Public bug reported:
[Impact]-:
This issue is reported by brand store customer Dcrypt. They reported that on
their Elkhart Lake based X86_64 board running Ubuntu 22.04 bluetooth stopped
working once they upgraded linux-firmware package from
20220329.git681281e4-0ubuntu3.26 to higher versions(currently
20220329.git681281e4-0ubuntu3.36). Please note that wifi works.
Details about their testing platform-:
Board hardware-:
Arch-:X86_64
CPU -: Intel Atom(R) x6413E Processor
Wifi/BT module-: MediaTek MT7921AU ; Module is connected over USB interface.
OS-: ubuntu 22.04.5 with 6.8.0-52-generic kernel
current linux firmware version 20220329.git681281e4-0ubuntu3.36
[Fix]-:
Both wifi and Bluetooth both work well with 20220329.git681281e4-0ubuntu3.26.
Customer also reported that latest firmware upgrade from Mediatek in the
upstream linux-firmware repository fixes the issue.
Please note that customer has not provided any details about the specific tag
which they tested from the upstream repo.
Additional Information-:
Customer has provided kernel logs and output of few commands like lsmod,
ip, hciconfig and so on. Please find the attached logs for both working
and nonworking case.
** Affects: linux-firmware (Ubuntu)
Importance: Undecided
Status: New
** Attachment added: "logs_for_BT_non_working.txt"
https://bugs.launchpad.net/bugs/2098088/+attachment/5856755/+files/logs_for_BT_non_working.txt
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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/2098088
Title:
bluetooth functionality for mediatek wifi/BT module MT7921AU does not
work with latest firmware package on x86_64 platform
Status in linux-firmware package in Ubuntu:
New
Bug description:
[Impact]-:
This issue is reported by brand store customer Dcrypt. They reported that on
their Elkhart Lake based X86_64 board running Ubuntu 22.04 bluetooth stopped
working once they upgraded linux-firmware package from
20220329.git681281e4-0ubuntu3.26 to higher versions(currently
20220329.git681281e4-0ubuntu3.36). Please note that wifi works.
Details about their testing platform-:
Board hardware-:
Arch-:X86_64
CPU -: Intel Atom(R) x6413E Processor
Wifi/BT module-: MediaTek MT7921AU ; Module is connected over USB interface.
OS-: ubuntu 22.04.5 with 6.8.0-52-generic kernel
current linux firmware version 20220329.git681281e4-0ubuntu3.36
[Fix]-:
Both wifi and Bluetooth both work well with 20220329.git681281e4-0ubuntu3.26.
Customer also reported that latest firmware upgrade from Mediatek in the
upstream linux-firmware repository fixes the issue.
Please note that customer has not provided any details about the specific tag
which they tested from the upstream repo.
Additional Information-:
Customer has provided kernel logs and output of few commands like
lsmod, ip, hciconfig and so on. Please find the attached logs for both
working and nonworking case.
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux-firmware/+bug/2098088/+subscriptions
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