Public bug reported:
[Impact]
When "pre-boot WiFi" is enabled in UEFI, MT7921e WiFi doesn't work under
Linux.
[Fix]
Reset the device earlier at the probing process.
[Test]
With the patch applied, WiFi always works regardless of pre-boot WiFi is
toggled or not.
[Where problems could occur]
Probe routine might fail one some other corner cases.
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Affects: linux-oem-6.1 (Ubuntu)
Importance: Undecided
Status: Invalid
** Affects: linux (Ubuntu Jammy)
Importance: Undecided
Status: Won't Fix
** Affects: linux-oem-6.1 (Ubuntu Jammy)
Importance: Medium
Status: Confirmed
** Affects: linux (Ubuntu Lunar)
Importance: Undecided
Assignee: Kai-Heng Feng (kaihengfeng)
Status: Confirmed
** Affects: linux-oem-6.1 (Ubuntu Lunar)
Importance: Undecided
Status: Invalid
** Also affects: linux-oem-6.1 (Ubuntu Jammy)
Importance: Undecided
Status: New
** Changed in: linux-oem-6.1 (Ubuntu)
Status: New => Invalid
** Changed in: linux-oem-6.1 (Ubuntu Jammy)
Status: New => Confirmed
** Changed in: linux-oem-6.1 (Ubuntu Jammy)
Importance: Undecided => Medium
** Also affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Lunar)
Importance: Undecided
Status: New
** Also affects: linux-oem-6.1 (Ubuntu Lunar)
Importance: Undecided
Status: New
** Changed in: linux-oem-6.1 (Ubuntu Lunar)
Status: New => Confirmed
** Changed in: linux-oem-6.1 (Ubuntu Lunar)
Status: Confirmed => Invalid
** Changed in: linux (Ubuntu Jammy)
Status: New => Won't Fix
** Changed in: linux (Ubuntu Lunar)
Status: New => Confirmed
** Changed in: linux (Ubuntu Lunar)
Assignee: (unassigned) => Kai-Heng Feng (kaihengfeng)
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https://bugs.launchpad.net/bugs/2026322
Title:
Fix non-working MT7921e when pre-boot WiFi is enabled
Status in linux package in Ubuntu:
New
Status in linux-oem-6.1 package in Ubuntu:
Invalid
Status in linux source package in Jammy:
Won't Fix
Status in linux-oem-6.1 source package in Jammy:
Confirmed
Status in linux source package in Lunar:
Confirmed
Status in linux-oem-6.1 source package in Lunar:
Invalid
Bug description:
[Impact]
When "pre-boot WiFi" is enabled in UEFI, MT7921e WiFi doesn't work under
Linux.
[Fix]
Reset the device earlier at the probing process.
[Test]
With the patch applied, WiFi always works regardless of pre-boot WiFi is
toggled or not.
[Where problems could occur]
Probe routine might fail one some other corner cases.
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2026322/+subscriptions
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