我在笔记本电脑上使用双启动（Windows / Ubuntu 22），Ubuntu 中没有显示 Wifi 选项（Windows 中一切正常）
以下是“sudo lshw -C network”的相关部分
*-network UNCLAIMED
description: Network controller
product: Realtek Semiconductor Co., Ltd.
vendor: Realtek Semiconductor Co., Ltd.
physical id: 0
bus info: pci@0000:2c:00.0
version: 00
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress cap_list
configuration: latency=0
resources: ioport:3000(size=256) memory:5e400000-5e4fffff
这里来自“lspci -nnk | grep -iA2 net”
2c:00.0 Network controller [0280]: Realtek Semiconductor Co., Ltd. Device [10ec:b852]
Subsystem: Lenovo Device [17aa:4853]
我找到了这个答案： Realtek 10ec:b852 的网络驱动程序
但是运行“make”时出现以下错误：
#rm -f .symvers.8852be
make ARCH=x86_64 CROSS_COMPILE= -C /lib/modules/5.19.0-46-generic/build M=/home/jakob/Programs/rtl8852be modules
make[1]: Entering directory '/usr/src/linux-headers-5.19.0-46-generic'
warning: the compiler differs from the one used to build the kernel
The kernel was built by: x86_64-linux-gnu-gcc (Ubuntu 11.3.0-1ubuntu1~22.04.1) 11.3.0
You are using: gcc (Ubuntu 11.3.0-1ubuntu1~22.04.1) 11.3.0
CC [M] /home/jakob/Programs/rtl8852be/platform/platform_linux_pc_pci.o
/home/jakob/Programs/rtl8852be/platform/platform_linux_pc_pci.c: In function ‘pci_cache_wback’:
/home/jakob/Programs/rtl8852be/platform/platform_linux_pc_pci.c:21:17: error: implicit declaration of function ‘pci_dma_sync_single_for_device’; did you mean ‘dma_sync_single_for_device’? [-Werror=implicit-function-declaration]
21 | pci_dma_sync_single_for_device(hwdev, *bus_addr, size,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
| dma_sync_single_for_device
/home/jakob/Programs/rtl8852be/platform/platform_linux_pc_pci.c: In function ‘pci_cache_inv’:
/home/jakob/Programs/rtl8852be/platform/platform_linux_pc_pci.c:30:17: error: implicit declaration of function ‘pci_dma_sync_single_for_cpu’; did you mean ‘dma_sync_single_for_cpu’? [-Werror=implicit-function-declaration]
30 | pci_dma_sync_single_for_cpu(hwdev, *bus_addr, size, direction);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~
| dma_sync_single_for_cpu
/home/jakob/Programs/rtl8852be/platform/platform_linux_pc_pci.c: In function ‘pci_get_bus_addr’:
/home/jakob/Programs/rtl8852be/platform/platform_linux_pc_pci.c:39:29: error: implicit declaration of function ‘pci_map_single’; did you mean ‘dma_map_single’? [-Werror=implicit-function-declaration]
39 | *bus_addr = pci_map_single(hwdev, vir_addr, size, direction);
| ^~~~~~~~~~~~~~
| dma_map_single
/home/jakob/Programs/rtl8852be/platform/platform_linux_pc_pci.c: In function ‘pci_unmap_bus_addr’:
/home/jakob/Programs/rtl8852be/platform/platform_linux_pc_pci.c:50:17: error: implicit declaration of function ‘pci_unmap_single’; did you mean ‘dma_unmap_single’? [-Werror=implicit-function-declaration]
50 | pci_unmap_single(hwdev, *bus_addr, size, direction);
| ^~~~~~~~~~~~~~~~
| dma_unmap_single
/home/jakob/Programs/rtl8852be/platform/platform_linux_pc_pci.c: In function ‘pci_free_noncache_mem’:
/home/jakob/Programs/rtl8852be/platform/platform_linux_pc_pci.c:97:17: error: implicit declaration of function ‘pci_free_consistent’ [-Werror=implicit-function-declaration]
97 | pci_free_consistent(pdev, size, vir_addr, *bus_addr);
| ^~~~~~~~~~~~~~~~~~~
cc1: some warnings being treated as errors
make[2]: *** [scripts/Makefile.build:257: /home/jakob/Programs/rtl8852be/platform/platform_linux_pc_pci.o] Error 1
make[1]: *** [Makefile:1857: /home/jakob/Programs/rtl8852be] Error 2
请帮帮我。我完全不知道如何解决这个问题。
答案1
Realtek 驱动程序以存在问题而闻名，尤其是 RTL88xxxx 系列。过去我遇到过无数这样的问题。
查看日志我可以看到你的确切模型是RTL8852BE。好消息是 Linux 内核版本 6.2+ 附带了该驱动程序，因此 Ubuntu 23.04 本身附带了该驱动程序，所以您只需升级到版本 23.04 即可。
另一种方法（如果您不想进行发行版升级）是从此存储库编译并安装驱动程序：https://github.com/HRex39/rtl8852be
请注意您的内核版本，这仅适用于 <= 6.0.0 的内核版本。更多信息可以在存储库本身中找到。这些是由另一个人整理的，因此您可能会发现一些问题，但它们相对稳定。
请记住，这些驱动程序在内核更新后将失效，因此每次内核更新后您都必须重新安装这些驱动程序。此外，如果您使用双启动，请确保已禁用安全启动。