From: bugzilla-daemon@bugzilla.kernel.org
To: linux-bluetooth@vger.kernel.org
Subject: [Bug 205685] New: Initialization failure for Cambridge Silicon Radio, Ltd Bluetooth Dongle
Date: Wed, 27 Nov 2019 23:25:07 +0000 [thread overview]
Message-ID: <bug-205685-62941@https.bugzilla.kernel.org/> (raw)
https://bugzilla.kernel.org/show_bug.cgi?id=205685
Bug ID: 205685
Summary: Initialization failure for Cambridge Silicon Radio,
Ltd Bluetooth Dongle
Product: Drivers
Version: 2.5
Kernel Version: 4.19.67-2+deb10u2
Hardware: x86-64
OS: Linux
Tree: Mainline
Status: NEW
Severity: low
Priority: P1
Component: Bluetooth
Assignee: linux-bluetooth@vger.kernel.org
Reporter: net@dalmat.net
Regression: No
Created attachment 286091
--> https://bugzilla.kernel.org/attachment.cgi?id=286091&action=edit
btmon trace
Hello,
I own a bluetooth USB adapter that fails to initialize.
The other bugs I saw deal with other device, hence this new one.
$ sudo hciconfig
hci0: Type: Primary Bus: USB
BD Address: 00:1A:7D:DA:XX:XX ACL MTU: 679:9 SCO MTU: 48:16
DOWN
RX bytes:1722 acl:0 sco:0 events:90 errors:0
TX bytes:1104 acl:0 sco:0 commands:90 errors:0
$ sudo hciconfig hci0 up
Can't init device hci0: Operation not supported (95)
The device is the following one (full lsusb output attached as file)
Bus 001 Device 008: ID 0a12:0001 Cambridge Silicon Radio, Ltd Bluetooth Dongle
(HCI mode)
Device Descriptor:
bLength 18
bDescriptorType 1
bcdUSB 1.10
bDeviceClass 224 Wireless
bDeviceSubClass 1 Radio Frequency
bDeviceProtocol 1 Bluetooth
bMaxPacketSize0 64
idVendor 0x0a12 Cambridge Silicon Radio, Ltd
idProduct 0x0001 Bluetooth Dongle (HCI mode)
bcdDevice 88.91
iManufacturer 0
iProduct 2
iSerial 0
I attach a btmon trace that seems to indicate that the "Delete Stored Link Key"
is not supported.
Is there a way to support this device in degraded mode in case the feature is
not supported ?
Cheers
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next reply other threads:[~2019-11-27 23:25 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-11-27 23:25 bugzilla-daemon [this message]
2019-11-27 23:25 ` [Bug 205685] Initialization failure for Cambridge Silicon Radio, Ltd Bluetooth Dongle bugzilla-daemon
2020-10-07 23:32 ` bugzilla-daemon
2020-10-07 23:39 ` bugzilla-daemon
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