Your message dated Sun, 24 May 2026 08:32:06 +0000
with message-id <[email protected]>
and subject line Bug#1136790: fixed in linux 6.12.90-1
has caused the Debian Bug report #1136790,
regarding Regression: MediaTek MT7925 Bluetooth fails to initialize on 7.0.7,
works on 7.0.4
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.
(NB: If you are a system administrator and have no idea what this
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misconfiguration somewhere. Please contact [email protected]
immediately.)
--
1136790: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1136790
Debian Bug Tracking System
Contact [email protected] with problems
--- Begin Message ---
Package: src:linux
Version: 7.0.7-1~bpo13+1
Severity: important
# Bug report draft: MT7925 Bluetooth regression on linux-image-7.0.7+deb13-amd64
Package: linux-image-7.0.7+deb13-amd64
Severity: important
Summary:
MediaTek MT7925 / RZ717 Bluetooth fails to initialize on Debian backports kernel
7.0.7+deb13-amd64, while the same hardware and firmware works on
7.0.4+deb13-amd64.
System:
- Debian Trixie with trixie-backports kernel
- Motherboard: ASRock X870E Taichi Lite
- Kernel that fails: 7.0.7+deb13-amd64, package version 7.0.7-1~bpo13+1
- Kernel that works: 7.0.4+deb13-amd64, package version 7.0.4-1~bpo13+1
- bluez: 5.82-1.1
- firmware-mediatek: 20260410-1~bpo13+1
Hardware:
PCI Wi-Fi side:
```
0a:00.0 Network controller [0280]: MEDIATEK Corp. MT7925 (RZ717) Wi-Fi 7 160MHz
[14c3:0717]
Subsystem: MEDIATEK Corp. MT7925 (RZ717) Wi-Fi 7 160MHz [14c3:0717]
Kernel driver in use: mt7925e
Kernel modules: mt7925e
```
USB Bluetooth side:
```
Bus 003 Device 002: ID 0e8d:0717 MediaTek Inc. Wireless_Device
```
Failure on 7.0.7+deb13-amd64:
```
Linux version 7.0.7+deb13-amd64 ... Debian 7.0.7-1~bpo13+1 (2026-05-16)
usb 3-7: New USB device found, idVendor=0e8d, idProduct=0717, bcdDevice= 1.00
Bluetooth: hci0: HW/SW Version: 0x00000000, Build Time: 20260106153314
Bluetooth: hci0: Failed to send wmt func ctrl (-22)
Bluetooth: hci0: HCI Enhanced Setup Synchronous Connection command is
advertised, but not supported.
```
User-visible result:
```
$ bluetoothctl show
No default controller available
$ hciconfig -a hci0
hci0: Type: Primary Bus: USB
BD Address: 00:00:00:00:00:00 ACL MTU: 0:0 SCO MTU: 0:0
DOWN
Features: 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00
```
Working result on 7.0.4+deb13-amd64:
```
Linux version 7.0.4+deb13-amd64 ... Debian 7.0.4-1~bpo13+1 (2026-05-08)
usb 3-7: New USB device found, idVendor=0e8d, idProduct=0717, bcdDevice= 1.00
Bluetooth: hci0: HW/SW Version: 0x00000000, Build Time: 20260106153314
Bluetooth: hci0: Device setup in 1822197 usecs
Bluetooth: hci0: HCI Enhanced Setup Synchronous Connection command is
advertised, but not supported.
```
Working controller state on 7.0.4:
```
Controller 3C:0A:F3:A0:4B:9C (public)
Manufacturer: 0x0046 (70)
Version: 0x0d (13)
Powered: yes
Roles: central
Roles: peripheral
```
Additional notes:
- Updating firmware-mediatek from stable 20250410-2 to backports
20260410-1~bpo13+1
changed the firmware build time from 202503... to 202601..., but did not fix
the failure on kernel 7.0.7.
- USB unbind/bind, btusb/btmtk module reload, bluetooth.service restart, and
`usbreset 0e8d:0717` did not recover the device on 7.0.7.
- Booting the same system to 7.0.4 makes Bluetooth work immediately.
Regression range:
- Works: 7.0.4-1~bpo13+1
- Fails: 7.0.7-1~bpo13+1
-- System Information:
Debian Release: 13.5
APT prefers stable-updates
APT policy: (500, 'stable-updates'), (500, 'stable-security'), (500, 'stable')
Architecture: amd64 (x86_64)
Foreign Architectures: i386
Kernel: Linux 7.0.4+deb13-amd64 (SMP w/32 CPU threads; PREEMPT)
Kernel taint flags: TAINT_PROPRIETARY_MODULE, TAINT_OOT_MODULE,
TAINT_UNSIGNED_MODULE
Locale: LANG=en_US.UTF-8, LC_CTYPE=C.UTF-8 (charmap=UTF-8) (ignored: LC_ALL set
to C.UTF-8), LANGUAGE=en_US:en
Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled
Versions of packages linux-image-7.0.7+deb13-amd64 depends on:
ii initramfs-tools [linux-initramfs-tool] 0.148.4
ii linux-base 4.12.1
ii linux-base-7.0.7+deb13-amd64 7.0.7-1~bpo13+1
ii linux-binary-7.0.7+deb13-amd64 7.0.7-1~bpo13+1
ii linux-modules-7.0.7+deb13-amd64 7.0.7-1~bpo13+1
Versions of packages linux-image-7.0.7+deb13-amd64 recommends:
ii apparmor 4.1.0-1
Versions of packages linux-image-7.0.7+deb13-amd64 suggests:
pn debian-kernel-handbook <none>
pn firmware-linux-free <none>
ii grub-efi-amd64 2.12-9+deb13u2
pn linux-doc-7.0 <none>
Versions of packages linux-image-7.0.7+deb13-amd64 is related to:
ii firmware-amd-graphics 20260410-1~bpo13+1
pn firmware-atheros <none>
pn firmware-bnx2 <none>
pn firmware-bnx2x <none>
pn firmware-brcm80211 <none>
pn firmware-cavium <none>
pn firmware-cirrus <none>
pn firmware-intel-graphics <none>
pn firmware-intel-misc <none>
pn firmware-intel-sound <none>
pn firmware-ipw2x00 <none>
pn firmware-ivtv <none>
pn firmware-iwlwifi <none>
pn firmware-libertas <none>
pn firmware-marvell-prestera <none>
ii firmware-mediatek 20260410-1~bpo13+1
pn firmware-misc-nonfree <none>
pn firmware-myricom <none>
pn firmware-netronome <none>
pn firmware-netxen <none>
ii firmware-nvidia-graphics 20260410-1~bpo13+1
pn firmware-qcom-soc <none>
pn firmware-qlogic <none>
ii firmware-realtek 20260410-1~bpo13+1
pn firmware-samsung <none>
pn firmware-siano <none>
pn firmware-ti-connectivity <none>
pn xen-hypervisor <none>
-- no debconf information
--- End Message ---
--- Begin Message ---
Source: linux
Source-Version: 6.12.90-1
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 21:01:16 +0200
Source: linux
Architecture: source
Version: 6.12.90-1
Distribution: trixie-security
Urgency: high
Maintainer: Debian Kernel Team <[email protected]>
Changed-By: Salvatore Bonaccorso <[email protected]>
Closes: 1136790
Changes:
linux (6.12.90-1) trixie-security; urgency=high
.
* New upstream stable update:
https://www.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12.89
https://www.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12.90
- HID: playstation: Clamp num_touch_reports
- media: uvcvideo: Enable VB2_DMABUF for metadata stream
- [arm64] dts: lx2160a-cex7/lx2162a-sr-som: fix usd-cd & gpio pinmux
- [arm64] regulator: mt6357: fix OF node reference imbalance
- [arm64,armhf] regulator: rk808: fix OF node reference imbalance
- media: videobuf2: Set vma_flags in vb2_dma_sg_mmap
- [amd64] media: intel/ipu6: fix error pointer dereference
- media: saa7164: add ioremap return checks and cleanups
- spi: aspeed-smc: fix controller deregistration
- [amd64] platform/x86: hp-wmi: Ignore backlight and FnLock events
- vsock/virtio: fix MSG_PEEK ignoring skb offset when calculating bytes to
copy
- [arm64] drm/msm/gem: fix error handling in
msm_ioctl_gem_info_get_metadata()
- [amd64] drm/i915/psr: Init variable to avoid early exit from et alignment
loop
- drm/amdkfd: Clear VRAM on allocation to prevent stale data exposure
- drm/amdgpu: Use SMUIO 15.0.0 offsets for TSC upper and lower count.
- drm/amdgpu: gate VM CPU HDP flush on reset lock
- drm/amd/pm: fix incorrect FeatureCtrlMask setting on smu v14.0.x
- drm/amdkfd: Add upper bound check for num_of_nodes
- drm/amdgpu: Add bounds checking to ib_{get,set}_value
- drm/amdgpu/vcn4: Prevent OOB reads when parsing IB
- drm/amdgpu/vce: Prevent partial address patches
- drm/amdgpu/vcn4: Prevent OOB reads when parsing dec msg
- drm/amdgpu/vcn3: Prevent OOB reads when parsing dec msg
- drm/amd/display: Change dither policy for 10 bpc output back to dithering
- drm/gem: Fix inconsistent plane dimension calculation in
drm_gem_fb_init_with_funcs()
- drm/amdkfd: validate SVM ioctl nattr against buffer size
- drm/xe/bo: Fix bo leak on GGTT flag validation in xe_bo_init_locked()
- drm/xe: Fix dma-buf attachment leak in xe_gem_prime_import()
- drm/xe/bo: Fix bo leak on unaligned size validation in
xe_bo_init_locked()
- drm/radeon: add missing revision check for CI
- drm/amdgpu: zero-initialize GART table on allocation
- drm/panel: himax-hx83102: restore MODE_LPM after sending disable cmds
- drm/amdgpu/gfx9: drop unnecessary 64-bit fence flag check in KIQ
- drm/panel: boe-tv101wum-nl6: restore MODE_LPM after sending disable cmds
- drm/amdkfd: Make all TLB-flushes heavy-weight
- drm/amdgpu/sdma4: replace BUG_ON with WARN_ON in fence emission
- drm/amdgpu/pm: add missing revision check for CI
- drm/amdgpu/pm: align Hawaii mclk workaround with radeon
- [arm64] dts: ti: k3-am62a7-sk: Fix pin name in comment from M19 to N22
- sctp: revalidate list cursor after sctp_sendmsg_to_asoc() in SCTP_SENDALL
- batman-adv: fix integer overflow on buff_pos
- batman-adv: reject new tp_meter sessions during teardown
- batman-adv: stop caching unowned originator pointers in BAT IV
- batman-adv: bla: prevent use-after-free when deleting claims
- batman-adv: bla: only purge non-released claims
- batman-adv: bla: put backbone reference on failed claim hash insert
- usb: typec: tcpm: reset internal port states on soft reset AMS
- usb: dwc3: Move GUID programming after PHY initialization
- ALSA: hda: cs35l56: Propagate ASP TX source control errors
- ALSA: misc: Use guard() for spin locks
- ALSA: core: Serialize deferred fasync state checks
- ALSA: seq: Notify client and port info changes
- ALSA: seq: Fix UMP group 16 filtering
- Bluetooth: hci_conn: fix potential UAF in create_big_sync
- [arm64,armhf] spi: tegra20-sflash: fix controller deregistration
- [arm64,armhf] spi: tegra114: fix controller deregistration
- mm/hugetlb_cma: round up per_node before logging it
- block: cleanup blkdev_report_zones()
- block: reorganize struct blk_zone_wplug
- block: fix zone write plug removal
- tracefs: Fix default permissions not being applied on initial mount
- fbcon: Avoid OOB font access if console rotation fails
- mm/damon/core: disallow time-quota setting zero esz
- mm/damon/core: implement damon_kdamond_pid()
- mm/damon/lru_sort: detect and use fresh enabled and kdamond_pid values
- mm/damon/reclaim: detect and use fresh enabled and kdamond_pid values
- bonding: fix use-after-free due to enslave fail after slave array update
(CVE-2026-23171)
- io_uring/kbuf: support min length left for incremental buffers
- Bluetooth: L2CAP: Fix null-ptr-deref in l2cap_sock_get_sndtimeo_cb()
- btrfs: remove fs_info argument from btrfs_sysfs_add_space_info_type()
- btrfs: fix double free in create_space_info_sub_group() error path
- btrfs: fix btrfs_ioctl_space_info() slot_count TOCTOU which can lead to
info-leak
- tracing/probes: Limit size of event probe to 3K
- batman-adv: stop tp_meter sessions during mesh teardown
- batman-adv: tp_meter: fix tp_num leak on kmalloc failure
- vsock: fix buffer size clamping order
- vsock/virtio: fix length and offset in tap skb for split packets
- vsock/virtio: fix empty payload in tap skb for non-linear buffers
- vsock/virtio: fix accept queue count leak on transport mismatch
- drm/amdgpu/vcn3: Avoid overflow on msg bound check
- drm/amdgpu/vcn4: Avoid overflow on msg bound check
.
[ 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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