Your message dated Fri, 22 May 2026 06:18:56 +0000
with message-id <[email protected]>
and subject line Bug#1136790: fixed in linux 7.1~rc4-1~exp2
has caused the Debian Bug report #1136790,
regarding linux-image-6.12.88-amd64: MediaTek Bluetooth regression - Failed to
send wmt func ctrl (-22)
to be marked as done.
This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.
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--
1136790: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1136790
Debian Bug Tracking System
Contact [email protected] with problems
--- Begin Message ---
Package: linux-image-6.12.88-amd64
Severity: normal
Subject: linux-image-6.12.88-amd64: MediaTek Bluetooth regression - Failed
to send wmt func ctrl (-22)
After upgrading from kernel 6.12.73 to 6.12.88 on Debian Trixie (testing),
the internal MediaTek Bluetooth adapter completely stopped functioning.
Hardware detected via lsusb:
Bus 001 Device 006: ID 13d3:3585 IMC Networks Wireless_Device (MediaTek
MT7921/MT7922)
Relevant dmesg output on 6.12.88:
[ 54.743379] Bluetooth: hci0: HW/SW Version: 0x008a008a, Build Time:
20241106163512
[ 54.895767] Bluetooth: hci0: Failed to send wmt func ctrl (-22)
[ 54.895787] Bluetooth: hci0: HCI Enhanced Setup Synchronous Connection
command is advertised, but not supported.
A full power-drain/cold boot does not resolve the issue on 6.12.88.
Booting back into the previous 6.12.73 kernel completely resolves the
issue, and Bluetooth functions normally again. This appears to be an
upstream driver/firmware initialization regression introduced in the
latest point release.
-- System Information:
Debian Release: 13 (Trixie)
Kernel Version: Linux 6.12.73+deb13-amd64 (working state) / Failed on
6.12.88
--- End Message ---
--- Begin Message ---
Source: linux
Source-Version: 7.1~rc4-1~exp2
Done: Salvatore Bonaccorso <[email protected]>
We believe that the bug you reported is fixed in the latest version of
linux, which is due to be installed in the Debian FTP archive.
A summary of the changes between this version and the previous one is
attached.
Thank you for reporting the bug, which will now be closed. If you
have further comments please address them to [email protected],
and the maintainer will reopen the bug report if appropriate.
Debian distribution maintenance software
pp.
Salvatore Bonaccorso <[email protected]> (supplier of updated linux package)
(This message was generated automatically at their request; if you
believe that there is a problem with it please contact the archive
administrators by mailing [email protected])
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA512
Format: 1.8
Date: Fri, 22 May 2026 08:02:48 +0200
Source: linux
Architecture: source
Version: 7.1~rc4-1~exp2
Distribution: experimental
Urgency: medium
Maintainer: Debian Kernel Team <[email protected]>
Changed-By: Salvatore Bonaccorso <[email protected]>
Closes: 1136790
Changes:
linux (7.1~rc4-1~exp2) experimental; urgency=medium
.
[ Johannes Schauer Marin Rodrigues ]
* [arm64] enable CONFIG_MEMTEST
.
[ Salvatore Bonaccorso ]
* Bluetooth: btmtk: accept too short WMT FUNC_CTRL events (Closes: #1136790)
* net: skbuff: preserve shared-frag marker during coalescing (CVE-2026-46300)
* net: skbuff: propagate shared-frag marker through frag-transfer helpers
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