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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https://bugs.launchpad.net/ubuntu/+source/initramfs-tools/+bug/1938983/+subscriptions
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