[Bug 211969] New: AX200 Bluetooth audio devices disconnect after random intervals

[Bug 211969] New: AX200 Bluetooth audio devices disconnect after random intervals

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=211969

            Bug ID: 211969
           Summary: AX200 Bluetooth audio devices disconnect after random
                    intervals
           Product: Drivers
           Version: 2.5
    Kernel Version: 5.11.1
          Hardware: Intel
                OS: Linux
              Tree: Mainline
            Status: NEW
          Severity: high
          Priority: P1
         Component: Bluetooth
          Assignee: linux-bluetooth@vger.kernel.org
          Reporter: ddimaggio324@gmail.com
        Regression: No

I've personally observed this issue on kernels 5.10 and 5.11.
Connecting my headphones with both PulseAudio and PipeWire causes disconnects
since a linux-firmware package upgrade (20210208.b79d239-1, Arch Linux).
Downgrading the package to 20201218.646f159-1 solves my problem.
The bug causes my headphones to disconnect after anywhere from 5 minutes to 3
hours, though I found PipeWire causes the disconnect to happen closer to the 30
minute range.


There are a few user accounts posting about their experiences with this in the
following links:


https://bbs.archlinux.org/viewtopic.php?pid=1957011#p1957011
https://gitlab.freedesktop.org/pipewire/pipewire/-/issues/732

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[Bug 211969] AX200 Bluetooth audio devices disconnect after random intervals

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=211969

Jackson McClintock (jacksondm33@gmail.com) changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |jacksondm33@gmail.com

--- Comment #1 from Jackson McClintock (jacksondm33@gmail.com) ---
I looked at the commits from version 20201218 to 20210208 of linux-firmware and
found 3 commits which updated the firmware for Intel Bluetooth AX200, AX201,
and AX210, which are the cards others and I seem to be having issues with. I'm
pretty sure this firmware is proprietary, so I don't know the best way to try
to get a fix for this bug, since kernel developers don't have access to the
source code. I did notice that that these were updated again, though, but the
bug stills exists as of linux-firmware version 20210315.

These are the links to the original commits that probably created this bug:
https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/commit/?id=3027ae40cf3e43725c45e53085b5e0484f09ea71
https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/commit/?id=13979c3a51d068fc1b66df1065d9479bddcb418f
https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/commit/?id=d33d2d86ce3ad2ed1a4e196840fdd3a814d34433

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