Bug 101171

Summary: hci0: BCM: Read verbose config info failed (-16)
Product: Drivers Reporter: Chris Murphy (bugzilla)
Component: BluetoothAssignee: linux-bluetooth (linux-bluetooth)
Status: NEW ---    
Severity: normal CC: kernel-bugs
Priority: P1    
Hardware: All   
OS: Linux   
See Also: https://bugzilla.gnome.org/show_bug.cgi?id=751863
Kernel Version: 4.2.0-0.rc1.git0.1.fc23.x86_64 Subsystem:
Regression: Yes Bisected commit-id:
Attachments: dmesg
lspci -vvnn

Description Chris Murphy 2015-07-08 02:53:37 UTC 
Created attachment 182111 [details]
dmesg

Failure to initialize Bluetooth. This is a regression, not sure yet the last kernel it did work.

[root@f22m chris]# hciconfig hci0 up
Can't init device hci0: Device or resource busy (16)

[root@f22m chris]# hciconfig -a
hci0:	Type: BR/EDR  Bus: USB
	BD Address: 00:00:00:00:00:00  ACL MTU: 0:0  SCO MTU: 0:0
	DOWN 
	RX bytes:12 acl:0 sco:0 events:2 errors:0
	TX bytes:6 acl:0 sco:0 commands:2 errors:0
	Features: 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00
	Packet type: DM1 DH1 HV1 
	Link policy: 
	Link mode: SLAVE ACCEPT
Comment 1 Chris Murphy 2015-07-08 02:54:19 UTC 
Created attachment 182121 [details]
lspci -vvnn
Comment 2 Chris Murphy 2015-07-08 17:45:09 UTC 
Neither of these make a difference.

One time
# echo 'options b43 btcoex=0' >> /etc/modprobe.d/options

Every boot
# rmmod b43
# modprobe b43 btcoex=0