From: bugzilla-daemon@kernel.org
To: linux-bluetooth@vger.kernel.org
Subject: [Bug 221547] New: MT7902 Bluetooth: Failed to send wmt func ctrl (-22) regression in 6.18.31 and 6.12.32
Date: Tue, 19 May 2026 08:24:32 +0000 [thread overview]
Message-ID: <bug-221547-62941@https.bugzilla.kernel.org/> (raw)
https://bugzilla.kernel.org/show_bug.cgi?id=221547
Bug ID: 221547
Summary: MT7902 Bluetooth: Failed to send wmt func ctrl (-22)
regression in 6.18.31 and 6.12.32
Product: Drivers
Version: 2.5
Hardware: AMD
OS: Linux
Status: NEW
Severity: normal
Priority: P3
Component: Bluetooth
Assignee: linux-bluetooth@vger.kernel.org
Reporter: olle@vixit.nu
Regression: No
Adapter: Foxconn/Hon Hai 0489:e0f5 (MediaTek MT7902)
Machine: ASUS laptop (asus_wmi)
Works: linux-lts 6.18.26-2
Fails: linux-lts 6.18.31-1, 6.18.32-1
Works: linux 7.0.9-arch1-1
Kernel error:
[8.509092] Bluetooth: hci0: Failed to send wmt func ctrl (-22)
[8.509685] Bluetooth: hci0: HCI Enhanced Setup Synchronous Connection command
is advertised, but not supported.
bluetoothctl shows "No default controller available" and power on fails.
rfkill unblock bluetooth required after each boot when using working kernel.
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next reply other threads:[~2026-05-19 8:24 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-05-19 8:24 bugzilla-daemon [this message]
2026-05-19 12:55 ` [Bug 221547] MT7902 Bluetooth: Failed to send wmt func ctrl (-22) regression in 6.18.31 and 6.12.32 bugzilla-daemon
2026-05-19 17:39 ` bugzilla-daemon
2026-05-20 7:52 ` bugzilla-daemon
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