The pull request contains two commits, yet only the first one was cherry-picked into 1.187.28:
* 743e3f68aad1 (vicamo/bug-1963614/MT7921-fallen-off-pci-bus/focal-pull) linux-firmware: update firmware for mediatek bluetooth chip(MT7921) | WHENCE | 2 +- | mediatek/BT_RAM_CODE_MT7961_1_2_hdr.bin | Bin 512494 -> 516078 bytes | 2 files changed, 1 insertion(+), 1 deletion(-) * 8b98db0c1dbb linux-firmware: update firmware for MT7921 WiFi device | WHENCE | 4 ++-- | mediatek/WIFI_MT7961_patch_mcu_1_2_hdr.bin | Bin 92192 -> 92192 bytes | mediatek/WIFI_RAM_CODE_MT7961_1.bin | Bin 694984 -> 694728 bytes | 3 files changed, 2 insertions(+), 2 deletions(-) ** Tags added: verification-failed-focal -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-firmware in Ubuntu. https://bugs.launchpad.net/bugs/1963614 Title: mt7921e device disappear after warm boot stress Status in HWE Next: New Status in OEM Priority Project: New Status in linux-firmware package in Ubuntu: Fix Released Status in linux-firmware source package in Focal: Fix Committed Status in linux-firmware source package in Jammy: Fix Released Bug description: [SRU Justification] [Impact] mt7921e may not appear in the bus enumeration during warm boot stress tests. [Fix] This can only be fixed in the firmware. [Test Case] Run checkbox reboot stress tests to try trigger this issue: $ checkbox-cli run com.canonical.certification::stress/reboot [Where problems could occur] While this backports proprietary fw blob, it may bring driver compatibility issues we cannot know in the first place. Jammy has these already, so only Focal (for oem-5.14) is nominated. We don't have mt7921e hardware v2.1 support in Impish 5.13 kernel. ========== original bug report ========== [Summary] mt7921 wlan device disappear after warm reset, can be recovered by cold boot. [Reproduce Steps] 1. do warm boot stress 100 times 2. check wifi function after stress finished 3. wifi has no function and mt7921e device disappeared [Results] Expected: wifi works normally Actual: wifi broken To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1963614/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
