From: bugzilla-daemon@kernel.org
To: linux-bluetooth@vger.kernel.org
Subject: [Bug 221754] RTL8852BE Bluetooth (0bda:b853) fails to init: Opcode 0xfcf0 failed: -16, hci0 never registers with mgmt (BD Address 00:00:00:00:00:00)
Date: Fri, 17 Jul 2026 11:07:24 +0000 [thread overview]
Message-ID: <bug-221754-62941-jg60bQUV9e@https.bugzilla.kernel.org/> (raw)
In-Reply-To: <bug-221754-62941@https.bugzilla.kernel.org/>
https://bugzilla.kernel.org/show_bug.cgi?id=221754
Adam (dohojda.adam@gmail.com) changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |dohojda.adam@gmail.com
--- Comment #2 from Adam (dohojda.adam@gmail.com) ---
I have very same problem on Lenovo IdeaPad Slim 5 14AHP11
Disribution & kernel: Ubuntu 26.04 LTS, kernel 7.0.0-27-generic
lsusb: 0bda:b853 Realtek Semiconductor Corp. Bluetooth Radio
My filtered dmseg trace:
```
[ 3.426562] systemd[1]: systemd-hibernate-clear.service - Clear Stale
Hibernate Storage Info skipped, unmet condition check
ConditionPathExists=/sys/firmware/efi/efivars/HibernateLocation-8cf2644b-4b0b-428f-9387-6d876050dc67
[ 4.034621] amdxdna 0000:05:00.1: [drm] Load firmware
amdnpu/1502_00/npu_7.sbin
[ 4.058678] kvm_amd: [Firmware Bug]: Cannot enable x2AVIC, AVIC is
unsupported
[ 4.081452] rtw89_8852be 0000:02:00.0: loaded firmware
rtw89/rtw8852b_fw-1.bin
[ 4.089206] rtw89_8852be 0000:02:00.0: Firmware version 0.29.29.15
(6fb3ec41), cmd version 0, type 5
[ 4.089213] rtw89_8852be 0000:02:00.0: Firmware version 0.29.29.15
(6fb3ec41), cmd version 0, type 3
[ 5.716983] amdgpu 0000:04:00.0: [drm] Loading DMUB firmware via PSP:
version=0x08005700
[ 5.717220] amdgpu 0000:04:00.0: [VCN instance 0] Found VCN firmware Version
ENC: 1.24 DEC: 9 VEP: 0 Revision: 16
[ 5.750181] Bluetooth: hci0: RTL: examining hci_ver=0b hci_rev=000b
lmp_ver=0b lmp_subver=8852
[ 5.753172] Bluetooth: hci0: RTL: rom_version status=0 version=3
[ 5.756172] Bluetooth: hci0: RTL: btrtl_initialize: key id 0
[ 5.756176] Bluetooth: hci0: RTL: loading rtl_bt/rtl8852bu_fw.bin
[ 5.757225] Bluetooth: hci0: RTL: loading rtl_bt/rtl8852bu_config.bin
[ 5.766164] Bluetooth: hci0: AOSP extensions version v0.96
[ 5.766168] Bluetooth: hci0: AOSP quality report is not supported
[ 131.458300] Bluetooth: hci0: RTL: examining hci_ver=0b hci_rev=000b
lmp_ver=0b lmp_subver=8852
[ 131.461055] Bluetooth: hci0: RTL: rom_version status=0 version=3
[ 131.464314] Bluetooth: hci0: RTL: btrtl_initialize: key id 0
[ 131.464331] Bluetooth: hci0: RTL: loading rtl_bt/rtl8852bu_fw.bin
[ 131.465152] Bluetooth: hci0: RTL: loading rtl_bt/rtl8852bu_config.bin
[ 131.470914] Bluetooth: hci0: Opcode 0xfcf0 failed: -16
[ 131.475291] Bluetooth: hci0: AOSP extensions version v0.96
[ 131.475307] Bluetooth: hci0: AOSP quality report is not supported
```
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prev parent reply other threads:[~2026-07-17 11:07 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-07-15 12:10 [Bug 221754] New: RTL8852BE Bluetooth (0bda:b853) fails to init: Opcode 0xfcf0 failed: -16, hci0 never registers with mgmt (BD Address 00:00:00:00:00:00) bugzilla-daemon
2026-07-15 12:12 ` [Bug 221754] " bugzilla-daemon
2026-07-17 11:07 ` bugzilla-daemon [this message]
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