From: bugzilla-daemon@kernel.org
To: linux-bluetooth@vger.kernel.org
Subject: [Bug 221576] New: btmtk: MT7925 USB Bluetooth fails with "Failed to send wmt func ctrl (-22)" since kernel 7.0.7
Date: Mon, 25 May 2026 16:52:13 +0000 [thread overview]
Message-ID: <bug-221576-62941@https.bugzilla.kernel.org/> (raw)
https://bugzilla.kernel.org/show_bug.cgi?id=221576
Bug ID: 221576
Summary: btmtk: MT7925 USB Bluetooth fails with "Failed to send
wmt func ctrl (-22)" since kernel 7.0.7
Product: Drivers
Version: 2.5
Hardware: All
OS: Linux
Status: NEW
Severity: normal
Priority: P3
Component: Bluetooth
Assignee: linux-bluetooth@vger.kernel.org
Reporter: sergey@batalov.email
Regression: No
Regression between kernel 7.0.2 (working) and 7.0.7 (broken) and 7.0.9
(broken).
Hardware: ThinkPad, MediaTek MT7925 USB Bluetooth
USB ID: 0e8d:e025 (MediaTek Inc. Wireless_Device)
Kernel 7.0.2: Bluetooth initializes successfully
"Bluetooth: hci0: Device setup in 1774290 usecs"
Kernel 7.0.7 and 7.0.9: Initialization fails
"Bluetooth: hci0: HW/SW Version: 0x00000000, Build Time: 20260414153243"
"Bluetooth: hci0: Failed to send wmt func ctrl (-22)"
"Bluetooth: hci0: HCI Enhanced Setup Synchronous Connection command is
advertised, but not supported."
Firmware: mediatek/mt7925/BT_RAM_CODE_MT7925_1_1_hdr.bin (present, correct md5)
Distribution: openSUSE Tumbleweed
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next reply other threads:[~2026-05-25 16:52 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-05-25 16:52 bugzilla-daemon [this message]
2026-05-26 7:53 ` [Bug 221576] btmtk: MT7925 USB Bluetooth fails with "Failed to send wmt func ctrl (-22)" since kernel 7.0.7 bugzilla-daemon
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