** Description changed: + [SRU Justification] + + [Impact] + + Sometimes MT7921 may not be probed due to an endless mcu reset: + + [ 5.789548] mt7921 mcu reset 0 + [ 5.790625] mt7921 rx type 0x7 + [ 5.790625] mt7921 eid 0x1 ext_eid 0x0 + [ 5.790626] mt76_rx_event eid 0x1 ext_eid 0x0 + + [Fix] + + WiFi and Bluetooth firmware updates from mainline: + * e5a80ef8 linux-firmware: update frimware for mediatek bluetooth chip (MT7921) + * d34196f5 linux-firmware: update firmware for MT7921 WiFi device + + [Test Case] + + This should fix the mcu reset and wireless/bluetooh devices should be + probed successfully. + + [Where problems could occur] + + While there is explicit FW API for kernel version compatibility checking, + this might introduce some hidden glitches that we don't know yet. + + [Other Info] + + MT7921 is supported since Impish 5.13 kernel, and Impish already has the + latest Bluetooth firmware, so only the WiFi one is proposed. For oem-5.13 + and oem-5.14 in Focal, both firmware updates for Bluetooth and WiFi are + required. + + ========== original bug report ========== + [Reproduce Steps] 1.Add the wireless card MT7921 to SUT,Install the Ubuntu OS. 2.During OOBE, Open the settings, there is no wireless settings in the panel,and the wifi cannot be used,issue occurred. [Results] Expected Result:The wireless settings should be exists and wifi can be used Actual Result:The wireless settings not exists and wifi can not be used
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1947829 Title: Cannot identified WLAN card MT7921 in Ubunut OS with Install OS complete first OOBE Boot OS To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1947829/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
