Public bug reported:
[Impact]
Intel AX201 firmware crashes or hardware RX ring buffer hangs after S3.
[Fix]
Use new firmware from linux-firmware.git can solve the issue.
[Test]
WiFi works for each cycle of 1000 S3 cycles.
[Regression Potential]
Both Focal 5.4 and OEM 5.6 kernel use this firmware, so it might regress
current 5.4 users. I did a smoke test with this firmware on Focal 5.4,
and I didn't see any regression.
Instead of cherry-pick the commit, only add the firmware needed for
AX201 to minimize the regression risk.
** Affects: linux-firmware (Ubuntu)
Importance: Undecided
Status: Fix Released
** Affects: linux-firmware (Ubuntu Focal)
Importance: Medium
Status: Confirmed
** Also affects: linux-firmware (Ubuntu Focal)
Importance: Undecided
Status: New
** Changed in: linux-firmware (Ubuntu)
Status: New => Fix Released
** Changed in: linux-firmware (Ubuntu Focal)
Status: New => Confirmed
** Changed in: linux-firmware (Ubuntu Focal)
Importance: Undecided => Medium
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https://bugs.launchpad.net/bugs/1900883
Title:
Add new iwlwifi firmware to solve AX201 hang
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