Bug#1118199: firmware-mediatek: mt7921e stops working with latest version (20250917-1)

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From	Mourad De Clerck <bugs-debian@aquazul.com>
Newsgroups	linux.debian.bugs.dist, linux.debian.kernel
Subject	Bug#1118199: firmware-mediatek: mt7921e stops working with latest version (20250917-1)
Date	Thu, 16 Oct 2025 18:20:02 +0200
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Package: firmware-mediatek
Version: 20250917-1
Severity: normal

Hi,

My wireless driver mt7921e stops working with the latest version of the
firmware-mediatek package. Downgrading to 20250808-1 makes it work again.

I see these errors in the kernel log:
Oct 16 12:19:16 belle kernel: mt7921e 0000:01:00.0: enabling device (0000 -> 0002)
Oct 16 12:19:16 belle kernel: mt7921e 0000:01:00.0: ASIC revision: 79220010
Oct 16 12:19:17 belle kernel: mt7921e 0000:01:00.0: HW/SW Version: 0x8a108a10, Build Time: 20250903123148a
Oct 16 12:19:17 belle kernel: mt7921e 0000:01:00.0: WM Firmware Version: ____000000, Build Time: 20250903123243
Oct 16 12:19:20 belle kernel: mt7921e 0000:01:00.0: Message 0004005c (seq 12) timeout
Oct 16 12:19:20 belle kernel: mt7921e 0000:01:00.0: HW/SW Version: 0x8a108a10, Build Time: 20250903123148a
Oct 16 12:19:20 belle kernel: mt7921e 0000:01:00.0: WM Firmware Version: ____000000, Build Time: 20250903123243
Oct 16 12:19:24 belle kernel: mt7921e 0000:01:00.0: Message 0004005c (seq 10) timeout
Oct 16 12:19:24 belle kernel: mt7921e 0000:01:00.0: HW/SW Version: 0x8a108a10, Build Time: 20250903123148a
Oct 16 12:19:24 belle kernel: mt7921e 0000:01:00.0: WM Firmware Version: ____000000, Build Time: 20250903123243

Thank you,

-- Mourad DC


-- System Information:
Debian Release: forky/sid
  APT prefers unstable
  APT policy: (500, 'unstable'), (1, 'experimental')
Architecture: amd64 (x86_64)
Foreign Architectures: i386

Kernel: Linux 6.16.12+deb14-amd64 (SMP w/4 CPU threads; PREEMPT)
Kernel taint flags: TAINT_OOT_MODULE, TAINT_UNSIGNED_MODULE
Locale: LANG=en_GB.UTF-8, LC_CTYPE=en_GB.UTF-8 (charmap=UTF-8), LANGUAGE not set
Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)

firmware-mediatek depends on no packages.

firmware-mediatek recommends no packages.

Versions of packages firmware-mediatek suggests:
pn  initramfs-tools  <none>

-- no debconf information

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Thread

Bug#1118199: firmware-mediatek: mt7921e stops working with latest version (20250917-1) Mourad De Clerck <bugs-debian@aquazul.com> - 2025-10-16 18:20 +0200
  Bug#1118199: firmware-mediatek: mt7921e stops working with latest version (20250917-1) pablo joubert <me@ouahpiti.info> - 2025-10-23 14:40 +0200
  Bug#1118199: marked as done (firmware-mediatek: mt7921e stops  working with latest version (20250917-1)) "Debian Bug Tracking System" <owner@bugs.debian.org> - 2025-11-03 00:30 +0100

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