Bug 716479

Summary:	mouse connection often broken
Product:	[Fedora] Fedora	Reporter:	Tomasz Torcz <tomek>
Component:	bluez	Assignee:	Bastien Nocera <bnocera>
Status:	CLOSED WONTFIX	QA Contact:	Fedora Extras Quality Assurance <extras-qa>
Severity:	unspecified	Docs Contact:
Priority:	unspecified
Version:	15	CC:	bnocera, dwmw2, laurentp, marcel
Target Milestone:	---
Target Release:	---
Hardware:	Unspecified
OS:	Unspecified
Whiteboard:
Fixed In Version:		Doc Type:	Bug Fix
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2012-08-07 15:21:28 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:

Description Tomasz Torcz 2011-06-24 15:29:57 UTC

Description of problem:
I'm using bluetooth mouse A4Tech BT 630. Or at least I'm trying to use, because after few seconds of idleness, bt connection between Linux and mouse is broken, and I have to re-establish it in bluez-appet.
I've tested this mouse with MS Windows and there is no problem there.

Mouse manual claims following sleep modes and way to wake up:
mode / delay (how long in idle) / way to wake up
slight sleep / 2 seconds / moving mouse
middle sleep / 4 seconds / moving mouse
deep sleep   / 5 minutes / clicking

In Linux, after mouse enter deep sleep, connection is broken and clicking won't help.

My bt dongle is connected via usb:
Bus 002 Device 007: ID 0a12:0001 Cambridge Silicon Radio, Ltd Bluetooth Dongle (HCI mode)



Version-Release number of selected component (if applicable):
bluez-4.87-6.fc15.i686
kernel-PAE-2.6.38.8-32.fc15.i686


How reproducible:
Always.

Steps to Reproduce:
1. Pair the mouse
2. Let mouse idle for few minutes
3. Attempt to wakeup mouse by clicking and moving cursor
  
Actual results:
BT connection to mouse is broken.

Expected results:
Mouse functioning.

Additional info:

Comment 1 Wawrzyniec Piotrzkowski 2012-02-13 23:50:14 UTC

Ti Tomek, 
as I got the same mouse, I could do a little investigation.
Curiously, I have this problem in (test) Windoze, even with A4tech "drivers" installed and loaded.

But let's return to Linux and my workaround.

for me, the solution is to make very little "program" in shell, that continuously (even if l2ping dies) issues:

l2ping -c 2 -d 120 'mouse_address'

I launch it from rc.local

Didn't tested battery life with this hack.

Comment 2 Fedora End Of Life 2012-08-07 15:21:32 UTC

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