apt update 已将我的 ubuntu 内核升级到 5.8，之后我的无线不再工作。
结果是缺少 ath9k 模块。
sudo modprobe ath9k
modprobe: FATAL: Module ath9k not found in directory /lib/modules/5.8.0-34-generic
更新：-dpkg-l | grep linux 的输出
ii binutils-x86-64-linux-gnu 2.34-6ubuntu1 amd64 GNU binary utilities, for x86-64-linux-gnu target
ii console-setup-linux 1.194ubuntu3 all Linux specific part of console-setup
ii libselinux1:amd64 3.0-1build2 amd64 SELinux runtime shared libraries
ii libv4l-0:amd64 1.18.0-2build1 amd64 Collection of video4linux support libraries
ii libv4lconvert0:amd64 1.18.0-2build1 amd64 Video4linux frame format conversion library
ii linux-base 4.5ubuntu3.1 all Linux image base package
ii linux-firmware 1.187.7 all Firmware for Linux kernel drivers
ii linux-headers-5.4.0-58 5.4.0-58.64 all Header files related to Linux kernel version 5.4.0
ii linux-headers-5.4.0-58-generic 5.4.0-58.64 amd64 Linux kernel headers for version 5.4.0 on 64 bit x86 SMP
ii linux-headers-5.4.0-59 5.4.0-59.65 all Header files related to Linux kernel version 5.4.0
ii linux-headers-5.4.0-59-generic 5.4.0-59.65 amd64 Linux kernel headers for version 5.4.0 on 64 bit x86 SMP
ii linux-headers-5.8.0-34-generic 5.8.0-34.37~20.04.2 amd64 Linux kernel headers for version 5.8.0 on 64 bit x86 SMP
ii linux-hwe-5.8-headers-5.8.0-34 5.8.0-34.37~20.04.2 all Header files related to Linux kernel version 5.8.0
rc linux-image-5.4.0-42-generic 5.4.0-42.46 amd64 Signed kernel image generic
ii linux-image-5.4.0-58-generic 5.4.0-58.64 amd64 Signed kernel image generic
ii linux-image-5.4.0-59-generic 5.4.0-59.65 amd64 Signed kernel image generic
ii linux-image-5.8.0-34-generic 5.8.0-34.37~20.04.2 amd64 Signed kernel image generic
rc linux-image-unsigned-5.4.0-59-generic 5.4.0-59.65 amd64 Linux kernel image for version 5.4.0 on 64 bit x86 SMP
ii linux-libc-dev:amd64 5.4.0-59.65 amd64 Linux Kernel Headers for development
rc linux-modules-5.4.0-42-generic 5.4.0-42.46 amd64 Linux kernel extra modules for version 5.4.0 on 64 bit x86 SMP
ii linux-modules-5.4.0-58-generic 5.4.0-58.64 amd64 Linux kernel extra modules for version 5.4.0 on 64 bit x86 SMP
ii linux-modules-5.4.0-59-generic 5.4.0-59.65 amd64 Linux kernel extra modules for version 5.4.0 on 64 bit x86 SMP
ii linux-modules-5.8.0-34-generic 5.8.0-34.37~20.04.2 amd64 Linux kernel extra modules for version 5.8.0 on 64 bit x86 SMP
rc linux-modules-extra-5.4.0-42-generic 5.4.0-42.46 amd64 Linux kernel extra modules for version 5.4.0 on 64 bit x86 SMP
ii linux-modules-extra-5.4.0-58-generic 5.4.0-58.64 amd64 Linux kernel extra modules for version 5.4.0 on 64 bit x86 SMP
rc linux-modules-extra-5.4.0-59-generic 5.4.0-59.65 amd64 Linux kernel extra modules for version 5.4.0 on 64 bit x86 SMP
ii linux-modules-nvidia-450-5.4.0-58-generic 5.4.0-58.64 amd64 Linux kernel nvidia modules for version 5.4.0-58
ii linux-modules-nvidia-450-5.4.0-59-generic 5.4.0-59.65 amd64 Linux kernel nvidia modules for version 5.4.0-59
ii linux-modules-nvidia-450-5.8.0-34-generic 5.8.0-34.37~20.04.2 amd64 Linux kernel nvidia modules for version 5.8.0-34
ii linux-modules-nvidia-450-generic-hwe-20.04 5.8.0-34.37~20.04.2 amd64 Extra drivers for nvidia-450 for generic-hwe-20.04
ii linux-sound-base 1.0.25+dfsg-0ubuntu5 all base package for ALSA and OSS sound systems
ii pptp-linux 1.10.0-1build1 amd64 Point-to-Point Tunneling Protocol (PPTP) Client
ii syslinux 3:6.04~git20190206.bf6db5b4+dfsg1-2 amd64 collection of bootloaders (DOS FAT and NTFS bootloader)
ii syslinux-common 3:6.04~git20190206.bf6db5b4+dfsg1-2 all collection of bootloaders (common)
ii syslinux-legacy 2:3.63+dfsg-2ubuntu9 amd64 Bootloader for Linux/i386 using MS-DOS floppies
ii util-linux 2.34-0.1ubuntu9.1 amd64 miscellaneous system utilities
apt show linux-image-generic -a 的输出
Package: linux-image-generic
Version: 5.4.0.59.62
Priority: optional
Section: kernel
Source: linux-meta
Origin: Ubuntu
Maintainer: Ubuntu Kernel Team <[email protected]>
Bugs: https://bugs.launchpad.net/ubuntu/+filebug
Installed-Size: 18.4 kB
Provides: virtualbox-guest-modules (= 6.1.10-dfsg-1~ubuntu1.20.04.1), wireguard-modules (= 1.0.20201112-1~20.04.1), zfs-modules (= 0.8.3-1ubuntu12.5)
Depends: linux-image-5.4.0-59-generic, linux-modules-extra-5.4.0-59-generic, linux-firmware, intel-microcode, amd64-microcode
Recommends: thermald
Download-Size: 2,584 B
APT-Sources: http://gb.archive.ubuntu.com/ubuntu focal-updates/main amd64 Packages
Description: Generic Linux kernel image
This package will always depend on the latest generic kernel image
available.
Package: linux-image-generic
Version: 5.4.0.26.32
Priority: optional
Section: kernel
Source: linux-meta
Origin: Ubuntu
Maintainer: Ubuntu Kernel Team <[email protected]>
Bugs: https://bugs.launchpad.net/ubuntu/+filebug
Installed-Size: 17.4 kB
Provides: virtualbox-guest-modules (= 6.1.6-dfsg-1), wireguard-modules (= 1.0.20200413-1), zfs-modules (= 0.8.3-1ubuntu12)
Depends: linux-image-5.4.0-26-generic, linux-modules-extra-5.4.0-26-generic, linux-firmware, intel-microcode, amd64-microcode
Recommends: thermald
Download-Size: 2,796 B
APT-Sources: http://gb.archive.ubuntu.com/ubuntu focal/main amd64 Packages
Description: Generic Linux kernel image
This package will always depend on the latest generic kernel image
available.
答案1
安装缺少的 linux-modules-extra-5.8.0-34-generic 包提供了 ath9k 模块。
这种情况是由于具有加密磁盘的机器上缺少 keyutils 包导致内核更新失败而引起的。