[Bug 1938983] [NEW] missing modules after 5.11.0-25-generic update

[MikeR]

Public bug reported:

After updating to kernel 5.11.0-25-generic wireless driver failed to recognize WiFi card.
Possible reasons/symptoms:
$ sudo update-initramfs -u -k all
update-initramfs: Generating /boot/initrd.img-5.11.0-25-generic
W: Possible missing firmware /lib/firmware/i915/skl_guc_49.0.1.bin for module i915
W: Possible missing firmware /lib/firmware/i915/bxt_guc_49.0.1.bin for module i915
W: Possible missing firmware /lib/firmware/i915/kbl_guc_49.0.1.bin for module i915
W: Possible missing firmware /lib/firmware/i915/glk_guc_49.0.1.bin for module i915
W: Possible missing firmware /lib/firmware/i915/kbl_guc_49.0.1.bin for module i915
W: Possible missing firmware /lib/firmware/i915/kbl_guc_49.0.1.bin for module i915
W: Possible missing firmware /lib/firmware/i915/cml_guc_49.0.1.bin for module i915
W: Possible missing firmware /lib/firmware/i915/icl_guc_49.0.1.bin for module i915
W: Possible missing firmware /lib/firmware/i915/ehl_guc_49.0.1.bin for module i915
W: Possible missing firmware /lib/firmware/i915/ehl_guc_49.0.1.bin for module i915
W: Possible missing firmware /lib/firmware/i915/tgl_huc_7.5.0.bin for module i915
W: Possible missing firmware /lib/firmware/i915/tgl_guc_49.0.1.bin for module i915
W: Possible missing firmware /lib/firmware/i915/tgl_huc_7.5.0.bin for module i915
W: Possible missing firmware /lib/firmware/i915/tgl_guc_49.0.1.bin for module i915
W: Possible missing firmware /lib/firmware/i915/dg1_dmc_ver2_02.bin for module i915
update-initramfs: Generating /boot/initrd.img-5.8.0-63-generic

$ 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

Workaround: connected Ethernet. (Inconvenient)

** Affects: initramfs-tools (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1938983

Title:
  missing modules after 5.11.0-25-generic update

Status in initramfs-tools package in Ubuntu:
  New

Bug description:
  After updating to kernel 5.11.0-25-generic wireless driver failed to recognize WiFi card.
  Possible reasons/symptoms:
  $ sudo update-initramfs -u -k all
  update-initramfs: Generating /boot/initrd.img-5.11.0-25-generic
  W: Possible missing firmware /lib/firmware/i915/skl_guc_49.0.1.bin for module i915
  W: Possible missing firmware /lib/firmware/i915/bxt_guc_49.0.1.bin for module i915
  W: Possible missing firmware /lib/firmware/i915/kbl_guc_49.0.1.bin for module i915
  W: Possible missing firmware /lib/firmware/i915/glk_guc_49.0.1.bin for module i915
  W: Possible missing firmware /lib/firmware/i915/kbl_guc_49.0.1.bin for module i915
  W: Possible missing firmware /lib/firmware/i915/kbl_guc_49.0.1.bin for module i915
  W: Possible missing firmware /lib/firmware/i915/cml_guc_49.0.1.bin for module i915
  W: Possible missing firmware /lib/firmware/i915/icl_guc_49.0.1.bin for module i915
  W: Possible missing firmware /lib/firmware/i915/ehl_guc_49.0.1.bin for module i915
  W: Possible missing firmware /lib/firmware/i915/ehl_guc_49.0.1.bin for module i915
  W: Possible missing firmware /lib/firmware/i915/tgl_huc_7.5.0.bin for module i915
  W: Possible missing firmware /lib/firmware/i915/tgl_guc_49.0.1.bin for module i915
  W: Possible missing firmware /lib/firmware/i915/tgl_huc_7.5.0.bin for module i915
  W: Possible missing firmware /lib/firmware/i915/tgl_guc_49.0.1.bin for module i915
  W: Possible missing firmware /lib/firmware/i915/dg1_dmc_ver2_02.bin for module i915
  update-initramfs: Generating /boot/initrd.img-5.8.0-63-generic

  $ 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

  Workaround: connected Ethernet. (Inconvenient)

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