** Description changed: [SRU Justfication] BugLink: https://bugs.launchpad.net/bugs/2119479 These binary firmware changes are required to fix the following issues (provided by vendor): Release Note: - Fix "PCIE AER: RxErr" issue - Fix "probe request Supported Rates Listed twice" issue - with driver patch: https://patchwork.kernel.org/project/linux-wireless/patch/[email protected]/ - Send Beacon frame (with MBSS IE) to driver directly for mac80211. - with driver patch: https://patchwork.kernel.org/project/linux-wireless/patch/[email protected]/ [Impact] - Lack of some WiFi and Bluetooth functionality on mt7925 device. + Addresses lack of some WiFi and Bluetooth functionality on mt7925 device + and undefined behavior / unreliability when connecting to some APs. Specifically, this update changes how the beacon frame with MBSS IE is delivered to the driver, in conjunction with this kernel change: https://patchwork.kernel.org/project/linux- wireless/patch/[email protected]/ [Fix] Apply the following vendor-proposed patches from upstream: https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/commit/mediatek/mt7925?id=2ccae12c4f73bf130143ab7cc9c8546d25faac47 https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/commit/mediatek/mt7925?id=ebf45cd0f8d0e98d08e7ecfc10342735425677b1 [Test Case] Verify that Wifi and BT connections can still be established with the updated blobs, and verify that MBSS functionality works as expected [Where problems could occur] - If this firmware is used without https://patchwork.kernel.org/project/linux-wireless/patch/[email protected]/ being present in the running kernel, the firmware patch may cause a regression in 6GHz functionality. (currently being verified). - If confirmed, I won't submit the linux-firmware patch request until this kernel patch is accepted in the generic and derivative kernels for all targeted releases. + Without these patches, affected wireless adapters connecting to 6GHz APs + that broadcast MBSSID have undefined behavior. In various tests, it was + observed that there were frequent disconnections in cases where the host + was closer in proximity to the AP, but that there were instances where a + connection could be maintained if they were farther away. + + If this firmware is used without + https://patchwork.kernel.org/project/linux- + wireless/patch/[email protected]/ being + present in the running kernel, the firmware patch can cause some such + devices to be unable to detect their APs regardless of distance. This + could be perceived as a regression for users who don't observe this + issue (which would be resolved once they update their kernel to include + the related driver patch, which I will SRU into noble-generic and + derivatives). + + Given that the best case behavior for impacted devices without these + patches is undefined behavior at best, I believe they are + necessary/appropriate to SRU. [Other Info] This update originates from a support request by Nvidia
** Summary changed: - [SRU][P/N] mt7925: Wi-fi and Bluetooth FW update to 20250721232943 + [SRU][Q/P/N] mt7925: Wi-fi and Bluetooth FW update to 20250721232943 -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/2119479 Title: [SRU][Q/P/N] mt7925: Wi-fi and Bluetooth FW update to 20250721232943 Status in linux package in Ubuntu: New Status in linux-firmware package in Ubuntu: In Progress Status in linux source package in Noble: New Status in linux-firmware source package in Noble: In Progress Status in linux source package in Plucky: New Status in linux-firmware source package in Plucky: In Progress Status in linux source package in Questing: New Status in linux-firmware source package in Questing: In Progress Bug description: [SRU Justfication] BugLink: https://bugs.launchpad.net/bugs/2119479 These binary firmware changes are required to fix the following issues (provided by vendor): Release Note: - Fix "PCIE AER: RxErr" issue - Fix "probe request Supported Rates Listed twice" issue - with driver patch: https://patchwork.kernel.org/project/linux-wireless/patch/[email protected]/ - Send Beacon frame (with MBSS IE) to driver directly for mac80211. - with driver patch: https://patchwork.kernel.org/project/linux-wireless/patch/[email protected]/ [Impact] Addresses lack of some WiFi and Bluetooth functionality on mt7925 device and undefined behavior / unreliability when connecting to some APs. Specifically, this update changes how the beacon frame with MBSS IE is delivered to the driver, in conjunction with this kernel change: https://patchwork.kernel.org/project/linux- wireless/patch/[email protected]/ [Fix] Apply the following vendor-proposed patches from upstream: https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/commit/mediatek/mt7925?id=2ccae12c4f73bf130143ab7cc9c8546d25faac47 https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/commit/mediatek/mt7925?id=ebf45cd0f8d0e98d08e7ecfc10342735425677b1 [Test Case] Verify that Wifi and BT connections can still be established with the updated blobs, and verify that MBSS functionality works as expected [Where problems could occur] Without these patches, affected wireless adapters connecting to 6GHz APs that broadcast MBSSID have undefined behavior. In various tests, it was observed that there were frequent disconnections in cases where the host was closer in proximity to the AP, but that there were instances where a connection could be maintained if they were farther away. If this firmware is used without https://patchwork.kernel.org/project/linux- wireless/patch/[email protected]/ being present in the running kernel, the firmware patch can cause some such devices to be unable to detect their APs regardless of distance. This could be perceived as a regression for users who don't observe this issue (which would be resolved once they update their kernel to include the related driver patch, which I will SRU into noble-generic and derivatives). Given that the best case behavior for impacted devices without these patches is undefined behavior at best, I believe they are necessary/appropriate to SRU. [Other Info] This update originates from a support request by Nvidia PRs into Ubuntu's linux-firmware: Questing: https://kernel.ubuntu.com/forgejo/kernel/linux-firmware/pulls/196 Plucky: https://kernel.ubuntu.com/forgejo/kernel/linux-firmware/pulls/197 Noble: https://kernel.ubuntu.com/forgejo/kernel/linux-firmware/pulls/198 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2119479/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
