From: bugzilla-daemon@bugzilla.kernel.org
To: linux-bluetooth@vger.kernel.org
Subject: [Bug 211121] New: Bluetooth not working after suspend
Date: Sun, 10 Jan 2021 17:15:37 +0000 [thread overview]
Message-ID: <bug-211121-62941@https.bugzilla.kernel.org/> (raw)
https://bugzilla.kernel.org/show_bug.cgi?id=211121
Bug ID: 211121
Summary: Bluetooth not working after suspend
Product: Drivers
Version: 2.5
Kernel Version: 5.11.0-051100rc2-generic
Hardware: All
OS: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: Bluetooth
Assignee: linux-bluetooth@vger.kernel.org
Reporter: aymang.abdallah@gmail.com
Regression: No
Hi,
The bluetooth with device RLT8821CE stops working after resume from suspend (S3
cycle). It requires restarting the laptop to work again. I noticed that lsusb
and rfkill list shows hci0 device after booting, but when waking up from
suspend, hci0 no longer shows in rfkill, and is not listed in lsusb.
rfkill list
1: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
dmesg | grep -i bluetooth
[ 1.456943] usb 1-10: Product: Bluetooth Radio
[ 1.608363] Bluetooth: Core ver 2.22
[ 1.608400] Bluetooth: HCI device and connection manager initialized
[ 1.608404] Bluetooth: HCI socket layer initialized
[ 1.608408] Bluetooth: L2CAP socket layer initialized
[ 1.608412] Bluetooth: SCO socket layer initialized
[ 1.622244] Bluetooth: hci0: RTL: examining hci_ver=0a hci_rev=000c
lmp_ver=0a lmp_subver=8822
[ 1.623042] Bluetooth: hci0: RTL: rom_version status=0 version=3
[ 1.623045] Bluetooth: hci0: RTL: loading rtl_bt/rtl8822cu_fw.bin
[ 1.625528] Bluetooth: hci0: RTL: loading rtl_bt/rtl8822cu_config.bin
[ 1.625643] Bluetooth: hci0: RTL: cfg_sz 6, total sz 31422
[ 1.779046] Bluetooth: hci0: RTL: fw version 0x09993aa1
[ 2.457853] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[ 2.457860] Bluetooth: BNEP filters: protocol multicast
[ 2.457867] Bluetooth: BNEP socket layer initialized
[ 10.739657] Bluetooth: RFCOMM TTY layer initialized
[ 10.739667] Bluetooth: RFCOMM socket layer initialized
[ 10.739673] Bluetooth: RFCOMM ver 1.11
lsusb
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 004: ID 0408:5365 Quanta Computer, Inc. HP TrueVision HD Camera
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Laptop is HP 14-dq1059wm running Ubuntu 20.04
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