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wd3
Asked: 2024-11-04 05:20:19 +0800 CST

ath9k（wi-fi）驱动程序无法与新版 24.04.1 LTS 和内核 6.8.0-48-generic 正常工作

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我的 WIFI 有问题

重启后 8-10 分钟内可以正常工作，但随后它开始重新连接、失去连接等等

这个问题是在我的旧 Ubuntu 22.04.5 LTS 内核更新后出现的，我发现我的 WIFI 只有在内核 5.15.0-76-generic 上才能稳定工作，所以我使用了它

当我升级到 Ubuntu 24.04.1 LTS 时，我希望它能解决我的问题，但即使是最新的内核 6.8.0-48-generic 更新也没有帮助

我尝试将驱动程序文件夹从内核 5.15.0-76-generic 复制到新内核（ChatGPT 有帮助），然后我尝试了surfacego-wifi - 没有结果

现在我有两个选择

  1. 使用以太网电缆
  2. 切换到旧的操作系统/内核

但我喜欢新的 Ubuntu 24，所以请帮我解决这个问题

以下是一些详细信息

我的系统参数：

  • 华硕 N551JW
  • 英特尔® 酷睿™ i7-4720HQ CPU @ 2.60GHz × 8
  • NVIDIA GeForce GTX 960M/PCIe/SSE2
  • 内存 16GB
$ sudo dmesg | grep ath
[    2.174899] systemd[1]: /etc/systemd/system/anydesk.service:9: PIDFile= references a path below legacy directory /var/run/, updating /var/run/anydesk.pid → /run/anydesk.pid; please update the unit file accordingly.
[    2.250017] systemd[1]: Started systemd-ask-password-wall.path - Forward Password Requests to Wall Directory Watch.
[    2.268147] systemd[1]: systemd-fsck-root.service - File System Check on Root Device was skipped because of an unmet condition check (ConditionPathExists=!/run/initramfs/fsck-root).
[    3.867601] usbcore: registered new interface driver ath3k
[    3.879154] ath: phy0: Set parameters for CUS198
[    3.879160] ath: phy0: Set BT/WLAN RX diversity capability
[    3.887376] ath: phy0: Enable LNA combining
[    3.889668] ath: phy0: ASPM enabled: 0x42
[    3.889674] ath: EEPROM regdomain: 0x60
[    3.889676] ath: EEPROM indicates we should expect a direct regpair map
[    3.889678] ath: Country alpha2 being used: 00
[    3.889679] ath: Regpair used: 0x60
[    3.903803] ath9k 0000:04:00.0 wlp4s0: renamed from wlan0
[  277.758788] audit: type=1107 audit(1730666769.211:210): pid=1383 uid=102 auid=4294967295 ses=4294967295 subj=unconfined msg='apparmor="DENIED" operation="dbus_method_call"  bus="system" path="/org/freedesktop/timedate1" interface="org.freedesktop.DBus.Properties" member="GetAll" mask="send" name=":1.125" pid=4251 label="snap.firefox.firefox" peer_pid=4409 peer_label="unconfined"
[  277.759595] audit: type=1107 audit(1730666769.212:211): pid=1383 uid=102 auid=4294967295 ses=4294967295 subj=unconfined msg='apparmor="DENIED" operation="dbus_method_call"  bus="system" path="/org/freedesktop/timedate1" interface="org.freedesktop.DBus.Properties" member="GetAll" mask="send" name=":1.125" pid=4251 label="snap.firefox.firefox" peer_pid=4409 peer_label="unconfined"
[  336.001886] ath: phy0: DMA failed to stop in 10 ms AR_CR=0x00000024 AR_DIAG_SW=0x02000020 DMADBG_7=0x00006100
[  340.840702] ath: phy0: DMA failed to stop in 10 ms AR_CR=0x00000024 AR_DIAG_SW=0x02000020 DMADBG_7=0x00006100
[  346.176497] ath: phy0: DMA failed to stop in 10 ms AR_CR=0x00000024 AR_DIAG_SW=0x02000020 DMADBG_7=0x00006100
[  348.321570] ath: phy0: DMA failed to stop in 10 ms AR_CR=0x00000024 AR_DIAG_SW=0x02000020 DMADBG_7=0x00006100
[  353.720426] ath: phy0: DMA failed to stop in 10 ms AR_CR=0x00000024 AR_DIAG_SW=0x02000020 DMADBG_7=0x0000610c
[  360.759970] ath: phy0: DMA failed to stop in 10 ms AR_CR=0x00000024 AR_DIAG_SW=0x02000020 DMADBG_7=0x00006100
[  368.127641] ath: phy0: DMA failed to stop in 10 ms AR_CR=0x00000024 AR_DIAG_SW=0x02000020 DMADBG_7=0x00006100
[  371.303975] ath: phy0: DMA failed to stop in 10 ms AR_CR=0x00000024 AR_DIAG_SW=0x02000020 DMADBG_7=0x00006100
[  376.959554] ath: phy0: DMA failed to stop in 10 ms AR_CR=0x00000024 AR_DIAG_SW=0x02000020 DMADBG_7=0x00006100
[  381.741208] ath: phy0: DMA failed to stop in 10 ms AR_CR=0x00000024 AR_DIAG_SW=0x02000020 DMADBG_7=0x00006100
[  385.699023] ath: phy0: DMA failed to stop in 10 ms AR_CR=0x00000024 AR_DIAG_SW=0x02000020 DMADBG_7=0x00006100
[  391.814775] ath: phy0: DMA failed to stop in 10 ms AR_CR=0x00000024 AR_DIAG_SW=0x02000020 DMADBG_7=0x00006100
[  397.871560] ath: phy0: DMA failed to stop in 10 ms AR_CR=0x00000024 AR_DIAG_SW=0x02000020 DMADBG_7=0x00006100
[  401.798424] ath: phy0: DMA failed to stop in 10 ms AR_CR=0x00000024 AR_DIAG_SW=0x02000020 DMADBG_7=0x00006100
[  405.852222] ath: phy0: DMA failed to stop in 10 ms AR_CR=0x00000024 AR_DIAG_SW=0x02000020 DMADBG_7=0x00006100
[  412.909632] ath: phy0: DMA failed to stop in 10 ms AR_CR=0x00000024 AR_DIAG_SW=0x02000020 DMADBG_7=0x00006100
[  419.166673] ath: phy0: DMA failed to stop in 10 ms AR_CR=0x00000024 AR_DIAG_SW=0x02000020 DMADBG_7=0x00006100
[  423.829560] ath: phy0: DMA failed to stop in 10 ms AR_CR=0x00000024 AR_DIAG_SW=0x02000020 DMADBG_7=0x0000610c
[  430.707407] ath: phy0: DMA failed to stop in 10 ms AR_CR=0x00000024 AR_DIAG_SW=0x02000020 DMADBG_7=0x00006100
[  436.907634] ath: phy0: DMA failed to stop in 10 ms AR_CR=0x00000024 AR_DIAG_SW=0x02000020 DMADBG_7=0x00006100
[  440.868146] ath: phy0: DMA failed to stop in 10 ms AR_CR=0x00000024 AR_DIAG_SW=0x02000020 DMADBG_7=0x00006100
[  447.731070] ath: phy0: DMA failed to stop in 10 ms AR_CR=0x00000024 AR_DIAG_SW=0x02000020 DMADBG_7=0x00006100
[  454.801735] ath: phy0: DMA failed to stop in 10 ms AR_CR=0x00000024 AR_DIAG_SW=0x02000020 DMADBG_7=0x0000610e

$ lspci -knn | grep Net -A2
04:00.0 Network controller [0280]: Qualcomm Atheros AR9485 Wireless Network Adapter [168c:0032] (rev 01)
    Subsystem: AzureWave AR9485 Wireless Network Adapter [1a3b:2126]
    Kernel driver in use: ath9k
    Kernel modules: ath9k

$ uname -a
Linux N551JW 6.8.0-48-generic #48-Ubuntu SMP PREEMPT_DYNAMIC Fri Sep 27 14:04:52 UTC 2024 x86_64 x86_64 x86_64 GNU/Linux

$ sudo lshw -C network
  *-network                 
       description: Wireless interface
       product: AR9485 Wireless Network Adapter
       vendor: Qualcomm Atheros
       physical id: 0
       bus info: pci@0000:04:00.0
       logical name: wlp4s0
       version: 01
       serial: 28:c2:dd:d8:3f:c7
       width: 64 bits
       clock: 33MHz
       capabilities: pm msi pciexpress bus_master cap_list rom ethernet physical wireless
       configuration: broadcast=yes driver=ath9k driverversion=6.8.0-48-generic firmware=N/A ip=192.168.1.2 latency=0 link=yes multicast=yes wireless=IEEE 802.11
       resources: irq:18 memory:f7900000-f797ffff memory:f7980000-f798ffff
  *-network
       description: Ethernet interface
       product: RTL8111/8168/8211/8411 PCI Express Gigabit Ethernet Controller
       vendor: Realtek Semiconductor Co., Ltd.
       physical id: 0.1
       bus info: pci@0000:05:00.1
       logical name: enp5s0f1
       version: 12
       serial: 08:62:66:b9:00:58
       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=6.8.0-48-generic firmware=rtl8411-2_0.0.1 07/08/13 latency=0 link=no multicast=yes port=twisted pair
       resources: irq:19 ioport:d000(size=256) memory:f7814000-f7814fff memory:f7810000-f7813fff

$ lspci
00:00.0 Host bridge: Intel Corporation Xeon E3-1200 v3/4th Gen Core Processor DRAM Controller (rev 06)
00:01.0 PCI bridge: Intel Corporation Xeon E3-1200 v3/4th Gen Core Processor PCI Express x16 Controller (rev 06)
00:02.0 VGA compatible controller: Intel Corporation 4th Gen Core Processor Integrated Graphics Controller (rev 06)
00:03.0 Audio device: Intel Corporation Xeon E3-1200 v3/4th Gen Core Processor HD Audio Controller (rev 06)
00:14.0 USB controller: Intel Corporation 8 Series/C220 Series Chipset Family USB xHCI (rev 05)
00:16.0 Communication controller: Intel Corporation 8 Series/C220 Series Chipset Family MEI Controller #1 (rev 04)
00:1a.0 USB controller: Intel Corporation 8 Series/C220 Series Chipset Family USB EHCI #2 (rev 05)
00:1b.0 Audio device: Intel Corporation 8 Series/C220 Series Chipset High Definition Audio Controller (rev 05)
00:1c.0 PCI bridge: Intel Corporation 8 Series/C220 Series Chipset Family PCI Express Root Port #1 (rev d5)
00:1c.1 PCI bridge: Intel Corporation 8 Series/C220 Series Chipset Family PCI Express Root Port #2 (rev d5)
00:1c.2 PCI bridge: Intel Corporation 8 Series/C220 Series Chipset Family PCI Express Root Port #3 (rev d5)
00:1c.3 PCI bridge: Intel Corporation 8 Series/C220 Series Chipset Family PCI Express Root Port #4 (rev d5)
00:1d.0 USB controller: Intel Corporation 8 Series/C220 Series Chipset Family USB EHCI #1 (rev 05)
00:1f.0 ISA bridge: Intel Corporation HM86 Express LPC Controller (rev 05)
00:1f.2 SATA controller: Intel Corporation 8 Series/C220 Series Chipset Family 6-port SATA Controller 1 [AHCI mode] (rev 05)
00:1f.3 SMBus: Intel Corporation 8 Series/C220 Series Chipset Family SMBus Controller (rev 05)
01:00.0 3D controller: NVIDIA Corporation GM107M [GeForce GTX 960M] (rev a2)
04:00.0 Network controller: Qualcomm Atheros AR9485 Wireless Network Adapter (rev 01)
05:00.0 Unassigned class [ff00]: Realtek Semiconductor Co., Ltd. RTL8411B PCI Express Card Reader (rev 01)
05:00.1 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168/8211/8411 PCI Express Gigabit Ethernet Controller (rev 12)

$ iwconfig
lo        no wireless extensions.

enp5s0f1  no wireless extensions.

wlp4s0    IEEE 802.11  ESSID:"My_SSID"  
          Mode:Managed  Frequency:2.412 GHz  Access Point: 04:5E:A4:4D:92:82   
          Bit Rate=1 Mb/s   Tx-Power=15 dBm   
          Retry short limit:7   RTS thr:off   Fragment thr:off
          Power Management:off
          Link Quality=70/70  Signal level=-32 dBm  
          Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
          Tx excessive retries:980  Invalid misc:6   Missed beacon:0

$ rfkill list
0: hci0: Bluetooth
    Soft blocked: no
    Hard blocked: no
1: phy0: Wireless LAN
    Soft blocked: no
    Hard blocked: no
networking

2 个回答

  1. 我认为以下内容具有高风险，因此，任何操作均由您自行承担风险。我自己还没有尝试过。

    以下线程建议通过添加内核参数来解决

    https://bbs.archlinux.org/viewtopic.php?id=230745

    intel_iommu=off

    这也有可能intel_iommu=igfx_off有效，但取决于您拥有的硬件。

    此参数似乎仅在使用 PCI 直通等高级虚拟机功能时才需要设置为“on”，因此在大多数情况下禁用它应该不是问题。

    选项为on off& igfx_off igfx_off[默认关闭] 默认情况下，gfx 被映射为普通设备。如果 gfx 设备有专用的 DMAR 单元，则通过不启用此选项的 DMAR 来绕过 DMAR 单元。在这种情况下，gfx 设备将使用物理地址进行 DMA。

    打开 gnome 终端

    使用你喜欢的编辑器（我使用 vi）

    sudo vi /etc/default/grub#在终端中

    转到第 10 行（ish）然后修改以下内容：-

    GRUB_CMDLINE_LINUX_DEFAULT="quiet splash"

    我希望这能有所帮助

    到

    GRUB_CMDLINE_LINUX_DEFAULT="quiet splash intel_iommu=off"

    保存更新并运行以下命令

    sudo update-grub

    重新启动。

    您可以在重启后通过运行 cat /proc/cmdline 并查找您添加的部分来确认您的修改。

    https://www.reddit.com/r/linuxhardware/comments/exovc6/where_do_i_add_intel_iommuigfx_off/

    • 1
  2. Best Answer

    GRUB_CMDLINE_LINUX_DEFAULT="安静启动 intel_iommu=off"

    • 1

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