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Message #104634
[Bug 1400215] Re: Atheros BT devices(ath3k) fail to work on USB3.0 buses
** Also affects: linux (Ubuntu Trusty)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Utopic)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Vivid)
Importance: High
Assignee: Adam Lee (adam8157)
Status: In Progress
** Changed in: linux (Ubuntu Vivid)
Status: In Progress => Fix Committed
** Changed in: linux (Ubuntu Utopic)
Status: New => Fix Committed
** Changed in: linux (Ubuntu Trusty)
Status: New => Fix Committed
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https://bugs.launchpad.net/bugs/1400215
Title:
Atheros BT devices(ath3k) fail to work on USB3.0 buses
Status in HWE Next Project:
In Progress
Status in linux package in Ubuntu:
Fix Committed
Status in linux source package in Trusty:
Fix Committed
Status in linux source package in Utopic:
Fix Committed
Status in linux source package in Vivid:
Fix Committed
Bug description:
Atheros BT devices(ath3k) fail to work on USB3.0 buses, but work well
on USB 2.0
1. BT devices will disappear from USB3.0 buses.
2. BT devices can be found on USB3.0 buses, but can not be found by hciconfig.
3. There are FW loading error messages in dmesg with USB3.0.
$ dmesg | grep Blu
[ 13.996701] Bluetooth: Core ver 2.19
[ 13.996716] Bluetooth: HCI device and connection manager initialized
[ 13.996722] Bluetooth: HCI socket layer initialized
[ 13.996723] Bluetooth: L2CAP socket layer initialized
[ 13.996729] Bluetooth: SCO socket layer initialized
[ 15.763696] Bluetooth: RFCOMM TTY layer initialized
[ 15.763705] Bluetooth: RFCOMM socket layer initialized
[ 15.763709] Bluetooth: RFCOMM ver 1.11
[ 15.772693] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[ 15.772696] Bluetooth: BNEP filters: protocol multicast
[ 15.772703] Bluetooth: BNEP socket layer initialized
[ 17.378235] Bluetooth: Error in firmware loading err = -110,len = 448, size = 1496
[ 17.378242] Bluetooth: Loading sysconfig file failed
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References