Public bug reported: After updating to kernel 5.11.0-25-generic wireless driver failed to recognize WiFi card. c.f. bug #1938983 for more details ( mistakenly entered under initramfs-tools package )
$ lsb_release -a LSB Version: core-11.1.0ubuntu2-noarch:security-11.1.0ubuntu2-noarch Distributor ID: Ubuntu Description: July2021 Release: 20.04 Codename: focal $ inxi -S System: Host: alpha Kernel: 5.11.0-25-generic x86_64 bits: 64 Desktop: Gnome 3.36.9 Distro: Ubuntu 20.04.2 LTS (Focal Fossa) Workaround: connected Ethernet. (Inconvenient) when I plug in my USB rtl8188 wifi device 1. No WiFi connection 2. various (e.g. firefox, wavemon) do not start, terminal locks and the only recourse is a reboot. Searching Google came across this: https://askubuntu.com/questions/1306358/how-do-stop-ubuntu-20-04-from-upgrading-to-the-5-8-hwe-kernel <quote> This latest 5.8 update has caused a lot of issues for a lot of people. The most critical being breaking: Graphics Drivers Virtualbox no longer working. You can fix this by downloading straight from virtualbox.org but then that breaks Python. WIFI Stops working </quote> not something that should happen to a LTS version!! ** Affects: linux-hwe-5.11 (Ubuntu) Importance: Undecided Status: New -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-hwe-5.11 in Ubuntu. https://bugs.launchpad.net/bugs/1939635 Title: No WiFi after 5.11.0-25-generic update Status in linux-hwe-5.11 package in Ubuntu: New Bug description: After updating to kernel 5.11.0-25-generic wireless driver failed to recognize WiFi card. c.f. bug #1938983 for more details ( mistakenly entered under initramfs-tools package ) $ lsb_release -a LSB Version: core-11.1.0ubuntu2-noarch:security-11.1.0ubuntu2-noarch Distributor ID: Ubuntu Description: July2021 Release: 20.04 Codename: focal $ inxi -S System: Host: alpha Kernel: 5.11.0-25-generic x86_64 bits: 64 Desktop: Gnome 3.36.9 Distro: Ubuntu 20.04.2 LTS (Focal Fossa) Workaround: connected Ethernet. (Inconvenient) when I plug in my USB rtl8188 wifi device 1. No WiFi connection 2. various (e.g. firefox, wavemon) do not start, terminal locks and the only recourse is a reboot. Searching Google came across this: https://askubuntu.com/questions/1306358/how-do-stop-ubuntu-20-04-from-upgrading-to-the-5-8-hwe-kernel <quote> This latest 5.8 update has caused a lot of issues for a lot of people. The most critical being breaking: Graphics Drivers Virtualbox no longer working. You can fix this by downloading straight from virtualbox.org but then that breaks Python. WIFI Stops working </quote> not something that should happen to a LTS version!! To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-hwe-5.11/+bug/1939635/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
