Public bug reported:
[Impact]
The MT7921 card is missing during the warm reboot stress test.
04:00.0 Network controller [0280]: MEDIATEK Corp. Device [14c3:7961]
Subsystem: Lenovo Device [17aa:e0bc]
Kernel driver in use: mt7921e
Kernel modules: mt7921e
[Fix]
Copied the new firmwares from upstream, this issue is fixed.
commit 3959b595b39126f5193a51756a76a1231715dbec
Author: Deren Wu <[email protected]>
Date: Thu Feb 10 23:15:52 2022 +0800
linux-firmware: update firmware for MT7921 WiFi device
Update binary firmware for MT7921 WiFi devices
File: mediatek/WIFI_MT7961_patch_mcu_1_2_hdr.bin
Version: 20220209150832a
File: mediatek/WIFI_RAM_CODE_MT7961_1.bin
Version: 20220209150915
Signed-off-by: Deren Wu <[email protected]>
Signed-off-by: Josh Boyer <[email protected]>
commit e04f05aa1ece8ba18ec22b06a5f798af913fa48b
Author: Mark Chen <[email protected]>
Date: Thu Feb 10 18:16:49 2022 +0800
linux-firmware: update firmware for mediatek bluetooth chip(MT7921)
Update binary firmware for MT7921 BT devices.
File: mediatek/BT_RAM_CODE_MT7961_1_2_hdr.bin
Version: 20220209151054
Signed-off-by: Mark Chen <[email protected]>
Signed-off-by: Josh Boyer <[email protected]>
[Test]
reboot 30 times, it passed stress test case'reboot 30 times' twice.
[Where problems could occur]
It updates firmwares from upstream which is from mediatek, it should be low
risk.
** Affects: oem-priority
Importance: Critical
Status: New
** Affects: linux-firmware (Ubuntu)
Importance: Undecided
Status: New
** Tags: oem-priority originate-from-1963596 sutton
** Tags added: oem-priority originate-from-1963596 sutton
** Changed in: oem-priority
Importance: Undecided => Critical
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https://bugs.launchpad.net/bugs/1963676
Title:
[SRU] Update MT7921 firmware
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