Public bug reported:
[Impact]
The wifi is hard blocked and can't be used randomly.
[Test]
1. Boot up Machine
2. Run `rfkill list` to check wlan0 block state
Wireless: Mediatek Inc. - 14c3:7925
ubuntu@localhost:~$ rfkill list
0: hci0: Bluetooth
Soft blocked: no
Hard blocked: no
1: phy0: Wireless LAN
Soft blocked: no
Hard blocked: yes
[Affected Machines]
202505-36757
202501-36195
202501-36253
[Similar Issue]
https://bugs.launchpad.net/ubuntu/+source/linux-oem-6.14/+bug/2127044
ProblemType: Bug
DistroRelease: Ubuntu 24.04
Package: linux-image-6.17.0-1020-oem 6.17.0-1020.20
ProcVersionSignature: Ubuntu 6.17.0-1020.20-oem 6.17.13
Uname: Linux 6.17.0-1020-oem x86_64
ApportVersion: 2.28.2-0ubuntu0.1
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: ubuntu 1918 F.... pipewire
ubuntu 1922 F.... wireplumber
/dev/snd/controlC0: ubuntu 1922 F.... wireplumber
/dev/snd/seq: ubuntu 1918 F.... pipewire
CasperMD5CheckMismatches: ./casper/initrd ./casper/vmlinuz
./casper/minimal.standard.live.hotfix.manifest
./casper/minimal.standard.live.hotfix.size ./casper/minimal.standard.live.size
./casper/minimal.manifest ./casper/minimal.standard.manifest
./casper/minimal.standard.size ./casper/minimal.hotfix.size
./casper/minimal.standard.live.hotfix.squashfs
./casper/minimal.standard.hotfix.squashfs ./casper/minimal.standard.hotfix.size
./casper/minimal.hotfix.squashfs ./casper/minimal.standard.live.manifest
./casper/minimal.size ./boot/grub/grub.cfg
CasperMD5CheckResult: fail
Date: Thu Jun 25 05:43:16 2026
DistributionChannelDescriptor:
# This is the distribution channel descriptor for Ubuntu 24.04 for Dell
# For more information see http://wiki.ubuntu.com/DistributionChannelDescriptor
canonical-oem-somerville-noble-oem-24.04b-proposed-20250604-520
InstallationDate: Installed on 2026-05-07 (49 days ago)
InstallationMedia: Ubuntu OEM 24.04.2 LTS "Noble Numbat" - Release amd64
(20250603)
IwConfig:
lo no wireless extensions.
enp195s0f0 no wireless extensions.
wlp194s0 no wireless extensions.
MachineType: Dell Inc. Dell Pro Max 14 MC14255
ProcFB: 0 amdgpudrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-6.17.0-1020-oem
root=UUID=881d0e73-6adc-444d-90b2-9491672e82b1 ro quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-6.17.0-1020-oem N/A
linux-backports-modules-6.17.0-1020-oem N/A
linux-firmware 20240318.git3b128b60-0ubuntu2.27
SourcePackage: linux-oem-6.17
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 09/09/2025
dmi.bios.release: 1.4
dmi.bios.vendor: Dell Inc.
dmi.bios.version: 1.4.1
dmi.board.name: 0WT010
dmi.board.vendor: Dell Inc.
dmi.board.version: D01
dmi.chassis.type: 10
dmi.chassis.vendor: Dell Inc.
dmi.ec.firmware.release: 1.3
dmi.modalias:
dmi:bvnDellInc.:bvr1.4.1:bd09/09/2025:br1.4:efr1.3:svnDellInc.:pnDellProMax14MC14255:pvr:rvnDellInc.:rn0WT010:rvrD01:cvnDellInc.:ct10:cvr:sku0D80:
dmi.product.family: Dell Pro Max Laptops
dmi.product.name: Dell Pro Max 14 MC14255
dmi.product.sku: 0D80
dmi.sys.vendor: Dell Inc.
** Affects: linux-oem-6.17 (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug noble
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https://bugs.launchpad.net/bugs/2158229
Title:
MT7925 wifi is hard blocked on Dell's machine
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