[Bug 2127044] Re: MT7925 wifi is hard blocked on HP's machine

This bug was fixed in the package linux - 6.17.0-19.19

---------------
linux (6.17.0-19.19) questing; urgency=medium

* Questing: Failed to query NVIDIA devices (LP: #2143480)
- [Config] disable NOVA_CORE

* Miscellaneous upstream changes
- apparmor: validate DFA start states are in bounds in unpack_pdb
- apparmor: fix memory leak in verify_header
- apparmor: replace recursive profile removal with iterative approach
- apparmor: fix: limit the number of levels of policy namespaces
- apparmor: fix side-effect bug in match_char() macro usage
- apparmor: fix missing bounds check on DEFAULT table in verify_dfa()
- apparmor: Fix double free of ns_name in aa_replace_profiles()
- apparmor: fix unprivileged local user can do privileged policy
management
- apparmor: fix differential encoding verification
- apparmor: fix race on rawdata dereference
- apparmor: fix race between freeing data and fs accessing it

-- Mehmet Basaran <mehmet.basaran@canonical.com> Fri, 06 Mar 2026
15:30:11 +0300

** Changed in: linux (Ubuntu Questing)
Status: Fix Committed => Fix Released

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https://bugs.launchpad.net/bugs/2127044

Title:
MT7925 wifi is hard blocked on HP's machine

Status in HWE Next:
New
Status in linux package in Ubuntu:
Invalid
Status in linux-firmware package in Ubuntu:
Invalid
Status in linux-oem-6.14 package in Ubuntu:
Invalid
Status in linux-oem-6.17 package in Ubuntu:
Invalid
Status in linux source package in Noble:
Invalid
Status in linux-firmware source package in Noble:
In Progress
Status in linux-oem-6.14 source package in Noble:
Fix Released
Status in linux-oem-6.17 source package in Noble:
Fix Released
Status in linux source package in Questing:
Fix Released
Status in linux-firmware source package in Questing:
In Progress
Status in linux-oem-6.14 source package in Questing:
Invalid
Status in linux-oem-6.17 source package in Questing:
Invalid

Bug description:
[Impact]
The wifi is hard blocked and can't be used randomly.

[Fix]
The issue is introduced by commit 085749115fd37 ("wifi: mt76: mt7925: add rfkill_poll for hardware rfkill")
The machine doesn't support this feature may lead to undefined behavior, and MTK will submit a firmware to fix this issue in the near feature.

For short-term solution, we made a DMI quick to list the machines that
doesn't support this feature.

[Test]
1. Boot up HP Z2 Mini G1a Workstation
2. Run `rfkill list` to check wlan0 block state
3. Re-plug power cord and then check rfkill state again
4. The wlan0 should not be hard blocked.

[Where problems could occur]
Should be pretty safe to return the function call directly, since the machine doesn't support it.

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