ac0 R09: ffff986fc0dcfa58
[ 711.969961] R10: 0000000000000001 R11: 0000000000000001 R12: ffff8c83c3bf1f20
[ 711.969962] R13: ffff986fc0dcfccf R14: ffff8c83c3bf62f0 R15: 0000000000000000
[ 711.969964] FS: 0000000000000000(0000) GS:ffff8c871e400000(0000) knlGS:0000000000000000
[ 711.969965] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 711.969967] CR2: 00007f44227f7008 CR3: 00000001b5c10003 CR4: 00000000003706e0
[ 711.969969] Call Trace:
[ 711.969971] rtw_pci_link_ps+0x54/0x90 [rtw88_pci]
[ 711.969975] ? rtw_core_stop+0xd2/0xe0 [rtw88_core]
[ 711.969984] rtw_enter_ips+0x3e/0x50 [rtw88_core]
[ 711.969993] rtw_ops_config+0xd3/0xe0 [rtw88_core]
[ 711.970001] ieee80211_hw_config+0x99/0x3e0 [mac80211]
[ 711.970030] ieee80211_recalc_idle+0x27/0x30 [mac80211]
[ 711.970063] __ieee80211_scan_completed+0x14f/0x460 [mac80211]
[ 711.970091] ieee80211_scan_work+0x128/0x590 [mac80211]
[ 711.970120] ? __switch_to_asm+0x36/0x70
[ 711.970125] process_one_work+0x220/0x3c0
[ 711.970127] worker_thread+0x4d/0x3f0
[ 711.970129] ? process_one_work+0x3c0/0x3c0
[ 711.970131] kthread+0x12b/0x150
[ 711.970134] ? set_kthread_struct+0x40/0x40
[ 711.970137] ret_from_fork+0x22/0x30
[ 711.970140] ---[ end trace 74da5af69e3aa44e ]---
[ 711.970142] rtw_8821ce 0000:07:00.0: failed to read ASPM, ret=-5
[ 767.110014] ------------[ cut here ]------------
[ 767.110020] failed to read DBI register, addr=0x0719
[ 767.110084] WARNING: CPU: 7 PID: 845 at drivers/net/wireless/realtek/rtw88/pci.c:1174 rtw_dbi_read8.constprop.0+0xaa/0xc0 [rtw88_pci]
[ 767.110106] Modules linked in: ipheth apple_mfi_fastcharge ccm rfcomm cmac algif_hash algif_skcipher af_alg bnep binfmt_misc nls_iso8859_1 snd_sof_pci snd_sof_intel_hda_common snd_sof_intel_hda snd_sof_intel_byt snd_sof_intel_ipc snd_hda_codec_realtek snd_sof snd_hda_codec_generic snd_sof_xtensa_dsp snd_soc_hdac_hda x86_pkg_temp_thermal intel_powerclamp snd_hda_ext_core snd_soc_acpi_intel_match snd_hda_codec_hdmi coretemp snd_soc_acpi ledtrig_audio snd_hda_intel mei_hdcp snd_intel_dspcfg soundwire_intel kvm_intel soundwire_generic_allocation intel_rapl_msr soundwire_cadence snd_hda_codec kvm snd_hda_core snd_hwdep soundwire_bus crct10dif_pclmul rtw88_8821ce ghash_clmulni_intel snd_soc_core rtw88_8821c rtw88_pci aesni_intel snd_compress ac97_bus snd_pcm_dmaengine rtw88_core crypto_simd cryptd uvcvideo snd_pcm glue_helper nouveau rapl videobuf2_vmalloc snd_seq_midi videobuf2_memops snd_seq_midi_event videobuf2_v4l2 btusb mac80211 snd_rawmidi btrtl btbcm videobuf2_common btintel mxm_wmi
[ 767.110254] intel_cstate i915 snd_seq drm_ttm_helper joydev bluetooth snd_seq_device videodev ttm snd_timer input_leds intel_wmi_thunderbolt mc wmi_bmof cfg80211 efi_pstore serio_raw drm_kms_helper ecdh_generic ecc cec snd rc_core processor_thermal_device 8250_dw processor_thermal_rfim libarc4 processor_thermal_mbox i2c_algo_bit processor_thermal_rapl mei_me intel_rapl_common fb_sys_fops soundcore mei syscopyarea sysfillrect sysimgblt intel_pch_thermal intel_soc_dts_iosf mac_hid elan_i2c ideapad_laptop sparse_keymap int3403_thermal int340x_thermal_zone int3400_thermal acpi_thermal_rel acpi_pad acpi_tad sch_fq_codel msr parport_pc ppdev lp parport drm ip_tables x_tables autofs4 hid_logitech_hidpp hid_logitech_dj hid_generic usbhid crc32_pclmul nvme intel_lpss_pci intel_lpss xhci_pci ahci r8169 i2c_hid i2c_i801 idma64 nvme_core i2c_smbus realtek xhci_pci_renesas libahci virt_dma hid wmi video pinctrl_cannonlake
[ 767.110425] CPU: 7 PID: 845 Comm: wpa_supplicant Tainted: G W 5.11.0-41-generic #45~20.04.1-Ubuntu
[ 767.110434] Hardware name: LENOVO 81LK/LNVNB161216, BIOS BGCN34WW 05/21/2021
[ 767.110438] RIP: 0010:rtw_dbi_read8.constprop.0+0xaa/0xc0 [rtw88_pci]
[ 767.110450] Code: 03 00 00 48 8b 40 50 e8 04 75 70 fc 5b 41 5c 41 88 45 00 31 c0 41 5d 5d c3 be 19 07 00 00 48 c7 c7 d0 d6 6f c0 e8 1c b9 49 fc <0f> 0b b8 fb ff ff ff 5b 41 5c 41 5d 5d c3 0f 1f 84 00 00 00 00 00
[ 767.110456] RSP: 0018:ffff986fc17137c8 EFLAGS: 00010282
[ 767.110464] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000027
[ 767.110468] RDX: 0000000000000027 RSI: 00000000ffffdfff RDI: ffff8c871e3d8ac8
[ 767.110473] RBP: ffff986fc17137e0 R08: ffff8c871e3d8ac0 R09: ffff986fc1713588
[ 767.110477] R10: 0000000000000001 R11: 0000000000000001 R12: ffff8c83c3bf1f20
[ 767.110481] R13: ffff986fc17137ff R14: ffff8c83c3bf62f0 R15: 0000000000000000
[ 767.110486] FS: 00007f7cd0a4a140(0000) GS:ffff8c871e3c0000(0000) knlGS:0000000000000000
[ 767.110492] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 767.110497] CR2: 00007ff41f160000 CR3: 000000010aff4001 CR4: 00000000003706e0
[ 767.110502] Call Trace:
[ 767.110509] rtw_pci_link_ps+0x54/0x90 [rtw88_pci]
[ 767.110522] rtw_leave_ips+0x1f/0x80 [rtw88_core]
[ 767.110559] rtw_ops_config+0xa3/0xe0 [rtw88_core]
[ 767.110586] ieee80211_hw_config+0x99/0x3e0 [mac80211]
[ 767.110689] ieee80211_recalc_idle+0x27/0x30 [mac80211]
[ 767.110800] __ieee80211_start_scan+0x376/0x740 [mac80211]
[ 767.110901] ieee80211_request_scan+0x30/0x50 [mac80211]
[ 767.111002] ieee80211_scan+0x5c/0xa0 [mac80211]
[ 767.111116] cfg80211_scan+0x1a5/0x250 [cfg80211]
[ 767.111225] nl80211_trigger_scan+0x55c/0x660 [cfg80211]
[ 767.111335] genl_family_rcv_msg_doit.isra.0+0xec/0x150
[ 767.111352] genl_rcv_msg+0xe5/0x1e0
[ 767.111360] ? nl80211_send_scan_start+0xa0/0xa0 [cfg80211]
[ 767.111473] ? genl_family_rcv_msg_doit.isra.0+0x150/0x150
[ 767.111482] netlink_rcv_skb+0x55/0x100
[ 767.111492] genl_rcv+0x29/0x40
[ 767.111500] netlink_unicast+0x1a8/0x250
[ 767.111508] netlink_sendmsg+0x221/0x440
[ 767.111518] sock_sendmsg+0x65/0x70
[ 767.111527] ____sys_sendmsg+0x218/0x290
[ 767.111533] ? copy_msghdr_from_user+0x5c/0x90
[ 767.111543] ___sys_sendmsg+0x81/0xc0
[ 767.111552] ? __check_object_size+0x4d/0x150
[ 767.111559] ? _copy_to_user+0x31/0x50
[ 767.111569] ? sock_getsockopt+0x11a/0xc70
[ 767.111576] ? unix_ioctl+0x9c/0x180
[ 767.111588] ? sock_do_ioctl+0x43/0x140
[ 767.111594] ? __cgroup_bpf_run_filter_setsockopt+0xb6/0x3d0
[ 767.111607] ? __cgroup_bpf_run_filter_getsockopt+0xb4/0x3c0
[ 767.111617] ? _cond_resched+0x19/0x30
[ 767.111626] __sys_sendmsg+0x62/0xb0
[ 767.111635] ? exit_to_user_mode_prepare+0x3d/0x1a0
[ 767.111644] __x64_sys_sendmsg+0x1f/0x30
[ 767.111651] do_syscall_64+0x38/0x90
[ 767.111660] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 767.111671] RIP: 0033:0x7f7cd0dda747
[ 767.111677] Code: 64 89 02 48 c7 c0 ff ff ff ff eb bb 0f 1f 80 00 00 00 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
[ 767.111683] RSP: 002b:00007fffe28e0348 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 767.111691] RAX: ffffffffffffffda RBX: 000055c7abe99650 RCX: 00007f7cd0dda747
[ 767.111695] RDX: 0000000000000000 RSI: 00007fffe28e0380 RDI: 0000000000000006
[ 767.111699] RBP: 000055c7abecd870 R08: 0000000000000004 R09: 00007f7cd0ea2b80
[ 767.111703] R10: 00007fffe28e0454 R11: 0000000000000246 R12: 000055c7abe99560
[ 767.111707] R13: 00007fffe28e0380 R14: 00007fffe28e0454 R15: 000055c7abece780
[ 767.111715] ---[ end trace 74da5af69e3aa44f ]---
[ 767.111722] rtw_8821ce 0000:07:00.0: failed to read ASPM, ret=-5
[ 769.111816] rtw_8821ce 0000:07:00.0: failed to poll offset=0x5 mask=0x2 value=0x0
[ 769.111824] rtw_8821ce 0000:07:00.0: mac power on failed
[ 769.111826] rtw_8821ce 0000:07:00.0: failed to power on mac
[ 769.111828] rtw_8821ce 0000:07:00.0: leave idle state failed
[ 769.111986] rtw_8821ce 0000:07:00.0: failed to leave ips state
[ 769.111989] rtw_8821ce 0000:07:00.0: failed to leave idle state
[ 774.960463] rtw_8821ce 0000:07:00.0: failed to poll offset=0x5 mask=0x2 value=0x0
[ 774.960742] ------------[ cut here ]------------
[ 774.960743] failed to read DBI register, addr=0x0719
[ 774.960767] WARNING: CPU: 9 PID: 281 at drivers/net/wireless/realtek/rtw88/pci.c:1174 rtw_dbi_read8.constprop.0+0xaa/0xc0 [rtw88_pci]
类似内容约有2000行。
$ dmesg | grep -i firmware没有返回任何内容。目前，wifi 已经掉线，我使用有线连接。
我将非常感谢您帮助我稳定 WiFi 连接。