My new Ubuntu 18.04 system also having this issue. I am using Wireless
Dual-Band Bluetooth(Intel 8260) PCI-E card from Asus(PCE-AC55BT). No
issues with the wifi, but the bluetooth conrol tools fail to discover
devices:
$ cat /proc/cpuinfo | grep -m1 'model name'
model name : AMD Ryzen 7 1700 Eight-Core Processor
$ lsb_release -rc
Release: 18.04
Codename: bionic
$ uname -a
Linux soli 4.15.0-10-generic #11-Ubuntu SMP Tue Feb 13 18:23:35 UTC 2018 x86_64
x86_64 x86_64 GNU/Linux
$ lspci -nnk|grep -i wire
17:00.0 Network controller [0280]: Intel Corporation Wireless 8260 [8086:24f3]
(rev 3a)
Subsystem: Intel Corporation Dual Band Wireless-AC 8260 [8086:0010]
$ lsusb
Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 003: ID 8087:0a2b Intel Corp.
Bus 001 Device 002: ID 046d:c52b Logitech, Inc. Unifying Receiver
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
$ hciconfig -a
hci0: Type: Primary Bus: USB
BD Address: AC:ED:5C:AE:F0:96 ACL MTU: 1021:4 SCO MTU: 96:6
DOWN
RX bytes:1544 acl:0 sco:0 events:118 errors:0
TX bytes:6184 acl:0 sco:0 commands:117 errors:0
Features: 0xbf 0xfe 0x0f 0xfe 0xdb 0xff 0x7b 0x87
Packet type: DM1 DM3 DM5 DH1 DH3 DH5 HV1 HV2 HV3
Link policy: RSWITCH SNIFF
Link mode: SLAVE ACCEPT
$ dmesg | egrep 'Blue|Core'
[ 0.000000] ACPI: Core revision 20170831
[ 0.039987] CPU: Processor Core ID: 0
[ 0.044000] smpboot: CPU0: AMD Ryzen 7 1700 Eight-Core Processor (family:
0x17, model: 0x1, stepping: 0x1)
[ 3.760967] ip_tables: (C) 2000-2006 Netfilter Core Team
[ 4.017034] Bluetooth: Core ver 2.22
[ 4.017050] Bluetooth: HCI device and connection manager initialized
[ 4.017053] Bluetooth: HCI socket layer initialized
[ 4.017054] Bluetooth: L2CAP socket layer initialized
[ 4.017058] Bluetooth: SCO socket layer initialized
[ 4.067680] Bluetooth: hci0: Firmware revision 0.0 build 176 week 45 2017
[ 4.563200] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[ 4.563201] Bluetooth: BNEP filters: protocol multicast
[ 4.563204] Bluetooth: BNEP socket layer initialized
[ 6.249296] Bluetooth: RFCOMM TTY layer initialized
[ 6.249299] Bluetooth: RFCOMM socket layer initialized
[ 6.249302] Bluetooth: RFCOMM ver 1.11
[ 25.321876] Bluetooth: hci0: last event is not cmd complete (0x0f)
[ 1716.408150] Bluetooth: hci0: last event is not cmd complete (0x0f
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https://bugs.launchpad.net/bugs/1748565
Title:
[Intel 6235] Bluetooth: hci0: last event is not cmd complete (0x0f)
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