Bug#1136910: firmware-mediatek: Additional information

From	Benoit BERTRAND <uses.flocks62@icloud.com>
Newsgroups	linux.debian.bugs.dist, linux.debian.kernel
Subject	Bug#1136910: firmware-mediatek: Additional information
Date	2026-05-17 13:00 +0200
Message-ID	<MVHnX-5NxA-3@gated-at.bofh.it> (permalink)
References	<MVH4B-5Noi-1@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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Package: firmware-mediatek
Version: 20250410-2
Followup-For: Bug #1136910
X-Debbugs-Cc: uses.flocks62@icloud.com

Dear Maintainer,

I'd like to some additional information regarding the message displayed during the boot sequence (kernel 6.12.86-amd64):
"mt7615e 0000:02:00.0: Failed to get patch semaphore
mt7615e 0000:02:00.0: Failed to get patch semaphore
mt7615e 0000:02:00.0: failed to load mediatek/mt7663pr2h_rebb.bin
Bluetooth: hci0; HCI Enhanced Setup Synchronous Connection command is advertised, but not supported."

The first 3 messages appears all the time when using debian 13 (since 13.0).
But the difference is WiFi and Bluetooth works on kernel 6.12.86 - while getting these messages.
On kernel 6.12.88, both WiFi and Bluetooth doesn't work, and these messages are displayed.

The only fix I've found is to revert to kernel 6.12.86.

Thanks for your help.

-- System Information:
Debian Release: 13.4
  APT prefers stable-updates
  APT policy: (500, 'stable-updates'), (500, 'stable-security'), (500, 'stable')
Architecture: amd64 (x86_64)
Foreign Architectures: i386

Kernel: Linux 6.12.86+deb13-amd64 (SMP w/8 CPU threads; PREEMPT)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8), LANGUAGE=en_US:en
Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled

firmware-mediatek depends on no packages.

firmware-mediatek recommends no packages.

Versions of packages firmware-mediatek suggests:
ii  initramfs-tools  0.148.3

-- no debconf information

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Bug#1136910: firmware-mediatek: mt7615e (mt7663 binary wifi and bluetooth) not working with kernel 6.12.88 amd64 Benoit BERTRAND <uses.flocks62@icloud.com> - 2026-05-17 12:40 +0200
  Bug#1136910: firmware-mediatek: Additional information Benoit BERTRAND <uses.flocks62@icloud.com> - 2026-05-17 13:00 +0200

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