From: markus.suvanto@gmail.com
To: linux-kernel@vger.kernel.org
Subject: Linux 7.1-rc3 regression (Bluetooth)
Date: Mon, 11 May 2026 08:17:08 +0300 [thread overview]
Message-ID: <f652d5d9841a9b7c100dd19ee97c86099f580724.camel@gmail.com> (raw)
Hello
I upgrade 7.1-rc2 to 7.1-rc3. After that bluetooth didn't start
hci0: Failed to send wmt func ctrl (-22)
My fix was to revert commit 634a4408c0615c523cf7531790f4f14a422b9206
-Markus Suvanto
commit 994246ea1eed9029d648b28a9828359f5046173e (HEAD -> master)
Author: Markus Suvanto <markus.suvanto@movesole.com>
Date: Mon May 11 07:29:47 2026 +0300
Revert "Bluetooth: btmtk: validate WMT event SKB length before struct access"
This reverts commit 634a4408c0615c523cf7531790f4f14a422b9206.
commit 5d6919055dec134de3c40167a490f33c74c12581 (tag: v7.1-rc3, origin/master, origin/HEAD)
Author: Linus Torvalds <torvalds@linux-foundation.org>
Date: Sun May 10 14:08:09 2026 -0700
Linux 7.1-rc3
Lenovo ThinkPad T14s Gen 1 (20UJ) AMD Ryzen 5 PRO 4650U
Not working dmesg:
masu@t470 ~ % grep Bluetoot dmesg_7.1.0-rc3
[ 4.229749] Bluetooth: Core ver 2.22
[ 4.232923] Bluetooth: HCI device and connection manager initialized
[ 4.233081] Bluetooth: HCI socket layer initialized
[ 4.233227] Bluetooth: L2CAP socket layer initialized
[ 4.233236] Bluetooth: SCO socket layer initialized
[ 4.413060] Bluetooth: hci0: HW/SW Version: 0x008a008a, Build Time: 20251223091725
[ 6.142372] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[ 6.142384] Bluetooth: BNEP filters: protocol multicast
[ 6.142393] Bluetooth: BNEP socket layer initialized
[ 7.727087] Bluetooth: hci0: Failed to send wmt func ctrl (-22)
[ 7.727140] Bluetooth: hci0: HCI Enhanced Setup Synchronous Connection command is advertised, but not supported.
Working dmesg:
masu@t470 ~ % grep Bluetoot dmesg_7.1.0-rc3-00001-g994246ea1eed
[ 4.296358] Bluetooth: Core ver 2.22
[ 4.296385] Bluetooth: HCI device and connection manager initialized
[ 4.296393] Bluetooth: HCI socket layer initialized
[ 4.296399] Bluetooth: L2CAP socket layer initialized
[ 4.296404] Bluetooth: SCO socket layer initialized
[ 4.391514] Bluetooth: hci0: HW/SW Version: 0x008a008a, Build Time: 20251223091725
[ 6.087152] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[ 6.087165] Bluetooth: BNEP filters: protocol multicast
[ 6.087172] Bluetooth: BNEP socket layer initialized
[ 7.591891] Bluetooth: hci0: Device setup in 3127955 usecs
[ 7.591922] Bluetooth: hci0: HCI Enhanced Setup Synchronous Connection command is advertised, but not supported.
[ 7.657339] Bluetooth: MGMT ver 1.23
[ 25.883135] Bluetooth: RFCOMM TTY layer initialized
[ 25.883150] Bluetooth: RFCOMM socket layer initialized
[ 25.883154] Bluetooth: RFCOMM ver 1.11
next reply other threads:[~2026-05-11 5:17 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-05-11 5:17 markus.suvanto [this message]
2026-05-11 6:30 ` Linux 7.1-rc3 regression (Bluetooth) Thorsten Leemhuis
2026-05-15 2:26 ` August Wikerfors
2026-05-15 5:37 ` Greg KH
2026-05-15 7:43 ` johannes.goede
2026-05-15 8:56 ` Thorsten Leemhuis
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